Hach POLYMETRON 8362 User Manual
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Hach POLYMETRON 8362 User Manual

Ph measurement
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DOC024.52.93025
POLYMETRON Model 8362 pH
Measurement
User Manual
05/2015, Edition 11

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  • Page 1 DOC024.52.93025 POLYMETRON Model 8362 pH Measurement User Manual 05/2015, Edition 11...
  • Page 3 Currently, monitoring and control instruments do not fall within the scope of the RoHS Directive, however Hach Lange has taken the decision to adopt the recommendations in the Directive as the target for all future product design and component purchasing.

  • Page 4: Hach Lange

    - 2006/95/EC Low Voltage Directive Warning ! There are no user-serviceable parts in either the transmitter or sensor. Only Hach Lange personnel or their authorized representative should attempt repair of the system and only components expressly approved by the manufacturer should be used. Any attempt to repair the instrument in contradiction of these guidelines may result in damage to the instrument and injury to the person making the repair.

  • Page 5: Table Of Contents

    Transmitter 9135 - pH measurement in pure water Table of contents Hach Lange ........................2 Table of contents ......................1 1. General description of the system for pH measurement in pure water .... 3 Presentation of the 9135 transmitter ................ 3 Introduction .......................
  • Page 6 Transmitter 9135 - pH measurement in pure water Temperature calibration ................36 Calibration proceedings example ................37 Manual calibration, automatic temperature compensation mode ..... 37 Buffer 1 ...................... 37 Buffer 2 ...................... 38 PARAMETERS Menu ..................... 40 HISTORIC Menu ..................... 40 MAINTENANCE Menu ....................

  • Page 7: General Description Of The System For Ph Measurement In Pure Water

    Transmitter 9135 - pH measurement in pure water General description of the system for pH measurement in pure water Presentation of the 9135 transmitter The 9135 pH transmitter and associated measuring sensors has been designed for measuring and continuous control of pH or redox potential (with possibility of temperature measurement) in industrial process.

  • Page 8: Introduction

    Transmitter 9135 - pH measurement in pure water Introduction PH Measurement Theory pH is the negative logarithm of the hydrogen ion activity and a measure of the acidity, or alkalinity of a solution. pH = -log a [H+] pH is normally measured using a glass electrode and a reference electrode.
  • Page 9 Transmitter 9135 - pH measurement in pure water where : the emf of the cell Eo = the zero potential (isopotential) of the system : depends on the internal construction of the glass and reference electrodes gas constant temperature in Kelvin a[H+] = activity of the hydrogen ion (assumed to be equivalent to the concentration of hydrogen ions)

  • Page 10: Description Of The System For Ph Measurement In Pure Water

    Transmitter 9135 - pH measurement in pure water Description of the system for pH measurement in pure water The probe 8362 is constituted of the following elements: 1. pH Electrode (unpluggable) 2. Temperature sensor (unpluggable) 3. U-bolt 4. Earth 5. Retaining nut for the chamber 6.

  • Page 11: Characteristics

    Transmitter 9135 - pH measurement in pure water This high purity water pH sensor is specially designed for continuous in-stream pH measurement of pure and ultra-pure water. It uses a reference electrode very similar to the measuring electrode (combined concentric electrode) in order to minimise the impedance under which the measurement is carried out.
  • Page 12 Transmitter 9135 - pH measurement in pure water MEASURE Display range 0 ... 14 pH (possibility to measure up to -3 pH) -1500 mV..1500 mV -20 °C ... 200°C (-4 °F...392 °F) Display resolution 0.01 pH / 0.1 pH (adjustable) 1 mV 0.1 °C Measurement range...
  • Page 13 Transmitter 9135 - pH measurement in pure water CONTROLLER Setpoint programmable range 0... -1500..+1500 mV programmable from 0...3 pH or 0... 200 mV symetric Neutral zone around the regulating point Proportional band programmable from 0...500 % Periodicity programmable from 3..60 seconds (impulse control) or from 1 à...
  • Page 14 Transmitter 9135 - pH measurement in pure water Breaking power 250 V AC, 5A max (ohmic overcharge) 100 V DC, 0,7A max Use a cable (rated 105°C and AWG22 to 14). The external cable insulation should be cut as close as possible from the terminal block.
  • Page 15 Transmitter 9135 - pH measurement in pure water European standards EN 61326 – 1 (Industrial level for immunity) EN 61010 – 1 (low tension main lines) UL and CSA agreement ETL 3152732 EMC conformity MECHANICAL CHARACTERISTICS Dimensions 144 x 144 x 150 mm Weight 2 Kg (transmitter) + 0,9 kg (probe 8362) Material...

