·Zero point calibrating and sensor channel On/Off setting should be finished before
sensitivity calibrating.
4.3 Standard gas setting
Information on standard gas setting will be displayed.
·At normal measuring status, press and hold down "
" and "▲" for about 3 seconds, the
detector will be brought into sensitivity calibrating mode with audible indication.
·The user can adjust the gas type for calibrating by UP Key or DOWN Key, and affirm by "
". Then it will have a 20 seconds countdown
The Detector will automatically calculate the mean gas concentration value detected before within
20 seconds.
If gas is not detected, the tester will automatically show system error, press
" " key to return
normal measuring status.
