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The analyzer can store up to 3500 readings (at least 7 days at
3 minutes sampling interval), that are available for consulting
or downloading.

The PCA 311-331 analyzers can be monitored or controlled
through RS485 or GSM network connection.

Errors, alarms and warnings are sent through SMS (using GSM
module

HI 504900

The analyzer state can be interrogated by a simple call using
GSM phone.

Time is displayed on the main panel and a time related
warning system for “Old calibration” “Reagent expired” and
“SIM expired” is available.

The language for user interface can be easily changed without
restarting the analyzer.

MECHANICAL DIMENSIONS

Case dimensions in mm & inches

254

304.8

338.3

389.1

374.8

254

393.7

367.1

209.8

83.1

13.32"

10"

12"

15.32"

3.27"

8.26"

14.76"

15.5"

10"

14.45"

FRONT VIEW

SIDE VIEW

REAR VIEW

Содержание PCA 311

Страница 1: ...1 Instruction Manual PCA 311 PCA 321 PCA 331 Bromine pH Temperature ORP Analyzers www hannainst com ...

Страница 2: ...friendly interface serial communication through RS485 recorder output 4 20mA dosing output Nema 4X enclosure The ordering code for bromine analyzers is PCA 3a1 b a 1 Bromine analyzer 2 Bromine pH and Temperature analyzer 3 Bromine pH Temperature and ORP analyzer b 1 115V AC 50 60Hz 2 220V AC 50 60Hz Please read this instruction manual carefully before using the instrument It will provide you the n...

Страница 3: ...ement 17 INITIAL PREPARATION AND INSTALLATION 18 Installation Personnel 18 Location of the Instrument 18 Hydraulic Connections 18 Installing the Input Filter 19 Installing the pH and ORP probes 20 Installing the Pump Tubes 21 Electrical Connections 22 STARTUP 26 USER INTERFACE 27 Panels organization 27 Main panels 27 Measure panels 28 Messages 29 Menu mode 29 Password procedure 29 Navigating throu...

Страница 4: ...nging 36 Measure settings 37 Measure info 37 Analog output 37 Bromine dosing 38 Alarms 39 CALIBRATE THE MEASURING CELL 40 Calibration date and factor 40 Calibration procedure 40 pH SETTINGS PCA 321 PCA 331 41 Measure info 41 Analog output 42 pH dosing 42 Alarms 44 pH CALIBRATION PCA 321 PCA 331 44 One point calibration 45 Two points calibration 46 Process pH calibration 46 Set default calibration ...

Страница 5: ...ange 54 SYSTEM LOG 55 Set log 55 Clear system log 55 View log 55 SERIAL COMMUNICATION 57 Standard mode 57 GSM 58 GSM mode 58 Setting the GSM feature 58 GSM connection 59 Setting SMS feature 60 Modem connection 64 MAINTENANCE 65 Electrode conditioning and maintenance 66 Changing peristaltic pump tubing 68 Tubing replacement 69 Cleaning measurement cell 69 Cell Cleaning Procedure 70 ERRORS ALARMS AN...

Страница 6: ...e solution other than water is used with these products test the sample product compatibility to assure user safety and proper product performance Safety Precautions Please take the time to read the safety precautions carefully wherever they appear in this manual They are provided to prevent personal injury and damage to the instrument This safety information applies to the operators and service p...

Страница 7: ...nverted to bromine concentration in mg L which is displayed on the front panel Indicator and buffer reagent bottles are placed directly into the instrument case With a sampling period of 5 minutes reagents need to be replenished about once a month The reagent bottles are easily visible through the transparent window allowing the operator to check the reagent levels PCA 321 and PCA 331 analyzers us...

Страница 8: ...r proportional dosing The proportional dosing factor 1 delta is user selectable with a delta between 0 1 and 2 pH The on off dosing hysteresis is user selectable between 0 05 and 2 00 pH pH dosing system controls a SPST relay Each pH alarm can be enabled or disabled For temperature and ORP two alarm levels can be set by the user Each temperature or ORP alarm can be enabled or disabled Alarm condit...

