Amprobe WT-50 User Manual
WT-50
Dissolved Oxygen
Water Quality Meter
Users Manual
• Mode d’emploi
• Bedienungshandbuch
• Manual d’Uso
• Manual de uso
WT-50
Dissolved Oxygen
Water Quality Meter
Users Manual
September 2009, Rev.1
©2009 Amprobe Test Tools.
All rights reserved. Printed in China
English
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. Please check the “Where to Buy” section on www.
amprobe.com for a list of distributors near you. Additionally, in the United States and Canada InWarranty 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.
In USA In Canada
Amprobe Test Tools Amprobe Test Tools
Everett, WA 98203 Mississauga, ON L4Z 1X9
Tel: 888-993-5853 Tel: 905-890-7600
Fax: 425-446-6390 Fax: 905-890-6866
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
www.amprobe.com for a list of distributors near you.
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
tel: +49 (0) 7684 8009 - 0
*(Correspondence only – no repair or replacement available from this address.
European customers please contact your distributor.)
WT-50 Dissolved Oxygen Water Quality Meter
Probe connection & IrDA ports
1
LCD display
2
DC adaptor port
3
USB port
4
Operation keys
5
Battery cover (rear side)
6
Tripod mount hole (rear side)
7
DO probe
8
Primary screen displays
1
DO concentration
Temperature display
2
Date & Time display
3
Memory counter
4
Low battery indicator
5
6
Units of barometric pressure
Unit of salinity value
7
Freeze data
8
Stable readings indicator
9
10
Calibration mode
11
Memory Recall mode
12
Memory max/min./average review
POWR/SET KEY: Press key to turn on and off the meter. When
the meter is off, hold down for few seconds 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 >1second to disable
auto-sleep mode.
MODE/UP KEY: Press this key to switch % and ppm (or mg/l). In setting
mode, press to increase value.
MEMORY/DOWN KEY: Press to record current reading. In setting
mode, press to decrease the value.
MAX/MIN/AV/ENTER KEY: Press to view the max./ min. and average
of the memory in recall mode. In setting or calibration mode, press
to confirm and enter next step. Press with HOLD/REC key to activate
backlight.
WT-50 Dissolved Oxygen Water Quality Meter
CONTENTS
SYMBOLS ...............................................................................................................2
UNPACKING AND INSPECTION .............................................................................2
INTRODUCTION .....................................................................................................3
Features .............................................................................................................3
OPERATION ...........................................................................................................3
Auto Power Off ................................................................................................4
Set Up ................................................................................................................5
Calibration Mode .............................................................................................7
USB Interface Capabilities ...............................................................................7
SPECIFICATION ......................................................................................................8
MAINTENANCE AND REPAIR ................................................................................9
To Replace membrance ....................................................................................9
To Replace electrolyte solution ........................................................................10
TROUBLESHOOTING ..............................................................................................10
APPENDIX ..............................................................................................................11
MSDS of ELECTROLYTE .........................................................................................12
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