Class1 Digital Display - Manual (Page 25)

25
Breathing Air
Calibration for Breathing Air Gauge installations:
Empty Cylinder (Closed Valve)
With the air bottle closed and the system purged, enter
the calibration password.
L L L R R R
The left (0%) bar will flash to indicate that you are ready to calibrate for an
empty system.
Activate the left switch followed by the right switch.
The right (100%) bar will flash to indicate that the display is ready to calibrate
for a full system.
Maximum Air
With a full air bottle and the valve open actuate the right switch
and then the left switch.
Calibration is complete.
Calibration should be accomplished using an air cylinder filled to the locally
established maximum pressure.
Dual Displays
The Class1 Dual Current Amplifier (PN 103282) should be used whenever two displays
are operated from one current transducer (aerial loading, air pressure and oxygen gauges).
A harness is available to simplify the installation (PN 103283)