Hach POLYMETRON 8362 Manuel rapide

DOC024.98.93025

POLYMETRON Model 8362 pH

Measurement

10/2022, Edition 3

Basic User Manual

Allmän användarhandbok

Temel Kullanıcı Kılavuzu

Základní uživatelská příručka

Table of Contents

English..............................................................................................................................3

Svenska......................................................................................................................... 20

Türkçe.............................................................................................................................36

Čeština........................................................................................................................... 53

Table of Contents

1 Specifications on page 3

2 General information on page 5

3 Description of the transmitter on page 6

4 Description of the sensor on page 7

5 Installation on page 7

6 User interface on page 10

7 System setup on page 12

8 User setup on page 14

9 Calibration on page 16

10 Maintenance on page 18

Section 1 Specifications

Specifications are subject to change without notice.

Specification Details

Ambient temperature -20 to 60°C (4 to 140°F)

Relative humidity 10 to 90%

Power supply voltage

fluctuation

± 10%

Over voltage category 2 (in accordance with standard EN 61010-1)

Pollution degree 2 (in accordance with standard CEI 664)

Altitude < 2000 meters

Measurement category Class 1 (over voltage < 1500V)

8362 sensor Pressure 16 bar / 25°C

6 bar / 100°C

Cable length 3 meters

Flow rate 100 to 400 mL/mn

Mains power supply Standard version: (± 10%): 100 - 240 VAC, 50-60 Hz

Low voltage version: 13 - 30 VAC 50/60 Hz or 12 - 42 VDC

Pre-amplifier ± 9 V continuous

Connections Screw terminals 2.5mm2

Fuse 5x20mm cartridge T2AL-250V following CEI127

Consumption 25 VA

European standards EN 61326 (1997) and EN61326 A1 (1998) industrial level for immunity

EN 61010-1 (2001) for low voltage safety

UL & CSA agreement File E226594. CEM conformity

Dimensions (mm) Transmitter: 144 x 144 x 150

Weight (kg) Transmitter: 2

8362 sensor: 0.9

Material Housing: Polyester coated aluminum

Screws: Stainless steel

Waterproofing IP65

Mounting types Transmitter: Wall, pipe or panel

Cable glands 2 x PG13.5

2 x PG11

English 3

Specification Details

Display resolution 0.01 pH / 0.1 pH (adjustable)

1 mV

0.1°C

Display range 0 to 14 pH (possibility to measure down to -3 pH)

-1500 to 1500 mV

-20 to 200°C (-4 to 392°F)

Measurement range with

8362 sensor

2 to 12 pH

0 to 80°C (32 to 176°F)

Precision with 8362 sensor < 0.05 pH for vapour water cycle

< 0.1 pH for ultra pure water

Repeatability with

8362 sensor

0.01 pH / 24 hours

Temperature sensor Pt 100

Automatic temperature

compensation range

-20 to 200°C (-4 to 392°F)

Temperature compensation

range

Nernst special compensation for ultra pure water from tables or linear coefficient

Sensor inputs Differential measurement

Input impedance > 1012 Ω

Calibration type NIST (4 / 6.88 / 9.22)

DIN9 (4 / 7 / 9)

DIN10 (4 / 7 / 10)

2 points (manual)

1 point process

Values (slope and offset)

Slope matching 41 to 71 mV at 25°C

70 to 120%

Zero matching 3 pH

250 mV

Temperature calibration -50 to 20°C (-122 to 68°F)

Analog output signals 2 galvanically insulated outputs

Allocation pH / redox / temperature

Type 0 - 20 mA

4 - 20 mA

Maximum load 800 Ω

Accuracy 0.03 mA

Alarms 4

Function Standard limits

System alarm

Timer

Hysteresis 0 to 10%

Temporization 0 to 999s

4 English

Specification Details

Breaking power (resistive

load)

250 VAC, 5A max

100 VDC, 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

RS485 300 to 19200 baud

32 stations max.

Language French, English, German, Italian, Spanish, Dutch

Display Icons + graphic zone (80 x 64 pixels)

Protection codes Calibration, Programming, Service

Section 2 General information

In no event will the manufacturer be liable for damages resulting from any improper use of product or

failure to comply with the instructions in the manual. The manufacturer reserves the right to make

changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

2.1 Safety information

The manufacturer is not responsible for any damages due to misapplication or misuse of this product

including, without limitation, direct, incidental and consequential damages, and disclaims such

damages to the full extent permitted under applicable law. The user is soley responsible to identify

critical application risks and install appropriate mechanisms to protect processes during a possible

equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

2.2 Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious

injury.

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate injury.

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special

emphasis.

English 5

2.3 Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential

injury. If on the instrument, refer to the instruction manual for operation or safety information.

This symbol indicates that a risk of electrical shock and/or electrocution exists.

This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and

indicates that care must be taken to prevent damage with the equipment.

This symbol, when noted on a product, indicates the instrument is connected to alternate current.

Electrical equipment marked with this symbol may not be disposed of in European domestic or

public disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no

charge to the user.

Products marked with this symbol indicates that the product contains toxic or hazardous substances

or elements. The number inside the symbol indicates the environmental protection use period in

years.

Section 3 Description of the transmitter

The POLYMETRON 9135 pH Transmitter and associated measuring sensors has been designed for

calculating and continuous control of pH, redox, and temperature measurements in industrial

processes.

