Hach POLYMETRON 9245 Quick manual

DOC024.98.93033

POLYMETRON Model

9245 Sodium Analyzer

08/2016, Edition 11

Basic User Manual

Basishandbuch

Manuale di base per l'utente

Manuel d'utilisation de base

Manual básico del usuario

Grundläggande bruksanvisning

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

Deutsch.......................................................................................................................... 24

Italiano............................................................................................................................ 47

Français......................................................................................................................... 70

Español.......................................................................................................................... 93

Svenska....................................................................................................................... 116

Specifications

Specifications are subject to change without notice.

Specification Details

Measuring range 0 to 10,000 ppb freely programmable

0 to 200 ppm with K-Kit option

Accuracy Non-cationic application: ± 0.1 ppb or ± 5% of reading, whichever is greater

Cationic application: ± 2 ppb or 5% reading, whichever is greater

Repeatability < 0.02 ppb or 1.5% reading, whichever is greater within 10°C variation

Response time 0.1 to 10 ppb T(90%) = 180 secs

Electrode type pH glass electrode

Number of channels 1 channel

Interference phosphate

10 ppm Measurement variation less 0.1 ppb

Sample temperature

interference < 0.5% / °C

Typical environment Power station; Indoor; Demineralized water plant or instrumentation room

Suspended solids < 2 NTU, no oil, no grease

Storage -20 to 60°C (2 to 140°F)

Relative humidity 10 to 80%

Ambient temperature 5 to 50°C (41 to 122°F)

Sample temperature

variation Stabilization in 10 mins from 15°C to 30°C

pH range of sample Non-cationic application: 6 to 10 pH

Cationic application: 2 to 10 pH

Flow rate 6 to 9 L/hour

Pressure 0.2 to 6 bar (3 - 87 psi)

Acidity Less than 250 ppm (equivalent CaCO3)

Power supply voltage

fluctuation ± 10%

Over voltage category 2 (according to standard EN 61010-1)

Pollution degree 2 (according to standard CEI 664)

Altitude < 2000 m

Measurement category Cat II, Class 1 (overvoltage < 1500V)

Maximum panel dimension

(H x L x D) 850 x 450 x 252.5mm [33.46 x 17.71 x 9.94in]

Inlet Simple fittings for 6 mm O.D. tubing or ¼" O.D. in PE-low density

¼" OD in PHED-PTFE-SS as option

Outlet Barbed stem for 12 mm (½" I.D.) hose

English 3

Specification Details

Protection rate

Transmitter: IP65 (NEMA 4); Panel: IP50 (dust protection)

Optional Enclosure: IP54 (splash water proof)

Instrument is designed to avoid DIPA vapor inside the enclosure. All DIPA vapor is

collected and sent to the instrument drain

Cell PMMA - compact (minimum tubing)

Flame rate Conform UL

Maximum weight 15 - 30 Kg

Mains power supply 100 - 240 VAC, 50-60 Hz, ± 10%, automatic switching

Max. consumption 80 VA

Fuse 5 x 20 cartridge T2AL-250V following CEI127

Display Last Cal Date, Historical, Concentration, Temperature, Potential

Analog outputs Number: 4; 4-20 or 0-20 mA (650 ohms); Linear / Dual / Logarithm; Smart

Relays 2 x Relay (conc); 1 x Warning; 1 x System

Logic input Start / Standby; Remote AutoCal

EMC requirements

EN61326-1: EMC Directive

Note: This is a Class A product. In a domestic environment this product may cause radio

interference in which case the user may be required to take adequate measures.

N O T I C E

Measurement variations of less than 5% of the full range can occur if the

instrument is subject to a strong electromagnetic field.

Korean registration

User Guidance for EMC Class A Equipment

업무용을 위한 EMC 등급 A 장치에 대한

사용자 지침

사용자안내문

A 급 기기 ( 업무용 방송통신기자재 )

이 기기는 업무용 (A 급 ) 전자파적합기기로서 판매자 또는 사용자는 이 점을 주의

하시기 바라며 , 가정외의 지역에서 사용하는 것을 목적으로 합니다.

CE compliance EN61010-1: LVD Directive

International standards cETLus

Warranty Instrument: 1 year (EU: 2 years)

Electrodes: 6 months

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.

4 English

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.

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.

Products marked with this symbol indicates that the product conforms to relevant South Korean

EMC standards.

English 5

Overview

Figure 1 Front and rear panels

1 User interface 7 Frame for panel mounting

2 Overflow vessel 8 Reagent canister holder

3 Measuring cell 9 Local controller box

4 Sample flow adjustment valve 10 Electrolyte reservoir

5 Door lock 11 Pump box

6 Reagent shelf 12 Sample inlet valve

Installation

WARNING

The analyzer should only be assembled by qualified staff. Mains power should only be connected once

installation has been completed and checked

Mounting the analyzer

WARNING

Do not connect power prior to mounting and plumbing the instrument.

