DKK-TOA WQC-30 Instruction Manual Download Page 1

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Please read this manual thoroughly before use to use it correctly.

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This manual should be provided to the person who actually operate this product.

Handheld Multi-Parameter

Water Quality Meter

MODEL WQC-30

No. WQC-LB16300E

Summary of Contents for WQC-30

Page 1: ...ad this manual thoroughly before use to use it correctly This manual should be provided to the person who actually operate this product Handheld Multi Parameter Water Quality Meter MODEL WQC 30 No WQC...

Page 2: ...WMS 30 standard accessory sensor module to the instrument unit multi parameter water quality measurements can be made if the order was for the instrument unit only the sensor module will not be inclu...

Page 3: ...irement for long term outpatient status Indicates the degree of possible harm or damage for cases where incorrect handling of the product may result in injury or material damage The term injury refers...

Page 4: ...stance Wear protective equipment when handling it Be sure to check the safety data sheet SDS Contamination by foreign objects Do not drop the instrument in the measurement tank etc This can result in...

Page 5: ...be measured is grounded measurements in the sea ponds rivers or built in metal tanks a commercially available RS 232C isolator signal isolation unit is required between the instrument unit and the co...

Page 6: ...stained to the point it becomes unusable please order another instruction manual from the dealer etc c Some figures in the instruction manual or on the product labels etc may be changed in form to ass...

Page 7: ...customer after purchase e Electrodes sensors cells and consumables f Failure and damage caused by the use of consumables parts software etc other than those of the Company g Failure or damage caused b...

Page 8: ...ading this manual To gain an overview of this product and get it started etc please refer to the necessary items in this instruction manual The circled numbers in the diagram indicate the chief items...

Page 9: ...part 18 1 Instrument unit and control panel 18 2 Display sections 19 3 Sensor module Model WMS 30 22 4 pH electrode 23 5 Turbidity sensor electrical conductivity cell and temperature sensor 24 6 Disso...

Page 10: ...idity 72 1 Key points of Turbidity Calibration 72 2 One Touch Zero Calibration of Turbidity 73 3 Span Calibration of Turbidity 76 4 Preparation of Formazine Standard Solution 80 5 Preparation of Kaoli...

Page 11: ...operation screen map 126 7 2 Data memory functions 127 1 Changing the data number 127 2 Changing memory overwrite on off 130 7 3 Changing the interval memory 131 1 Key points concerning interval memor...

Page 12: ...y calibration values 165 3 Printing the electrical conductivity cell constant calibration values 166 4 Printing dissolved oxygen calibration values 166 5 Printing measurement values 167 8 3 Communicat...

Page 13: ...ed oxygen electrode optional 198 1 Replacement of dissolved oxygen electrode electrolyte and diaphragm set 199 2 Replacement of the dissolved oxygen electrode 201 9 7 Replacement of the batteries 202...

Page 14: ...n pH 6 86 500mL pH 4 01 500mL 143F192 143F191 1 each Reference electrode replaceable liquid junction part 678458K 1 Reference electrode internal gel liquid 50mL 143F235 1 Special tool spanner 67628000...

Page 15: ...ation 0 0 to 50 0 C Electricalconductivity ATC automatictemperaturecompensation 0 0to50 0 C OFF no temperature compensation Salinity as for electrical conductivity Dissolved oxygen ATC automatic tempe...

Page 16: ...xygen optional zero span calibration Water depth sensor Up to 30m equivalent to 0 3MPa Waterproof construction IP67 4 Print function Interface standard equipment The printer is an optional item RS 232...

Page 17: ...put optional 5 May not be used at the same time as the print function 6 In cases where the sample being measured is grounded when measuring sea ponds rivers built in metal tanks etc a commercially ava...

Page 18: ...ation ON times of 10mins 20mins 30mins 60mins can be selected and the power supply will switch off in the absence of any key operation Selection of pH standard solution It is possible to select set th...

Page 19: ...unction Power switch Press for 2 seconds or more to switch the power ON OFF Pressing for less than about 2 seconds returns directly to the Measurement Screen from all other screens Sensor key pH measu...

Page 20: ...ue Select each symbolon Menu Screen Data out right arrow key Display a saved value Select each symbolon Menu Screen 2 Display sections 1 Data number display 2 Battery symbol 3 Memo symbol 4 Operation...

Page 21: ...n is started it blinks during stability determination and calibration execution then illuminates fully upon completion of calibration 11 Hold symbol Illuminates when a measurement value is on hold 12...

Page 22: ...calibration 22 No symbol Illuminates when setting the data number 23 SAL symbol Illuminates when salinity correction for dissolved oxygen measurement is ON Illuminates when salinity correction for di...

Page 23: ...r module to the instrument main body 2 Hook Metal fitting for fixing cable and sensor module 3 Protective cylinder Cylinder for protecting electrodes cells 4 Cable fixing ring Metal fitting for fixing...

Page 24: ...factory shipping so under normal circumstances please continue to use it in this state 3 Liquid junction section replaceable Point of contact between the measurement solution and reference electrode 4...

Page 25: ...on 1 Pole Electrode for electrical conductivity detection 2 Outer cylinder Attaches to the electric conductivity cell parts when measuring 3 Light emitting part Light emitting part of turbidity sensor...

