horiba TW-100 Instruction Manual Download

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7 MAINTENANCE

136



Storing a removed conductivity sensor

Refill the attached protective cap with pure water, and attach it to the sensor.
For details, see the operating manual for the sensor.

Note

Do not dry the conductivity sensor

7.4.5

Replacing and storing the pH sensor (optional)

Remove the connector from the pH sensor.

Turn the pH sensor to the right, and pull it out.

Note

The pH sensor top is made of glass. Take care not to break it when handling.

pH cell

pH sensor

Brown projection

Sample water feed valve

must be closed.

Summary of Contents for TW-100

Page 1: ...Water Distribution Monitor TW 100 Instruction Manual CODE GZ0000080187H ...

Page 2: ...he following cases none of the warranties set forth herein shall be extended Any malfunction or damage attributable to improper operation Any malfunction attributable to repair or modification by any person not authorized by HORIBA Advanced Techno Co Ltd Any malfunction or damage attributable to the use in an environment not specified in this manual Any malfunction or damage attributable to violat...

Page 3: ...are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause h...

Page 4: ...d to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious injury This indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices Without safety alert indication of hazardous situation which if not avoided could result in pr...

Page 5: ...NG ELECTRIC SHOCK Opening the cover while powered on could result in electric shock Be sure to turn OFF power prior to opening the cover CAUTION pH sensor is made of glass Be careful not to break the glass on the top of the sensor CHEMICAL CAUTION Be careful not to drop color span calibration solution on your skin or drink it If color span calibration solution comes into contact with your skin or ...

Page 6: ...rosive gas Avoid using the TW 100 in a location close to equipment using strong electric power such as an electric furnace or near a radio or sound wave source Do not give a shock or large vibrations to the TW 100 To move the TW 100 to another location contact our service or sales office Avoid turning ON the power again immediately after turning it OFF Do not operate touch panel with wet finger or...

Page 7: ...is manual Note This interprets the necessary points for correct operation and notifies the important points for handling the product Reference This indicates the part where to refer for information Tip This indicates reference information ...

Page 8: ......

Page 9: ... 1 When stopping the device for a week or less 15 3 3 2 When stopping the device for a week or more 15 3 4 Maintenance Mode 15 3 5 Precautions for Measurements 16 4 CALIBRATION 17 4 1 Calibration Patterns and Cycles 17 4 2 Precautions for Calibration 21 4 3 Displaying the Calibration Screen 23 4 4 Calibrating pH 24 4 4 1 pH 6 86 calibration and pH 9 18 calibration pH 24 4 4 2 Adjustment calibratio...

Page 10: ... pressure 68 4 10 Calibrating Water Temperature 70 4 10 1 Adjustment calibration using sample water water temperature 70 5 FUNCTION 72 5 1 Function List 72 5 2 Input Output Settings 74 5 2 1 Setting EXT I O IN 75 5 2 2 Setting external output during operation 75 5 2 3 Setting the analog output level 77 5 2 4 Setting DISPLAYING MINUS 77 5 3 Automatic Zero Calibration 78 5 3 1 Setting ON OFF of ZERO...

Page 11: ...leting the data history 104 5 12 3 Displaying a graph 105 5 12 4 Calibration history check 107 5 12 5 Deleting the calibration history 107 5 12 6 Checking flow rate 108 5 12 7 Transferring data to a CF Compact Flash card 109 5 12 8 Initializing a CF Compact Flash card 109 5 13 Alarm 110 5 13 1 Checking an alarm 111 5 13 2 Canceling an alarm 111 5 13 3 Checking the alarm history 112 5 13 4 Deleting...

Page 12: ...f the residual chlorine sensor 133 7 4 4 Replacing and storing the conductivity sensor optional unit 135 7 4 5 Replacing and storing the pH sensor optional 136 7 5 Spare Parts 138 8 TROUBLESHOOTING 139 8 1 Alarm List 139 8 2 Alarm Causes and Corrective Actions 142 9 REFERENCE 153 9 1 Specifications 153 9 2 Piping Flow 156 9 3 Turbidity Measurement 157 9 4 Color Measurement 157 9 5 Residual Chlorin...

Page 13: ...ent items by requesting them when ordering the product Note You can not add the optional measurement items pH conductivity water temperature after delivery of the product Features Measurement data can be output through electrical analog outputs to a recorder or connected to a communication unit optional or output to a computer using the RS 232C serial connection You can save and read measurement d...

Page 14: ...let for input output terminal Alarm indicator red Lights or blinks when an alarm occurs Locking handle Calibration tank tray Condensation water outlet Wiring inlet for pressure sensor Pressure reduction valve R1 Pressure sensor PS1 Sample water feed valve SC1 CF Compact Flash card insertion slot Power switch Display Internal door Door locking screw Flowmeter ...

Page 15: ...1 OVERVIEW 3 Bottom side connectors Wiring inlet Air opening Condensation water outlet Drain Calibration inlet Abnormal sample inlet Sample inlet ...

Page 16: ...tivity Screen example Displaying the values of measured items This screen displays the values for each measured item No Contents Examples Screen title MEASUREMENT SPAN CAL DATA HISTORY Clock display 2004 01 30 09 57 Measurement item TURB COL CL Measurement value Unit FTU CU mg L etc Operation buttons MAINTE CAL etc System status WARM UP The device is warming up The device is always warmed up when ...

Page 17: ...story and Information confirmation display No Contents Examples Screen title DATA I O SETTING etc Screen page number 1 2 2 2 etc Menu item DATA HISTORY GRAPH etc Next page No Contents Examples Screen title ALARM HISTORY TEMPERATURE etc Contents heading ALARM etc Data list ...

Page 18: ... Conductivity sensor installation For measuring conductivity optional Beads insertion For cleaning the residual chlorine sensor Parts Status on Delivery Mesh filter Installation required Zero water filter Installation required Residual chlorine sensor Installed Conductivity sensor Installation required pH sensor Installation required pH sensor Conductivity sensor Optional Optional Insert beads Sam...

Page 19: ...ake sure that the sample water feed valve is closed and the power is OFF 3 Turn and remove the door locking screw and open the inner door 4 Attach the fixing bracket to the inside of the door to hold the door in place To close the door reverse the procedure Locking handle Door locking screw Fixing bracket Sample water feed valve must be closed ...

Page 20: ...llowing figure and turn the sensor to the left Note The pH sensor top is made of glass Take care not to break it when pushing the sensor in Be careful not to loose the protective cap liquid junction washer rubber cap and connector cap as they are used to store the sensor 4 Connect the pH sensor to the connector Reference 7 3 Connection Locations for the Sensor Connectors page 129 Protective cap Li...

Page 21: ...te Be careful not to lose the protective cap as it will be used to store the sensor 4 Install the conductivity sensor to the electric conductivity sensor s installation position in the residual chlorine conductivity cell 5 Connect the sensor connector 6 Attach the cover and tighten the screws Screw Cover Conductivity sensor connector Enlarged Conductivity sensor Installation position Sample water ...

Page 22: ...ual chlorine conductivity cell Note All beads in the case is necessary to be installed in residual chlorine cell Number of beads may affect polishing the electrode and sensitivity 6 Insert the residual chlorine sensor into the residual chlorine conductivity cell and tighten the retaining screw to prevent it from moving 7 Connect the sensor connector 8 Attach the cover and tighten the screws Screw ...

