5
MAKING MEASUREMENT:
1. Due to storage in different environment, the meter should be re-
calibrated before use.
2. Always soak the sensor in tap water for about 5 minutes before
making measurements or calibration.
3. Dip the sensor area into measuring liquid up to immersion level
and press the READ button.
4. Both displays will flash, while meter senses for a stable reading.
5. If large temperature difference between the meter and the
solution is apparent, then dip the meter in the solution for at
least 5 minutes before beginning any measurement. This is to
allow time for the sensor to come in equivalent with the liquid’s
temperature.
6. To display temperature during measurement, press the pH°C/F
button once will set display to read in temperature. Pressing
again will return display to pH.
Display in pH Display in temperature
7. When a stabilized reading is established, the display will stop
flashing and light up while alternating between pH and
temperature. Display light will automatically switch-off after 20
seconds after the last button activation. Pressing the LIGHT
button once will light up display.
8. If pH sensor has expired or failed to stabilized, pH/temperature
display will continue to flash. Disregarding pH reading. Salinity
and temperature readings can still be recorded after a minute.
9. To switch off the meter, press and hold down the READ button
for 3 seconds.
10. Always rinse the sensors with tap water and replace the
Protective Cap after use and before storage.
Notes on measurements
In the presence of certain radio transmitters, this product may
produce erroneous readings. If this occurs, measurements
should be repeated at another location.
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