Page 26: ...nder Cylinder housing electrolyte where the diaphragm set is installed 3 Spanner point Groove for spanner used when removing the dissolved oxygen electrode outer cylinder 4 Electrode fixing nut Nut fo...

Page 27: ...polarity direction of the battery mounting section before installing two AA type alkaline dry cell batteries or two AA type rechargeable nickel metal hydride batteries Battery life varies depending on...

Page 28: ...over Checking the packing installation IMPORTANT Clean out any dirt or dust which has gathered around the packing and the rib the part sealing the packing Also if there are scratches cracks or deterio...

Page 29: ...nt into the battery cover recess The tip of the battery cover does not fit completely into recess part of battery cover The tip of the battery cover lid fits completely into the recess part of the bat...

Page 30: ...er on a desk or similar so as not to drop the instrument unit Strong shocks to the instrument unit may result in damage 1 Affixing the protective cover Insert the instrument unit into the top part of...

Page 31: ...d the middle finger in the long finger hold recess and push out the instrument unit with the thumb Extrusion hole Finger hanging with a long hole Instrument unit back side Protective cover Push out th...

Page 32: ...er the internal parts of the instrument unit there is a risk of short circuit causing fire Turn off power before removing IMPORTANT With the plug battery cover AC adapter cover and input output cover...

Page 33: ...plug without turning the plug body turn only the fixing ring and secure the plug IMPORTANT Turning the plug body or moving the plug left or right when attaching detaching it may result in damage to th...

Page 34: ...prior to handling so that the membrane set is not subjected to static discharge Electrostatic sensitive parts are also used for other electrodes We strongly recommend discharging static electricity f...

Page 35: ...d electrolyte until it reaches the lower end of the internal thread of the electrode outer cylinder Electrolyte Inner thread Infusion upper limit level of internal liquid Electrode outer cylinder To s...

Page 36: ...il dry Apply silicon grease to the O ring Apply the standard accessory silicon grease thinly to the O ring on the dissolved oxygen electrode connector part Remove the protective cylinder Turn the prot...

Page 37: ...nut Turn the electrode fixing nut with the dedicated spanner in the clockwise direction until tight IMPORTANT Please ensure that the dissolved oxygen electrode is mounted firmly If the mounting is no...

Page 38: ...easurement tanks etc This can result in damage Injury Handle the sensor module carefully as it is a heavy item It may fall and cause injuries The sensor module and the protective cylinder screw parts...

Page 39: ...ess to the cable and its connection to the sensor module The cable may be damaged The sensor module is not intended for continuous measurement over long periods of time Continuous measurements should...

Page 40: ...ssolved oxygen atmospheric pressure correction and set the atmospheric pressure d Measurement of salinity Salinity measurement is performed by converting the electric conductivity measurement value Th...

Page 41: ...ct Paper wiper Wash bottle with nozzle Calibration drainage collection container example pH 4 01 or pH 9 18 standard fluid PH9 86 standard fluid Calibration beaker Apparatus for pH calibration and cle...

Page 42: ...rts After cleaning please wipe off moisture gently with a paper wipe or similar For performing dissolved oxygen measurements with a submersible stirrer optional combine with the submersible stirrer as...

Page 43: ...function by setting to OFF 7 5 Set auto power off Confirm date and time Check that the date and time on the screen matches the current date and time If they do not agree perform adjustment 5 4 Date an...

Page 44: ...p of the protective tube Since the sensor module is waterproof it can perform measurements even in a completely submerged state IMPORTANT If air bubbles adhere to the turbidity sensor or the electrica...

Page 45: ...g on the power Please make sure 30 seconds or more have elapsed after turning on the power It takes 20 to 30 seconds after turning on the power for the functions of the instrument unit to stabilize Pe...

Page 46: ...nt screen displayed only when Dissolved oxygen measurement ON OFF setting is ON Measurement Screen variations for the measurement types b Press 5 6 Hold and release measurement values The measurement...

Page 47: ...he electrode parts with tap water or pure water and gently wipe with a paper wipe or similar After cleaning attach the previously removed protective cap and fix the protective cylinder back in its ori...

Page 48: ...trument unit and printing out the data 5 8 Checking printing and erasing memory data 8 2 Printing with the external printer 8 3 Communication via RS 232C Maintenance inspections Perform regular mainte...

Page 49: ...reen example Confirm the display is off Confirm the display is off To power on push on the control panel for at least 2 seconds until a beep is heard Check the display After the Version Number Screen...

Page 50: ...ation of power off c There is a function which will power off the instrument automatically after a set time 10 20 30 60 minutes if there is no key operation The factory shipping setting for this is di...

Page 51: ...g the batteries etc it is necessary to set the date and time Date and time adjustment procedure Operation Screen example Go to Measurement Screen If the Measurement Screen is not displayed press less...

Page 52: ...mbers add 1 minute to the present time etc To move the flashing place or To change the flashing number or Range of settings AD 2017 to 2050 Month and day 1st Jan to 31st Dec Time 00 00 to 23 59 Calibr...

Page 53: ...ment types Operation Screen example Go to Measurement Screen If the Measurement Screen is not displayed press on the control panel less than 2 seconds Disable Interval Memory If when viewing the Measu...

Page 54: ...asurement Screen Electrical conductivity measurement option screen Electrical conductivity measurement screen Salinity Measurement Option Screen Salinity Measurement Screen Dissolved Oxygen Measuremen...

