Sensor Electronics SEC 3100 Instruction And Operation Manual page 13

To Span the sensor with calibration gas use the Up and Down arrows to select the following display.
ZERO 3
* SPAN
CAL. VAL
EXIT
Apply span gas to the sensor for the appropriate amount of time in order for the sensor to stabilize. The gas
reading is displayed to the right of ZERO. Once stable select Enter. This will go the display:
CALIBRATION PROCESS
------- DONE ----------
If calibration span gas is still present the display will read:
GAS LEVEL : 5
CALIB. GAS PRESENT
---- WAIT
Apply clean air to the sensor to reduce this reading.
The display will advance to the following:
* ZERO 0
SPAN
CAL. VAL
EXIT
This completes the calibration and the device can be put back into the normal operating mode.
Arrow Down to
ZERO
SPAN
CAL. VAL
* EXIT
Enter
* EXIT
Enter again and the SEC 3100 returns to normal operation.
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