The easy to use (installation and programming) transmitter is equipped with a microprocessor and

can be configured to function in numerous applications.

6 English

Section 4 Description of the sensor

This high purity water pH sensor is specially designed for continuous in-stream pH measurement of

pure and ultra-pure water.

Figure 1 8362 pH sensor

1 pH sensor 6 Flow chamber

2 Temperature sensor 7 Electrode support

3 U-bolt 8 Sample input

4 Earth 9 Sample output

5 Flow chamber retaining nut

Two cables of 3 meter length are provided, one for the pH sensor and the other for the temperature

sensor.

Section 5 Installation

5.1 Transmitter mounting

CAUTION

Personal injury hazard. Instruments or components are heavy. Use assistance to install or move. Make sure that

the wall mounting is able to hold 4 times the weight of the equipment.

The transmitter can be mounted in three different ways.

English 7

5.1.1 Panel mount

• Panel cut-out: 138 x 138 mm [5.4" x 5.4"]

• Front panel dimensions: 144 x 144 mm [5.8" x 5.8"]

• Panel thickness: maximum 8 mm [0.31"]

• 2 screws (provided): Ø 4 mm [0.16"] length 16 mm [0.63] flat head for panel

thickness 0 to 4 mm [0.16"]

• 2 screws (provided): Ø 4 mm [0.16"] length 20 mm [0.79] flat head for panel

thickness 4 [0.16"] to 8 mm [0.31"]

5.1.2 Wall mount

• 2 screws (not provided): Ø 4 mm [0.16"]

length 60 mm [2.4"] flat head

• Distance between screws: 80 mm [3.15"]

5.1.3 Tube or pipe mount

• Pipe diameter: 50.8 mm [2"] maximum

• 2 screws (provided): Ø 4 mm [0.16"]

length 60 mm [2.4"]

5.2 Electrical connections

WARNING

Do not switch on the instrument until completion of the installation.

8 English

An aluminium shielding plate inside the transmitter gives a detailed description of the different

terminals and their connections to external elements:

Figure 2 Electronic board layout

1 Terminal block 4-20 mA 5 Measurement module

2 Communications BUS (option) 6 Programmed EEPROM

3 CPU board 7 Software update connector

4 Relay board (option) 8 Power supply board

Electric connections are made on the terminal connectors inside the housing. Put the cables into the

appropriate openings.

• The main supply and relay cables should be fed through the openings behind the shielded plate.

To remove the plate, unscrew the fixing screw on the left side of the plate.

• When opening the transmitter be careful of any attached cables.

• Sensor and mA output cables should be fed through the openings provided on top of the plate.

• Always use shielded cables. The shielding should be connected to the central shielding earth.

5.2.1 Mains connection

WARNING

Mains power should always be cut off prior to working inside the instrument.

Electrical connections should be performed by qualified personnel. The power supply accepts

100-240 VAC ± 10% (50/60 Hz) without changes in configuration. The terminal block for power

connections can be lifted from its header for easier installation.

For safety reasons, it is essential that the following precautions for use are respected:

• Use a three wire mains supply cable (2 core + PE) with a cross-section between 0.35 and 2 mm2

(AWG 22 to 14) rated at 105°C minimum. The external cable insulation should be cut as close as

possible from the terminal block.

• The instrument should be connected to the mains by means of a circuit breaker or fuse whose

value should be inferior or equal to 20 A. It should be positioned close to the transmitter and

identified.

• This protection should cut off the phase and neutral in the event of an electrical problem or if the

user wishes to access the inside of the instrument. The protective earth connector, on the other

hand, must always be connected.

• Cabling should be specified for a minimum of 80°C (176°F).

English 9

5.3 Hydraulic connections

• Remove the flow chamber retaining nut (No. 5 in Figure 1 on page 7) and remove the flow

chamber.

• Remove the pH bulb protector and rinse the bulb area with distilled water or pH buffer. Save the

protector for any future electrode storage. If air bubbles are visible in the pH bulb, gently shake the

electrode downward in the same manner as a clinical thermometer to remove them.

• Put the flow chamber back in place and secure with the retaining nut.

• Assemble the 1/8" NPT connections in the sample inlet and outlet positions (Nos. 8 and 9

respectively in Figure 1 on page 7), then connect the sample inlet and outlet piping.

• Circulate the sample and check visually through the chamber for the absence of any air bubbles.

• Adjust the sample flow rate to about 150 mL/min.

• The flow chamber must be earthed (No. 4 in Figure 1 on page 7) grounded to protect from any

external electrical noise.

Note: To avoid any damage to the electrode ensure the flow chamber is never empty and that the glass bulb is

always immersed in water.

5.4 Sensor connections

Wire the sensor to the transmitter as follows:

1 Temperature sensor 5 Translucent

2 pH sensor 6 White (long)

3 White (long) 7 White (short)

4 Brown 8 White (short)

Section 6 User interface

6.1 Function keys

The user interface of the transmitter is made up of a display screen and 4 function keys:

• The esc key cancels data input or goes back to the previous screen.

• The enter key validates the input and goes on to the next step.

• The function of the Up Arrow keys depends on the option displayed immediately above them on

the screen, as listed below.

• : Modify a parameter

•Select: Choose a menu

•Main: Go back to the main display

•Menu: Display the main menu

•Disp2: Display screen 2

•Disp3: Display screen 3

•OK: Validate the measure during a calibration

10 English

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