Страница 9: ...00 The analyzer state can be interrogated by a simple call using GSM phone Time is displayed on the main panel and a time related warning system for Old calibration Reagent expired and SIM expired is available The language for user interface can be easily changed without restarting the analyzer MECHANICAL DIMENSIONS Case dimensions in mm inches 254 304 8 338 3 389 1 374 8 254 393 7 367 1 209 8 83 ...

Страница 10: ... Drain Tube 9 Output Port 10 Drain Port Valve 11 Drain Port of Measuring Cell 12 Sample Tubing 13 Buffer Bottle 14 Pressure Regulator Output Port 15 Incoming Pressure Regulator 16 Indicator Bottle 17 Sample Inlet Port 18 pH Electrode not included 19 Electrodes Holder 20 Sample Output Port 21 Electrovalve 22 ORP Electrode not included 23 Reagent Tubing 24 Line Input ...

Страница 11: ...he up and down arrow keys The PCA 311 do not have the main mode for the display 1 measured values 2 controller status 3 current time and date 4 message line The display is in bromine pH ORP or temperature measuring panels mode when displays one of those values and secondary information related to it Several panels with different secondary information could be selected by pressing the up or down ar...

Страница 12: ...romine dosing relay When dosing stops the LED is turned off DOSING ACID ALK LED green signals the closing of the acid alkali dosing relay When dosing stops the LED is turned off PCA 321 and PCA 331 only SYSTEM ERROR LED red signals the presence of an error and the closing of the System error relay When the error is present the LED blinks When in STANDBY mode the led is on but not blinking For PCA ...

Страница 13: ...lect an item to edit or select the current digit for editing MENU enter in menu mode CFM confirm the selected menu and edited values SET starts editing the selected item ESC return to the previous menu exit from operation without saving SET ESC CFM MENU ...

Страница 14: ...U S A E M H p 1 3 3 A C P d n a 1 2 3 A C P G N I S O D D N A T N E M E R U S A E M H p 1 3 3 A C P d n a 1 2 3 A C P G N I S O D D N A T N E M E R U S A E M H p 1 3 3 A C P d n a 1 2 3 A C P G N I S O D D N A T N E M E R U S A E M H p 1 3 3 A C P d n a 1 2 3 A C P G N I S O D D N A T N E M E R U S A E M H p e g n a R H p 0 0 4 1 o t 0 0 0 n o i t u l o s e R H p 1 0 0 y c a r u c c A H p 5 0 0 n ...

Страница 15: ... a p e s c i n a v l a g 5 8 4 S R e t a r d u a B s p b 0 0 6 9 0 0 8 4 0 0 4 2 0 0 2 1 y a l p s i D s r e t c a r a h c 0 2 x s e n i l 4 D C L r e t c a r a h c s e g a u g n a L e s e u g u t r o P h s i n a p S n a i l a t I h s i l g n E g o L s d r o c e r g o l 0 0 5 3 m r a l a M S G S M S g n i n r a w S M S o f n i S M S m r a l a s r e b m u n 2 y a l e r m r a l A V 0 3 2 A 5 T D P S...

Страница 16: ...lenoid input valve is open to allow sample flow to flush the colorimeter cell Every 3 to 90 minutes user selectable the electrovalve closes stopping the sample flow and leaving the sample cell full of fresh sample Cell volume is controlled by an overflow gateway As the sample inlet electrovalve closes a series of measurements withLEDonandoff oftheunreactedsampleistakentodetermine an average blank ...

Страница 17: ...out port a potential proportional with the pH The temperature is measured with PT100 platinum sensor For increased accuracy the pH is corrected with temperature and with the calibration coefficients Up to 2 buffers can be used for calibration The temperature can be displayed in C or F The probe can withstand pressure up to 6 bar 87 psi ORP MEASUREMENT The HI 2008 probe provides at the out port a p...

Страница 18: ...ors out of direct sun light Instrument operating temperature is 5 to 40 C 41 to 104 F Sampling Point Location Locate the sampling point to obtain a truly representative sample from the product stream For example be sure the sampling point is well downstream from a Bromine and acid alkali feed This assures that adequate mixing and reaction of the Bromine and acid alkali before a sample is extracted...

Страница 19: ...e barb on the bottom of the instrument enclosure An air gap between the end of the drain hose and the drain is recommended to prevent any back flow into the instrument in the event of drain blockage Return Line Installation The return hose fitting is a 12 mm 1 2 hose barb on the bottom of the regulator output port and should always be connected even when pressure is below 1 bar ...

