Hach POLYMETRON 9135 Operator's Manual
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Hach POLYMETRON 9135 Operator's Manual

Ph/redox measuremen
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Operator Manual
POLYMETRON 9135
pH/redox measurement
221=191=035 - Revision N - 10/12/2007

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Summary of Contents for Hach POLYMETRON 9135

  • Page 1 Operator Manual POLYMETRON 9135 pH/redox measurement 221=191=035 - Revision N - 10/12/2007...
  • Page 3 Warning ! There are no user-serviceable parts in either the transmitter or sensor. Only Hach Ultra Analytics 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 4 Restriction of Hazardous Substances Note: The following only applies to exports of the product into the People’s Republic of China. Marking Products contain toxic or hazardous substances or elements. Environment Protection Use Period Marking (years). Toxic or Hazardous Substances and Elements Hexavalent Polybrom Polybrom...

  • Page 5: Table Of Contents

    Transmitter 9135 - pH/redox measurement Table of contents 1. Gene ral presentation of the 9135 transmitter ............3 Presentation of the 9135 transmitter ................3 Introduction ........................4 Theory ......................4 Redox measurement ..................5 Features ......................... 7 2. Installation of the transmitter.................. 11 Unpacking the 9135 transmitter .................
  • Page 6 Transmitter 9135 - pH/redox measurement Redox PROGRAMMATION Menu ................39 S/MEASURE Menu ..................40 ELECTRODE..................40 TEMP. COMP..................41 S/mA OUTPUTS Menu ................. 42 S/SPECIAL PROG. Menu ................43 TEST....................43 S/ALARMS Menu ..................44 ALARM 1/2 (limit)................45 ALARM 3 (Alarm system)..............

  • Page 7: Gene Ral Presentation Of The 9135 Transmitter

    Transmitter 9135 - pH/redox measurement General presentation 9135 transmitter 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/redox measurement 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: Redox Measurement

    Transmitter 9135 - pH/redox measurement For every unit change in pH (or decade change in ion concentration) the emf of the electrode pair changes by 59.16 mV at 25°C. This value is known as the Nernstian slope of the electrode. The pH electrode pair are calibrated using solutions of known and constant hydrogen ion concentration, called buffer solutions.
  • Page 10 Transmitter 9135 - pH/redox measurement The half-cell potential εB, of the reference electrode will strongly influence the potential E of the measuring chain. To remove this influence the potential of the measuring electrode can be related to the hydrogen electrode. If εB is the half-cell potential of the reference electrode used, the calculation is made by ε...

  • Page 11: Features

    Transmitter 9135 - pH/redox measurement Features OPERATING CONDITIONS Ambiant temperature -20°...+60°C Relative humidity 10...90% ± 10 % Power supply voltage fluctuation Over voltage category Pollution degree 2 (as CEI 664) Altitude < 2000 m Measurement category I (overvoltage less than 1500 V) MEASURE Display range 0 ...
  • Page 12 Transmitter 9135 - pH/redox measurement CALIBRATION Calibration type NIST (4,00 ; 6,88 ; 9,22) DIN9 (4,00 ; 7,00 ; 9,00) DIN10(4,00 ; 7,00 ; 10,00) 2 points (manual) 1 point process values (slope and offset) Slope matching 41 ... 71 mV to 25°C 70 ...
  • Page 13 Transmitter 9135 - pH/redox measurement Accuracy 0.1 mA ALARMS Alarm number Function - limits - alarm system - timer Hysteresis 0 ... 10% Temporization 0 ... 999 s Breaking power 250 V AC, 3A max (on a resistive charge) 100 V DC, 0,5A max Use a cable (rated 105°C and AWG22 to 14).
  • Page 14 Transmitter 9135 - pH/redox measurement ELECTRIC CHARACTERISTICS • standard version : Power supply voltage - 100 V ... 240 VAC 50/60 Hz • low voltage version : - 13...30 VAC 50/60 Hz - 18...42 VDC ± 9 V DC Preamplifier Connections screw terminals 2,5 mm Consumption...

  • Page 15: Installation Of The Transmitter

    Transmitter 9135 – pH/redox measurement Installation of the transmitter Unpacking the 9135 transmitter Inspect the package at the reception to detect an eventual damage due to the transport. Make sure the package contents are not damaged. Check the package corresponds to your order : •...