Page 23: ...allation Manual 2 Open the sample water feed valve A sample water will start to flow into the unit 3 Adjust the flow rate to 80 mL min using the flowmeter valve 4 Open the inner door and make sure that there is no leaking Sample water feed valve Open Valve Flow rate reading position top surface of the float Mark showing the 80 mL min position ...

Page 24: ...t the clock Reference 5 6 Clock Adjustment page 88 7 Change the settings as needed Reference 5 FUNCTION page 72 8 Calibrate the values Note When starting the device or after replacing a sensor operate the device for at least two hours using sample water until the sensor becomes stable then perform calibration Reference 4 CALIBRATION page 17 When the start up procedure is complete measurement begin...

Page 25: ...3 OPERATION 13 3 2 Stopping the Device 3 2 1 When stopping the device for a week or less 1 Turn off the power 2 Close the sample water feed valve Sample water feed valve must be closed ...

Page 26: ...arge properly run sample water again and repeat the procedure from step 1 6 Remove the residual chlorine sensor and the sample water and beads inside the cell using the provided syringe and then install the residual chlorine sensor again Reference 7 4 3 Maintenance of the residual chlorine sensor page 133 7 Remove the pH and conductivity sensors both optional and cover the cell with a cloth to kee...

Page 27: ...H Sensor optional page 8 2 3 Installing the Conductivity Sensor optional page 9 3 Follow the procedure in 3 1 Starting the Device page 11 3 4 Maintenance Mode When it is necessary to perform maintenance you can hold outputs by switching to maintenance mode To enter maintenance mode press MAINTENACE or CAL on the MEASUREMENT screen and go to the MAINTENANCE or CALIBRATION screen The screen returns ...

Page 28: ...r Contact a service representative Run sample water and wait until the measured values become stable The measured values may be unstable for a while after sensor installation The measured values may be unstable for a few hours after running color calibration solution chloroplatinic acid through the device Adjust the flow rate of sample water to 80 mL min The sample water flow rate affects measurem...

Page 29: ...l chlorine Automatic zero calibration page 78 Turbidity Common zero calibration and span calibration page 61 Individual zero calibration and span calibration page 45 Adjustment calibration using sample water Zero Calibration page 59 Color Common zero calibration and span calibration page 30 Individual zero calibration and span calibration page 35 Adjustment calibration using sample water Zero Cali...

Page 30: ... abnormality occurs check that the calibration value is close to the manually analyzed value Adjustment calibration of pH using sample water is recommended every month Calibration pattern Calibration cycles Procedure reference Measurement item System startup Daily Every 3 months Abnormality occurrence pH pH 6 86 calibration and pH 9 18 calibration page 24 Adjustment calibration using sample water ...

Page 31: ...al chlorine Filtering sample water using the filter inside the device generates zero calibration solution Button operation for starting calibration switches the sample water flow from the normal measurement line to the filter line and starts calibration The calibration solution tank is unused as well as common zero calibration You are required to set the first calibration date and time and interva...

Page 32: ...f electric current 20 000 50 000 100 000 Light absorption Conversion coefficient of turbidity Color 2 000 0 000 2 000 Light absorption calculated by value of electric current 30 000 58 000 100 000 Light absorption Conversion coefficient of color Residual chlorine 800 000 0 000 800 000 nA 0 300 1 000 5 000 Sensitivity Water pressure 0 200 0 000 0 200 MPa 0 800 1 000 1 200 Sensitivity pH 89 000 0 00...

Page 33: ...en running calibration solution at calibration starting from when running sample water after calibration Flow rate adjustment is required for each time In calibration using the calibration tank if there are air bubbles in the pipe causing poor flow of calibration solution fully open the valve and raise the calibration tank to smooth the flow After confirming that the flow is stable make sure to ad...

Page 34: ...lution to that of the sample water Perform span calibration close to the upper limit of the measurement range Use span calibration solution whose value stays within the range When starting the system or after replacing the sensors test run the device for more than two hours before starting calibration ...

Page 35: ...ALIBRATION screen is displayed displaying the calibration menu 2 Press the button of the item that you want to calibrate The calibration screen for the selected item is displayed 3 Perform calibration by following the calibration procedure CAL Measurement item TURB Example when the selected item is TURB ...

Page 36: ... tanks pH 9 18 standard solution 1 L Pour the solution into the other calibration tank Used fluid tank Install it so that used fluid flows into the tank pH 6 86 calibration Calibrate in the order of pH 6 86 calibration pH 9 18 calibration pH 6 86 calibration 1 Place the calibration tank with pH 6 86 standard solution beside the device 2 Connect the tank to the calibration inlet of the device 3 Ope...

Page 37: ...aiting for automatic completion STOP Stops the calibration The screen shows that the calibration is complete 7 Press YES The pH calibration coefficient is updated 8 Close the valve of the calibration tank 9 Disconnect the calibration tank from the calibration inlet of the device Note Make sure if the measured value of sample water is stable after pH 6 86 calibration completed Then start pH 9 18 ca...

Page 38: ... is in progress 6 Adjust the flow rate to 50 mL min using the valve Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration The screen shows that the calibration is complete 7 Press YES The pH span calibration coefficient is updated 8 Close the valve of the calibration tank 9 Open t...

Page 39: ...on x xx on the pH CAL screen The sample water calibration value input screen is displayed 4 Enter the measured value of the sample water using the numerical key pad and press SET Input range 2 00 to 12 00 Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the pH CAL screen 5 Press SAMPLE A confirmation screen is displayed asking whether to start c...

Page 40: ... start sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 7 Press YES The pH zero calibration coefficient is updated ...

Page 41: ...he gauge line Store the liquid in a colored bottle Note If using platinum instead of kalium hexachloro platinate IV stipulated in JIS K8163 dissolve 1 00 g of platinum in an appropriate amount of aqua regalis hydrochloric acid 3 nitric acid 1 add an excess amount of hydrochloric acid and then evaporate off the liquid by boiling After removing the nitric acid by repeating this procedure two to thre...

Page 42: ...es into the tank Prepare span calibration solution according to the measurement range 0 CU to 10 CU or 0 CU to 20 CU Tip Select 0 CU to 10 CU or 0 CU to 20 CU for the measuring range See 5 9 2 Setting the range for turbidity and color page 94 Calibration procedure Perform calibration in the order common zero calibration span calibration MEASUREMENT screen CALIBRATION screen COL CAL screen See 4 3 ...

Page 43: ... to readjust the flow rate 1 Press COMMON on the CALIBRATION screen A confirmation screen is displayed asking whether to start calibration 2 Press YES to start common calibration The COMMON ZERO CAL screen is displayed Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration The RESU...

Page 44: ...dual chlorine sensor page 133 3 Attach the rubber plug to the residual chlorine conductivity cell 4 Close the inner door of the device and turn ON the power Calibration operation 1 Place the calibration tank with span calibration solution beside the device 2 Connect the tank to the calibration inlet of the device 3 Confirm that WARM UP is not displayed If displayed wait until it disappears Calibra...

Page 45: ...ad and press SET Input range 0 0 CU to 20 0 CU Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the COL CAL screen 6 Open the valve of the calibration tank 7 Press SPAN A confirmation screen is displayed asking whether to start calibration 8 Press YES to start span calibration The screen shows that the calibration is in progress xx x ...

Page 46: ... equipment such as gloves to avoid direct contact with the solution Installing the residual chlorine sensor 1 Stop the device close the sample water feed valve discharge water and turn OFF the power Reference Stopping operation page 128 2 Remove the rubber plug 3 Install the residual chlorine sensor Reference Replacing beads page 134 4 Open the sample water feed valve 5 Adjust the flow rate of the...

