Hach Sension ph31 Bedienungsanleitung

DOC022.97.90249

sensION™+ pH31

03/2013, Edition 3

User Manual

Manuel d'utilisation

Manual del usuario

Manual do Usuário

用户手册

取扱説明書

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Specifications

Specifications are subject to change without notice.

Specification Details

Dimensions 35 x 20 x 11 cm (13.78 x 7.87 x 4.33 in.)

Weight 1100 g (2.43 lb)

Meter enclosure IP42

Power requirements

(external)

100–240 V, 0.4 A, 47-63 Hz

Meter protection class Class II

Storage temperature –15 to +65 °C (5 to +149 °F)

Operating temperature 0 to 40 °C (41 to 104 °F)

Operating humidity < 80% (non-condensing)

Resolution pH: 0.1/0.01/0.001, ORP: 0.1/1 mV, temperature:

0.1 ºC (0.18 ºF)

Measuring error (± 1 digit) pH: ≤ 0.002, ORP: ≤ 0.2 mV, temperature: ≤ 0.2 ºC

(≤ 0.36 ºF)

Reproducibility (± 1 digit) pH: ± 0.001, ORP: ± 0.1 mV, temperature: ± 0.1 ºC

(± 0.18 ºF)

Data storage 330 results and last 9 calibrations

Connections Combined or indicator probe: BNC connector (Imp.

>1012Ω); Reference electrode: banana connector;

A.T.C. type Pt 1000: banana or telephonic

connector; magnetic stirrer: RCA connector

RS232C for printer or PC: telephonic connector;

external PC keyboard: mini DIN connector

Temperature correction Manual, Pt 1000 temperature probe (A.T.C.), NTC

10 kΩ probe

Isopotential pH programmable, standard value 7.00

Measurement display lock Continuous measurement, by stability and by time

Specification Details

Display Liquid crystal, backlit, 128 x 64 dots

Keyboard PET with protective treatment

Certification CE

General information

Revised editions are found on the manufacturer’s website.

Safety information

NOTICE

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

DANGER

Indicates a potentially or imminently hazardous situation which, if not avoided, will

result in death or serious injury.

W A R N I N G

Indicates a potentially or imminently hazardous situation which, if not avoided,

could result in death or serious injury.

English 3

CAUTION

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

injury.

NOTICE

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 instrument. Personal injury or

damage to the instrument could occur if not observed. A symbol, if noted

on the instrument, will be included with a danger or caution statement in

the manual.

This symbol, if noted on the instrument, references the instruction

manual for operation and/or safety information.

Electrical equipment marked with this symbol may not be disposed of

in European public disposal systems after 12 August of 2005. In

conformity with European local and national regulations (EU Directive

2002/98/EC), European electrical equipment users must now return

old or end-of-life equipment to the Producer for disposal at no charge

to the user.

Note: For return for recycling, please contact the equipment producer or supplier

for instructions on how to return end-of-life equipment, producer-supplied

electrical accessories, and all auxillary items for proper disposal.

Product overview

The sensION™+ meters are used with probes to measure various

parameters in water.

The sensION™+ PH31 meter measures pH, ORP (mV) or temperature.

Measurement data can be stored and transferred to a printer or PC.

Product components

Refer to Figure 1 to make sure that all components have been received.

If any items are missing or damaged, contact the manufacturer or a

sales representative immediately.

Figure 1 Meter components

1 Electrolyte for the probe 5 Power supply

2 Buffer solutions (pH 4.01, pH

7.00 and pH 10.01)

6 Rod with o-ring

3 Calibration beakers (with magnetic

bar inside)

7 Probe (included with kits only)

4 Probe holder 8 Meter

Installation

Assemble the probe holder

Follow the numbered steps to assemble the probe holder and to connect

the magnetic stirrer.

4 English

1 2

3 4

English 5

Connect to AC power

DANGER

Electrocution hazard. If this equipment is used outdoors or in

potentially wet locations, a Ground Fault Circuit Interrupt (GFCI/GFI)

device must be used to connect the equipment to its main power

source.

The meter can be powered by AC power with the universal power

adapter.

1. Select the correct adapter plug for the power outlet from the adapter

kit.

2. Connect the universal power adapter to the meter (Figure 2).

3. Connect the universal power adapter to an AC receptacle (Figure 3).

4. Turn the meter on.

Figure 2 Connector panel

1 Reference electrode (separated

electrodes) connector

5 PC keyboard, mini DIN connector

2 Separated temperature probe

connector

6 Temperature probe connector

3 RS-232 for printer or PC connector 7 Combined pH electrode (or

indicator) connector

4 Power supply 8 Magnetic stirrer connector

6 English

Figure 3 AC power connection User interface and navigation

User interface

Keypad description

1 RETURN key: cancel or exit the

current menu screen to the

previous menu screen

5 DOWN key: scroll to other options,

change a value

2 MEASUREMENT key: confirm the

selected option

6 ON/OFF: turn on or turn off the

meter

3 UP key: scroll to other options,

change a value

7 LEFT key: change the measuring

unit, enter numbers and letters

4 RIGHT key: change the measuring

unit, enter numbers and letters

Display description

The meter display shows the concentration, units, temperature,

calibration status, operator ID, sample ID, date and time.