Page 55: ...2 2 Changing memory overwrite on off c The measured value of dissolved oxygen optional item can also be affected by the measurement value hold function if the dissolved oxygen electrode is fitted and...

Page 56: ...omatically recorded At the upper left of the screen the data number will increase by 1 Hold state of the pH Measurement Screen Check the measurement values Press or on the control panel to switch the...

Page 57: ...ue to be an arbitrary number 7 2 1 Changing the data number d If the setting of memory overwrite on off 7 2 2 Changing memory overwrite on off is off then when the number of recorded measurement value...

Page 58: ...easurement values are recorded and the data number at the upper left of the screen the number of the next recorded measurement value will increase by 1 On the normal Measurement Screen the measurement...

Page 59: ...viewing the Measurement Screen if is blinking or illuminated release the interval memory 7 3 4 Releasing the interval memory INT symbol Go to Memory Data Display Screen Press from the Measurement Scr...

Page 60: ...ter Erase Press for 2 seconds or more Following this operation proceed to Specify a range of Memory data Specify a range for printing or erasing as necessary From the Memory Data Display Screen press...

Page 61: ...on Types of pH Measurement and Calibration Procedures Types of Measurement Calibration Procedures Standard pH solution to be used Reference Normal measurement Two point pH calibration pH 6 86 standard...

Page 62: ...beaker Pour the following pH standard solutions to the two accessory calibration beakers up to the line H level Previously clean the calibration beaker used for the first point calibration then pour t...

Page 63: ...ent them from contacting with and being damaged by others Retain the removed protective cap until it is used again Clean the electrode parts To power on If the display is off push on the control panel...

Page 64: ...tion always delete the calibration data If previous calibration data remains it may affect the new calibration Upon deletion of the remaining data all the pH calibration data return to the default Imm...

Page 65: ...least 30 seconds have passed since the instrument power supply had been turned ON and then press and hold the on pH Measurement Screen for at least 2 seconds The on pH calibration execution screen bli...

Page 66: ...for a while as well not to go back to 5 2 Measurement procedure and proceed the operation re attach the sensor module protective cylinder as it was before Used pH standard solution into a container T...

Page 67: ...s on the Menu Screen blinks Go to Calibration Value Display screen Press or on the control panel in the Menu Screen for several times until starts flashing on the screen then press After this operatio...

Page 68: ...ential 2 screen Calibration Value Display Slope 1 screen Three point calibration data Calibration Value Display Date Time screen Calibration Value Indication Standard Solution Potential 1 screen Calib...

Page 69: ...to Measurement screen If the currently displayed screen is not Measurement screen press for less than 2 seconds Check for interval memory release On the Measurement screen ensure that the is blinking...

Page 70: ...and pH 10 02 standard solutions If you want to use pH 10 02 standard solution change the pH standard solution setting on this screen b The bases for pH standard solutions are different between JIS st...

Page 71: ...s such as blinks Go to etc screen group On Menu screen press the or on the control panel several times to start the on the screen flashing then press After this operation the Calibration Value Display...

Page 72: ...0 6 1 Calibration of pH 71 Continued Operation Screen example Screens for setting of pH standards olutions types Go to Measurement screen Press for less than 2 seconds If you want to go back to Menu s...

Page 73: ...when refined kaolin is taken as the standard substance The default is NTU This can be changed If you perform calibration using refined kaolin as the standard substance change the measurement unit to...

Page 74: ...eaning the light receiving and emitting parts Remove the sensor module protective cylinder clean the light receiving and emitting parts of the turbidity and electrical conductivity cell with pure wate...

Page 75: ...hould be allowed to be dissolved into the pure water it will disable the calibration If air bubbles stick to the light receiving or emitting part it will disable the calibration Move the sensor module...

Page 76: ...ashing and calibration starts If you want to stop the calibration press or while the is flashing The screen returns to the Measurement screen You cannot stop it after starts lighting In that case repe...

Page 77: ...leted Prepare a standard solution 6 2 4 Preparation of Formazin Standard Solution or 6 2 5 Preparation of Kaolin Standard Solution Clean light receiving and emitting parts Remove the sensor module pro...

Page 78: ...rbidity standard solution until its upper holes are below the solution surface Move it up down left and right to remove air bubbles sticking to the light receiving and emitting parts of the turbidity...

Page 79: ...dity Measurement screen matches the turbidity standard solution in which the sensor module is immersed Using formazin standard solution Matching turbidity unit NTU Using kaolin standard solution Match...

Page 80: ...least 30 seconds have passed since the instrument power supply ON The instrument requires 20 to 30 seconds of power supply until its functions are stabilized Perform measurement or calibration after t...

Page 81: ...NTU 2000mL volumetric flask 1 2000mL beaker 1 Stirrer 1 optional Weigh 4000NTU Transfer a formazin standard solution 4000NTU to a beaker and weigh 400mL of it into a 2000mL volumetric flask while thor...

Page 82: ...data b To delete the calibration data refer to another procedure Refer to 6 2 7 Deletion of Turbidity Calibration Data Turbidity Calibration Data Checking Procedure Operation Screen example Go to Meas...

Page 83: ...he calibration data The data are indicated in the order as follows Calibration Value Display Date Time screen Calibration Value Display Zero turbidity Vale screen Calibration Value Display Zero mV Val...