  • Page 16: Mounting Types

    Transmitter 9135 - pH/redox measurement 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 17 Transmitter 9135 – pH/redox measurement Wall mounting : • 2 screws ∅ 4 mm lg 60 flat head (not provided)/ 80 mm center distance Fig. 2.2 Wall mounting Page 13...
  • Page 18 Transmitter 9135 - pH/redox measurement Pipe mounting : • ∅ 2" maximum - 2 screws ∅ 4 mm lg 60 (provided) Fig. 2.3 Vertical mounting Fig. 2.4 Horizontal mounting Page 14...

  • Page 19: Electric Connections

    Transmitter 9135 – pH/redox measurement 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 15...
  • Page 20 Transmitter 9135 - pH/redox measurement ________________________________________________________________________ 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 21: Main Connection

    Transmitter 9135 – pH/redox measurement Main connection Electrical connection should be performed only by qualified personnel. The power supply accepts 100- 240 VAC ± 10 %, (50/60 Hz) without changes in configuration. terminal block power connections can be lifted from its header for easier installation.

  • Page 22: Probe Connections

    Transmitter 9135 - pH/redox measurement Probe connections Probe/transmitter 9135 pH/redox different links Sensor/ Sensor/probe Junction box Links Distance probe connections see p. 21 with 9135 sensor/ see p. 22 probe- 9135 8340/44 P 8663/AS7/8495 internal 2666 25...100m 8340/44 AS9/AS7/8495.6.7 internal (HI) 2654 0...25m (*) 8346...
  • Page 23 Transmitter 9135 – pH/redox measurement LEGEND : AS7 : Cable for reference electrode AS9 : Cable for measuring or combined electrode 8663 : Cable AS9 + preamplifier for measuring or combined electrode 2666 : Low impedance cable with 6 conductors + shielding (ref 370=506=025).

  • Page 24: Configurations Of The Cables

    Transmitter 9135 - pH/redox measurement Configurations of the cables Description cables used below . Numbers correspond to the table § 2.4.3 where the wire colours and functions are indicated. • AS7 used with reference electrode • AS9 used with a non-combined measurement electrode •...
  • Page 25 Transmitter 9135 – pH/redox measurement • 2654 high impedance cable used with a non- combined electrode : shielded cab le with a AS9 (for non-combined electrode) and 5 wires : 5 wires • 2654 high impedance cable used with a combined electrode : shielded cable...

  • Page 26: Relation Between Colour-Function

    Transmitter 9135 - pH/redox measurement Relation between colour-function The following table d efines the relation between the types of cable and their functions. NC : for non combined electrodes C : for combined electrodes Input Temp Temp- Liq. Earth Earth terminal* 2654 white...

  • Page 27: Intermediary Connection Details (Junctions)

    Transmitter 9135 – pH/redox measurement Intermediary connection details (junctions) WARNING : It is required to cut the wires not used. • Connection on preamplifier 08350=A=8000 external shield TEMP - TEMP - TEMP + TEMP + INPUT external shield INPUT Probe Sonde Transmetteur Transmitter...
  • Page 28 Transmitter 9135 - pH/redox measurement • Internal for probes 8340/44 For non combined electrode INPUT INPUT TEMP + TEMP + TEMP – TEMP – Liq. Earth Liq. Earth Transmitter Probe Sonde Transmetteur For combined electrode INPUT INPUT TEMP + TEMP + TEMP –...
  • Page 29 Transmitter 9135 – pH/redox measurement • For 08350=A=8500 enclosure external shield INPUT INPUT TEMP + TEMP + TEMP – TEMP – Liq. Earth Liq. earth external shield Transmitter Probe Sonde Transmetteur • For 8360.1 internal enclosure external shield INPUT INPUT TEMP + TEMP + TEMP –...

  • Page 31: Using The 9135 Transmitter

    Transmitter 9135 – pH/redox measurement 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/redox measurement 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 cali bration and maintenance mode.

  • Page 33: Main Display

    Transmitter 9135 – pH/redox measurement Main display 6.98 6.98 pH : Ph measurement 25.0 °C : temperature measurement S1...S4 : alarm state (invisible if alarm inactive) 25.0°C Disp2 Menu Display 2 S1...S4 : Alarm state S1 : S1 : activated by a temperature > 30.0°C °C >...

  • Page 34: Display Options

    Transmitter 9135 - pH/redox measurement 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 • Use the right function key MENU.

  • Page 35: Configuration Of The 9135 Transmitter

    Transmitter 9135 – pH/redox measurement 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 MAINTENANCE the instrument measurement according to the PROGRAMMING reference measurements.

