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Crowcon T4 | Portable 4-Gas Detector | CO, H2S, LEL and O2, 18 h runtime
The Crowcon T4 is a portable four-gas detector covering carbon monoxide (0-1000 ppm), hydrogen sulphide (0-100 ppm), flammable gas (0-100% LEL) and oxygen (0-30% vol) in one rugged housing. A rechargeable Li-ion pack gives a typical 18 hours of use, and the single large button can be pressed while wearing gloves. It is intended for everyday personal protection across a wide range of sectors.
Key features
- Integrated rubber boot; drop tested to 4 m onto concrete
- Independently tested to IP65 and IP67
- TWA Resume keeps toxic exposure totals running through breaks in a shift
- Audible alarm above 95 dB with red/blue LEDs and vibrating alert
- 130 hours of data logging and up to 3500 events
- Optional clip-on filter plate for dusty sites
- Specifications
- Downloads
| Part Number | T4 |
| Brand | Crowcon |
| Gases | CO, H2S, flammable (LEL), O2 |
| Ranges | CO 0-1000 ppm; H2S 0-100 ppm; 0-100% LEL; O2 0-30% vol |
| Size | 135 x 80 x 35 mm |
| Weight | 282 g |
| Battery | Rechargeable Li-ion, 18 h typical, 5.5 h recharge |
| Alarms | >95 dB audible, red/blue LEDs, vibration |
| Data logging | 130 h; up to 3500 events |
| Operating temperature | -20 to +55 °C |
| Humidity | 10-95% RH at 40 °C, non-condensing |
| Ingress protection | IP65 and IP67 |
| Approvals | ATEX/UKCA/IECEx Ex db ia IIC T4 Gb; UL/cUL Class 1 Div 1; INMETRO; MED |
| Interface | USB communications lead |
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