Page 47: ...bration procedure Perform calibration in the order individual zero calibration span calibration Individual zero calibration 1 Place the calibration tank with zero liquid beside the device 2 Connect the tank to the calibration inlet of the device 3 Press the ZERO VALUE button x x on the COL CAL screen The zero calibration value input screen is displayed MEASUREMENT screen CALIBRATION screen COL CAL...

Page 48: ...displayed asking whether to start calibration 7 Press YES to start zero calibration The screen shows that the calibration is in progress 8 Adjust the flow rate to 50 mL min using the flowmeter valve Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration Mark showing the 80 mL min p...

Page 49: ... 9 Press YES The color zero calibration coefficient is updated 10 Close the valve of the calibration tank 11 Disconnect the calibration tank from the calibration inlet of the device Span calibration color Follow the instructions given in Span calibration color page 32 ...

Page 50: ...utton x x on the COL CAL screen The sample water calibration value input screen is displayed 4 Enter the measured value of the sample water using the numerical key pad and press SET Input range 0 0 CU to 20 0 CU Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the COL CAL screen 5 Press SAMPLE A confirmation screen is displayed asking whether to...

Page 51: ...tart sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 7 Press YES The color zero calibration coefficient is updated ...

Page 52: ...the measured value Let the solution sit for 24 hours before using so that calibration is stable Formazine C2H4N2 4 FTU Quoted form ISO 7027 Formazine is not available commercially therefore it shall be prepared as follows 1 Dissolve 10 0 g of hexamethylenetetramine C2H12N4 in water and dilute to 100 mL Solution A 2 Dissolve 1 0 g of hydrazine sulfate N2H6SO4 in water and dilute to 100 mL Solution ...

Page 53: ...bidity span calibration solution tends to settle Shake thoroughly before using Prepare span calibration solution according to the measurement range 0 FTU to 2 FTU or 0 FTU to 4 FTU Reference 5 9 2 Setting the range for turbidity and color page 94 Calibration procedure Perform calibration in the order common zero calibration span calibration MEASUREMENT screen CALIBRATION screen TURB CAL screen See...

Page 54: ... to readjust the flow rate 1 Press COMMON on the CALIBRATION screen A confirmation screen is displayed asking whether to start calibration 2 Press YES to start common calibration The COMMON ZERO CAL screen is displayed Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration The RESU...

Page 55: ...e TURB CAL screen The span calibration value input screen is displayed 4 Enter the span calibration value using the numerical key pad and press SET Input range 0 00 FTU to 4 00 FTU Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the TURB CAL screen 5 Open the valve of the calibration tank Calibration solution tank Connect Sample water feed valv...

Page 56: ...waiting for automatic completion STOP Stops the calibration The screen shows that the calibration is complete 9 Press YES The turbidity span calibration coefficient is updated 10 Close the valve of the calibration tank 11 Open the sample water feed valve 12 Adjust the flow rate of the sample water to 80 mL min using the valve 13 Disconnect the calibration tank from the calibration inlet of the dev...

Page 57: ...ration procedure Perform calibration in the order individual zero calibration span calibration Individual zero calibration 1 Place the calibration tank with zero liquid beside the device 2 Connect the tank to the calibration inlet of the device 3 Press the ZERO VALUE button x xx on the TURB CAL screen The zero calibration value input screen is displayed MEASUREMENT screen CALIBRATION screen TURB C...

Page 58: ...s displayed asking whether to start calibration 7 Press YES to start zero calibration The screen shows that the calibration is in progress 8 Adjust the flow rate to 50 mL min using the flowmeter valve Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration Mark showing the 80 mL min...

Page 59: ...ss YES The turbidity zero calibration coefficient is updated 10 Close the valve of the calibration tank 11 Disconnect the calibration tank from the calibration inlet of the device Span calibration turbidity Follow the instructions given in Span calibration turbidity page 43 ...

Page 60: ... The sample water calibration value input screen is displayed 3 Enter the measured value of the sample water using the numerical key pad and press SET Input range 0 00 FTU to 4 00 FTU Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the TURB CAL screen 4 Press SAMPLE A confirmation screen is displayed asking whether to start calibration MEASUREM...

Page 61: ...rt sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 6 Press YES The turbidity zero calibration coefficient is updated ...

Page 62: ...ivity measurement use stipulated in JIS K8121 in an agate mortar to make it into a powder heat it up to 500 C for approximately four hours and then leave it in a desiccator to cool 2 14 7 mS m 25 C potassium chloride standard solution preparation Measure and put 0 744 g of potassium chloride into a 1000 mL flask and fill it with purified water up to the gauge line Put 100 mL of this solution into ...

Page 63: ...re 1 Place the calibration tank with span calibration solution beside the device 2 Connect the tank to the calibration inlet of the device 3 Press the SPAN VALUE button xx x on the COND CAL screen The span calibration value input screen is displayed MEASUREMENT screen CALIBRATION screen COND CAL screen See 4 3 Displaying the Calibration Screen page 23 CAL COND Calibration solution tank Connect Sam...

Page 64: ...een is displayed asking whether to start calibration 7 Press YES to start span calibration The screen shows that the calibration is in progress 8 Adjust the flow rate to 50 mL min using the valve Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration Mark showing the 80 mL min posi...

Page 65: ...e conductivity span calibration coefficient is updated 10 Close the valve of the calibration tank 11 Open the sample water feed valve 12 Adjust the flow rate of the sample water to 80 mL min using the valve 13 Disconnect the calibration tank from the calibration inlet of the device ...

Page 66: ...e the sample water feed valve 2 Start the water discharge action operation Reference See 5 10 Action page 97 3 Turn off the power 4 Open the inner door of the device Reference See 2 1 Opening the Inner Door of the Device page 7 MEASUREMENT screen CALIBRATION screen COND CAL screen See 4 3 Displaying the Calibration Screen page 23 CAL COND Sample water feed valve must be closed ...

Page 67: ...r using paper such as filter paper Note Be careful not to scratch the sensor 7 Turn ON the power 8 Press the ZERO VALUE button x x on the TURB CAL screen The zero calibration value input screen is displayed Conductivity sensor Enlarged view Sample water feed valve must be closed Electric conductivity sensor connector Installation location x x ...

Page 68: ...hether to start calibration 11 Press YES to start zero calibration The screen shows that the calibration is in progress 12 When the value becomes stable press FIX A confirmation screen is displayed 13 Press YES The conductivity zero calibration coefficient is updated 14 Turn off the power 15 Install the conductivity sensor to the residual chlorine conductivity cell 16 Close the inner door of the d...

Page 69: ...CAL screen The sample water calibration value input screen is displayed 3 Enter the measured value of the sample water using the numerical key pad and press SET Input range 0 0 mS m to 50 0 mS m Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the COND CAL screen 4 Press SAMPLE A confirmation screen is displayed asking whether to start calibrati...

Page 70: ...t sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 6 Press YES The conductivity span calibration coefficient is updated ...

Page 71: ...c zero calibration settings 4 8 1 Adjustment calibration using sample water residual chlorine Preparation Residual chlorine meter 1 Calibration procedure 1 Measure residual chlorine of the prepared sample water using a residual chlorine meter other than this device s and calculate the value 2 Press the SAMPLE VALUE button x xx on the CL CAL screen The sample water calibration value input screen is...

Page 72: ...to start calibration 5 Press YES to start sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 6 Press YES The residual chlorine span calibration coefficient is updated ...