  • Page 36: Calibration Menu

    Transmitter 9135 - pH/redox measurement CALIBRATION menu pH calibration In calibration mode, the temperature compensation MENU of the electrodes occurs systematically in the CALIBRATION temperature compensation mode according to the MAINTENANCE Nernst law. The temperature measurement remains active. If the automatic temperature compens ation is PROGRAMMING selected, immerse the Pt100/1000 in the calibration SERVICE...
  • Page 37 Transmitter 9135 – pH/redox measurement DIN 9 Delay 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 4,01 6,95 8,79...

  • Page 38: Choice Of The Calibration Type

    Transmitter 9135 - pH/redox measurement 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 value according temperature. In the other calibration modes, the nominal pH values must always be taken into account.

  • Page 39: Point Calibration

    Transmitter 9135 – pH/redox measurement 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 user does enter...

  • Page 40: Temperature Calibration

    Transmitter 9135 - pH/redox measurement Temperature calibration To reach the temperature calibration screen, press TEMP. CALIB. the EXECUTION mode with ENTER. EXECUTION Once the measurement is stable, press OK. TEMP. CALIB. °C 4.2 pH Possibility to change the value. TEMP. CALIB. °C 06.8 °C TEMP.

  • Page 41: Calibration

    Transmitter 9135 – pH/redox measurement CALIBRATION Calibration REDOX CALIB. This menu is dedicated to the calibration of the electrode used. TEMP CALIB. Press ENTER to validate the choice. PARAMETERS Select REDOX CALIB. Redox calibration Follow the pH calibration procedure in § 4. EXECUTION PROGRAMMING Select...

  • Page 42: Parameters Menu

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

  • Page 43: Redox Programmation Menu

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

  • Page 44: S/Measure Menu

    Transmitter 9135 - pH/redox measurement MEASURE S/MEASURE Menu ELECTRODE ELECTRODE menu allow to set up the electrode model. TEMP. COMP. : TEMP. COMP. menu allow temperature compensation. Select ELECTRODE ELECTRODE Choice of the electrode. Redox TYPE : ISO Pt : 1,5 pH •...

  • Page 45: Temp. Comp

    Transmitter 9135 – pH/redox measurement TEMP. COMP. TEMP. COMP. MEASURE : This menu allows to set up the temperature compensation. TYPE : Manual TEMP. : 20°C MEASURE : - No Choice temperature COMP. : Coeff. - Pt measurement with without ∆.

  • Page 46: S/Ma Outputs Menu

    Transmitter 9135 - pH/redox measurement S/mA OUTPUTS Menu mA OUTPUTS OUTPUT 1 This menu allow 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 temperature.

  • Page 47: S/Special Prog. Menu

    Transmitter 9135 – pH/redox measurement 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 − MODE : choice of a preset value during SPECIAL PROG.

  • Page 48: S/Alarms Menu

    Transmitter 9135 - pH/redox measurement 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 ALARM 3 operating mode of the 4 alarms : MODE : Lim : alarms 1...4 ACCEPT : Manu...

  • Page 49: Alarm 1/2 (Limit)

    Transmitter 9135 – pH/redox measurement 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 • pH/mV DIR : Up • °C/°F DELAY : 30s HYST.

  • Page 50: Alarm 3 (Alarm System)

    Transmitter 9135 - pH/redox measurement ALARM 3 (Alarm system) ALARM 3 − Choice of a limit on the measure or alarm MODE : system with alarm 3. ACCEPT : Manu • MODE : • RELAY : NO Limit • Select −...

  • Page 51: S/Controller Menu

    Transmitter 9135 – pH/redox measurement S/CONTROLLER Menu The built- in proportional controller, abbreviation controller P. The controller output Y activates the limit switch r e lays. Y value may correspond to a control by impulse or a control by frequency. The Y value is determined by the parameters below : •...
  • Page 52 Transmitter 9135 - pH/redox measurement Different controller modes are available. They enable frequency, pulse 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 : CONTROLLER CONTROLLER −...
  • Page 53 Transmitter 9135 – pH/redox measurement 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 54 Transmitter 9135 - pH/redox measurement 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 < T < 0,7) : MAX : 200 i/min T1/2 : XXX –...
  • Page 55 Transmitter 9135 – pH/redox measurement CONTROLLER CONTROLLER − CNTRLLR : Yes Regulation form select MODE : Pulse MODE : Imp. 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 56: S/Rs485 Menu

    Transmitter 9135 - pH/redox measurement 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. : YES PARITY - Without parity bit : No - With odd parity bit : Odd...