Page 84: ...tion Data a The or on the Turbidity Measurement screen shows that the data of the latest one zero calibration or span calibration are saved You can delete the data IMPORTANT Prior to calibration alway...

Page 85: ...reen appears Go to One Touch Zero Calibration Execution screen On the Measurement screen press for at least 2 seconds until a beep is heard After this operation the One touch Zero Calibration Executio...

Page 86: ...that the interval memory is valid This is cancelled by default At the calibration cancel the interval memory 7 3 2 Changing the interval method and time INT symbol e Prior to calibration check if main...

Page 87: ...eve from the sensor module Clean the electrical conductivity cell and the electrode parts with pure water and gently wipe them with paper wipe and similar If you remove the sleeve refit the sleeve on...

Page 88: ...o lowered the electrode protective cap may be pressed against and broken by the beaker bottom to let the liquid in the cap flow out If air bubbles are sticking to the turbidity sensor and the electric...

Page 89: ...n the range shown below Carry out measurement here with ATC automatic temperature compensation 7 7 2 Changing the temperature compensation temperature coefficient Good range Between 133 9 and 147 9mS...

Page 90: ...r the calibration of the cell constants The preparation of a calibrating solution is also necessary 6 3 4 Preparation of Cell Constant Calibration Solution c On completion of a cell constant calibrati...

Page 91: ...ode parts to prevent them from contacting with and being damaged by others Restore protective cylinder etc Restore the sleeve on the electrical conductivity cell and the protective cylinder Sensor mod...

Page 92: ...nge the screen to the Electrical Conductivity Measurement Items screen cond If following the above step the operation panel is left untouched for about 1 second the screen changes to Electrical Conduc...

Page 93: ...ion After this operation the measured value is held Input calibration solution value On the Calibration Solution Value Input screen enter the theoretical electrical conductivity value 140 9mS m of the...

Page 94: ...ress for less than 2 seconds after making sure of the input value The buzzer sounds and the Cell Constant after the calibration screen appears Cell Constant screen End this operation On the Cell Const...

Page 95: ...mL volumetric flask per JIS R 3505 Check potassium chloride weight Check the weight of the potassium chloride for the calibration solution C according to the table below The electrical conductivity v...

Page 96: ...l memory INT symbol Go to Electrical Conductivity Measurement screen On the Measurement screen press or repeatedly until the screen is replaced by the Electrical Conductivity Measurement Items screen...

Page 97: ...d Operation Screen example If the calibration value is already deleted or calibration is not performed yet will be indicated Calibration data of electrical conductivity Go to Measurement screen Press...

Page 98: ...rature calibrating procedure Operation Screen example Go to Measurement screen If the screen doesn t display Measurement screen press for less than 2 seconds Check for interval memory release On the M...

Page 99: ...ature Calibration Execution ON Mode screen Set to the temperature value for to which temperature calibration is to be executed applied hereafter If you have selected the Temperature Calibration Releas...

Page 100: ...s the calibration value change in the case of temperature calibration ON OFF or ON Measurement screen after execution of temperature calibration Go to Measurement screen Press for less than 2 seconds...

Page 101: ...solved oxygen measurement on off Calibrate in a way suited for the type of measurement 6 5 Calibration of Dissolved Oxygen optional b The dissolved oxygen electrode to be installed in this instrument...

Page 102: ...ement of low concentration not higher than 1mg L Zero calibration 6 5 5 Zero Calibration of Dissolved Oxygen 4 Accurate measurement in wide range Execute zero calibration first zero calibration span c...

Page 103: ...d after the span calibration the span calibration value will fail to suit e If you want to perform measurement more accurately set the atmospheric pressure 7 9 4 Changing dissolved oxygen atmospheric...

Page 104: ...the display is dark press for at least 2 seconds until a beep is heard It takes 20 to 30 seconds after turning on the power for the functions of the instrument unit to stabilize Perform measurements o...

Page 105: ...point calibration will be deleted Clean electrode parts Remove the sensor module protective cylinder clean the electrode parts including the dissolved oxygen electrode with pure water and gently wipe...

Page 106: ...ions 3 Dissolved Oxygen Span Calibration in Water Vapor Saturated Air a This is a span calibration utilizing water vapor saturated air in order to measure high concentration accurately It uses a small...

Page 107: ...parts now exposed with the cylinder removed to avoid their contact with and damage by others Electrode parts into water vapor saturated air Slowly introduce the electrode parts until the guard to the...

Page 108: ...on Selection of Dissolved Oxygen Measurement screen If you use this instrument for the first time after purchase of it or if the span calibration mark and the zero calibration mark are already dark th...

Page 109: ...d oxygen in mg L at different temperatures The when it is lighting shows that span calibration has been executed Restore protective cylinder Take the sensor module electrode parts out of the calibrati...

Page 110: ...g speed is not less than 1000rpm In 15 minutes or more the pure water is saturated with dissolved oxygen Keep operating Preparation of saturated water Clean electrode parts Remove the sensor module pr...

Page 111: ...left untouched for one second following the above operation the Dissolved Oxygen Measurement screen replaces and the dissolved oxygen unit mg L or lights at top right above the main indication Select...

Page 112: ...The when it is lighting shows that span calibration has been executed Ending Take out the sensor module from the saturated water Put the Put away the stirrer and the air pump Now the Span calibration...

