Introduction; Features; Operation - Amprobe WT-20 User Manual

INTRODUCTION

Congratulations on your purchase of WT-20 Conductivity
TDS meter. A convenient instrument to measure water
conductivity, TDS and temperature.

Features

• IP65 Waterproof housing.
• Dual display with ATC (°C / °F switchable)
• Data hold to freeze display.
• Low battery indicator.
• Auto power off.
• One touch only for calibration.

OPERATION

1. Remove the electrode cover to expose the
electrode out.
2. Press "POWER" to power on. LCD will display
parameters (ex: tnr, tCo, tds, rAn) in turns and
then enter normal display.
3. The meter is default in auto-ranging status. Press
"MODE" key more than 2 seconds can manually
select the range when the meter is in normal
measurement mode.
4. Set the temperature coefficient to the right value.
WT-20 is factory set to 2.1% per °C. if needed, see
P1.3 to set the temperature coefficient.
5. Select the normalization temperature. WT-20 is
factory set to 25 °C. See P1.2 to change it to 20 °C.
6. Rinse the probe with deionized or distilled water
before use to remove any impurities adhering
to the electrode. Soak the probe more than 30
minutes to clear up the lazy effect of probe if the
meter is stored for a long time.
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