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
2
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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