Страница 20: ...INDICATOR SOLUTION R S R S ETICPCA30A ETICPCA30A Contents p Toluenesulfonic Acid 6192 52 5 Water 7732 18 5 Contents p Toluenesulfonic Acid 6192 52 5 Water 7732 18 5 FOR LABORATORY AND INDUSTRIAL USE ONLY DO NOT FREEZE STORE AT ROOM TEMPERATURE KEEP CONTAINER TIGHTLY CLOSED FOR LABORATORY AND INDUSTRIAL USE ONLY DO NOT FREEZE STORE AT ROOM TEMPERATURE KEEP CONTAINER TIGHTLY CLOSED PCA 301 REAGENTS ...

Страница 21: ...from the shorter end section behind the pump rollers from the right side of the pump Seat the plastic collar at the right end of the center sec tion of tubing into the lower right indentation hole of the pump face Grasp the other plastic collar and pull stretching the center section and place the grommet in the lower left indentation hole Repeat this process with the second pump tube placing it in...

Страница 22: ... Connect the longer tube ends on the left side of the pump to the reagent bottle cap insert fitting Connect the short ends in the right side of the pump to the measuring cell re agentinputport throughthe Y connector ELECTRICAL CONNECTIONS A power cable 3 mt is provided with your analyzer However if access to the terminal block is required see below Warning Electrical connections should be installe...

Страница 23: ...tighten the grommet nut See the picture below for proper wire connections Recorder Output and Relay Access Hard wiring for alarms and relays recorder output and serial communicationcanbeaccomplishedthroughfourwatertightcon nectors on the left side of the enclosure by passing wires through the rubber grommet and tightening the nut as described earlier Refer to the drawings for proper wire connectio...

Страница 24: ...ld notify maintenance personnel for investigation of the problem Note Whenthemeterisinalarmmodeorinsystemerrormode theuser could directly view the alarm or error description on the display If GSM transmitter is installed and GSM mode is selected the alarms and errors are sent as SMS message The System error relay is power fail safe and is closed when the analyzer is not powered Bromine Dosing Rela...

Страница 25: ...up uses a twisted pair shielded cable The shield should be connected to the terminal at the instrument end and left open at the recorder end To operate with this hookup the following conditions are required at the recorder end The input to the recorder must be isolated from the chassis ground earth of the recorder If the recorder has more than one input they must be differential inputs Several typ...

Страница 26: ...nt will display at startup PCA 311 PCA 321 or PCA 331 After initialization the analyzer will show the main panel or bromine measuring panel for PCA 311 The measured values are displayed The bromine concentration will be updated only after a full measuring cycle The first reading is 0 0 mg L and the dosing relay is not active After the first bromine concentration is measured and displayed the bromi...

Страница 27: ...ture but without the ORP measurement panels PCA 311 has only the bromine measurement panels Pressing UP and DOWN arrow keys will move inside loop in a circular way after last panel the first panel is displayed Pressing CFM to move from main panels to measurement panels Pressing ESC to move from measurement panels to main panels MAIN PANELS At startup the display shows one of the main panels This p...

Страница 28: ... visibility The measure panels contains 1 the measured value bromine pH ORP or temperature 2 the measurement units mg L pH mV C or F 3 the current time in format HH MM 4 error or alarm indicator 5 information about the operating mode 6 warnings alarms and errors displayed one at a time 7 the last row displays less important information Maximum and minimum value Sampling time Reagent doses left Ala...

Страница 29: ...de the corresponding sign or disappears When at least one alarm is active the Alarm appears in the right side of the display The ALARM LED will start to blink When errors or both errors and alarms are active Error appears in the right side of the display The SYSTEM ERROR LED will blink The MANUAL or STANDBY information is displayed on the first line of the LCD MENU MODE By pressing MENU key the an...

Страница 30: ...played on the first or last line of the display As a general rule the CFM key will descend into menu and ESC key will return to a higher level Pressing CFM will make the following actions descend into the sub menu for sub menu line no action for parameter line start the function for function line Pressing ESC will make the following actions Return in measure mode when in the main menu Return in th...

