PCE Instruments PCE-PWT 10 Bedienungsanleitung

PCE-PWT 10 Water Analysis Meter

User Manual

User manuals in various languages (français,

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product search on: www.pce-instruments.com

Last change: 18 April 2018

v1.0

English

Contents

1Safety notes........................................................................................... 1

2Introduction ........................................................................................... 2

3Keypad ................................................................................................... 2

4Display ................................................................................................... 3

5Prior to Use............................................................................................3

6Power On/Off .........................................................................................4

7Setting the Default Parameters............................................................5

8Conductivity Calibration ......................................................................7

9Single Point Calibration ....................................................................... 8

10 2 Point Calibration ................................................................................9

11 3 Point Calibration ..............................................................................10

12 Temperature Calibration ....................................................................10

13 Switching the Measurement Mode....................................................11

14 Measurement.......................................................................................11

15 Hold Function......................................................................................11

16 Electrode Care and Maintenance ......................................................11

17 Electrode Replacement ......................................................................12

18 Replacing the Batteries......................................................................12

19 Troubleshooting.................................................................................. 13

20 Specifications...................................................................................... 13

21 Delivery Content.................................................................................. 14

22 Optional accessories..........................................................................14

23 Warranty...............................................................................................14

24 Disposal ...............................................................................................14

1 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The

device may only be used by qualified personnel and repaired by PCE Instruments personnel.

Damage or injuries caused by non-observance of the manual are excluded from our liability and

not covered by our warranty.

• The device must only be used as described in this instruction manual. If used otherwise,

this can cause dangerous situations for the user and damage to the meter.

• The instrument may only be used if the environmental conditions (temperature, relative

humidity, etc.) are within the ranges stated in the technical specifications. Do not

expose the device to extreme temperatures, direct sunlight, extreme humidity or

moisture.

• Do not expose the device to shocks or strong vibrations.

• The case should only be opened by qualified PCE Instruments personnel.

• Never use the instrument when your hands are wet.

• You must not make any technical changes to the device.

• The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,

no abrasives or solvents.

• The device must only be used with accessories from PCE Instruments or equivalent.

• Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

• Do not use the instrument in explosive atmospheres.

• The measurement range as stated in the specifications must not be exceeded under

any circumstances.

• Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Introduction

Thank you for selecting the PCE-PWT 10 pocket salinity tester. This manual provides a step-by-

step guide to help you operate the meter, please carefully read the following instructions before

use. The following list describes the standard accessories of the tester. After unpacking, please

check that all accessories are complete. If any are damaged or missing, please contact the

nearest distributor.

3 Keypad

PCE-PWT 10 pocket salinity tester has a succinct membrane keypad, names and symbols which

describe each of the function key controls.

KEY

FUNCTION

MEAS/HOLD

● Power the tester ON/OFF.

● Freezes the measured values on the

display, press the key again to resume

measuring.

● In the calibration mode, exits calibration

and returns to measurement mode.

● Press the key to enter the calibration

mode.

● Press and hold the key to enter setup

menu.

● In the calibration mode, press the key to

set calibration values.

● In the setup mode, press the key to select

default option.

ENTER

● Confirms the calibration or displayed

option.

● Toggles between conductivity and salinity

measurement modes.

4 Display

The tester is equipped with a clear LCD display that is used to show measured value, mode

indicators and unit indicators.

INDICATOR

DESCRIPTION

MEAS

Indicates tester is in the measurement mode

CAL

Indicates tester is in the calibration mode

SETUP

Indicates tester is in SETUP mode

HOLD

Indicates the measured value has been frozen

ATC

Indicates temperature compensation is enabled

5 Prior to Use

● Remove the electrode protective cap from tester.

● Soak the electrode for a few minutes in tap water to remove dirt and oil stains on the

electrode.

ppm

ppt

6 Power On/Off

● Press MEAS key to turn on the tester, the display shows measured value.

● Press and hold the MEAS key for 5 seconds, the tester will turn off.

● If you do not press any key for 8 minutes, the tester will automatically turn off to conserve

energy.