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.

CAUTION

Wherever the analyzer is to be mounted, it is important to note that it must be placed in an upright position with

the transmitter at the top. It is recommended to use a spirit level to ensure that the analyzer is correctly positioned

and not leaning to one side or forward. This is essential to guarantee the accuracy of the analyzer.

6 English

Panel mounting

Mount the analyzer using the fixation holes located around the outside of the analyzer.

Wall mounting

Use the wall mounting kit to fix the instrument to the wall. The distance between the two pieces is

460 mm.

CAUTION

It is extremely important to respect this gap of 460 mm to avoid bending the cabinet out of shape while fitting.

Mains power connection

WARNING

No intervention should be made on the instrument without first switching off the power.

The electrical installation should be carried out by duly qualified personnel. A supply voltage of

100-240 VAC is acceptable without changing the configuration. The power supply terminals can be

removed from their housing to make connection easier.

For safety reasons, it is imperative to respect the working procedure below:

• Use a three-wire power cable (live + neutral + earth), sized for supplying the required power.

• The instrument should be connected to the mains via a circuit-breaker or fuse whose value should

be less or equal to 20 A. It should be located in proximity and be identified. This connection should

cut-off the live and the neutral when electrical problems occur or when the user wishes to

intervene inside the instrument. On the other hand, the earth conductor should always be

connected.

The main cabinet should be open with access to the interior.

1. Pass the power cable through the cable gland located at the back left of the bottom of the

cabinet.

2. Open the back of the local controller box (No. 11 in Figure 1 on page 6) by unscrewing the

6 screws.

3. Unscrew the two holding screws on the upper left and right side of the box, and allow it to rotate

down to reveal the back of the transmitter. The cable gland for the power cable is located left and

nearest to you.

4. Unscrew the cable gland nut, pass the power cable through it, and then up through the cable

gland and into the transmitter (No. 2). Screw back the cable gland nut to secure the power cable.

5. Open the transmitter front door by unscrewing the four holding screws.

6. Swing open the door (it is hinged to the left) to reveal the inside of the transmitter.

7. Remove the metallic shielding plate (No. 1) protecting access to the main board.

8. Remove the power supply connector (No. 3) and note where the earth, neutral and live (E, N, L)

must be connected.

9. Connect the power supply cables to the connector.

English 7

10. Put the connector back in place (No. 4).

11. Replace the metallic shielding plate, ensuring it is in front of the power cable just installed.

External communications connection

1. Run the communications cable through an external cable gland on

the bottom of the cabinet, and into the analyzer.

2. Pass it through the cable gland located right and farthest from you

on the base of the transmitter, so it appears inside the transmitter

through the left front cable gland.

3. Connect the communication cable as indicated. Connection is the

same on the CPU board for both the JBUS/ MODBUS and

PROFIBUS options.

4. Close the transmitter door and secure in place with the 4 screws.

5. Put the local controller box back in its normal position and secure in

place with the 2 holding screws.

Input/Output connections

Before using any of the cable glands, perforate first with a screwdriver. To ensure a good seal, the

external diameter of the cables should be between 5 and 7 mm. The nomenclature given in the

connections column of the following table refers to the same nomenclature that is printed on the I/O

board against each available connection.

Connections Function

Re1 to Re2 User relays - see Alarms on page 15 for more information on the relays

Re7 Warning alarm

Re8 System alarm

In2 For remote calibration

In7 To put the analyzer on standby

Iout0 Used for the current measurement signals

Iout1 to Iout3 Can be freely linked to different parameters like measurement, temperature - refer to the

section entitled mA outputs on page 16 for details

On completion, close the local controller box (No. 11 in Figure 1 on page 6) and secure in place with

the 6 screws.

Sample tubes installation

Connecting the sample

Use new tubes for connections during installation

• Exterior Ø: 6 mm exactly (or ¼'')

• Material: polyethylene or PTFE or FEP

• Flow rate: 6 to 9 L/hour

• Pressure: 0.2 to 6 bar (8-100 psig)

• Sample acidity: Sample acidity should not be more than 300 ppm CaCO3

• Temperature: 5 to 45°C

Note: For continuous monitoring of sample with a temperature between 5-10°C it is recommended that the

installation should include a static heat-exchanger system.