  • Page 17: Installation Of The Chain For Measuring Ph In Pure Water

    Transmitter 9135 - pH measurement in pure water Installation of the chain for measuring pH in pure water Unpacking the 9135 transmitter and the 8362 probe Inspect the package at the reception to detect an eventual damage due to the transport. Make sure the package contents are not damaged.

  • Page 18: Mounting Types

    Transmitter 9135 - pH measurement in pure water Mounting types 3 possibilities to mount the instrument (use of the red clamping bow) : The transmitter housing conforms to norm DIN 43700. Panel mounting: Panel cutting : 138 x 138 mm Front panel dimensions : 144 x 144 mm •...
  • Page 19 Transmitter 9135 - pH measurement in pure water Wall mounting : • ∅ 4 mm lg 60 flat head (not 2 screws provided)/ 80 mm center distance Fig. 2.2 Wall mounting Page 15...
  • Page 20 Transmitter 9135 - pH measurement in pure water Pipe mounting : • ∅ 2" maximum - 2 screws ∅ 4 mm lg 60 (provided) Fig. 2.3 Vertical mounting Fig. 2.4 Horizontal mounting Page 16...

  • Page 21: Electric Connections

    Transmitter 9135 - pH measurement in pure water Electric connections Electronic board lay-out in the 9135 transmitter enclosure ________________________________________________________________________ Fig. 3.1 Electronic board lay-out Terminal block 4-20 mA CPU board RS485 board (option) Relay board (option) pH module Programmed EEPROM Program update connector Power supply board Page 17...
  • Page 22 Transmitter 9135 - pH measurement in pure water ________________________________________________________________________ Fig. 3.2 9135 shielded plate Supply terminals blocks and relays are under the shielded plate. Note : Electrical connections should remain dry to ensure a proper operation of the instrument. Check the creeping of the cables when opening the transmitter.

  • Page 23: Main Connection

    Transmitter 9135 - pH measurement in pure water Main connection Electrical connection should be performed only by qualified personnel. The power supply accepts 100- 240 VAC ± 10 %, without changes in configuration. The terminal block for power connections can be lifted from its header for easier installation.

  • Page 25: Hydraulic Connection

    Transmitter 9135 - pH measurement in pure water Hydraulic connection Preparation of system measurement (Model 8362-1) • Unscrew the measure chamber. • Remove the pH bulb protector boot covering the pH bulb and rinse the bulb area with deionized water or pH buffer. Save the boot if the electrode will be stored.
  • Page 26 Transmitter 9135 - pH measurement in pure water Fig. 4.1 Measure system configuration AS9 Connector Temperature sensor U-bolt Earth terminal Retaining nut for the chamber Measurement chamber Electrodes support Sample in Sample out Label to record the sensor installation date Flat surface for wrench Notes : The liquid should circulate from right to left (see...

  • Page 27: Electrical Connection Of The Measurement System (Model 8362)

    Transmitter 9135 - pH measurement in pure water Electrical connection of the measurement system (Model 8362) Note : Check that the measuring cell earth terminal (No. 4 in Fig 4.1) is securely grounded. pH probe (before July 2013) Translucent rigid center wire = measuring pH White (long) internal shield = reference White (short) external shield = on the shield plate of the transmitter Page 23...
  • Page 28 Transmitter 9135 - pH measurement in pure water pH probe (after July 2013) Translucent rigid center wire = measuring pH Green internal shield = reference Yellow external shield = on the shield plate of the transmitter Temperature sensor Brown and white (long) wire = Pt100 White (short) external shield wire = must be connected on the transmitter side of the shield plate Note :...
  • Page 29 Transmitter 9135 - pH measurement in pure water 8362/9135 Links Sensor Connections Junction Box Links with 9135 Distance Sensor - 9135 3, 10, or 20m Not required 0-3, 10, or 20m (for pH and temperature sensor) 3, 10, or 20m 08350=A=8000 Low impedance cable with 20-100m...
  • Page 30 Transmitter 9135 - pH measurement in pure water Page 26...