English 7

Figure 4 Single screen display

1 Sample ID 4 Sample temperature (ºC or ºF)

2 Measurement unit and value (pH,

ORP (mV))

5 Visual measurement timer

3 Measurement mode or time and

date

Navigation

Use the to return to the previous menu. Use the measure key to

take a sample measurement or to confirm options. Use the arrow keys

to scroll to other options or to change a value. To change the

parameters use the arrow keys and . Refer to each task for specific

instructions.

Start-up

Turn the meter on and off

NOTICE

Make sure that the probe is connected to the meter before the meter is turned on.

Push to turn on or turn off the meter. If the meter does not turn on,

make sure that the AC power supply is properly connected to an

electrical outlet.

Change the language

The display language is selected when the meter is powered on for the

first time.

1. Use the or to select a language from a list.

2. Confirm with . The measurement screen shows DATA OUTPUT.

3. Select Deactivated if no printer or PC is connected and confirm.

Refer to Select the data output on page 11 for more information

about Data Output.

Standard operation

Calibration

W A R N I N G

Chemical exposure hazard. Obey laboratory safety procedures and wear all of

the personal protective equipment appropriate to the chemicals that are handled.

Refer to the current material safety data sheets (MSDS) for safety protocols.

Calibration settings

The calibration settings contain Calibration type, Calibration frequency

and Display options.

1. From the main menu use the or to select CALIBRATION.

Confirm.

2. Use the to enter the calibration menu.

3. Use the or to select the following options:

Option Description

Stability C.: Criterion by stability—select Fast, Standard or Strict.

Calibration type Calibration type—select Technical buffers,

DIN19266 Buffers, User Buffers, To a X value, data

introduction or Theoretical calibration. Refer to

Calibration types for more information.

8 English

Option Description

Cal. frequency Calibration reminder—can be set between 0–7 days

(default daily). The display shows the remaining time to

the new calibration. Refer to Set the calibration reminder

on page 10 for more information.

Display mV Display mV—select YES or NO to show mV.

Standard 220 mV Standard 220 mV—calibrate with a 220 mV standard

solution

To a X value To a X value—use a specific standard solution. Adjust

the value during the calibration.

Data introduction Data introduction Compensation—enter the

compensation value

Factory adjust Factory adjust—enter the compensation value

Calibration types

Different calibration types can be selected.

1. From the main menu use the or to select CALIBRATION.

Confirm.

2. Use the to enter the calibration menu.

3. Use the or to select Calibration type.

Option Description

Technical buffers pH 2.00, 4.01, 7.00, 9.21 and 10.01 at 25 °C

(77 °F)

DIN19266 Buffers pH 1.679, 4.006, 6.865, 7.000, 9.180, 10.012 and

12.454

User Buffers Selected when the technical or DIN19266 buffers

are not used. Refer to Technical buffer solutions

(DIN 19267) on page 18 for pH values of

specific buffer sets at varying temperatures.

Calibration to a X value To adjust manually any scale value of the

measured pH.

Option Description

Data introduction Manual probe constant introduction.

Theoretical calibration The probe calibration data is replaced at 25 °C

(77 °F).

Calibration procedure

This procedure is for general use with liquid calibration solutions. Refer

to the documents that are included with each probe for additional

information.

Note: Solutions should be stirred during calibration. For more information about the

stirring settings, refer to Change the stirring settings on page 12.

1. Pour the buffers or calibration solutions into the labeled calibration

beakers.

2. From the main menu use the or and and to select the

CALIBRATION parameter. Confirm.

3. If required select the Operator ID (1 to 10) and confirm.

4. Rinse the probe with deionized water and put the probe into the first

calibration beaker. Be sure that there are no air bubbles in the

membrane.

5. Push to Start calibration.

6. Push to measure the first calibration solution.

The next calibration solution is shown.

7. Rinse the probe with deionized water and put the probe into the

second calibration beaker. Be sure that there are no air bubbles in

the membrane.

8. Push to measure the second calibration solution.

The next calibration solution is shown.

9. Rinse the probe with deionized water and put the probe into the third

calibration beaker. Be sure that there are no air bubbles in the

membrane.

10. Push to measure the third calibration solution.

When the calibration is good, the display briefly shows Calibration

OK and then returns to the main menu.

Note: When a printer is connected the print menu opens and the result can be

printed.