Страница 31: ... save the value or press ESC to end the editing without saving the value For many numeric values on a row In this case the cursor will go to the first digit of the first parameter The cursor will blink but no black square will be displayed Select the parameter to be edited by pressing RIGHT or LEFT arrow keys To edit the parameter press SET key again and the black square alternating with the first...

Страница 32: ...pears when CFM is pressed This panel contains the parameter limits Pressing again CFM or ESC will return to the edit mode PROGRAMMING THE ANALYZER The parameters are stored in a nonvolatile EEPROM memory If a power failure appears the settings are restored after power on When power is first time applied to PCA 311 331 analyzers the parameters are set to factory default values ...

Страница 33: ...ct the new language After pressing CFM key the new language is loaded ANALYZER SERIAL NUMBER AND SOFTWARE VERSION The unique serial number can be viewed by selecting the General Menu System Functions Serial Nr Serial number is not editable The software version is displayed each time the analyzer is turned on and lasts during the initialization phase TIME AND DATE The PCA 311 331 analyzers have a b...

Страница 34: ...ement mode The bromine pH ORP and temperature displayed values will be all time the last measured ones The SYSTEM ERROR LED is always on no blinking Note When the analyzer exit from STANDBY the relays and corre sponding LED s are activated only after a new value is read MANUAL MODE For testing maintenances and setup purposes the analyzer has the possibility to use direct manual commands In this op...

Страница 35: ... dark value is displayed To display the blank reading activate the General Menu System Functions Blank Read function After confirmation the blank value is displayed If the cell work correctly the values must be between 20000 and 20000 with a minimum difference blank dark of 20000 converter points SYSTEM ERROR RELAY The PCA321 331 controller has a single system error relay for all measured paramete...

Страница 36: ...f needed or simply reset the reagent counter The used reagent doses and the remaining reagent doses could be viewed on the first two lines when enter in Bromine Menu Reagent change If Bromine Menu Reagent change Reset Reag Counter function is selected and confirmed the used doses become 0 and the remaining doses become 16000 This command does not perform a priming of the reagent pump If Bromine Me...

Страница 37: ... maximum and minimum can be quickly consulted on bromine measuring panel To see information about these values select Bromine Menu Measure Info The time stamp when maximum and minimum appears are also displayed in this menu To reset the maximum or minimum values select the functions Bromine Menu Measure Info Clear Max Value or Bromine Menu Measure Info Clear Min Value The maximum or minimum value ...

Страница 38: ...lled and consistent concen tration level The analyzer has a relay for bromine dosing and also the 4 20 mA output could be configured as a dosing output The equation for determining the time for relay on is dosing time set value measuredvalue Period Delta The analog output will have the value analog output mA 4 16 dosing time Period mA Note If the measured concentration is lower than setpoint minus...

Страница 39: ...o enable this feature edit Bromine Menu Dosing control Br Low Point value and set the Low Point status as Active The allowed value is 0 0 to 2 0 mg L OVERDOSING PROTECTION To prevent overdosing a Detector Error is generated if the dosing command is on for the Max ON time and the read value is changing less than 0 1 mg L The chlorine dosing is stopped and the SYSTEM ERROR LED starts blinking The do...

Страница 40: ...tion factor could be reset to 1 000 by activating the Bromine menu Cal Measuring Cell Reset Cal Factor function CALIBRATION PROCEDURE To calibrate the measuring cell follow the steps Withdraw a sample of the measured liquid directly from the drain port of the measuring cell 11 by opening its valve 10 see figure on page 10 Note Withdraw the sample just before the electrovalve stops the liquid flow ...

Страница 41: ...cy outside an interval of 50 from the calibration value pH SETTINGS PCA 321 PCA 331 SettingsrelatedtopH measurement are grouped in pH Menu The follow ing options are available MEASURE INFO The analyzer calculates the maximum and minimum pH value since the first measurement The maximum and minimum can be quickly consulted on one pH measuring panel For more detailed information select pH Menu Measur...

Страница 42: ... for acid or alkali dosing and also the 4 20 mA output could be configured as a dosing output ToselectthetypeofpH dosing edit the pH Menu Dosing Control pH pH Control line The available options are Proportional and ON OFF The acid or alkali dosing is set in the pH Menu Dosing Control pH Dosing Type When Acid is selected the analyzer will dose when the pH value is higher than the setpoint and when ...

