The Dräger VarioGard® Central Unit is at the center of a cost-efficient, modular gas detection system. A digital Bus makes it possible to connect and manage up to 100 transmitters for various gases.
A VarioGard system can be individually put together and programmed, in accordance with customer specifications. VarioGard Transmitter, VarioGard Relay Module, VarioGard Converter Module and VarioGard Battery Module can be selected as modules. The three-wire digital bus cable for connecting the individual modules can be up to 1100m long.
Type
Control unit for a Dräger VarioGard® system
Display
LCD; 2 lines, 20 characters; for concentrations, alarms and menu
Status indicator
3-colour LED; operation, alarm, service
Inputs
6 function keys
Alarm output
Internal horn, red status LED, LCD and alarm relay
Outputs
5 configurable, potential-free, normally-open relays for alarms and faults
Electrical connections
Power connection, relay outputs, system bus line, battery module, remote acknowledgement terminal, PC port
Temperature
-20 to 40°C
Humidity
10 to 95% rel. hum., non-condensing
Druck
700 to 1,300 hPa
Housing
Plastic ABS, light grey RAL 7035, IP65
M25 x 1.5 mains power connection
M20 x 1.5 (other)
