Amprobe WT-60 Manual de usuario

Users Manual

• Mode d’emploi

• Bedienungshandbuch

• Manual d’Uso

• Manual de uso

WT-60

Conductivity / TDS

Water Quality Meter

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WT-60

Conductivity / TDS

Water Quality Meter

Users Manual

September 2009, Rev.1

English

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Limitation of Liability

Your Amprobe product will be free from defects in material and workmanship for 1 year from the

date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident,

neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers

are not authorized to extend any other warranty on Amprobe’s behalf. To obtain service during the

warranty period, return the product with proof of purchase to an authorized Amprobe Test Tools

Service Center or to an Amprobe dealer or distributor. See Repair Section for details. THIS WARRANTY

IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED OR STAUTORY -

INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY,

ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,

INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY.

Since some states or countries do not allow the exclusion or limitation of an implied warranty or of

incidental or consequential damages, this limitation of liability may not apply to you.

Repair

All test tools returned for warranty or non-warranty repair or for calibration should be accompanied

by the following: your name, company’s name, address, telephone number, and proof of purchase.

Additionally, please include a brief description of the problem or the service requested and include

the test leads with the meter. Non-warranty repair or replacement charges should be remitted in the

form of a check, a money order, credit card with expiration date, or a purchase order made payable to

Amprobe® Test Tools.

In-Warranty Repairs and Replacement – All Countries

Please read the warranty statement and check your battery before requesting repair. During the

warranty period any defective test tool can be returned to your Amprobe® Test Tools distributor

Warranty repair and replacement units can also be sent to a Amprobe® Test Tools Service Center

(see below for address).

Non-Warranty Repairs and Replacement – US and Canada

Non-warranty repairs in the United States and Canada should be sent to a

Amprobe® Test Tools Service Center. Call Amprobe® Test Tools or inquire at

your point of purchase for current repair and replacement rates.

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your Amprobe® Test Tools

distributor for a nominal charge. Please check the “Where to Buy” section on

European customers please contact your distributor.)

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WT-60 Conductivity / TDS Water Quality Meter

Probe socket

LCD display

Adaptor port

USB port

Operation keys

Probe

Temperature sensor

Battery cover (rear side)

Tripod mount hole (rear side)

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Conductivity reading (unit: uS or mS )

or TDS reading (unit: ppt or ppm or mg/l)

Display temperature in either degree

Celsius or degree Fahrenheit

Freeze display

ATC to indicate auto temp. compensation

READY to indicate the reading is stable

low battery indicator

POWR/SET KEY: Press key to turn on and off the meter.

When the meter is on, hold down for > 2 seconds to enter setting

(SET)mode.

CAL/ESC KEY: Press key > 2 seconds to enter calibration mode. While

in calibration or setting mode, press to return to previous mode.

HOLD KEY: Press key to freeze current reading. Press again to

unlock. When the meter is off, press SET+HOLD simultaneously > 1

second to disable auto-sleep mode.

MODE KEY: Press this key to switch Cond. & TDS. Press > 2 seconds

to manually set range. In setting or calibration mode, press to

increase value.

DOWN KEY: Press to record current reading. In setting mode, press

to decrease the value.

ENTER KEY: In setting or calibration mode, press to conﬁrm and

enter next step.

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WT-60 Conductivity / TDS Water Quality Meter

CONTENTS

SYMBOLS.................................................................................................................2

UNPACKING AND INSPECTION ...............................................................................2

INTRODUCTION .......................................................................................................2

Features ...............................................................................................................3

OPERATION .............................................................................................................3

Auto Power Off ..................................................................................................4

Set Up ..................................................................................................................5

Calibration Mode ................................................................................................8

Conductivity calibration .............................................................................8

TDS calibration ............................................................................................9

SPECIFICATION.......................................................................................................10

MAINTENANCE AND REPAIR ................................................................................11

Battery Replacement .......................................................................................11

USB PC INTERFACE CAPABILITIES .........................................................................12

TROUBLESHOOTING..............................................................................................12

APPENDIX A...........................................................................................................14

APPENDIX B ...........................................................................................................15

APPENDIX C ...........................................................................................................15

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Caution ! Refer to the explanation in this Manual

Conforms to relevant Australian standards

Complies with European Directives

Do not dispose of this product as unsorted municipal waste.