Страница 43: ...and Delta could be quickly consulted on one pH measuring panel ON OFF DOSING If this mode is selected the Period and Delta has no effect The algorithm will use only Setpoint and Hysteresis For alkaline dosing the relay will stay on until the pH increases to the set pointplushysteresisvalue thentherelaystaysoffuntil the pH decreases to a value equal to setpoint For acid dosing the relay will stay o...

Страница 44: ... ON value and set Max ON status as Active The allowed range is between 30 and 720 minutes ALARMS Two alarm setpoints are available for pH Alarm high and Alarm low The ALARM LED and relay are activated when the pH value is higher than Alarm high or lower than Alarm low To modify the alarms setpoints enter the Alarms pH menu and edit Alarm Hi value or Alarm Lo value The alarms can be separately acti...

Страница 45: ...eriod the Wait for stabi lize message is displayed Note If the read value calculated with the default offset and slope is different from the expected value with more than 1 15 pH i e offset 68mV the Wrong calib values message is displayed The message Wrong calib values appears also if the pH probe is defective or not connected The problem could be identified if the buffer set value is compared wit...

Страница 46: ...ility During this period the Wait for stabilize message is displayed When the reading becomes stable the instrument checks if the calculated slope is between 47 3 and 68 mV pH If the value is not within this range the message Wrong calib values is displayed In this case it is necessary to perform a cleaning procedure see Electrode conditioning and maintenance section or to replace the probe If the...

Страница 47: ...on could be terminated at any time by pressing ESC In this case the new calibration is not saved and the old one remains effective SET DEFAULT CALIBRATION When a new probe is connected or for any reason the current calibration is wrong and new calibration can not be performed the default calibration values could be set In this case the slope is set to 59 16 mV pH and the offset is set to 0 mV To a...

Страница 48: ...inimum can be quickly consulted on one temperature measuring panel For more detailed information select Temperature Menu Measure Info The Max Value and Min Value are displayed and also time stamp when maximum and mini mum occurs are dis played in this menu To reset the maximum or minimum values select the functions Temperature Menu Measure Info Clear Max value or Temperature Menu Measure Info Clea...

Страница 49: ...rm high or lower than Alarm low To modify the alarms setpoints enter the Temperature Menu Alarms Tempera ture and edit Alarm Hi or Alarm Lo value The alarms could be separately activated or inactivated To modify the alarms status enter the Temperature Menu Alarms Temperature menu and edit Alarm Hi or Alarm Lo status Note The Alarm high value must be greater than Alarm low value The analyzer displa...

Страница 50: ... minimum values select the functions ORP Menu Measure Info Clear Max Value or ORP Menu Measure Info Clear Min Value The maximum or minimum value is set to the current read value ANALOG OUTPUT The type of analog output could be set as described in Analog output chapter The analog output span for ORP could be set in the ORP Menu Analog output ORP Min Rec will set the recorder lower limit and Max Rec...

Страница 51: ...larms could be separately activated or inactivated To modify the alarms status enter ORP Menu Alarms ORP menu and edit Alarm Hi status or Alarm Lo status When the status is set to Inactive the alarm is ignored Note The Alarm high value must be greater than Alarm low value The analyzer display a warning if the settings are incorrect The Alarm high setpoint and Alarm low setpoint could be quickly co...

Страница 52: ... ORP and Temper options are available To select the analog output type edit the Type line The available options are 0 10mV 0 100mV 0 1V voltage outputs and 0 20 mA 4 20 mA current outputs DOSING THROUGH 4 20 mA OUTPUT Select General Menu Analog Output Type as Dosing to activate this feature The output become 4 20 mA current type proportional with pH or bromine regulator output The 4 mA correspond ...

Страница 53: ... Select Cal Analog Out Min and press Up and Down keys until the read value is equal with 0V Save the new coefficients by pressing CFM key To calibrate the current type analog outputs follow the steps Connect an ammeter to the pin 2 and 3 of the output connector Enter in menu mode and select General Menu Analog Output sub menu Select the analog output type to one current type 0 20mA or 4 20 mA Sele...

