Description - Dräger REGARD-1 Installation, Operation And Maintenance Manual

Description

Description
The device is available in two versions: 4-20 mA or SE Ex, with or without gas level
display.
An additional "Options circuit board" is available that provides an isolated 4-20 mA
output, TWA alarm relay and data logger with RS-232.
Two 1.2AH lead-acid batteries can be fitted inside the device's enclosure to provide
continued operation for several hours if AC power is interrupted.
Display board
Lead-acid batteries
Main circuit
board
Pellistor board
Options circuit board
Cable entry area
Issue 5 - June 2005 Page 12 of 64 Pages