Riken Keiki GW-3, Operation Manual

Page: 44 / 75

5. Usage Instrucions 5-4. Performing air calibration
44 / 73
CAUTION

Perform air calibration in an environment that meets all of the following conditions:
・
Pressures, temperatures, and humidity levels are similar to pressures, temperatures, and humidity levels in
the actual usage environment.
・
In fresh air

Wait for the readout to stabilize before performing air calibration.

If the temperature difference between the storage location and usage location is 15 °C or greater, turn on the
power and allow the product to adjust to ambient conditions similar to those at the usage location for about
30 minutes. After this, air calibrate in fresh air before use.
1 Hold down the AIR button in measurement
mode.
The buzzer blips once, and air calibration starts.
2 Release the AIR button once the LCD display
changes from [Air HOLD] to [AdJ RELEASE].
The display automatically returns to measurement
mode once air calibration has been successfully
completed.
O2