Starting The Serviceability Test; Result Of The Serviceability Test - Dräger FG7000 Operating Instructions Manual

Operating Instructions Dräger FG7000

9.4.2 Starting the serviceability test

Increase the pressure in the gas line to 50 mbar with a hand pump via
a valve. Then, close the valve on the pump and start the measurement.
The measurement is automatically started after a stabilization phase of
30 sec.
The current pressure, the pressure at the beginning of the measure-
ment, the measurement time elapsed so far, the drop in pressure and
the currently calculated leak rate are shown.

9.4.3 Result of the serviceability test

The measurement is concluded after one minute and the entered vol-
ume, the pressure at the beginning of the measurement, the measured
drop in pressure and the calculated leak rate in liter/hour based on the
operating pressure are shown.
In conclusion of the measurement, the piping system must be
assessed. In addition to the amount of leakage, the external
condition and functionality of the components must be included
in the assessment.
23 5695061
Edition 01 – April 2016
en