Warning and precaution

SYMBOL

• Do not make the air bubble adhere on the electrode. That may cause

inaccurate reading.

• Do not operate the meter in ammable liquid.

UNPACKING AND INSPECTION

Your Shipping carton should include:

1 WT-60 Conductivity / TDS Water Quality Meter

1 Probe

4 AAA batteries

1 User's Manual

If any of the items are damaged or missing, return the complete packag to the

place of purchase for an exchange.

INTRODUCTION

Congratulations on your purchase of WT-60 Conductivity/TDS water quality

meter. Conductivity measurements are used extensively in many industries.

For example, conductivity measurements are used to monitor quality in public

water supplies, in hospitals, in boiler water and industries which depend on

water quality such as brewing. WT-60 is a convenient instrument to measure

water conductivity, TDS and temperature.

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Fig. 1

Features

• Dual display with ATC (°C / °F switchable)

• Data hold to freeze display

• Selectable conductivity to TDS conversion factor

• USB download capabilities

• Low battery indicator.

• Auto power off

• Maximum 5 calibration points

OPERATION

Conductivity Measurement

1. Select range:

Meter is defaulted at "auto-ranging" which determines and selects the

range and gives the greatest resolution and accuracy. Alternatively, you can

manually select by pressing MODE >2 seconds. 5 ranges for selection and

“rAn” (auto ranging). It cycles from 1 to 5 and get back to auto. (Fig. 1)

2. Automatic Temperature Compensation:

The meter is defaulted as ATC on. To disable ATC, refer to programming

setting P1.3 and P3.3 for manual temp. compensation.

3. ASetting correct temperature coefﬁcient:

Factory default is 2.1% per C (temperature coefﬁcient) and this provides

good results for most applications. Refer P3.1 if a different value is needed.

4. Select normalization temperature:

Factory default is 25 °C. Refer P3.2 if a different value is needed.

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5. Rinse the probe with deionized or distilled water to remove any impurity

adhering to electrode body. If the electrode isn't used for a long time,

please soak probe for more than 8 hours to clear up the lazy effect of the

probe.

6. Dip the probe into the sample. Make sure no air bubbles are tapped on

the slot of the probe. To remove air bubbles, stir the probe mildly and

make sure the electrode tip is submerged.

7. Stir the probe gently to create a homogenous sample.

8. Take readings. When the reading is stable, "READY" will display on the

left-middle LCD.

TDS Measurement

1. Set a correct TDS conversion factor. Factory default is 0.50. Refer P1.1 if a

different value is needed. See Appendix A & B for more information.

2. Select range & ATC/manual TC per your application.

3. Take readings. Press "MODE" to switch to TDS mode and get the reading.

Auto power off

This meter will shut off automatically 20 minutes of inactivity. To disable the

auto power off, pressing "SET" + "HOLD" keys simultaneously while turning on

the meter until a "n" appeared on the screen and then release keys to return to

normal mode. (Fig.2)

Fig. 2

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Setup

The advanced setup mode lets you customize your meter.

4 types parameter are available.

P1.0: Meter conﬁguration: (CoF)

P1.1:TDS factor(tdS)

P1.2: READY indicator:(rdy)

P1.3: ATC or Manual TC: (Atc)

P2.0: Unit :(Unt)

P2.1 select OC or OF:(t)

P2.2 select ppm or mg/L: (tdS)

P3.0: temperature parameters: (t)

P3.1: Temperature coefﬁcient:(tCo)

P3.2: Normalization temperature:(nor)

P4.0: View calibration data (CAL)

P5.0: Electrode data:(ELE)

P7.0: Reset to factory default setting(rSt)

P1.0: Meter conﬁguration: (CoF)

P1.1: TDS factor (tdS):

The dissolved salts increases conductivity but the effect varies from sal to

salt and is roughly linear in a given range for a given salt. The TDS

conversion factor is used to convert conductivity into TDS.

In P1.0, press ENTER to enter P1.1. Press again to see TDS factor ashes on

LCD (Fig.3). Press UP/DOWN to change the value from 0.40 to 1.00. The

default value is 0.50. Press ENTER to conﬁrm and enter P1.2.

Fig. 3

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