Page 73: ...gauge line Use this solution to determine the residual chlorine value according to the procedure in JIS K0101 Note The amount of sodium hypochlorite mentioned above is an approximate amount Sodium hypochlorite concentration varies depending on reagent manufacturers and storing conditions Adjust the loadings so that the residual chlorine concentration is within 2 mg L Adjust the loadings of potassi...

Page 74: ... to readjust the flow rate 1 Press COMMON on the CALIBRATION screen A confirmation screen is displayed asking whether to start calibration 2 Press YES to start common calibration The COMMON ZERO CAL screen is displayed Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibration The RESU...

Page 75: ...evice 3 Press the SPAN VALUE button x xx on the CL CAL screen The span calibration value input screen is displayed 4 Enter the span calibration value using the numerical key pad and press SET Input range 0 00 mg L to 2 00 mg L Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the CL CAL screen 5 Open the valve of the calibration tank Calibration ...

Page 76: ...ion and updates it without waiting for automatic completion STOP Stops the calibration The screen shows that the calibration is complete 9 Press YES The residual chlorine span calibration coefficient is updated 10 Close the valve of the calibration tank 11 Open the sample water feed valve 12 Adjust the flow rate of the sample water to 80 mL min using the valve 13 Disconnect the calibration tank fr...

Page 77: ...ndividual zero calibration span calibration Individual zero calibration 1 Place the calibration solution tank with zero liquid more than 170 cm above from the drain pipe outlet instead of placing it on the calibration tank tray beside the device 2 Connect the tank to the calibration inlet of the device 3 Press the ZERO VALUE button x xx on the CL CAL screen The zero calibration value input screen ...

Page 78: ...s ZERO A confirmation screen is displayed asking whether to start calibration 7 Press YES to start zero calibration The screen shows that the calibration is in progress 8 Adjust the flow rate to 80 mL min using the flowmeter valve Wait until the calibration is completed 10 minutes Tip FIX Forcibly stops the calibration and updates it without waiting for automatic completion STOP Stops the calibrat...

Page 79: ...esidual chlorine zero calibration coefficient is updated 10 Close the valve of the calibration tank 11 Disconnect the calibration tank from the calibration inlet of the device Span calibration residual chlorine Follow the instructions given in Span calibration residual chlorine page 63 ...

Page 80: ... water using a water pressure meter other than this device s and calculate the value 2 Press the SAMPLE VALUE button x xxx on the PRES CAL screen The sample water calibration value input screen is displayed 3 Enter the manually analyzed value of the sample water using the numerical key pad and press SET Input range 0 000 MPa to 1 000 MPa Tip CLEAR Clears the whole value BACK Deletes the rightmost ...

Page 81: ... sample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 6 Press YES The water pressure zero calibration coefficient is updated ...

Page 82: ...temperature of the sample water using a thermometer other than this device s and calculate the value 2 Press the SAMPLE VALUE button xx x on the TEMP CAL screen The sample water calibration value input screen is displayed 3 Enter the measured temperature of the sample water using the numerical key pad and press SET Input range 0 0 C to 50 0 C Tip CLEAR Clears the whole value BACK Deletes the right...

Page 83: ...ample water calibration The screen shows that the calibration is in progress Wait until the calibration is completed The screen shows that the calibration is complete 6 Press YES The water temperature zero calibration coefficient is updated ...

Page 84: ...Washing page 82 Sampling Keeps some of sample water when a malfunction occurs while measuring 5 5 Water Sampling page 85 SETTING 2 2 Clock Adjustment Adjust the clock 5 6 Clock Adjustment page 88 LCD Configure LCD display settings 5 7 LCD Setting page 89 Touch Panel Adjustment Calibrates the location of the touch panel 5 8 Touch Panel Adjustment page 91 Maker Maintenance Mode This setting is used ...

Page 85: ...n the MAINTENANCE screen The MAINTENANCE item screen is displayed MAINTENANCE screen operation button Screen name SETTING SETTING screen MEAS SETTING CALIBRATION screen ACTION ACTION screen CHECK CHECK screen MEASUREMENT screen MAINTE SETTING SETTING 1 2 screen SETTING 2 2 screen MAINTENANCE screen MEAS SETTING CALIBRATION screen ACTION ACTION 1 2 screen ACTION 2 2 screen CHECK CHECK screen ...

Page 86: ... 2 WARMING UP 5 2 2 page 75 Select what kind of value to output when turning ON the power and warming up Preset 4 0 mA ANALOG OUTPUT LEVEL 5 2 3 page 77 Selects the range of the analog output value 4 mA to 20 mA ALARM TIM 5 13 5 page 113 See 5 13 Alarm page 110 5 minutes DISPLAYING MINUS 5 2 4 page 77 You can select to output the value with subtraction sign or to display a blinking 0 when a measur...

Page 87: ...SETTING 1 2 screen ALG OUT MAINTE ALG OUT SEQ ALG OUT ALARM WARMING UP The corresponding screen for each item is displayed This example shows the screen for maintenance mode output See The I O SETTING screen page 74 I O MAINTE SETTING I O SETTING screen MEAS screen MAINTENANCE screen SETTING1 2 screen EXT I O IN I O OFF SERIAL Item Explanation OFF Button operation only No external input Contact Ac...

Page 88: ...ng the numerical key pad and press SET Input range 0 0 mA to 21 0 mA Item Explanation Initial Setting HOLD Hold and output the last measured value If there is no last measured value when turning ON the power the last value measured before turning OFF the power is held DIRECT Outputs the actual measured value PRESET Output a set value The log data will contain the value that is equivalent to the se...

Page 89: ...s displayed 2 Select the ON or OFF button and press SET Returns to the I O SETTING screen Tip When changing the setting while the measurement value is being held the new setting is available after the HOLD is released See The I O SETTING screen page 74 I O MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING I O SETTING 2 2 screen I O SETTING 1 2 screen MAINTE 0 16mA 4 20mA ANALOG OUTPUT LEVEL...

Page 90: ...SETTING 1 2 screen The CALIBRATION SETTING 2 2 screen is displayed Setting Explanation Initial Setting Setting ON OFF of ZERO CAL 5 3 1 page 79 Specifies whether ZERO CAL is activated or not ON Setting the calibration interval 5 3 2 page 79 Sets the calibration interval 24 hours Setting the STANDARD TIME 5 3 3 page 80 Sets the time to perform zero calibration Performs zero calibration periodically...

Page 91: ...displayed 2 Enter the zero calibration interval value using the numerical key pad and press SET Input range 1 to 9999 hours Tip CLEAR Clears the entire value BACK Deletes the right most number of the value The screen returns to the CALIBRATION SETTING screen See Displaying CALIBRATION SETTING screen page 78 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE CALIBRATION CAL SETTING 1 2...

Page 92: ... ZERO CAL DRAIN 1 Press the ZERO CAL DRAIN button on the CALIBRATION SETTING1 2 screen The ZERO CAL DRAIN SETTING screen is displayed 2 Select ON or OFF and press SET The screen returns to the CALIBRATION SETTING1 2 screen See Displaying CALIBRATION SETTING screen page 78 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE CALIBRATION CAL SETTING 1 2 screen STANDARD TIME Year Month day...

Page 93: ...alue using the numerical key pad and press SET Input range 20 to 99 min Tip CLEAR Clears the entire value BACK Deletes the right most number of the value The screen returns to the CALIBRATION SETTING screen See Displaying CALIBRATION SETTING screen page 78 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE CALIBRATION CAL SETTING 1 2 screen CAL SETTING 2 2 screen ZERO CAL TIME xxmin ...

