Wait for the stabilization time on power-up.
For a LEL detector, it is recommended to calibrate with the targeted
gas. Should the operator calibrate with another gas, please refer to
tables on pages 28 to 30 to know the recommended calibration gas and
the cross sensitivity factor.
Zeroing (OLCT 100)
Proceed as follows:
038
Figure 14: Zeroing and Sensitivity adjustment (OLCT 100)
Inhibit any alarm signals on the controller.
2. Insert the blue and green plugs on the measurement lead into the + and -
multimeter sockets, respectively (Figure 14, "H")
3. Insert the measurement lead plug into connector "A".
4. Place the calibration cup on the detector head ("D").
5. Connect the calibration cup to the pure air cylinder "G" by using a flexible hose
"E".
6. Open the valve "F" on the pure air cylinder (flow rate 30 to 60 litres/h).
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