Page 113: ...irring with a glass rod Preparation of zero calibration solution IMPORTANT If the zero calibration solution surface level is lower than the line H the diaphragm of the dissolved oxygen electrode canno...

Page 114: ...y can impair the calibration Remove air bubbles by moving the sensor module up and down in the zero calibration solution Electrode parts into zero calibration solution Power supply ON If the indicatio...

Page 115: ...ygen Calibration Data IMPORTANT Prior to calibration always delete the calibration data The deletion is followed by the return of all the dissolved oxygen calibration data to the default values The da...

Page 116: ...gen value mg L or a dissolved oxygen saturation rate The lighting of shows that the zero calibration has been executed Clean electrode parts Take out the sensor module electrode parts from the calibra...

Page 117: ...zero calibration solution 6 5 5 Power supply ON 6 5 5 To Dissolved Oxygen Measurement screen 6 5 5 Delete calibration data 6 5 5 Execute span calibration 6 5 5 Confirm completion of zero calibration O...

Page 118: ...5 4 Clean electrode parts 6 5 4 Sensor module into saturated water Operations not required 6 5 4 to 6 5 4 Execute span calibration 6 5 4 Confirm completion of span calibration 6 5 4 Ending Now the two...

Page 119: ...urement screen ensure that the is blinking or lighting If it is illuminated release or cancel the interval memory 7 3 3 Execution and termination of interval memory or 7 3 4 Releasing the interval mem...

Page 120: ...ion data are output to the printer If the calibration has been a zero calibration or a one point calibration span calibration only only the related calibration value is indicated Calibration Value Dis...

Page 121: ...If it is illuminated release or cancel the interval memory 7 3 3 Execution and termination of interval memory or 7 3 4 Releasing the interval memory INT symbol Go to Dissolved Oxygen Measurement scre...

Page 122: ...an Calibration Execution screen press Screens before and after calibration data deletion Following the operation step above the blinking of the changes to lighting the or goes out and the Dissolved Ox...

Page 123: ...ent types About1second display or Counter clockwise Hold state data must be saved Switching measurement types PH Setting Data Number Screen D a t e T i m e Setting Screen Setting Interval Screen Manua...

Page 124: ...CLEAR CLEAR Temperature calibration S e t t i n g M e m o r y Overwriting ON OFF Screen CLEAR Press for at least 2 seconds Measurement Screen Lights off About1second display Switching measurement typ...

Page 125: ...you press on this 8 screen it returns directly to Menu Screen MENU CLEAR CLEAR CLEAR CLEAR Setting Interval Screen Manual memory execution screen Interval execution screen Press for at least 2 seconds...

Page 126: ...ENU MENU CLEAR CLEAR Or MENU CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR No INT Salinity Unit S e t t i n g Screen Manual memory execution screen Interval execution screen When Interval setting screen i...

Page 127: ...types About1second display M e a s u r e m e n t Screen Switching measurement types Hold state data must be saved do Blinking Setting Auto Power Off Screen POWER DATA IN MENU MENU MENU CLEAR CLEAR CLE...

Page 128: ...on the upper left side of Measurement Screen This is the number of the measurement values data to be recorded memory next Data number of Measurement Screen c Normally the next number to the number of...

Page 129: ...r Dissolved oxygen How to change data number Operation Screen example Go to Menu Screen Press on the control panel in Measurement Screen with flashing or turned on This operation is possible for all m...

Page 130: ...se the flashing number or To move the flashing position or Setting range 1 to 200 default 1 If any measurement values are already recorded for the shown data number the recorded date for that data is...

Page 131: ...anel in Measurement Screen with flashing or turned on This operation is possible for all measurement types After this operation the current measurement type such as PH is displayed on the screen Simul...

Page 132: ...r the dissolved oxygen turn on the power and set the measurement mode on see 7 9 and wait for 30 minutes 1min or longer This 30min 1min or longer energization charges the DO backup function and accele...

Page 133: ...al method and time Operation Screen example Go to Menu Screen Press on the control panel in Measurement Screen with flashing or turned on This operation is possible for all measurement types After thi...

Page 134: ...ry Interval memory invalid Short interval memory Long interval memory Setting Interval Screen Change interval time When Shrt or Long is selected in the Setting Interval Screen press or on the control...

Page 135: ...firming interval method Press on the control panel in the Setting Interval Screen When Shrt or Long is selected Measurement Screen appears in the interval standby state with flashing When oFF is selec...

Page 136: ...d and changing the interval time 7 3 2 Changing the interval method and time Steps for execution and termination of interval memory Operation Screen example Go to Menu Screen Press on the control pane...

Page 137: ...thod and time refer to 7 3 2 Changing the interval method and time If it is set to oFF the interval memory is not executed and the following example assumes that Shrt or Long is selected Interval memo...

Page 138: ...state screen Press Measurement Screen Remaining interval time Starting interval memory If it is not necessary to stop interval memory proceed to Releasing the interval memory Stopping Press on the co...

Page 139: ...the interval method and time Here the steps are simple without description of interval time c The short interval is automatically disabled when the power is turned off OFF Therefore this operation is...

Page 140: ...own Menu Screen Example of pH measurement Changing interval method Press or on the control panel in the Setting Interval Screen to turn the interval method icon to oFF disabled on the upper left side...

Page 141: ...e of the menu items e g starts flashing meaning it is switched to the Menu Screen Go to Setting Buzzer ON OFF Screen Press or on the control panel in Menu Screen for several times until starts flashin...