  • Page 31: Using The 9135 Transmitter

    Transmitter 9135 - pH measurement in pure water Using the 9135 transmitter Utilization rules for the menus The user interface of the 9135 transmitter is made of a display screen and 4 keys. The (Esc) key is used to go back to the previous menu.

  • Page 32: Modification Of A Value

    Transmitter 9135 - pH measurement in pure water Modification of a value The highlighted digit may be modified with the key . Each digit can be validated by pressing ENTER. Repeat both operations for each digit. Note : If you do not use the display for at least 10 minutes, the instrument returns to the measuring mode except for the calibration and maintenance mode.

  • Page 33: Main Display

    Transmitter 9135 - pH measurement in pure water Main display 6.98 6.98 pH : pH measurement 25.0 °C : temperature measurement S1...S4 : alarm status (invisible if alarm inactive). 25.0°C Disp2 Menu Display 2 S1 : °C > 30.0 S1...S4 : alarm status S2 : OK S1 : activated by a temperature >...

  • Page 34: Display Options

    Transmitter 9135 - pH measurement in pure water Display options Choice of the language English is the default language. You can choose an MENU other language available (french, german, italian, CALIBRATION spanish or dutch) by following the procedure below : MAINTENANCE •...

  • Page 35: Configuration Of The 9135 Transmitter

    Transmitter 9135 - pH measurement in pure water Configuration of the 9135 transmitter MAIN menu The main menu gives access to 4 main functions of MENU the instrument : CALIBRATION • The CALIBRATION menu enables to adjust the MAINTENANCE instrument measurement according PROGRAMMING...

  • Page 36: Calibration Menu

    Transmitter 9135 - pH measurement in pure water CALIBRATION menu pH calibration In calibration mode, the temperature compensation of MENU electrodes occurs systematically CALIBRATION temperature compensation mode according to the Nernst law. The temperature measurement remains MAINTENANCE active. If the automatic temperature compensation is PROGRAMMING selected, immerse the Pt100/1000 in the calibration SERVICE...
  • Page 37 Transmitter 9135 - pH measurement in pure water DIN 9 Temp Buffer 4,00 Buffer 7,00 Buffer 9,00 4,05 7,13 9,24 4,04 7,07 9,16 4,02 7,05 9,11 4,01 7,02 9,05 4,01 6,98 8,95 4,01 6,98 8,91 4,01 6,96 8,88 4,01 6,85 8,85 4,01 8,82...

  • Page 38: Choice Of The Calibration Type

    Transmitter 9135 - pH measurement in pure water The temperature of the buffer solution needs to be entered only if the transmitter is operated in the manual temperature-compensation mode. In the « automatic calibration » mode the transmitter determines the pH value according to the temperature. In the other calibration modes, the nominal pH values must always be taken into account.

  • Page 39: Point Calibration

    Transmitter 9135 - pH measurement in pure water The user calibrates the pH measurement with 2 of the 3 standard buffers from the table chosen : − NIST 4.00, 6.88, 9.22 − DIN 9 : 4.00, 7.00, 9.00 − DIN 10 : 4.00, 7.00, 10.00 The user does not enter any value during calibration.

  • Page 40: Temperature Calibration

    Transmitter 9135 - pH measurement in pure water Temperature calibration To reach the temperature calibration screen, press the TEMP. CALIB. EXECUTION mode with ENTER. EXECUTION Once the measurement is stable, press OK. TEMP. CALIB. °C 4.2 pH You can change the temperature value since the TEMP.

