Amprobe WT-40 Manual de usuario

WT-40

Dual Display

pH, mV & Temp. Meter

Users Manual

• Mode d’emploi

• Bedienungshandbuch

• Manual d’Uso

• Manual de uso

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

WT-40

Dual Display

pH, mV & Temp. Meter

Users Manual

September 2009, Rev.1

English

Test Equipment Depot - 800.517.8431 -

99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

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 for an exchange for the same or like product.

Additionally, in the United

States and Canada In-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.

WT-40 Dual Display ph, mV & Temp. Meter

Probe socket

Operation keys

USB port

Tripod mount hole (rear side)

pH probe temperature plug

LCD display

Adaptor port

Battery cover (rear side)

pH propbe with soak bottle

Meter

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

meter is on, hold down for >1 second to enter setting mode.

CAL/ESC KEY: Press to switch normal and calibration mode. While in

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

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

unlock. Press >1 second to switch normal and recall mode. When the

meter is off, press SET+HOLD simultaneously >1 second to disable

auto-sleep mode

MODE/UP KEY: Press this key to switch pH and mV. In setting or

calibration mode, press to increase value.

MEMORY/DOWN KEY: Press to record current reading. In setting or

calibration mode, press to decrease the value

MAX/MIN/ENTER KEY: Press to view the max./ min. of the memory

in recall mode. In setting or calibration mode, press to conﬁrm and

enter next step.

pH reading in unit pH or mV

Low battery indicator

READY to indicate the reading

is stable

Review maximum and

minimum record

Freeze display

Meter is in recall mode

Total numbers of records

Real time clock

The meter is in auto temp.

compensation status

Temperature unit. oC or oF is

selectable

Meter is in calibration mode

LCD

WT-40 Dual Display ph, mV & Temp. Meter

CONTENTS

SYMBOLS...............................................................................................................1

UNPACKING AND INSPECTION ............................................................................1

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

Features ............................................................................................................2

OPERATION............................................................................................................2

Starting Up ........................................................................................................2

pH/mV Measurement........................................................................................2

Manual Temperature Compensation (MTC) ...................................................3

HOLD Function ..................................................................................................3

Memory Record.................................................................................................3

Memory Recall...................................................................................................3

Backlight ...........................................................................................................4

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

Setup .................................................................................................................4

Calibration.........................................................................................................7

SPECIFICATIONS ....................................................................................................8

MAINTENANCE AND REPAIR ................................................................................8

Battery Replacement .......................................................................................9

USB PC Interface Capabilities ..........................................................................9

TROUBLE SHOOTING.............................................................................................9

MSDS......................................................................................................................11

Test Equipment Depot - 800.517.8431 -

99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

SYMBOLS

WARNINGS AND PRECAUTIONS

Please always keep the electrode glass bulb wet by using the soak bottle to

protect and store the electrode.

Always rinse the pH electrode and reference junction in de-ionized water

before next use.

Never touch or rub glass bulb to lengthen the electrode life.

Recommend soak the electrode for at least 30 minutes before using,

especially if the electrode dries out between uses or after long time unuses.

UNPACKING AND INSPECTION

1 WT-40 meter

1 pH Probe with soak bottle

3 pH standard solution (4, 7, 10, non-NIST)

4 AAA battery

1 Manual

Caution ! Refer to the

explanation in this Manual Complies with European

Directives

Complies with European

Directives Do not dispose of this meter

as unsorted municipal waste.

Contact a qualiﬁed recycler for

disposal.

INTRODUCTION

Congratulations on your purchase of WT-40 water quality meter. A convenient

instrument to measure water pH, mV and temperature value.

FEATURES

• Automatic buffer recognition to avoid pH calibration error.

• Hold function to freeze the record.

• Max./Min. review of memorized data.

• Backlight for dark environment operation.

• Easy to view pH probe calibration data.

• USB connection for data download to a PC

• pH electrode with automatic temperature compensation.

• Auto power off to save battery power

OPERATION

Starting Up

1. Install batteries or connect with an adaptor to the power socket.

2. Connect pH electrode to the BNC port on the top of the meter. To

activate ATC, please also connect the temperature sensor plug to the

socket next to BNC.

3. Available parameters for pH probe are pH value, mV value &

Temperature.

pH/mV Measurement

WT-40 is designed to take reading with automatic or manual temperature

compensation. Automatic temperature

compensation only occurs when the temp.sensor is plugged. For manual

temperature compensation, the default setting is 25 oC. You can manually

adjust the temperature.

Be sure to remove the pH electrode soaker bottle before measurement. To

take the readings:

1. Rinse the probe with de-ionized or distilled water before use to remove

any impurities adhering to the probe. If the electrode is dehydrated, soak

it for 30 minutes in KCl solution.

2. Press “POWER” key to power on. “ATC” icon appears to indicate

automatic temp. compensation while the temp. probe is plugged.

3. Dip the electrode into the sample, the electrode must be completely

immersed into the sample. Stir the probe gently to create a homogenous

sample.

4. Wait until the “READY“ icon appears. (Fig. 1)

5. To toggle between pH and mV, press “MODE” key.(Fig.2)

Manual Temperature Compensation (MTC)

Simply disconnect the Temp. sensor from meter and select the mode as pH. To

set the temperature, press “ENTER” KEY more than 1 second until ”CR“ ﬂashes

on LCD. Press “ “or “ ” key to change the temperature value and press

“ENTER” key to save and return to normal measurement mode.

HOLD Function

To freeze the current readings while in normal measurement mode. To hold

the readings, press “HOLD” key in measurement mode, " HLD “appears on the

display. To release the holding value, press “HOLD” key again. (Fig.3)

Memory Record

The meter can store each parameter for up to 99 records. To record:

1. In any measurement or HOLD mode, press “MEM” key to save data.

2. Memory number & measured value will ﬂash then return to measurement

mode. (Fig. 4). New data can not be saved if the memory is full. To

continuously save new memory, it is needed to clear up existing 99

memories.

Memory Recall

Recall function can review previous saved record. To recall record:

1. Press “REC” key > 2 seconds to enter recall mode. "REC“ icon will ﬂash on

the LCD.

2. Press “ ” or “ ” key review memory one by one.

3. Press “MI/MX/AV” key to view the minimum & maximum value of the

memory. (Fig. 5)

4. To exit memory recall, press “REC” key > 2 sec. to return to measurement

mode. All records are retained even the meter is powered off.

Backlight

Press any key to activate the backlight function. The backlight turns off

automatically after 10 seconds of inactivity.

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.

Setup

The advanced setup mode lets you customize your meter.

7 parameters are available in this model.

P2.0: Clear memory

P3.0: Electrode data

P4.0: PH buffer selection

P5.0: READY indication

P6.0: Temperature unit

P7.0: Real time clock

P8.0: Reset

To enter SETUP mode, hold down “SET”key >1 second while in normal

measurement mode. Press “ ” or “ ”to select parameters and press

“ENTER”for parameter settings. To exit any setting, press “Esc” key.

Note: P1.0 memory transmitting function is not available in this model.

P2.0 Memory Clear(CLr)

To clear the stored data, press “MODE” key to select the parameter (pH or

mV) which you want to clear before entering setup mode.

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