SITRANS FCS200
Operating Instructions, 02/2011, A5E02508199-01
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6
Commissioning
Before commissioning it must be checked that:
● The device has been installed and connected in accordance with the guidelines provided
in chapter 4 "Installing / Mounting (Page 15)" and 5 "Connecting (Page 19)"
● De
vice installed in hazardous location meets the requirements described in "Installation in
hazard
ous location (Page 10)"
6.1 Zero point adjustment
Commissioning the device includes performing a zero point adjustment. In the following it is
described how to prepare for a zero point adjustment, and how to activate an auto zero point
adjustment.
Before zero point adjusting
● Make sure the shut-off valves before and after the sensor are fully opened.
Figure 6-1 Installation with shut-off valves
Auto zero point adjustment
1. Power up and acclimate the transmitter (min. 30 min).
2. Pump gas at max. flow through the sensor (min. 2 min).
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