  • Page 41: Calibration Proceedings Example

    Transmitter 9135 - pH measurement in pure water Calibration proceedings example Manual calibration, automatic temperature compensation mode Proceed as follows (refer also to Fig 6.1 on page 37): • Stop circulation of the sample. Buffer 1 • pH CALIB. Maintain the screw nut in position and unscrew the chamber (A).

  • Page 42: Buffer 2

    Transmitter 9135 - pH measurement in pure water Buffer 2 • pH CALIB. Maintain the screw nut in position and unscrew the chamber (A). BUFFER 2 • Empty out the water contained in the chamber, and rinse with demineralised water. Press •...
  • Page 43 Transmitter 9135 - pH measurement in pure water • Maintain the screw nut in position and unscrew the chamber (A). • Empty out the water contained in the chamber, and rinse with demineralised water. • Rinse carefully the electrodes with demineralised water.

  • Page 44: Parameters Menu

    Transmitter 9135 - pH measurement in pure water PARAMETERS Menu The date, slope and zero of the last calibration may PARAMETERS be displayed in the PARAMETERS menu. DATE : 26/03/96 SLOPE : 95% ZERO : 0,3 pH ΔT : 0,2°C HISTORIC Menu The slope and zero parameters of the last two HISTORIC...

  • Page 45: Programming Menu

    Transmitter 9135 - pH measurement in pure water PROGRAMMING Menu PROGRAMMING Note : MEASURE Warning ! An access code may be required if ALARMS programmed. CONTROLLER mA OUTPUTS RS485 This menu enables the configuration of the instrument Select according to its application. In this operating mode, the measurements, the analogue outputs and alarms remain active.

  • Page 46: S/Measure Menu

    Transmitter 9135 - pH measurement in pure water MEASURE S/MEASURE Menu ELECTRODE menu allows to set up the electrode ELECTRODE model. TEMP. COMP. : COMP. TEMP menu allows to set up the temperature compensation. Select ELECTRODE ELECTRODE TYPE : Choice of the electrode. Other ISO Pt : 1,5 pH •...
  • Page 47 Transmitter 9135 - pH measurement in pure water TEMP. COMP. TEMP. COMP. MAESURE : This menu allows to set up the temperature TYPE : Manual compensation. TEMP. : 20°C MEASURE : - No Choice temperature COMP. : Coeff. measurement with or without - Pt Δ.

  • Page 48: S/Ma Outputs Menu

    Transmitter 9135 - pH measurement in pure water S/mA OUTPUTS Menu mA OUTPUTS OUTPUT 1 This menu allows to adjust analogue outputs. OUTPUT 2 SPECIAL PROG. TEST Select OUTPUT 1/2 OUTPUT 1/2 AFFECT. : − AFFECT. : choice analogue output allocated measure TYPE : 0/20 mA...

  • Page 49: S/Special Prog. Menu

    Transmitter 9135 - pH measurement in pure water SPECIAL PROG. S/SPECIAL PROG. Menu MAINTENANCE This screen allow to adjust 4.20 mA outputs states in special events : CALIBRATION SYST. ALARM − MAINTENANCE TIMER − CALIBRATION Select − SYST. ALARM − TIMER −...

  • Page 50: S/Alarms Menu

    Transmitter 9135 - pH measurement in pure water S/ALARMS Menu ALARMS ALARM 1 This sub-menu allows to reach the configuration of alarms 1 to 4. ALARM 2 ALARM 3 ALARM 4 Select The MODE parameter allows to choose the operating ALARM 3 mode of the 4 alarms : Syst...
  • Page 51 Transmitter 9135 - pH measurement in pure water ALARM 1/2 (limit) − AFFECT. : choice of a limit on the measure or ALARM 1 the temperature. AFFECT. : Non °C/°F • LIMIT : 20.3°C • DIR : Up pH/mV • DELAY : 30s °C/°F HYST.
  • Page 52 Transmitter 9135 - pH measurement in pure water ALARM 3 (Alarm system) ALARM 3 − Choice of a limit on the measure or alarm system Syst MODE : Syst with alarm 3. ACCEPT. : Manu • MODE : RELAY : NO •...

