Field Calibration Procedure - Teledyne First Responder CG User Handbook Manual

Field Calibration Procedure

1. Zero gas range before attempting calibration. See
previous section ZEROING THE INSTRUMENT
for details.
2. Make sure that the instrument pump is running
and the gas range selected is compatible with the
calibration gas.
Note: A single press of
OFF / ON.
3. Remove the cap from calibration gas cylinder. Make
sure that the regulator valve is in the fully closed
position (Off) then connect the gas regulator to the
gas cylinder (push down gently and tighten clockwise,
hand tight). See Figure B-5 for details.
(Button 1) toggles the pump
Fig. B-5 Connecting Gas
FIELD CALIBRATION
B-5