  • Page 57: Service Menu

    Transmitter 9135 – pH/redox measurement SERVICE Menu SERVICE Note : IMPEDANCES WARNING ! An access code may be required if it AVERAGE has been programmed. DISPLAY CODE SOFT ISSUE This screen allows to reach the 9135 transmitter DEFAULT VAL. configuration screens. mA ADJUST FACTORY The display options are detailed page 27.

  • Page 58: S/Impedances Menu

    Transmitter 9135 - pH/redox measurement IMPEDANCES S/IMPEDANCES Menu GLASS Define the lower and upper limits of the electrode impedances for the default detection. They should REFERENCE be defined experimentally . FREQ. : 24.0 h FREQ. : permits to define the impedance TEST measurement frequency (limits : Select...

  • Page 59: S/Average Menu

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

  • Page 60: S/Code Menu

    Transmitter 9135 - pH/redox measurement 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" menu. Note : If you have forgotten your access code, press simultaneously ESC and ENTER to enter into the...

  • Page 61: S/Soft Issue Menu

    Transmitter 9135 – pH/redox measurement S/SOFT ISSUE Menu VERSION The transmitter displays the type of instrument and MONEC 9135 the software version installed. pH X.XX S/DEFAULT VALUES Menu VAL./DEFAULT Loading Note : default If you press YES, you load the default values and values ? you loose the programmed values and the calibration parameters.

  • Page 62: S/Ma Adjust Menu

    Transmitter 9135 - pH/redox measurement S/mA ADJUST Menu ADJUST mA In this menu, adjustment of the analogue outputs to OUTPUT 1 20 mA with an internal coefficient between - 9999...9999. OUTPUT 2 Select OUTPUTS 1/2 VALUE : 0000 S/FACTORY menu Factory code necessary.

  • Page 63: Failures Detection And Error Messages

    Transmitter 9135 – pH/redox measurement 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 buffer solutions Electrode not...

  • Page 64: Electrode Cleaning

    Transmitter 9135 - pH/redox measurement Electrode cleaning Electrodes which mechanically undamaged, without broken part, 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 65 Transmitter 9135 – pH/redox measurement 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 66 Transmitter 9135 - pH/redox measurement The glass electrode impedance is inferior to the limits set by the user. It is required to : - change the limits (SERVICE / IMPEDANCES / GLASS / LOWER) or, - change the broken electrode. GLASS IMPED.
  • Page 67 Transmitter 9135 – pH/redox measurement 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 : ±...

  • Page 69: Impedance Measurement

    Transmiter 9135 – pH/redox measurement Impedance measurement Electrode impedance : electrode integrity index A method generally used to detect an electrode default is to calibrate a pH measurement system in pH standards solutions. slope zero (asymmetry) characteristics are out of the programmed limits., one of the electrodes is considered to be damaged.

  • Page 70: Measurement Principle

    Transmitter 9135 - pH/redox measurement In our system, the electrode impedance measurement results from the measurement system without addition of commutation circuits. Measurement principle A non-oxidising electrode permits to set the liquid potential to the zero measured. A very stable voltage (equal to E) is applied to the electrode.
  • Page 71 Transmiter 9135 – pH/redox measurement Note : Note that the impedance measured represents the sums of the resistances of the "liquid earth" electrode, reference electrode, glass electrode according to the case. In pH measurement in ultra pure water, the very high resistivity of the sample, does not allow to determine precisely the reference electrode impedance.

  • Page 73: Analogue Outputs And Temperature Control

    Transmiter 9135 – pH/redox measurement 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 Figure 1 : Special control cable for analogue outputs...

  • Page 74: Pt100 Simulator Connections

    Transmitter 9135 - pH/redox measurement 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 means...

  • Page 75: Appendix A : Default Values

    Transmiter 9135 – pH/redox measurement Appendix A : Default values CALIBRATION PH CALIB. PARAMETERS TYPE : Auto DATE : 01/01/01 SLOPE : 100.0% OFFSET : 0.00 pH ∆T : 0.0°C PROGRAMMING MEASURE ELECTRODE TEMP. COMP. TYPE : Glass MEASURE : No TEMP.
  • Page 76 Transmitter 9135 - pH/redox measurement 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. : 0.01 pH UNIT : °C...

  • Page 77: Appendix B : Spare Parts List

    Transmiter 9135 – pH/redox measurement 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 78 Transmitter 9135 - pH/redox measurement 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" NPT, 6x8) 363130, 00500 pH 4 solution (500 ml) 363131, 00500 pH 6,88 solution (500 ml) 363132, 00500 pH 9,22 solution (500 ml) Page B2...

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