Page 94: ...SHING SETTING screen 1 Press WASHING on the SETTING 1 2 screen The AUTO WASHING SETTING screen is displayed Setting Explanation Initial Setting ON OFF auto washing 5 4 1 page 83 Turns auto washing ON or OFF ON WASHING INTERVAL 5 4 2 page 83 Set the interval to perform auto washing 60 minutes STANDARD TIME 5 4 3 page 84 Set the time to start auto washing Starts the first auto washing at the set tim...

Page 95: ...d 2 Enter the value of the AUTO WASHING interval using the numerical key pad and press SET Input range 5 to 9999 min Tip CLEAR Clears the whole value BACK Deletes the right most number of the value Returns to the AUTO WASHING SETTING screen See Displaying the AUTO WASHING SETTING screen page 82 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE AUTO WASHING SETTING AUTO WASHING SETTIN...

Page 96: ...ING TIME screen is displayed 2 Enter the value of the wiping time using the numerical key pad and press SET Input range 1 to 9 times Tip CLEAR Clears the whole value BACK Deletes the right most number of the value Returns to the AUTO WASHING SETTING screen See Displaying the AUTO WASHING SETTING screen page 82 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE AUTO WASHING SETTING AUT...

Page 97: ...ions are available for this feature Displaying the SAMPLING SETTING screen 1 Press SAMPLING on the SETTING 1 2 screen The SAMPLING screen is displayed The example of connection of the container to obtain a water sampling Setting Explanation Initial Setting Setting the SAMPLING CHECK 5 5 1 page 86 Set the timing to obtain the sampling OFF Setting the SAMPLING TIME 5 5 2 page 86 Set the time to obta...

Page 98: ...container that is large enough to hold sample water Tip CLEAR Clears the whole value BACK Deletes the right most number of the value Returns to the SAMPLING SETTING screen See Displaying the SAMPLING SETTING screen page 85 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE SAMPLING SETTING SAMPLING SETTING SAMPLING CHECK OFF ALARM ON EXT I O IN Setting Explanation OFF Sample water is ...

Page 99: ...g whether or not you want to reset the sampling time is displayed 2 Press YES Returns to the SAMPLING SETTING screen The lock is released and sample water will be obtained again See Displaying the SAMPLING SETTING screen page 85 MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING MAINTE SAMPLING SETTING SAMPLING SETTING RESET ...

Page 100: ...USTMENT screen is displayed 2 Press the button that you want to change and set the value with and Input the time then press SET Returns to the SETTING screen MAINTE MEAS screen MAINTENANCE screen SETTING 1 2 screen SETTING 2 2 screen SETTING See Displaying the maintenance item screen CLOCK ADJUSTMENT ...

Page 101: ...ect the items with the button and press SET Returns to the LCD screen Setting Description Initial Setting BACK LIGHT TIME page 89 Adjusts the amount of time before the backlight of the LCD the display is dimmed when there is no operation 10 min Brightness page 90 Controls the brightness of the LCD the display MAINTE MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING2 2 screen SETTING See Dis...

Page 102: ...ightness 1 Control the brightness using and on the LCD SETTING screen MAINTE MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING2 2 screen SETTING See Displaying the LCD SETTING screen page 89 LCD SETTING button LCD SETTING screen ...

Page 103: ...cted manner 1 Press TOUCH PANEL ADJUSTMENT on the SETTING 2 2 screen The TOUCH PANEL ADJUSTMENT screen is displayed 2 Press the locations indicated by the arrow Returns to the SETTING screen when the adjustment ends MAINTE MEAS screen MAINTENANCE screen SETTING1 2 screen SETTING2 2 screen SETTING See Displaying the maintenance item screen TOUCH PANEL ADJUSTMENT ...

Page 104: ...M 5 13 8 page 116 UNIT LOW ALARM 5 13 9 page 117 COEFFICIENTS 5 9 1 page 93 Even after calibration measured values can deviate from their actual values for a variety of reasons so the coefficients can help correct these values a 0 b 1 000 Turbidity RANGE 5 9 2 page 94 Sets the measurement range 0 4 Color RANGE 5 9 2 page 94 Sets the measurement range 0 20 TURB COEFFICIENTS 5 9 3 page 95 You can co...

Page 105: ... 3 Enter the a value using the numerical key pad and press SET Tip CLEAR Clears the whole value BACK Deletes the right most number of the value MAINTE MEAS screen MAINTENANCE screen See Displaying the setting screens for each measurement item page 92 Measurement item MEAS SETTING MEAS SETTING screen Measurement item MEAS SETTING screen COEFFICIENT a x xx b x xxx Measurement item Input range Turbid...

Page 106: ...TTING screen for the appropriate measurement item 5 9 2 Setting the range for turbidity and color 1 Press the RANGE button on the TURB MEAS SETTING 1 2 screen The TURB RANGE screen is displayed 2 Select the button with the desired range and press SET Returns to the TURB MEAS SETTING screen Set the range for color the same way as for turbidity Measurement item Input range All measurement items 0 10...

Page 107: ...lor turbidity coefficient page 157 1 Press the TURB COEFFICIENTS button on the COL MEAS SETTING 1 2 screen The COL TURB COEFFICIENTS screen is displayed 2 Enter the COEFFICIENTS value using the numerical key pad and press SET Input range 0 000 to 9 999 Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value Returns to the COL MEAS SETTING screen MAINTE MEAS screen MAINTENAN...

Page 108: ...ng residual chlorine sensor 3440 02C Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The display returns to the CL MEAS SETTING screen MAINTE MEAS screen MAINTENANCE screen See Displaying the setting screens for each measurement item page 92 MEAS SETTING MEAS SETTING screen Residual chlorine CL MEAS SETTING screen APPLIED VOLTAGE xxx x mV Working electrode Applied v...

Page 109: ...when the alarm for abnormal concentration is activated when measuring sample water MEAS ZERO Measures the zero calibration solution that filtered sample water and checks the measured value of each sensor MEAS SPAN Measures the span calibration solution in the calibration solution tank and checks the measured value of each sensor You need to connect the calibration solution tank to the calibration ...

Page 110: ...s the ACTION item to operate on the ACTION screen A operation confirmation screen is displayed 2 Press YES The operation starts and the operation screen is displayed Tip STOP Stops the operation When the operation is completed the completion window is displayed MAINTE MEAS screen MAINTENANCE screen See Displaying the maintenance item screen page 73 ACTION ACTION screen All six items AUTO WASHING S...

Page 111: ...99 Check the value of each compensation temperature sensor UNIT INFORMATION 5 11 2 page 99 Check the model and ID of the device The ID number is used when communicating over a serial connection or in the folder name of data transferred to the CF Compact Flash card Setting ID 5 11 3 page 100 Sets the ID to identify each device Analog input check 5 11 4 page 101 Check the value of analog input from ...

Page 112: ...The model number and ID information are displayed 2 Press ID The ID SETTING screen is displayed 3 Enter the ID number using the numerical key pad and press SET Input range 0 to 99999999 Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value Returns to the UNIT INFORMATION screen UNIT INFORMATION ...