Page 142: ...This operation is possible for all measurement types After this operation the current measurement type such as PH is displayed on the screen Simultaneously one of the menu items e g starts flashing m...

Page 143: ...7 5 Setting auto power off 142 Continued Operation Screen example Setting Auto Power Off Screen Go to Measurement Screen Check the setting and press on the control panel Press instead of to return to...

Page 144: ...ith purified water and the span calibration with refined Kaolin reference solution should be conducted before measurement Steps for changing turbidity unit Operation Screen example Switching measureme...

Page 145: ...Setting Turbidity Unit Screen 2 Switching the display range a The display range for turbidity measurement can be switched among three Auto range Low range and High range b In the Auto Range it is swit...

Page 146: ...several times until diSP is shown in the data number indication area Setting display range The currently used range is shown flashing Press or to move the flashing range Auto range 0 0 to 800NTU defa...

Page 147: ...measurement range switches in the following order Order of range switch d Press to change from the Auto Range to the Manual Range e Press for two seconds to change from the Manual Range to the Auto Ra...

Page 148: ...Manual Range Measurement Screen To change from the Auto Range to the Manual Range Press on the control panel is turned off To change from the Manual Range to the Auto Range Press on the control panel...

Page 149: ...imen with multiple chemical compounds turn the temperature compensation off or set the temperature coefficient to 0 C for an accurate measurement and measure the electrical conductivity in each temper...

Page 150: ...to the selected setting screen When Setting Automatic Temperature Compensation Screen is selected ATC is turned on Enter the temperature coefficient flashing for the main indication area Press or on t...

Page 151: ...urned off Changing to flash If any icons except are flashing press or on the control panel for several times until starts flashing Menu Screen Go to Setting Old and New Unit Screen Press for several t...

Page 152: ...mes in the Measurement Screen in Measurement State with turned off Go to Menu Screen Press on the control pane of the Measurement Screen in Measurement State with turned off Changing to flash If any i...

Page 153: ...peration Screen example Go to Menu Screen Press on the control pane of the Measurement Screen in Measurement State with turned off Changing to flash If any icons except are turned on press or for seve...

Page 154: ...een Press on the control pane of the Measurement Screen in Measurement State with turned off Changing to flash If any icons except are turned on press or for several times until starts flashing Menu S...

Page 155: ...e with turned off Changing to flash If any icons except are turned on press or for several times until starts flashing Menu Screen for dissolved oxygen Go to Salinity Correction Screen Press for sever...

Page 156: ...easurement Screen in Measurement State with turned off Changing to flash If any icons except are turned on press or for several times until starts flashing Menu Screen for dissolved oxygen Go to Atmos...

Page 157: ...to move the flashing digit Press or to change the flashing number Setting range 800 to 1200hPa Default 1013hPa on With correction Setting Atmospheric Pressure Correction Screen Revert Check the set va...

Page 158: ...lution Operation Screen example Go to Dissolved Oxygen Screen Press or on the control panel for several times in the Measurement Screen of Measurement Screen with turned off Go to Menu Screen Press on...

Page 159: ...panel to select the indication type of the lowest digit Setting range 0 00mg L display up to first decimal place 0 00mg L display up to second decimal place default 0 00mg Not to delete lowest digit...

Page 160: ...rement Screen with turned off Go to Menu Screen Press on the control panel in the Measurement Screen in Measurement State with turned off Changing to flash If any icons except are turned on press or f...

Page 161: ...with turned on to show CALC in the data number indication area Setting Dissolved Oxygen Formula Screen Selecting formula Press or on the control panel in the Setting Dissolved Oxygen Formula Screen a...

Page 162: ...AC adapter cover or the input output cover open Also do not install or store it in places where there is a risk of ingress by chemicals or water 1 Connecting AC adapter IMPORTANT Use only our optiona...

Page 163: ...ng external printer Connect the other end of the connector D sub25 pin of the external connecting cable optional referring the external printer manual Also load the printer paper and prepare to start...

Page 164: ...IEC60950 1 or IEC61010 1 The PC to be used for communication should be compliant to the safety standard IEC60950 1 or IEC61010 1 Confirming the power is off Please check that the power supply of the...

Page 165: ...follows 1 Printing pH calibration value The calibration data is automatically printed out when a calibration is completed 6 1 Calibration of pH Example of printing pH calibration data after calibratio...

Page 166: ...urbidity Example of printing turbidity zero calibration after calibration Example of printing turbidity span calibration after calibration You can print the set calibration data by pressing on the con...

Page 167: ...lues after calibration 6 3 5 Electrical Conductivity Calibration Data Check Example of printing called electrical conductivity cell constant calibration data 4 Printing dissolved oxygen calibration va...

Page 168: ...ibration data 5 Printing measurement values a Printing using interval function Measurement values are automatically printed in the set interval time when measurement is performed with the interval fun...

Page 169: ...nel in the Measurement Screen In pH temperature measurement mode Memory Data Display Screen Calling by data number Number in the first digit flashes Set the data number to call Press or on the control...

Page 170: ...ta Display Screen Go to Output Delete Memory Data Screen Press on the control panel The number in the first digit of the data number to start printing flashes Delete Memory Data Screen Setting printin...

Page 171: ...nal printer 170 Continued Operation Screen example To stop printing Turning power off of the instrument unit and the external printer optional Reverting Press up to two seconds after printing is finis...