  • Page 53: S/Controller Menu

    Transmitter 9135 - pH measurement in pure water S/CONTROLLER Menu built-in proportional controller, abbreviation controller P. The controller output Y activates the limit switch relays. Y value may correspond to a control by impulse or a control by frequency. The Y value is determined by the parameters below : •...
  • Page 54 Transmitter 9135 - pH measurement in pure water Different controller modes are available. They enable a frequency, a pulse or a mixed pulse/frequency control. Relay S1 (base injection) and relay S2 (acid injection) ensure the control. The controller parameters are programmable via the programming variables below.
  • Page 55 Transmitter 9135 - pH measurement in pure water Note : Any default detected by the transmitter stops the controller function. The default "CONTROL TOO LONG" should be manually released by pressing ENTER. If the TIMER and CONTROLLER functions are activated at the same time, the controller is stopped during the timer cycle.
  • Page 56 Transmitter 9135 - pH measurement in pure water S1 & S2 RELAYS RELAY S1 COEF.XP1 : 100% − Proportionality coefficient : slope of regulation : T1 : 2.00 s COEF.XP1/2 : XXX – In % MIN : 001 i/min − Value of the pulse width (0,1 <...
  • Page 57 Transmitter 9135 - pH measurement in pure water CONTROLLER CONTROLLER − CNTRLLR : Yes Regulation form select MODE : Imp. MODE : Pulse MODE : Pulse POINT : 7.00 pH NEUT Z. : 2.0 pH INERTIA : 000 s CTL TIME : 20 mn RELAY S1 RELAY S2 MANUAL MODE...

  • Page 58: S/Rs485 Menu

    Transmitter 9135 - pH measurement in pure water S/RS485 Menu This option requires the RS485 kit. RS485 N° Monec number (0...32) N° : 4 BAUD : 9600 BAUD 300/600/1200/2400/4800/9600/19200 PARITY : Odd Transmission speed in bauds STOP BIT : 1 WORD invs.

  • Page 59: Service Menu

    Transmitter 9135 - pH measurement in pure water SERVICE Menu SERVICE Note : IMPEDANCES An access code may be required if it has been AVERAGE programmed. DISPLAY CODE SOFT ISSUE DEFAULT VAL This screen allows to reach the 9135 transmitter configuration screens.

  • Page 60: S/Average Menu

    Transmitter 9135 - pH measurement in pure water S/AVERAGE Menu AVERAGE Program sliding average pH/redox AVERAGE : 9 measurement. TEST : AVERAGE : define the number of measures to TEST : calculate the average. Select TEST visualize the difference between a TEST measure done with or without average.

  • Page 61: S/Code Menu

    Transmitter 9135 - pH measurement in pure water S/CODE Menu CODE − CALIB. : 0000 CALIB. access code for "temperature and pH calibrations" menu. PROG. : 0000 SERVICE : 0000 − PROG. access code for "Programming" menu. Select − SERVICE : access code for "service"...

  • Page 62: S/Soft Issue Menu

    Transmitter 9135 - pH measurement in pure water S/SOFT ISSUE Menu VERSION The transmitter displays the type of instrument and the MONEC 9135 software version installed. pH X.XX S/DEFAULT/VALUES Menu DEFAULT/VAL. VAL./DEFAUT Chargement Loading Note : valeurs values  ! If you press YES, you load the default values and par défaut ? default ?

  • Page 63: S/Ma Adjust Menu

    Transmitter 9135 - pH measurement in pure water S/mA ADJUST Menu mA ADJUST This menu adjustment of the analogue outputs to OUTPUT 1 20 mA with internal coefficient between -9999...9999. OUTPUT 2 Select OUTPUT 1/2 VALUE : 0000 S/FACTORY Menu Factory code necessary.

  • Page 65: Failures Detection And Error Messages

    Transmitter 9135 - pH measurement in pure water Failures detection and error messages Failures detection Symptom Possible Remedy cause Reading out of Faulty Check the transmitter by connecting a scale transmitter pH simulator or a voltage generator instead of the electrode Faulty Check the electrode operation with electrode...

