28
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NOTE
There may be large fluctuation in the zero point if the instrument has not been used for
a long time or, on the instruments initial adjustment. In cases like this, the zero
calibration mode will automatically change to sensor standardise mode.
Press
▲
or
▼
and adjust the value to
2500
±
100mVpp.
Wait for 2or 3 minutes for the readings to
stabiles.
Standardise and zero calibration will be done
after pressing SET.
5-5-2 Alarm test
This test is done to confirm the transmission condition by outputting signals
corresponding to gas concentration.
WARNING
・
Please notice other departments linked to the alarm system before the test and make
measures to avoid creating “emergencies”
Please follow these instructions
1.
Press and hold down TEST button for 3
seconds during detection mode. The LCD will
display “HOLD ZERO KEY”.
To interrupt, release your finger.
2. RI-2000R will go into alarm test mode and
“CONTACT: NO-ACT” will be displayed.
Press
▲
or
▼
to choose the contact operation.
NO-ACT: the contact will not act
ACT: the contact will act
3. Press SET to confirm the contact operation.
Flashing “TEST” will be displayed on the LCD
if “ACT” is chosen. If “NO-ACT” is chosen,
“TEST” on the LCD will not flash.