Page 172: ...h the earth 1 RS 232C communication format Communication conditions fixed Transmission method half duplex communication Transmission speed 19200bps Character 8 bit Start 1 bit Stop 1 bit Parity none F...

Page 173: ...ved oxygen saturation formula 1 byte 0 Truesdale formula 1 ISO5814 2012 formula Request memory data PC to instrument unit DM 0001 0200 CRLF can be omitted Request code fixed to DM 2 byte Starting data...

Page 174: ...on 1 byte 0 OFF A ATC Salinity value 5 byte Salinity unit 1 byte 0 NaCl 1 no unit PSS Dissolved oxygen temperature compensation fixed value 1 byte A Auto ATC Dissolved oxygen value 7 byte Dissolved ox...

Page 175: ...ument unit to PC RT 20171030 123400 OK CRLF Setting code RT 2 byte Date 8 byte Time minute and second 6 byte Reply status 2 byte OK Normal NG Can not be set Request device information PC to instrument...

Page 176: ...d empty part is space Reply from Q21 Q21 WMS 30 CRLF Request code 3 byte Sensor module model name 10 byte Left aligned and empty part is space Return space for any communication error with sensor such...

Page 177: ...load measurement data to PC in the CSV format when connecting this instrument to PC b You can create a chart or a graph from the data saved with this software using the commercial spreadsheet softwar...

Page 178: ...chieved by attaching a submersible stirrer when the flow velocity is not enough to measure the dissolved oxygen b Install a battery before using a submersible stirrer Replace a battery when it is drai...

Page 179: ...rand and used environment IMPORTANT Replace a battery in the place where no foreign object can be attached such as water dirt sand or hairs Do not handle it with wet or dirty hands If any water drops...

Page 180: ...e O ring thread or twisted part in the O ring of mixer unit Replacing Check any foreign objects such as dirt sand or hair are not attached to the O ring or surfaces touching the O ring Apply the enclo...

Page 181: ...eration Hold the stirrer support cylinder perpendicularly with the float at the bottom side and lift the float with your fingers Check that the stirrer bar can rotate After checking release your finge...

Page 182: ...urn the float switch protective cover counterclockwise looking from bottom to remove the float stopper from the float axis Set aside the float stopper since it can be used repeatedly Float Float stopp...

Page 183: ...bubble Prepare the specimen solution deep enough to submerse the whole submersible stirrer with the sensor module mounted Shake the submersible stirrer up and down for several times in the specimen so...

Page 184: ...submersible stirrer is not in use If it is not attached and the stirrer is laid down or it touches the float the stirrer moves and consumes energy Wash the submersible stirrer mixer unit regularly Re...

Page 185: ...pter cover or the input output cover open Also do not leave it in places where there is a risk of ingress by chemicals or water IMPORTANT Never use organic solvents such as a paint thinner to clean th...

Page 186: ...f the sensor module counterclockwise looking from the bottom to remove Protective cylinder Removing protective cylinder Washing electrode tip Rinse the electrode tip with pure water and dry it with ti...

Page 187: ...terial Normal electrode storage Electrode storage during precise measurement Calibration beaker and other Sensor module Protective cover 3 3mol L potassium chloride solution pH electrode pH electrode...

Page 188: ...oric acid solution Soak until here However within 10 minutes For heavy soil soak it in the hydrochloric acid solution to clean b Grease Wipe the tip of electrode with a soft cloth such as gauze dampen...

Page 189: ...ove Rinse with pure water Rinse the light receiving emitting part of the turbidity sensor and the temperature sensor with pure water Remove the outer cylinder of the electrical conductivity cell and t...

Page 190: ...of the electrical conductivity cell thoroughly with pure water Cleaning with neutral detergent Wipe the tip of cell with a soft cloth such as gauze dampened with dish wash detergent and rinse with pur...

Page 191: ...module counterclockwise looking from bottom to remove Washing electrode tip Rinse the electrode tip with pure water and dry gently with tissue paper Pure water Dissolved oxygen electrode Wash bottle w...

Page 192: ...cleanser and sponge to polish the electrode surface gently until it shines in silver After polishing rinse off the dirt and the remaining cleanser thoroughly with pure water IMPORTANT Do not over pol...

Page 193: ...where there is a risk of ingress by chemicals or water Install the electrode and the dummy cap correctly to the sensor module Incorrect installation might causes water leak 1 Replacing the internal s...

Page 194: ...them out Insert only the tip of nozzle in the inlet and do not push the syringe against the inlet 2 Replacement of the liquid junction section If the liquid junction section becomes dirty or discolor...

Page 195: ...glass electrode tip Turn the protective cover of the glass electrode tip counterclockwise looking from the bottom to remove it Removing glass electrode tip Hold the bottom of the glass electrode tip c...

Page 196: ...ke sure the instrument is turned off Loosen the electrode fixing nut of the pH electrode by pressing firmly and turning the special spanner counterclockwise looking from the bottom Removing pH electro...

Page 197: ...ference electrode gel Internal liquid Reference electrode Refilling tap or plug pH electrode glass electrode tip reference electrode Checking internal solution is filled Applying silicon grease to O r...

Page 198: ...e Insert the pH electrode with new reference electrode mounted to the mounting hole indicated with a and align the thread by turning slightly and push in Tightening electrode fixing nut Turn the elect...