  • Page 66: Electrode Cleaning

    Transmitter 9135 - pH measurement in pure water Electrode cleaning Electrodes which mechanically undamaged, without any broken part, may be regenerated according to the instructions below : Salt deposits: Dissolve the deposit by immersing the electrode in 0.1 M from HCL during 5 minutes, following by an immersion of 5 minutes in a 0.1 M of NaOH and rinse abundantly with demineralised water.
  • Page 67 Transmitter 9135 - pH measurement in pure water ERROR MESSAGE DESCRIPTION/POSSIBLE CAUSE 10.8 • Sensor not correctly connected. Temperature sensor damaged Replace it if necessary. Pt100/Pt1000 SHORT-CIRCUIT 11.4 • Sensor not correctly connected. Temperature sensor damaged Replace it if necessary. Pt100/Pt1000 OPEN CIRCUIT •...
  • Page 68 Transmitter 9135 - pH measurement in pure water The glass electrode impedance is inferior to the limits set by the user. It is required to : - change the limits or, - change the broken electrode. GLASS IMPED. TOO LOW The reference electrode impedance is inferior to the 10.1 limits set by the user.
  • Page 69 Transmitter 9135 - pH measurement in pure water ERROR MESSAGES DURING A CALIBRATION NOTE : Press ESC to leave the menu and calibrate again. The zero shift is superior to the limit PH CALIB. programmed. SLOPE : 99,9% Limits : ZERO : 4.00 pH - pH calibration : 3 pH OFFSET...

  • Page 71: Analogue Outputs And Temperature Control

    Transmitter 9135 - pH measurement in pure water Analogue outputs and temperature control Analogue outputs control An external socket from the transmitter (for certain versions) fixed on the lower part of the front panel allows to measure the value of the analogue output current by inserting a miliampere-meter in the current loop.

  • Page 72: Pt100 Simulator Connections

    Transmitter 9135 - pH measurement in pure water Pt100 simulator connections The transmitter can be connected to a Pt100 simulator by means of the cable (Ref : 09125=A=8010) : Temp + : white flex Temp - : yellow flex pH simulator connections pH simulator can be connected to the electrode connection cable by means of another cable (Ref : 09135=A=8030).

  • Page 73: Appendix A : Default Values

    Transmitter 9135 - pH measurement in pure water Appendix A : Default values CALIBRATION pH CALIB. PARAMETERS TYPE : Auto DATE : 01/01/01 SLOPE : 100.0% OFFSET : 0.00 pH ΔT : 0.0 °C PROGRAMMING MEASURE ELECTRODE TEMP.COMP. TYPE : Glass MEASURE : No TEMP.
  • Page 74 Transmitter 9135 - pH measurement in pure water RS485 No : BAUD : 19200 PARITY : STOP BIT : WORD invs. SERVICE IMPEDANCES FREQUENCE : 24.0 H GLASS REFERENCE GLASS : No REFERENCE : No AVERAGE AVERAGE : 0 DISPLAY DISPLAY RES.

  • Page 75: Appendix B : Spare Parts List

    Transmitter 9135 - pH measurement in pure water Appendix B : Spare parts list Any other spare parts except those below in the table should be replaced in the instrument. Part number Description 09125=A=1001 9135 equipped CPU board 09135=A=1500 9135 complete pH module 09125=A=2000 9135 power supply (standard version) 09125=A=2020...
  • Page 76 Transmitter 9135 - pH measurement in pure water 09125=A=8010 Pt100/1000’s simulator connections cable 09135=A=8030 Low impedance pH’s simulator connections cable 08362=A=1001 Pt100’s temperature sensor 08362=A=3001 Pt100’s 3 m cable 08362=A=3002 Pt100’s 10 m cable 08362=A=3003 Pt100’s 20 m cable 08362=A=4000 2 connections (1/8"...
  • Page 78 HACH COMPANY World Headquarters HACH LANGE GMBH HACH LANGE Sàrl P.O. Box 389, Loveland, CO 80539-0389 U.S.A. Willstätterstraße 11 6, route de Compois Tel. (970) 669-3050 D-40549 Düsseldorf, Germany 1222 Vésenaz (800) 227-4224 (U.S.A. only) Tel. +49 (0) 2 11 52 88-320...

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