Hach POLYMETRON 8310 Bedienungsanleitung

DOC024.98.93046

POLYMETRON Model 83xx

Conductivity Probes

12/2016, Edition 4

User Manual

Bedienungsanleitung

Manuale d'uso

Manuel d'utilisation

Manual de usuario

Návod k použití

Brugervejledning

Gebruikershandleiding

Instrukcja obsługi

Bruksanvisning

Käyttäjän käsikirja

Kullanım Kılavuzu

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

Deutsch.......................................................................................................................... 14

Italiano............................................................................................................................ 25

Français......................................................................................................................... 36

Español.......................................................................................................................... 47

Čeština........................................................................................................................... 58

Dansk..............................................................................................................................69

Nederlands....................................................................................................................80

Polski.............................................................................................................................. 91

Svenska....................................................................................................................... 102

Suomi............................................................................................................................112

Türkçe...........................................................................................................................122

Specifications

Specifications are subject to change without notice.

Table 1 Probe specifications

8310 / 8315 8311 / 8316

Applications Pure and ultra pure water Moderately conductive solutions

K (cm-1) 0.01 0.1

Accuracy < 2% < 2%

Transmitter measurement range 0.01 to 200 μS.cm-1 0.1 μS to 2 mS.cm-1

Pt100 temperature response (t

90%)

< 30 seconds < 45 seconds

Maximum temperature (°C) 125 (8310)

150 (8315)

125 (8311)

150 (8316)

Maximum pressure (bars) 10 (8310)

25 (8315)

10 (8311)

25 (8316)

Sample connection ¾ inch NPT ¾ inch NPT

8312 / 8317 8394

Applications Waste water and drinking water Food and pharmaceutical industries

(sterilized)

K (cm-1) 1.0 0.01

Accuracy < 2% < 2%

Transmitter measurement range 1 μS to 20 mS.cm-1 0.01 to 200 μS.cm-1

Pt100 temperature response (t

90%)

< 3 minutes < 45 seconds

Maximum temperature (°C) 125 (8312)

150 (8317)

150

Maximum pressure (bars) 10 (8312)

25 (8317)

Sample connection ¾ inch NPT Tri-Clamp 1½ or 2 inch

Table 2 Flow chamber specifications

08313=A=0001 08318=A=0001

Material PVC 316 L SS

Maximum temperature (°C) 60 at 2 bar 150

Maximum pressure (bars) 15 at 25°C 25

Sensor connection ¾ inch NPT ¾ inch NPT

Sample connection ¾ inch NPT ¼ inch NPT

English 3

08394=A=8200 08394=A=8150

Material 316 L SS 316 L SS

Maximum temperature (°C) 150 150

Maximum pressure (bars) 25 25

Sensor connection Tri-Clamp 2 inch Tri-Clamp 1½ inch

Sample connection ¼ inch NPT ¼ inch NPT

General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this 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.

Safety information

N O T I C E

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 solely 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.

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.

4 English

Precautionary labels

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

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

statement.

This symbol, when noted on a product, indicates a potential hazard which could cause serious

personal injury and/or death. The user should reference this instruction manual for operation and/or

safety information.

This symbol, when noted on a product enclosure or barrier, indicates that a risk of electrical shock

and/or electrocution exists and indicates that only individuals qualified to work with hazardous

voltages should open the enclosure or remove the barrier.

This symbol, when noted on the product, indicates the presence of devices sensitive to electrostatic

discharge and indicates that care must be taken to prevent damage to them.

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.

Transmitter

The 83xx series probes can be used with a variety of transmitters. However, for transmitter

programming references, this manual assumes the probe will be used with a POLYMETRON model

9125 transmitter.

Installation and startup

Dimensions

Figure 1 Electrode dimensions

English 5

Figure 2 Electrode diameters

Model h max (mm) H min (mm) D min (standard piping)

8310 / 11 40 80 DN40 or 1½ inch

8312 50 75 DN20 or ¾ inch

8315 28 117 DN90 or 4 inch

8316 28 80 DN50 or 2 inch

8317 28 90 DN75 or 3 inch

8394 21.5 65.5 DN50 or 2 inch

Figure 3 Flow chamber dimensions

Cable connections

CAUTION

Connect the cable quickly to avoid any risk of humidifying the connector.

Figure 4 Cable connections

6 English

Note: For illustration purposes, cable part number 08319=A=00xx is shown in Figure 4.

1 External shielding 4 External electrode

2 Internal shielding 5 Pt100

3 Internal electrode 6 Pt100

The cable is available in lengths of 5, 10 or 20 meters and must be connected in compliance with the

following table:

Function Color

External shielding White (red tip)

Internal shielding White (orange tip)

Internal electrode White (yellow tip)

External electrode Red

Pt100 Black

Pt100 Blue

Note: Refer to the user manual delivered with the transmitter for a detailed description of the cable connectors on

the transmitter.

Probe installation

In Figure 5 on page 8, Figure 6 on page 8 and Figure 7 on page 9 the annotations A, B and

C indicate:

•A: Ideal installation - perfect immersion of the electrode surfaces.

•B: Good installation - satisfactory immersion of the electrode surfaces.

•C: Poor installation - incomplete immersion of the electrodes, the conductivity will be too low.