 To disable the auto-off function, please read the SETUP MENU section.

PARAMETER

DESCRIPTION

OPTION

DESCRIPTION

DEFAULT

Calibration Point

1 point

●

2 points

3 points

Temperature

Unit

Degrees Celsius

●

Degrees Fahrenheit

Temperature

Calibration

Enters the temperature calibration

mode

Auto-Hold

Automatically freezes a stable reading

Disable

●

Auto-Off

Automatically turns off the tester

●

Disable

Reset

Restore factory settings

Disable

●

7 Setting the Default Parameters

1. Press and hold the CAL key for 3 seconds to enter setup menu, the tester shows current

selected number of calibration points.

2. Press CAL key again to select 1, 2 or 3 point calibration and press ENTER key to confirm.

The tester goes to temperature unit selection mode, the display shows “oC/UNIT”.

3. Press CAL key to select the temperature unit (oC or oF) and press ENTER key to confirm.

The tester goes to temperature calibration mode, the display shows “oC/CAL”.

4. If you do not want to perform temperature calibration, press ENTER key, the tester goes

to the next option. If needed, press CAL key to enter the temperature calibration mode,

the display shows current temperature reading.

Enter



Cal



5. Press CAL key to set temperature value and press ENTER key to confirm. The tester

shows “YES/HOLD” indicating that the auto-hold function is enabled.

If the auto-hold function is enabled, the tester will automatically sense a stable endpoint

reading and freeze it. If you disable this function, the tester allows the user to freeze the

reading by pressing the HOLD key.

6. Press CAL key to enable or disable the auto-hold function and press ENTER key to

confirm. The tester shows “YES/OFF” indicating that the auto-off function is enabled.

When the auto-off function is enabled, if you do not press any keys for 8 minutes, the tester will

automatically turn off to conserve energy.

7. Press CAL key to enable or disable the auto-off function and press ENTER key to

confirm. The tester shows “NO/RST” indicating it will not reset the tester.

WARNING:

Reset function will restore the tester back to factory default settings, all calibration values and

selected parameters will be reset.

8. Press CAL key to enable or disable the reset function. Press ENTER key to confirm, the

tester returns to measurement mode. Setting is completed.

EXIT THE SETUP MENU:

During the setup mode, press MEAS key, the tester will return to measurement mode

immediately.

Enter

8 Conductivity Calibration

PCE-PWT 10 pocket salinity tester allows up to 3 points calibration in the conductivity mode. To

ensure higher accuracy, we recommend that you perform 3 points calibration or select a standard

value close to the sample value you are measuring. The tester will automatically detect these

conductivity standard solutions and prompt the user to calibrate the meter. When the calibration

is done, all new calibration values will automatically override existing data. The following table

shows acceptable conductivity range of calibration solution for each measuring range.

MEASURING RANGE

CALIBRATION SOLUTION

RANGE

DEFAULT

0~20µS/cm

7~17µS/cm

10µS/cm

20~200µS/cm

70~170µS/cm

84µS/cm

200~2000µS/cm

700~1700µS/cm

1413µS/cm

2~20mS/cm

7~17mS/cm

12.88mS/cm

Ensure that you use fresh conductivity standard solution during the calibration. Do not reuse

calibration solutions as it may be contaminated and affect the calibration and accuracy of

measurement.

9 Single Point Calibration

1.1 Rinse the conductivity electrode with distilled water, then rinse with a small amount of

calibration solution.

1.2 Press CAL key, the tester enters the calibration mode.

1.3 Dip the conductivity electrode into the calibration solution, the tester immediately

shows current calibration standard (e.g., 1413µS/cm).

1.4 Press ENTER key, the default calibration value begins flashing.

1.5 Press CAL key to set each digit, press ENTER key to confirm. When the setting is

done, ensure the displayed value matches your calibration standard.

1.6 Press ENTER key to start the calibration. Wait for the reading to stabilize, the display shows

“END”. The tester returns to measurement mode automatically. Single point calibration is

completed.

Cal





Enter

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