At this stage of the installation, make sure that the flow valve is closed. Connect the pipes by

inserting them into the quick release connections found on the bottom of the analyzer under the

sampling block (No. 14 in Figure 1 on page 6). Be sure that the sample line is correctly flushed

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before any connection to avoid particle injection into the hydraulic system. If particulate matter is

present in the sample, pre-filtration is necessary. A filter should be inserted in the sample line. One is

available as an option.

Connecting the drain tube

The drain outlet is located on the bottom of the analyzer. A 12 x 17 mm pipe is delivered with the

analyzer and should be connected to the drain outlet at one end and the other fed to a drain for

sample evacuation.

Reagents installation

The canisters are installed in the canister holder (No. 10 in Figure 1 on page 6).

1. Prepare the reagents.

2. Install and connect the conditioning solution (diisopropylamine).

3. Install and connect the reactivation solution (blue R label).

4. If you have this option, install and connect the auto calibration solution

(yellow CAL label).

Magnetic stirrer installation

1. On the front of the panel, remove the plastic bag from the overflow vessel (No. 5 in Figure 1

on page 6).

2. Remove the magnetic stirrer from the bag and install it in the overflow vessel.

Reagents volume declaration

Note: As you will now be using the analyzer menus to input data, it may be useful to familiarize yourself with the

data entry procedures by reading the section entitled User interface on page 11.

1. Open the sample valve and check that there is no leakage in the hydraulic path.

2. Power on the analyzer.

3. Select the Menu option from the display.

4. Select MAINTENANCE/DIAG. from the main menu and press Enter.

5. Select the REAGENT CHANGES option and press Enter.

6. Set the BOTTLES FULL parameter to Yes and press Enter.

7. Press Esc to return to the MAINTENANCE/DIAG. menu.

Flow rate adjustment

1. From the MAINTENANCE/DIAG. menu select START UP and press Enter.

2. First, the system automatically primes both the calibration and reactivation tubes.

3. Check that there are no air bubbles in the reagent tubes for reactivation and auto calibration.

4. The next step allows you to regulate the sample flow rate on the measurement channel.

5. The analyzer automatically empties and refills the overflow vessel to determine the flow rate

which is displayed on screen.

6. The flow rate should be 6 to 9 L/hour.

7. Using a screwdriver, regulate the channel’s sample flow (No. 3 in Figure 1 on page 6) by turning

counter-clockwise to increase the flow rate or clockwise to decrease the flow rate.

8. The process is repeated until the flow is correctly regulated for the channel. At this point select

OK.

9. On completion, an Action completed message will be displayed. Select Esc to exit.

English 9

Sample pH conditioning check

Non-cationic applications

1. Install a calibrated pH sensor in the center position of the measurement chamber which is

normally used for the ISE sodium electrode (No. 1 in Figure 1 on page 6).

2. On the analyzer, press Start on the main menu to start the measurement process.

3. Check that the pH value of the sample after conditioning is greater than 10.5. If not, check the

quality of the conditioning product used.

Cationic applications

1. With a calibrated pH sensor, measure the pH of the sample outside of the analyzer.

2. Determine the gas injection time ratio depending on the sample pH. Enter this value into the

analyzer as described in Total gas/water ratio (cationic applications only) on page 14. The

standard values are:

• pH = 2.0 - Tgas/Twater ratio = 180%

• pH = 2.3 - Tgas/Twater ratio = 80%

• pH = 2.6 - Tgas/Twater ratio = 50%

• pH = 2.9 - Tgas/Twater ratio = 30%

• pH = 3.5 - Tgas/Twater ratio = 15%

• pH = 4.0 - Tgas/Twater ratio = 10%

3. Install the same pH sensor in the center position of the measurement chamber (No. 2 in Figure 1

on page 6).

4. On the analyzer, press Start on the main menu to start the measurement process.

5. Measure the pH in the conditioned sample to check if the pump ratios are efficient enough to

obtain a pH of around 11.0. If necessary, update the ratio to maintain a final constant pH of 11.0 ±

0.2.

Reference electrode installation

1. Remove the reference sensor from its box.

2. Remove the plastic reservoir from the bottom (the storage solution is KCl 3M) and install the O-

ring as shown.

3. With care, turn the bottom electrolyte tube ferrule with a maximum ¼ turn to lock it.

4. Remove the plastic plug on the entry port.

5. Install the reference electrode in the extreme left measurement chamber (No. 2 in Figure 1

on page 6).

6. Connect the reference cable (the one without the blue label on it) to the reference electrode.

7. Connect the electrolyte tube to the entry port on the reference electrode.

Sodium ion selective electrode installation

Note: It is critical to preserve the integrity of the sodium ion selective electrode as much as possible. This is why

this electrode must be installed at the very last moment after all other adjustments.

10 English

Table of contents

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