Страница 54: ...ly adjust a recorder offset the analog output could be set to middle range In this case the output is set to 5 mV 50 mV or 500 mV for 0 10mV 0 100mV or 0 1V output and to 12 mA or 10 mA for 4 20 mA or 0 20 mA output To activate this option select General Menu Analog Output Output Middle Range function and press CFM key The analyzer will display Recorder output is set to middle value Press ESC to e...

Страница 55: ...omine is set to 3 minutes and the log Br cycles is set to 5 a new record is stored at each 15 minutes 3 x 5 CLEAR SYSTEM LOG To erase the system log activate the function General Menu System Log Clear System Log VIEW LOG To consult the log select General Menu System Log The searching criteria for viewing the log could be set by ed iting the Search field The following options are available All all ...

Страница 56: ...arms 5 Errors field empty if no errors The double arrow sign is present on the bottom line if the log continues outside the display Pressing UP or DOWN arrow keys scroll the log with one record up or down Pressing longer time one of those keys will scroll with one page at a time 4 records Pressing CFM when a record is highlighted the record content will be displayed in details The display contains...

Страница 57: ...h connection with the PC the baud rate the RS485 address and the password must be matched between the application and PCA 311 331 analyzer The baud rate is set in the General Menu Serial GSM Comm Baud Rate menu Available values are 1200 2400 4800 9600 bps Analyzer address is set in the Address line and could be between 0 and 32 Note If many analyzers are connected in a RS485 network each analyzer ...

Страница 58: ...Info SMS which contains the Bromine pH ORP and Temperature readings Analyzer s error status and settings are also included as selected by the user from General Menu SMS Settings Warning SMS which contains information about the SIM card credit The settings related to GSM are grouped in General Menu Serial GSM Comm SETTING THE GSM FEATURE To use the SMS feature a SIM card able to make voice calls mu...

Страница 59: ...to Inactive then no SMS will be sent even if the phone numbers are active The number of repeated alarm SMS s could be set in the field RepeatNo The range is between 0 and 5 If RepeatNo is set to 0 than only one SMS is sent The delay between two repeated SMSs is set in the Delay item The range is between 5 and 60 minutes If the RepeatNo is 0 this parameter has no effect GSM CONNECTION After the cor...

Страница 60: ... and errors will generate an alarm SMS When alarm SMS is sent all current alarms and errors are sent even if are not the ones that initiate the SMS To customize the info SMS two options are available Errors when active will include in the info SMS all alarms and errors currently active on the analyzer Set when active will include in the info SMS alarm and dosing setpoints Alarm SMS When errors or ...

Страница 61: ...messages could be set on the Delay line Note A remote connection will cancel the confirmation waiting Also the analyzer events occurred during a remote connection will not generate any alarm SMS even after the remote connec tion ends Example of alarm SMS Temp Err L Ph H Temp Pwr rst see Errors Alarms and Warnings chapter for details Info SMS When the instrument receives a phone call coming from on...

Страница 62: ... SMS 321 Warning SMS The information about SIM charge and expiration date are not saved in the SIM card but are managed by the network operator the analyzer can not get directly the information To prevent an unnoticed discharge of the SIM card the user has to configure manually accordingly with the credit stored on the SIM card the maximum number of SMS s that can be sent The item is Remaining SMS...

Страница 63: ...y before the expiration date Note This particular warning message does not need confirmation In this case the user has to recharge or substitute the SIM card The sending of the repeated warning messages will be reset when the expiration date is changed If the expiration date is reached without any updating of the expired date then the message GSM Card expired appears on the display and no more SMS...

Страница 64: ...used in HI 504900 GSM module To enable the answer to data request the item Remote from General Menu Serial GSM com must be set Active To make the data transfer between PCA 311 331 and remote PC HI 92500 software must be installed on the PC and mo dem must be connected between PC and phone line The baud rate the password and the RS485 address must the same on PCA and on PC application Note If the P...

Страница 65: ...an detect leaks pump tubing fatigue or breakage These periodic checks help ensure reliable analyzer performance PCA311 331analyzerswarningtheuserwhenthereagentslevel reaches approximately 20 with the Low reagent message Working at maximum capacity 3 minutes sampling rate the analyzers can operate for 1 5 more days The alarm system is based on an internal counter that has to be reset every time the...