English 9

View the calibration data

Data from the most recent calibration can be shown.

1. From the main menu use the or to select DATA LOGGER.

Confirm.

2. Select Display data.

3. Select Calibration data and confirm with . The last calibration data

is shown.

• pH-the slope and offset values are shown alternating with the

deviation (in %) and calibration temperature.

•ORP-the measured mV value and calibration temperature are

shown.

• Conductivity-the cell constant and calibration temperature for each

standard are shown.

Set the calibration reminder

The calibration reminder can be set between 0 to 23 hours or 1-7 days

(default 1 day). The display shows the remaining time to the new

calibration.

Note: When 0 days is selected, the calibration reminder is turned off.

1. From the main menu use the or to select CALIBRATION.

Confirm.

2. Use the to enter the calibration menu.

3. Use the or to select Cal. frequency and confirm.

4. Use the and to advance to the next step and use the or to

change a value. Confirm.

Push to start the calibration.

Sample measurements

Each probe has specific preparation steps and procedures for taking

sample measurements.

1. From the main menu use the or and and to select

MEASURE. Confirm.

2. Use the to change the following settings. Confirm every entry.

Option Description

Resolution Select the resolution: 1, 0.1, 0.01 (default) or 0.001

Measure Stability—select By stability Criterion: Fast (variation <

0.02 pH in 6 s), Standard (variation < 0.01 pH in 6 s) or Strict

(variation < 0.002 pH in 6 s). In continuous—enter the time

interval for the In continuous Acquis. interval (data storage or

printing data). By time—enter the time interval for data storage

or printing data.

Display mV Display mV—select YES or NO to show mV.

Limits Limits—select YES or NO. YES: Enter the upper and lower

limits. An acoustic warning appears when the measurement is

out of limit. The report output shows an A next to the

measured value when the measurement was out of limit.

Isopotential Isopotential—change the Isopotential pH value in Data

introduction. Select Calculate to calibrate the probe again.

3. Push to start the measurement.

Note: If the measurement is not stabilizing after 120 seconds, the meter turns

automatically into the continuous measurement mode.

Advanced operation

Use a sample ID

The sample ID tag is used to associate readings with a particular sample

location. If assigned, stored data will include this ID.

1. From the main menu use the or to select SYSTEM. Confirm.

2. Use the or to select Sample ID and confirm.

10 English

3. Use the or to select

Option Description

Automatic A consecutive number will be automatically assigned to every

sample.

Manual A keyboard or a barcode scanner is required to enter the

sample ID name before taking a measurement (maximum

15 characters).

Select the data output

Data can be stored or transferred to a printer or to a PC.

1. From the main menu use the or to select SYSTEM. Confirm.

2. Use the or to select Data Output and confirm.

3. Use the or to select

Option Description

Deactivated Select Deactivated if no printer or PC is connected.

For Printer Select Dot matrix printer or Thermal printer.

For Computer Select Terminal, LabCom or LabCom Easy. The LabCom

Software controls several modules, pH and conductivity

meters, automatic burettes, Samplers and so on from a

computer. The LabCom Easy software gets pH and

conductivity data from a PC.

Change the date and time

The date and time can be changed from the Date / Time menu.

1. From the main menu use the or to select SYSTEM. Confirm.

2. Use the or to select Date / Time and confirm.

3. Use the and to advance to the next step and use the or to

change a value. Confirm.

The current date and time will be shown on the display.

Adjust the display contrast

1. From the main menu use the or to select SYSTEM. Confirm.

2. Use the or to select Display contrast and confirm.

3. Use the and to adjust the contrast of the display and confirm.

Adjust the temperature

The temperature measurement can be adjusted at 25 °C (77 °F) and/or

85 °C (185 °F) to increase accuracy.

1. Put the probe and a reference thermometer in a container of water at

approximately 25 °C and allow the temperature to stabilize.

2. Compare the temperature read by the meter with that of the

reference thermometer. The difference is the adjustment value for

the meter.

Example: reference thermometer: 24.5 °C; meter: 24.3 °C.

Adjustment value: 0.2 °C.

3. Enter the adjustment value for the 25 °C reading:

a. From the main menu use the or to select SYSTEM. Confirm.

b. Use the or to select Readjust temp. and confirm.

c. Use the or to select 25 °C and confirm.

d. Use the arrow keys to enter the adjustment value for 25 °C.

Confirm.

4. Put the probe and a reference thermometer in a container of water at

approximately 85 °C and allow the temperature to stabilize.

5. Compare the temperature from the meter with that of the reference

thermometer. The difference is the adjustment value for the meter.

a. Use the or to select 85 °C and confirm.

b. Use the arrow keys to enter the adjustment value for 85 °C.

Confirm.

c. Select Save changes and confirm.

English 11

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