22May2002
Page
16
3.
Apply span calibration gas of exact concentration shown on LCD display using
calibration cup.
4.
When span calibration is complete, the transmitter will return to normal operation to
provide meter readings.
Note:
during span calibration and for a period of 5 minutes
after calibration, the smarter transmitter outputs 4.0mA to prevent activation of
alarms at the controller electronics.
5.
Remove calibration cup and allow sensor to recover. LCD display will show recov-
ery of sensor to zero.