Page 113: ...ANALOG OUTPUT on the CHECK screen The ANALOG OUTPUT screen is displayed 2 Press the button of the item to output x xxmA and change the values with or then press OUTPUT Output value 0 00 4 00 8 00 12 00 16 00 20 00 mA 3 Check the output with an ammeter Reference 6 1 Analog Output page 118 MAINTE MEAS screen MAINTENANCE screen See Displaying the maintenance item screen page 73 CHECK CHECK screen ANA...

Page 114: ...rement values can be checked graphically Calibration history check 5 12 4 page 107 A maximum of 20 records can be checked according to the measurement item or zero span Delete calibration history 5 12 5 page 107 Deletes the calibration history Check alarm history 5 13 3 page 112 The maximum 511 alarms can be confirmed Delete alarm history 5 13 4 page 112 Deletes the alarm history Flow rate check 5...

Page 115: ...ns overlap mark 1 has the highest priority 2 the next highest and so on Tip Delete Deletes the data history Changes the previous or next set of data CHANGE Change the DATA HISTORY screen between MIN HOUR JUMP Displays the data at the specified time Displaying the data at a specific time 1 Press JUMP The DATA TIME MIN HOUR screen is displayed 2 Select the button that you want to change and select t...

Page 116: ...reen to delete the data is displayed 3 Press YES Returns to the DATA HISTORY screen Tip When deleting the data on the DATA HISTORY MIN screen Deletes all data history of MIN value When deleting the data on the DATA HISTORY HOUR screen Deletes all data history of HOUR value See Displaying Data for an Item page 102 DATA MEASUREMENT screen DATA screen DATA HISTORY ...

Page 117: ...ange of the vertical and horizontal axes of the graph Changing the measurement items to display 1 Press the measurement item TURB The SELECT COMP screen is displayed 2 Press the measurement item button The measurement item is changed Changing the START TIME SETTING of the graph 1 Press START TIME date and time The START TIME SETTING MIN HOUR screens are displayed 2 Select the button that you want ...

Page 118: ... The GRAPH SETTING screen is displayed 2 Select the range in VERTICAL HIGH VERTICAL LOW or HORIZONTAL and press SET VERTICAL HIGH VERTICAL LOW The value is the percentage of the range of measured values to display HORIZONTAL 4 hours and 1 day display MIN data 10 days and 30 days display the HOUR data ...

Page 119: ...splays the next previous page Delete Deletes the calibration history Reference To change the measurement item to display see Changing the measurement items to display page 105 5 12 5 Deleting the calibration history 1 Press DELETE on the CAL HISTORY screen A confirmation screen to delete the calibration history is displayed 2 Press YES The screen returns to the CAL HISTORY screen Note Leaves only ...

Page 120: ...low rate setting 1 Press FLOW The FLOW RATE SETTING screen is displayed 2 Enter the new flow rate value using the numerical key pad and press SET Input range 0 mL min to 200 mL min Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the maintenance information screen See Displaying Data for an Item page 102 DATA MEASUREMENT screen DATA screen CHECK...

Page 121: ...ize a CF Compact Flash card is displayed 2 Check that the CF Compact Flash card is inserted and press YES The screen returns to the DATA screen when initialization is complete Note Make sure to use the CF Compact Flash card supplied with your device Using another CF Compact Flash card may cause damage to your device Initialize the CF Compact Flash card using the device The file system of this devi...

Page 122: ...ation operation a counter is reset HIGH ALARM 5 13 6 page 114 When exceeding the specified measurement value for each measurement item an alarm indicating an abnormal sample water is activated Alarm No 10 20 30 40 50 60 70 LOW ALARM 5 13 7 page 115 When falling short of the specified measurement value for each measurement item an alarm indicating an abnormal sample water is activated Alarm No 11 2...

Page 123: ...s displayed The ALARM VALUE is displayed Tip RESET Resets the active alarm 5 13 2 Canceling an alarm 1 Press ALARM on the MEASUREMENT main screen The ALARM screen are displayed 2 Press RESET A confirmation screen to cancel alarm is displayed 3 Press YES The screen returns to the ALARM screen ALARM ALARM ...

Page 124: ...DELETE Deletes the alarm history 5 13 4 Deleting the alarm history 1 Press ALARM HISTORY on the DATA 1 2 screen The ALARM 1 1 screen is displayed 2 Press DELETE A confirmation screen to delete the alarm history is displayed 3 Press YES The screen returns to the ALARM HISTORY screen See Displaying Data for an Item page 102 DATA MEASUREMENT screen DATA screen ALARM HISTORY See Displaying Data for an...

Page 125: ...and press SET Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value Returns to the I O SETTING screen See The I O SETTING screen page 74 I O MAINTE SETTING I O SETTING screen MEAS screen MAINTENANCEscreen SETTING1 2 screen ALARM TIME xx min Input range Default value Remarks 0 to 99 min 5 min When setting 0 the minimum evaluation time of about 10 seconds is performed ...

Page 126: ...ress SET Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the MEAS SETTING screen for each measurement item See Displaying the setting screens for each measurement item page 92 MEAS screen MAINTENANCEscreen I O MAINTE SETTING MEAS SETTINGscreen Measurement item MEAS SETTING screen HIGH ALARM x xx FTU Measurement item Input range same for each se...

Page 127: ...lue BACK Deletes the rightmost number of the value The screen returns to the MEAS SETTING screen for each measurement item See Displaying the setting screens for each measurement item page 92 MEAS screen MAINTENANCEscreen I O MAINTE SETTING MEAS SETTINGscreen Measurement item MEAS SETTING screen LOW ALARM x xx FTU Measurement item Input range same for each setting value Default value Turbidity 1 0...

Page 128: ...ess SET Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the MEAS SETTING screen for each measurement item See Displaying the setting screens for each measurement item page 92 MEAS screen MAINTENANCEscreen I O MAINTE SETTING MEAS SETTINGscreen Measurement item MEAS SETTING screen UNIT HIGH ALARM x xx FTU Measurement item Input range same for eac...

Page 129: ...ess SET Tip CLEAR Clears the whole value BACK Deletes the rightmost number of the value The screen returns to the MEAS SETTING screen for each measurement item See Displaying the setting screens for each measurement item page 92 MEAS screen MAINTENANCEscreen I O MAINTE SETTING MEAS SETTINGscreen Measurement item MEAS SETTING screen UNIT LOW ALARM x xx FTU Measurement item Input range same for each...

Page 130: ...TU 0 FTU to 4 FTU 0 00 FTU 4 00 FTU Color 0 CU to 10 CU 0 0 CU 10 0 CU 0 CU to 20 CU 0 0 CU 20 0 CU Residual chlorine 0 mg L to 2 mg L 0 00 mg L 2 00 mg L Water pressure 0 MPa to 1 MPa 0 000 MPa 1 000 MPa pH optional pH 2 to pH 12 pH 2 00 pH 12 00 Conductivity optional 0 mS m to 50 mS m 0 0 mS m 50 0 mS m Water temperature optional 0 C to 50 C 0 0 C 50 0 C Measurement item Range 0 mA output 16 mA ...

Page 131: ...alog current output is as follows Note Since pH conductivity and water temperature are optional only measurements for installed components are output Signal classification Input output circuit Specifications Analog Signal Output 4 mA to 20 mA DC Current signal output Galvanically separated COM common Load resistance Max 600 ...

Page 132: ...l No Description Output timing Power failure 1 2 Notifies of a power failure Signal ON when power is cut closed circuit Signal OFF when canceling the power failure open circuit Maintenance 3 4 Notifies that the device is in maintenance maintenance mode or calibration mode Signal ON when in maintenance mode or calibration mode closed circuit Signal OFF when not in maintenance mode or calibration mo...

