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Crowcon Xgard Type 1 | IS Toxic and O2 Gas Detector | Electrochemical, 2-wire 4-20 mA, Ex ia
Xgard Type 1 is the intrinsically safe member of the Crowcon Xgard range, using electrochemical cells for toxic gases and oxygen and a 2-wire 4-20 mA current-sink output. ATEX-certified versions come in glass-reinforced nylon or 316 stainless steel, and UL versions in aluminium or 316 stainless steel. It is certified II 1 G Ex ia IIC T4 Ga, with UL/cUL Class I Div 1 approval.
Key features
- Electrochemical sensing for toxic gases and O2
- 2-wire 4-20 mA loop, 11-30 V dc, 24 mA max
- Wall or ceiling mounting without extra brackets
- Plug-in spare sensors for simple replacement
- IP65 junction box
- Specifications
- Downloads
| Part Number | Xgard Type 1 |
| Brand | Crowcon |
| Sensor type | Electrochemical (toxic, O2) |
| Size | 156 x 166 x 111 mm |
| Weight | Nylon 0.5 kg; alloy 1 kg; 316 S/S 3.1 kg |
| Enclosure | ATEX: glass-reinforced nylon or 316 S/S; UL: aluminium or 316 S/S |
| Ingress protection | IP65 |
| Output | 2-wire 4-20 mA (current sink) |
| Supply | 11-30 V dc, 24 mA max |
| Operating temperature | -20 to +50 °C (sensor dependent) |
| Response time | T90 <15 s O2; <30-120 s toxic |
| Approvals | ATEX II 1 G Ex ia IIC T4 Ga; UL/cUL Class I Div 1 Groups A-D; IECEx |
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