Страница 66: ...l the solution is in contact with the metal ring and stirr gently for 30 seconds The reading must be near 7 01 pH Repeat the operation for pH 4 01 solution HI 7004 The difference from the previous reading must be near 3 pH Storage To minimize clogging and assure a quick response time the glass bulb and the junction should be kept moist and not allowed to dry out This can be achieved by installing ...

Страница 67: ...n could be due to clogged or dirty junction refer to the Cleaning Procedure above Dry Membrane Junction soak in Storage Solution HI 70300 for at least 1 hour Check to make sure the installation is such as to create a well for the probe bulb to constantly remain moist Drifting soak the probe tip in warm Hanna Solution HI 7082 for one hour and rinse tip with distilled water Low Slope refer to the cl...

Страница 68: ...event contact with reagent chemicals Read MSDS documents before proceeding Grasp the plastic collar of one pump tube and pull the fitting away from the pump toward the front of the case until it clears the retaining indentation Then move the fitting sideways from the pump until the tube clears the slot Release the tube and fitting The fitting on the other end of the pump tube may now be easily rem...

Страница 69: ... Whentheautomatic dirt compensation system detect the deposits presence the analyzer will show Dirty cell message The measurement could continue but cleaning is recommended to avoid deposits that are harder to clean Thorough cleaning with a dilute acid solution and a cotton swab is recommended monthly Depending on sample conditions at individual locations and absence of input filters it may be nec...

Страница 70: ...ell from its support by using hexagonal wrench Put the new cell in its place and screw it in position Take care to position the electrical cable first Reconnect the electrical wires and the pneumatic circuit as it was at the dismounted cell Power on the PCA 311 331 analyzer Go to menu mode Bromine Menu Cal measuring Cell and start the Calibration Blank function Confirm by pressing CFM when asked S...

Страница 71: ...ESSAGES No Reagent on LCD and No Reag on SMS The reagent counter reached 0 Change the reagent bottle and reset the reagent counter Hardware Error on LCD and Hw Err on SMS Error on the hardware Call Hanna service Detector Error on LCD and Det Err on SMS The light source or light detector not working or the detector is too dirty the reading is under Low Point value Clean cell replace the cell observ...

Страница 72: ... stabilize the value Low pH on LCD and L pH on SMS The pH is under the Alarm Low setpoint Change the setpoint verify the pH dosing wait for PCA to adjust the value High ORP on LCD and H ORP on SMS The ORP is over the Alarm High setpoint Change the setpoint verify the ORP probe Low ORP on LCD and L ORP on SMS The ORP is under the Alarm Low setpoint Change the setpoint verify the ORP probe High Temp...

Страница 73: ...ialized Wait for auto retry Verify other messages related to GSM GSM Card Expired appears on LCD The SIM expiration date is reached Recharge the SIM card and change the expiration date or set the Chk Charge inactive GSM No Credit appears on LCD The number of remaining SMS is 0 Recharge the SIM card and change the Remaining SMS value or set the Chk Charge inactive GSM Not Respond appears on LCD The...

Страница 74: ... temperature process probe HI 2008 ORP process probe HI 504900 GSM transmitter HI 704731 CompletesetoftubesfrompressureregulatortodrainPCA311 HI 704732 CompletesetoftubesfromelectrodeholdertodrainPCA321 331 HI 70474 Peristaltic pump tube 6 pcs HI 70475 Peristaltic pump tube 2 pcs HI 70476 Reagent bottle inside tube 6 pcs HI 70477 Y strainer and the tube from Y strainer to cell 6 pcs HI 70478 Tube ...

Страница 75: ...ion 230 or 500 mL bottle HI 7091M or HI 7091L Pretreatment Reducing Solution 230 or 460 mL bottle HI 7092M or HI 7092L Pretreatment Oxidizing Solution 230 or 460 mL bottle Electrode Storage Solutions HI 70300M or HI 70300L Storage Solution 230 or 460 mL bottle HI 7082 3 5M KCl Electrolyte 4x50 mL Electrode Cleaning Solutions HI 7061M or HI 7061L General Cleaning Solution 230 or 460 mL bottle HI 70...

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