16
4-3. How to start the purity meter
When the power is turned on, self-diagnosis starts, and then the purity meter enters the measuring mode.
Power-on
Press and hold the POWER switch until the buzzer blips to turn on the power.
When the power is turned on, the LCD display changes automatically as shown below, and the purity meter
enters the measuring mode.
Keep the POWER switch pressed for three seconds or more.
Hold it down until
all the LCDs and
alarm lamp light
up and the buzzer
blips.
All LCDs light
up
▼
Self-diagnosis
(Battery level)
Display example:
March 10, 2014
23:47
BATTERY (battery level)
: OK (no problem)
▼
Self-diagnosis
(UV intensity)
Display example:
BRIGHTNESS (UV intensity)
: OK (no problem)
▼
Self-diagnosis
(Contrast)
Display example:
CONTRAST
: OK (no problem)
▼
Buzzer sounds
twice
(Beep, beep)
Measuring
mode
8.
CAUTION
Before performing gas measurement after startup, make the unit draw in sufficient fresh air. If
zero is not displayed, perform reference calibration (see "4-6. Reference calibration").
