Return to Normal Operation
1. Select - Cal. Mode → Measure - Accept. (To return to sample measure).
2. Remove the flow meter on the Vent Port and connect a vent line.
3. Reconnect the instrument fittings and return to the original set-up.
The instrument is now in normal operation mode. When either zero or span calibration is initiated the
instrument will automatically open the valves to run a pressurised calibration.