Page 133: ...nds may not be registered by the device Make sure that an ON signal is sent for at least 3 seconds to guarantee proper operation Item Terminal No Description Input timing Start cleaning 9 13 Starts cleaning Starts operating 3 to 10 seconds after switching from OFF open circuit to ON closed circuit Zero Calibration Start 10 13 Starts the common zero calibration Starts operating 3 to 10 seconds afte...

Page 134: ...at the same time When using a terminal the terminal assignments are as follows A transmission unit connector is used for connecting using the transmission unit option Note You can not use a terminal and a connector for an interface unit at the same time Use either a terminal or a connector Cable specification Device side D SUB 9 pin female connector PC D SUB 9 pin female connector Baud rate 19200 ...

Page 135: ...Example If the ID number is 12345678 and data was transferred on Oct 22 2004 18 00 and on June 7th 2005 1 00 Folder Contents saved data Data is saved using the following file names in the new folder All the above data are saved to the CF Compact Flash card at one time Data file contents All files are saved in CSV format The 1st line of a file contains the labels for the data Labels have the follow...

Page 136: ... 0000 8 1000 0080000A will be 0000 0000 1000 0000 0000 0000 0000 1010 2 Assign each binary digit in the Bit table of data status from the left 1 in binary digit is understood to mean ON Bit 23 Alarm 07 Power ON alarm Bit3 Washing Bit1 Maintenance AlmCL Residual chlorine data alarm bit mapped 2 AlmPRESS Water pressure data alarm bit mapped 2 AlmPH pH data alarm bit mapped 2 AlmCOND Water temperatur...

Page 137: ...o DataStat Alarm Status ON 1 OFF 0 TURB Turbidity data COLOR Color data CL Residual chlorine data PRESS Water pressure data PH pH data COND Conductivity data TEMP Water temperature data YY MM DD HH MM SS Year Month Day Hour Minute Second CalbNo Calibration number M Manual calibration A Automatic calibration CalbStat The result of the calibration OK 0 Fail 1 CalbConc Calibration value CoeffiZero Ze...

Page 138: ...ription 3 months 6 months Yearly As needed Adjustment of flow 80 mL min Mesh filter replacement When dirty After the 3 month calibration Replace the filter cartridge of the zero water filter When dirty Residual chlorine Sensors Polish the residual chlorine sensor When dirty When measurement value is unusual Replace beads When dirty Replace the residual chlorine sensor When the calibration alarm is...

Page 139: ...7 MAINTENANCE 127 Zero water filter Beads Residual chlorine sensor Mesh filter pH sensor Optional Conductivity sensor Optional Sample water feed valve must be closed ...

Page 140: ...tion page 97 Tip If water is not discharged properly run sample water again and repeat the procedure from step 3 Turn off the power 4 Open the inner door of the device Reference 2 1 Opening the Inner Door of the Device page 7 Restarting operation 1 Close the inner door of the device 2 Operation starts Reference 3 1 Starting the Device page 11 Sample water feed valve must be closed ...

Page 141: ...NCE 129 7 3 Connection Locations for the Sensor Connectors The following figure shows the location of the sensor connectors pH Sensor and cable with attached connector PRESS Water pressure TEMP Water temperature ...

Page 142: ...7 MAINTENANCE 130 ADC Connectors on the printed board Residual chlorine sensor Conductivity sensor ...

Page 143: ... cloth under the filter holder as water will run from the filter holder and the filter support may also fall 4 Pull out the mesh filter inside the filter holder and filter support 5 Wipe any dirt off of the filter stopper with a lint free cloth or rinse with tap water 6 Replace with a new mesh filter and reassemble the unit The direction in which you install the mesh filter and filter support is n...

Page 144: ...filter cartridge Water will drip from the filter cartridge when you remove it use a cloth to catch the water 2 Insert a new filter cartridge and screw on the cover Note Replace filter cartridge prepared only for TW 100 Push the filter so that red line completely hide in the case Cover Filter cartridge Sample water feed valve must be closed ...

Page 145: ...ish the residual chlorine sensor Removing the residual chlorine sensor Polishing the residual chlorine sensor Installing the residual chlorine sensor Replace beads Removing the residual chlorine sensor Replacing beads Installing the residual chlorine sensor Replace the residual chlorine sensor Removing the residual chlorine sensor New Installing the residual chlorine sensor Screw Cover Retaining s...

Page 146: ...al chlorine sensor page 134 Replacing beads 1 Remove the residual chlorine sensor from the device Removing the residual chlorine sensor page 133 2 Replace the beads Remove all beads from inside the residual chlorine conductivity cell using the included syringe and tube then insert a new set of beads Note Make sure to insert a full set of beads Otherwise the effectiveness of bead cleaning may be re...

Page 147: ...Remove the conductivity sensor connector 3 Rotate and remove the conductivity sensor and insert the new one 4 Connect the sensor connector 5 Attach the cover and tighten the door locking screw Screw Cover Conductivity sensor Enlarged view Sample water feed valve must be closed Conductivity sensor connector Installation location ...

Page 148: ...ing manual for the sensor Note Do not dry the conductivity sensor 7 4 5 Replacing and storing the pH sensor optional 1 Remove the connector from the pH sensor 2 Turn the pH sensor to the right and pull it out Note The pH sensor top is made of glass Take care not to break it when handling pH cell pH sensor Brown projection Sample water feed valve must be closed ...

Page 149: ... not to loose the protective cap liquid junction washer rubber cap and connector cap as they are used to store the sensor 5 Connect the pH sensor to the connector Storing the removed pH sensor 1 Soak the sponge of the protective cap in pure water 2 Fit the cap onto the receptor glass 3 Place the washer at the bottom of the protective cap and attach it to the pH sensor For details see the operating...

Page 150: ...9544 Residual chlorine electrode 3440 02C 3014039554 Beads 3014039555 Conductivity sensor 9382 02C 3014039224 pH sensor 6002 3014039223 Filter cartridge For zero water filter 3014039557 Mesh filter Polyester 355 mesh 4 pieces 3100166978 Rubber stopper Silicon rubber stopper 4 2 pieces 3200091458 Syringe Syringe 30 mL 1 piece 3200091375 Sandpaper 1 sheet 3200091449 Dropper Disposable 1 piece 320009...

Page 151: ... All components 03 Cell wiper operation abnormality Lit All components 04 ADC communication abnormality Lit 1 All components 05 Leak Lit All components 06 PIO communication abnormality Lit 2 2 All components 2 07 Power ON OFF 08 Battery abnormality Blink 10 Turbidity Concentration upper limit Blink 11 Concentration lower limit Blink 12 Concentration device upper limit Lit Turbidity 13 Concentratio...

Page 152: ...esidual chlorine 35 Zero calibration Blink 36 Span calibration Blink 37 Analyzer abnormality Lit Residual chlorine 40 Water pressure Concentration upper limit Blink 41 Concentration lower limit Blink 42 Concentration device upper limit Lit Water pressure 43 Concentration device lower limit Lit Water pressure 45 Zero calibration Blink 46 Span calibration Blink 50 pH Concentration upper limit Blink ...

Page 153: ...ink 72 Concentration device upper limit Lit Water temperature 73 Concentration device lower limit Lit Water temperature 75 Zero calibration Blink 76 Span calibration Blink 1 Alarm No 04 If there is a connection failure between the ADC and internal CPU circuit boards the LED is not lit 2 Alarm No 06 If there is a connection failure between the PIO and internal CPU circuit boards the LED is not lit ...

