 Fixed Systems
|
|
GDS404
(1-4 Channel Gas Alarm)
|
|
|
 |
Versatile
System Configuration |
|
Flammable,
Oxygen, Refrigerant and Toxic Gases |
|
1
to 4 sensors (mV signal or 4~20 mA inputs) |
|
Plug
in sensor channels |
|
Two
alarm stages |
|
Selectable
alarm relays per channel |
|
Analogue
4-20mA output per channel |
|
Delay to alarm - option |
|
Internal Battery Backup - option |
|
|
|
The GDS 404 has been designed with features that provide an effective response to the detection of gas hazards in a wide range of environments, from commercial premises through to heavy industrial applications requiring hazardous area sensing.
Typical monitor locations are public buildings, boiler plant rooms, swimming pools, water treatment works, H&V control systems, manufacturing and processing plants. |
| Sensor
points |
1 ~ 4 |
| Measurements |
Combustible Gas - L.E.L., % vol, ppm
Toxic Gas - ppm, % vol
Oxygen - % vol Depletion/Enrichment
Any 4~20mA input signal |
| Power supply |
230/115v AC or 24v DC |
| Power Consumption |
12 watts - full alarm |
| Indicators |
Power - Green L.E.D.
Mains Fail - power indicator change green to amber
Alarms - Red L.E.D.s
Fault - Amber L.E.D.s
Digital Display - 3 1/2 Digit - gas readout
Sensor channel selection indicator - Amber L.E.D.
System test - Alarm L.E.D.s flashing
Alarm Relay Inhibit - Fault L.E.D. on |
| Outputs |
High Alarm Relay - Common D.P.C.O
Normally energised or de-energissed, latched or
unlatched
Low Alarm Relay - common D.P.C.O
Normally energised or de-energised, latched or
unlatched
|
|
|
|
