Description
The Crowcon TXgard Plus is a flameproof (Ex d), ATEX, IECEx certified toxic or ogygen gas detector with a local LCD display. A wide range of sensors are available, which enables use in a variety of applications such as water treatment, oil and gas exploration, chemical plants and steel production.
| Gas | LTEL (ppm) | STEL (ppm) | Range Available |
| Carbon monoxide (CO) | 20 | 100 | 100, 250, 500, 1000ppm |
| Hydrogen sulphide (H2S) | 5 | 10 | 15, 20, 25, 50, 100, 200ppm |
| Oxygen (O2) | 19.5% Vol. typical alarm | 23.5% typical alarm | 25% Vol. |
Additional information
| Dimensions | 200 x 115 x 115mm (7.9 x 6.1 x 6.1ins) |
|---|---|
| Weight | 2.2kg (4.9lbs) |
| IP Rating | IP65 |
| Enclosure | Junction box: Marine grade alloy, Sensor housing: 316 stainless steel |
| Power | 10-30Vdc, 210mA max (relay version), 160mA max (non relay) |
| Cable Entry | 2 x M20 or 1/2” NPT |
| Temperature Range | -10°C to +55°C |
| Relative Humidity | 15 to 90% RH non-condensing |
| Calibration method | Via magnetically operated buttons |
| Electrical Output | 3 wire 4-20mA, sink or source |
| Terminals | Suitable for up to 1.5mm2 cable |
| Sensor Type | Electrochemical |
| Repeatability | +/- 2% FSD typically |
| Zero drift | +/- 2% FSD, 6 months typically |
| Performance | Tested in accordance with EN60079-29-1 |
| Approvals | Ex db IIC T6 Tamb -20°C to +55°C, Ex II 2 G |
| EMC compliance | EN 50270, FCC: CFR 47 Part 15, ICES-003 |
| Relays | No relays, With relays |
| Material | Stainless steel |
| Gas Type | Carbon Monoxide 0-1000ppm, Carbon Monoxide 0-100ppm, Carbon Monoxide 0-250ppm, Carbon Monoxide 0-500ppm, hydrogen sulphide, 0-100ppm, hydrogen sulphide, 0-15ppm, hydrogen sulphide, 0-25ppm, hydrogen sulphide, 0-50ppm, Oxygen 0-25% VOL |