Page 154: ...ion abnormality Operation abnormality caused by foreign particles in cell Clean turbidity color cell remove foreign particles Connection failure in motor or photo sensor Inspect motor or photo sensor connection Cell wiper motor failure Replace cell wiper motor Failure in detection photo sensor for cell wiper position Replace detection photo sensor for cell wiper position 04 ADC communication abnor...

Page 155: ... detector 12 Concentration device upper limit Sample water abnormality Manually analyze sample water Mismatched calibration results Perform calibration page 40 Dirt in turbidity color cell Clean turbidity color cell Detector failure Replace detector Internal analog circuit board failure Replace internal analog circuit board TW ADC 01 13 Concentration device lower limit Sample water abnormality Man...

Page 156: ...te calibration page 40 Mismatching calibration solution Replace calibration solution and reexecute calibration Blockage in calibration solenoid valve Replace calibration solenoid valve Detector failure Replace detector 17 Analyzer abnormality Degradation in zero water filter Replace filter cartridge page 132 Mismatched calibration results Execute calibration page 40 Dirt in turbidity color cell Cl...

Page 157: ...board TW ADC 01 23 Concentration device lower limit Sample water abnormality Manually analyze sample water Degradation in zero water filter Replace filter cartridge page 132 Mismatched calibration results Perform calibration page 29 Clean turbidity color cell Dirt in turbidity color cell Clean turbidity color cell Detector failure Replace detector Internal analog circuit board failure Replace inte...

Page 158: ...og circuit board failure Replace internal analog circuit board TW ADC 01 30 Residual chlorine Concentration upper limit Sample water abnormality Manually analyze sample water Inappropriate flow rate Check the flow rate page 11 Mismatched calibration results Perform calibration page 59 Inappropriate applied voltage Set appropriate applied voltage page 96 Electrode failure Polish residual chlorine s...

Page 159: ...adation in zero water filter Replace filter cartridge page 132 Mismatching calibration solution Replace calibration solution and reexecute calibration page 59 Electrode failure Replace residual chlorine sensor page 133 Blockage in calibration solenoid valve Replace calibration solenoid valve 36 Span calibration Mismatched calibration results Reset calibration value and reexecute calibration page 5...

Page 160: ...on failure in pressure sensor connector Inspect pressure sensor connection Pressure sensor failure Replace pressure sensor Internal analog circuit board failure Replace internal analog circuit board TW ADC 01 45 Zero calibration Mismatched calibration results Reset calibration value and reexecute calibration page 68 Mismatching calibration pressure Check calibration pressure and reexecute calibrat...

Page 161: ...ration device lower limit Connection failure in pH sensor connector Inspect pH sensor connection page 129 pH sensor expiration or failure Replace pH sensor page 136 Internal analog circuit board failure Replace internal analog circuit board TW ADC 01 55 Zero calibration Mismatched calibration results Reset calibration value and reexecute calibration page 24 Mismatching calibration solution Check c...

Page 162: ...onductivity sensor connector Inspect conductivity sensor connection page 129 Conductivity sensor expiration or failure Replace electric conductivity sensor page 135 Internal analog circuit board failure Replace internal analog circuit board TW ADC 01 63 Concentration device lower limit Connection failure in conductivity sensor connector Inspect conductivity sensor connection page 129 Conductivity ...

Page 163: ... calibration results Perform calibration page 50 Dirt in conductivity sensor Clean conductivity sensor Conductivity sensor expiration or failure Replace electric conductivity sensor page 135 Internal analog circuit board failure Replace internal analog circuit board TW ADC 01 70 Water temperat ure Concentration upper limit Sample water temperature abnormality Check sample water temperature Connect...

Page 164: ... analog circuit board failure Replace internal analog circuit board TW ADC 01 75 Zero calibration Mismatched calibration results Reset calibration value and reexecute calibration page 70 Mismatching calibration temperature Check calibration temperature and reexecute calibration Connection failure in water temperature sensor connector Inspect water temperature sensor connection Water temperature se...

Page 165: ...ior started by external contact input Calibration cycle 1 hours to 9999 hours user setting Calibration time 20 minutes to 99 minutes user setting Automatic cleaning Turbidity color Cleaning method Cell window cleaning using wiper Cleaning start Interior started by internal timer Exterior started by external contact input Cleaning interval 5 to 9999 hours user setting Residual chlorine Continuous c...

Page 166: ... is possible insulated input ON resistance maximum 100 Open voltage 26 V DC Short circuit current maximum 13 mA Communication Interface RS 232C compatible Communication speed 19200 bps Communication unit can be attached as an option Function Integrating function for flow rate used in the system counter type Internal leak detecting function Data memory Stores data of the measurement values of measu...

Page 167: ...rmazine standard solution or polystyrene latex standard solution 2 Color Transmitted light absorbance method 0 CU to 10 CU 0 CU to 20 CU 5 0 of full scale Standard color solution 3 Residual chlorine Polarographic method 0 mg L to 2 mg L 2 5 of full scale DPD colorimetric method 4 Water pressure Semiconductor detection method 0 MPa to 1 MPa 1 0 of full scale Standard pressure gauge 5 pH optional Gl...

Page 168: ... filter Capillary Capillary switching solenoid valve Sample water flow rate 80 mL min feed valve solenoid valve Sample water Air inlet Calibration inlet Sample inlet Abnormal sample outlet Drain Pressure sensor Pressure reducing valve Temperature sensor Zero water filter Zero switching Calibration switching Discharge water solenoid valve Air release solenoid valve Flowmeter Residual chlorine cell ...

Page 169: ... as wavelength of measuring light to avoid interference of color 9 4 Color Measurement The transmitted light measurement method is used in TW 100 This method measures the level of brownish yellow in yellow like colors shown in dissolution and colloidal materials contained in water at a wavelength of 375 nm using absorptiometry Evaluating the color turbidity coefficient In sample water measurement ...

Page 170: ...l chlorine in solution so you can measure the concentration of residual chlorine in sample water by measuring this current This measurement method is called the polarographic method and allows simple measurement of residual chlorine differing from residual chlorine measurement methods using reagents which require complicated preparation Fig 1 Residual chlorine electrode Temperature compensation Th...

Page 171: ... the contact surface of the two solutions is equal In this state of equilibrium the potential at the contact surface between the two solutions is called the liquid junction potential A large liquid junction potential means very inaccurate measurement Asymmetric potential The glass electrode is immersed in a pH 7 standard solution When the electrode is immersed in the pH 7 solution both the interna...

Page 172: ...to ions especially the conductivity of electrolytic solution that uses water as the solvent As shown in Fig 2 two pole plates with an area A expressed in m2 are positioned parallel to each other separated by distance l expressed in m then solution is poured into the cell until full and alternating current is run between the plates Fig 2 Conductivity cell imitative pH 1 68 standard solution Oxalate...

Page 173: ...conductivity L expressed in S m into equation 1 results in equation 2 below R J L Equation 2 As is clear from equation 2 when a conductivity cell having a cell constant J of 1 m 1 is used l in other words when a conductivity cell having two pole plates that each have an area A of 1 m2 and are positioned parallel to each other such that the distance l between the two plates is 1 m is used l the inv...

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Page 175: ...http www horiba adt jp Headquarters 31 Miyanonishi cho Kisshoin Minami ku Kyoto 601 8306 Japan TEL 81 75 321 7184 FAX 81 75 321 7291 ...

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