Page 199: ...are hands Prior to inserting the dissolved oxygen electrode into the sensor module always discharge the static electricity from your body After insertion into the sensor module and during maintenance...

Page 200: ...cylinder of dissolved oxygen electrode counterclockwise looking from the bottom to remove it If it is not removed easily loosen it with the special spanner Discarding electrolyte Discard the electrol...

Page 201: ...old electrolyte is alkali It is weak and almost non hazardous but be careful not to let it get in your eyes IMPORTANT Pour gently so as not to introduce air bubbles After filling it up check visually...

Page 202: ...lectrode Pulling out used dissolved oxygen electrode After the electrode fixing nut is loosened enough pull out the used dissolved oxygen electrode Installing new electrode Follow the procedure below...

Page 203: ...differs between the AA alkali dry cell and the AA rechargeable nickel hydrogen battery use it as a reference only c The clock stops while replacing battery so reset the clock when completed 5 4 Date a...

Page 204: ...or the I O cover If water or chemicals enter the internal parts of the product it may cause an electric shock or a fire Waterproofing The waterproof structure IP67 for the instrument unit functions o...

Page 205: ...t StandbyScreen d Note that it automatically returns to the Standby Screen after couple of seconds in case of the error number 02 12 33and43 List of error message Error Number Details Cause Action 01...

Page 206: ...rtthepHelectrodecorrectlyinthestandard solution 6 1 CalibrationofpH Notenoughreferenceinternal solutionorchangein concentration Replenishorreplacetheinternalsolution 9 2 TakingcareofpHelectrode 9 5 Re...

Page 207: ...electrodes ThepHelectrodeisdirty CleanthepHelectrode 9 2 Takingcareof pHelectrode WearordamageonthepH electrode ReplacethepHelectrode 9 5 Replacement ofeachpartofpHelectrodes 25 ToomanypH calibrationp...

Page 208: ...lution Electricalconductivitycellis notcorrectlysubmergedinthe calibrationsolution Inserttheelectricalconductivitycellsubmergedto thecalibrationsolutioncorrectly 6 3 CalibrationofElectricalConductivit...

Page 209: ...gen electrode Cleanthedetectionelectrodeplane 9 4 3 Takingcareofdirtycathodesurfaces Thedissolvedoxygenelectrode isdirty Cleanthedissolvedoxygenelectrode 9 4 Takingcareofthedissolvedoxygenelectrode op...

Page 210: ...ctrolyte 9 6 1 Replacement ofdissolvedoxygenelectrodeelectrolyteand diaphragmset Dirtydetectionelectrodeplane ofdissolvedelectrode Cleanthedetectionelectrodeplane 9 4 3 Takingcareofdirtycathodesurface...

Page 211: ...Connect the AC adapter optional item correctly The screen freezes It is in the hold state Cancel the hold state Sensor module or electrode in not correctly connected Connect the electrode of sensor mo...

Page 212: ...tion 6 3 Calibration of Electrical Conductivity and 6 5 Calibration of Dissolved Oxygen optional The SS substance suspended solids such as deposits are mixed in the specimen solution Causes unstable m...

Page 213: ...urbidity sensor or the electrical conductivity cell 9 3 Taking care of turbidity sensors electrical conductivity cells and temperature sensors Sensor module or electrode is not correctly connected Con...

Page 214: ...or is not connected correctly Damaged turbidity sensor Please contact the sales agency you purchased the product or the nearest office of Toa DKK The test water is clearer than the zero calibrated wat...

Page 215: ...operation can not be restored after the following system reset take out the battery with the power turned on ON and wait for a while and put back the battery Electrical restart can restore the normal...

Page 216: ...r If you are using the AC adapter optional pull it out from the power socket Waterproofing The waterproof structure IP67 for the instrument unit functions only with the sensor module the battery cover...

Page 217: ...micals enter the internal parts of the product it may cause an electric shock or a fire When out of use for long periods of time be sure to remove the AA alkaline dry cell batteries or the AA type rec...

Page 218: ...Contact your local municipal agency for details Explosion rupture Do not place the product and the battery in a fire or attempt to burn it There is a risk of explosion or rupture Disposal This product...

Page 219: ...art 7313440K 1 Special tool spanner 6728000 1 Protective cylinder 73133200 1 Made in resin Silicon grease 141D002 1 Battery We don t provide the battery Please purchase the commercially available AA a...

Page 220: ...name Model name Code No Unit of sales Note C solution for electrical conductivity cell self checking 0BI00001 1 100mL 4 List of dissolved oxygen standard solution Item name Model name Code No Unit of...

Page 221: ...ting cable 118N062 1 For connecting PC cable length 2m Data recording software 2 GP LOG 1 Loads data to PC in CSV format Submersible stirrer 7358340K 1 Packing for batter lid 71535500 1 Packing for ba...

Page 222: ...221 Revision History Instruction manual No WQC LB16300E 26 04 2017 HS New Version in English RSLTanaka Ito Print size B5 Original size A4 Perfect bind RSL...

Page 223: ...Head Office Address 29 10 1 Chome Takadanobaba Shinjuku Ku Tokyo 169 8648 Japan Telephone 81 3 3202 0225 Facsimile 81 3 3202 5685 URL http www toadkk co jp...

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DKK-TOA WQC-30, Instruction Manual

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