O2 Detector-Calibration
NOTE: Otis Instruments recommends users of the OI-2100-O2 bump test the detector before using each day.
OI-2100-O2 detector factory default will prompt the user to calibrate the detector every 30 days. The user will be
prompted by the screen flashing CAL, please see calibration instruction below:
Screen Display
Detail
“O2 CAL”
NOTE: Only perform O2 calibration in normal ail
(20.9% Oxygen) that is free of hazardous gases.
1. Press and hold the yellow button for four seconds.
2. The display screen will show “CAL”, and the “O2”
icon will flash in the lower left corner.
3. After a successful calibration, the detector will emit
one beep, a vibration, and an LED flash.
4. After a unsuccessful calibration, the detector will
beep, flash, and continue to display “Cal”. If
several calibrations are failed, please contact your
local Otis Instruments representative.
11
