Special conditions for safe use according to EC type examination certificate BVS 03
ATEX G 011 X
Issue 5 - June 2005 Page 11 of 64 Pages
Special conditions for safe use according to EC type
examination certificate BVS 03 ATEX G 011 X
Vibration can cause malfunction of alarm and fault check procedures. Do not expose
the device to vibrations with frequencies above 55 Hz or amplitudes above 0.15 mm.
For safety relevant decisions only use the status of the relays. Do not use the display
reading or LED indications. Use a voltmeter between test points TP1 and TP2 for
calibration and adjustment of alarm set points.
Regard-1 4-20:
The alarm relays must be set latching when using transmitters with an output current
which can fall below 20 mA for concentrations above full scale.
Regard-1 SE Ex:
As a minimum, the relay of the main alarm (highest alarm threshold value) must be set
latching.
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