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. |