On piping

Immerse the internal electrode completely in the process sample. For a 90° installation, take into

account the dimensions (see Dimensions on page 5).

Note: In the following illustrations, the arrows indicate the sample flow direction.

Installation example for the 8315 probe

English 7

Figure 5 8315 Probe

Installation example for the 8394 probe

This probe installs perfectly in a Tri-Clover® Tri-Clamp™ Tee starting from 1.5 inch diameter (A), and

also at a 90° angle starting from 2 inches (B). All Tri-Clamp™ Tees are in compliance with 3A

standards for Cleaning In Place (CIP).

Figure 6 8394 Probe

In a bypass

POLYMETRON flow chambers are designed not to retain air bubbles. Minimum recommended flow

rate: 100 mL/minute (6 L/hour) with homogeneous sample flow or ideally 330 mL/minute (20 L/hour).

Note: The progressive accumulation of bubbles on the surface of the probe reduces the active surface, increases

the cell constant, and leads to an abnormally low conductivity measurement.

8 English

Figure 7 Flow chamber

Note: The arrows indicate the sample flow direction.

Make sure the NPT fittings of the flow chamber (see Figure 3 on page 6 for location) are leak free by

adding waterproof material onto the male thread. The recommended waterproof material for each

flow chamber is:

Flow chamber Probe 8310/8311/8312 Probe 8315/8316/8317/8394

08313=A=0001 PTFE thread sealant tape PTFE thread sealant tape

08318=A=0001 PTFE thread sealant tape Loctite 577

08394=A=8200 PTFE thread sealant tape Loctite 577

08394=A=8150 PTFE thread sealant tape Loctite 577

Programming the transmitter

For detailed information regarding transmitter programming, please refer to the user manual

delivered with the transmitter.

Set the measurement type

Make sure that both switches on the conductivity module of the transmitter are correctly configured

on position K (to indicate a 2 electrode probe).

Set the cell constant

On the PROGRAMMING-MEASURE-PROBE menu, set the cell constant value (K) of the probe.

This value is indicated on the probe certificate and is determined with a precision of < 2% in

compliance with standards ASTM D 1125 and ISO7888.

Set the frequency

On the PROGRAMMING-MEASURE-PROBE menu, set the probe frequency in relation to the

conductivity:

K (cm-1) Low conductivity Average conductivity High conductivity

0.01 0.01 to 0.1 μS 0.1 μS to 20 μS 20 μS to 200 μS

0.1 0.1 to 1 μ S 1 μS to 200 μS 200μS to 2 mS

1.0 1 to 10 μ S 10 μS to 2 mS 2 to 20 mS

Whenever possible, it is preferable to operate in the Average conductivity zone (and therefore to

choose the correct type of probe).

Low conductivity zone: To avoid causing a parallel capacitance, do not combine a long length of

cable with a high measurement frequency (measurement of conductivity too high). If using a long

length cable (> 20 meters) set the frequency to 70 Hz.

Average conductivity zone: No particular precautions are required. Set the frequency to 1 kHz.

English 9

High conductivity zone: When the measurement frequency is low, the surface of the electrodes will

very quickly saturate and form an insulating layer reducing the flow of current, a phenomenon known

as polarization. Set the frequency to 1 kHz.

Note: Select the Auto option to automatically adjust the frequence according to the measurement range.

Set the type of temperature compensation

The conductivity of a solution depends both on the concentration and mobility of the ions. The

temperature of the solution has an influence on these two factors and favors the dissociation of the

molecules and therefore the ionic concentration, and increases the mobility.

In order to allow the comparison between measurements made at different temperatures, this

measurement needs to be brought back to a reference temperature (generally 25 °C).

On the PROGRAMMING-MEASURE-TEMP.COMP. menu, set the temperature compensation type

according to the sample characteristics.

Probe calibration

For detailed information regarding transmitter programming, please refer to the user manual

delivered with the transmitter.

Note: It is advisable to calibrate the temperature before the conductivity probe.

Temperature calibration

This is an important step during commission to take into account the cable resistivity and the

temperature compensation.

1. Immerse the probe in a solution for about 10 minutes.

2. Record the temperature of the solution with a thermometer (precision < ± 0.1°C).

3. Program the transmitter in process calibration mode.

4. Adjust the value of the temperature read with that of the thermometer.

Conductivity calibration

First method (recommended)

1. Program the transmitter in electric calibration mode. Choose the resistance the closest possible

to your process (see table below).

2. First point: Remove the probe from the liquid or unscrew the connector from the probe.

3. Second point: Connect the resistance (precision < 0.1 %) of the same value programmed at the

IN/OUT terminals of the conductivity module.

Conductivity solution:

Resistivity solution:

0.1 μS.cm-1

10 MΩ.cm

10 μS.cm-1

0.1 MΩ.cm

R connected for K= 0.01 cm-1 100 kΩ 1 kΩ

R connected for K= 0.1 cm-1 N/A 10 kΩ

R connected for K= 1 cm-1 N/A 100 kΩ

Conductivity solution:

Resistivity solution:

1 mS.cm-1

1 kΩ.cm

10 mS.cm-1

100 Ω.cm

R connected for K= 0.01 cm-1 N/A N/A

R connected for K= 0.1 cm-1 100 Ω N/A

R connected for K= 1 cm-1 1 kΩ 100 Ω

10 English

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