Hach POLYMETRON 9245 Manuel rapide
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
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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.
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