Dräger REGARD-1 - Intended Use of the Controller; 4-20 mA Transmitter Application; SE Ex Measuring Head Application

Intended use
Issue 5 - June 2005 Page 9 of 64 Pages
Intended use
Regard–1 single-channel controller for 4-20 mA transmitters
• For stationary, continuous monitoring of flammable or toxic gases and vapours,
oxygen deficiency or enrichment.
• Display of measured gas value.
• Indication of alarms and initiation of countermeasures.
• Indication of time-weighted average value, time-weighted average alarm output and
data logger (requires optional RS-232/TWA alarm circuit board).
Regard–1 single-channel controller for SE Ex measuring heads
• For stationary, continuous monitoring of flammable gases and vapours.
• Display of measured gas value.
• Indication of alarms and initiation of countermeasures.
• Indication of time-weighted average value, time-weighted average alarm output and
data logger (requires optional RS-232/TWA alarm circuit board).
The SE Ex device will not work with the Dräger SE Ex LC measuring head.
Both devices are suitable for use in residential, commercial and industrial environments.
The Regard-1 controller is certified according to the directive 94/9/EC (ATEX Directive)
to be operated with performance approved 4-20 mA transmitters (EC-type examination
certificate BVS 03 ATEX G 011X), or with Dräger SE Ex pellistor measuring heads.