The GDS Defender is our most cost effective gas detection solution. The control unit has an advanced design using the latest technology, with versatility to accommodate numerous environments such as swimming pools, breweries and car parks.
GDS Defender
| Channels | 1-4 Zones 1 to 16 sensors (Standard) 1 to 64 Sensors (4 Zones, 16 per Zone) Additional Power Supply Required |
| Measurements | Combustible Gas – L.E.L, % Vol. Toxic Gas – ppm, % Vol. Oxygen – % Vol. – Depletion / Enrichment Refrigerant – ppm Any 4~20mA Transmitter |
| Sensor Types | Catalytic, Electrochemical, Infrared, PID, Semiconductor |
| Relays | Four Selectable Relays S.P.C.O. 3A @ 230v AC N/E – N/D Latched / Unlatched Each Zone A1/A2/A3 or A2/A3 only or Global (All Zones 1-4) |
| Sensor Cable | 3 Core 1mm² Cable Length – 200m Max x4 |
| Power | 115/230v AC or/and 24v DC ± 15% 50/60Hz 3Watts – Full Alarm |
| Panel Indication | Alarm Red LED / Sounder Display Text A1, A2, A3Fault Amber LED / Sounder Display Text Flt (Fault) Display Inhibit |
| Audible Alarm | Internal 85dB @ 30cm Open Collector Driver Output – 100mA @24 v DC (follows internal sounder operation) |
| Digital Communications | CANbus (When used with the GDS Combi Controller) |
| Operating Temperature | -10 to + 50°C |
| Storage Temperature | +5°C to +55°C |
| Humidity | 0-95 non condensing |
| Ingress Protection | IP65 |
| Dimensions | H-150 L-200 D-80mm |
| Weight | 920 gms |
| Enclosure Material | Polycarbonate |
| Standards | EMC BS EN 50270 Low Voltage BS EN 61010-1 |
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