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Product Description
Crowcon Tetra 3 Multigas Detector is a compact, robust, and easy-to-use diffusion based detector. Single-button operation, small size, and clear top-mounted display make it a favorite in the market amongst those working in demanding industrial environments, such as those in the water, telecoms, food, brewing, or hydrocarbons sectors.
Features of Crowcon Tetra 3 Multigas Detector :
- Robust
- Alarms
- Reliable
- Performance
|
Gas |
Range |
Typical Alarms |
|
Flammable |
0-100% LEL |
20% |
|
Oxygen |
0-25% |
19/23.5% |
|
Hydrogen sulphide (H2S) |
0-100ppm |
5ppm |
|
Carbon monoxide (CO) |
1-500ppm |
30ppm |
|
Sulpher dioxide (SO2 ) |
0-20ppm |
1ppm |
|
Ozone (O3) |
0-1ppm |
0.1ppm |
|
Ammonia (NH3) |
0-100ppm |
25ppm |
|
*Carbon dioxide (CO2) |
0-5% |
0.5ppm |
Additional Information
| Weight | 1 kg |
|---|---|
| Manufacturer | Crowcon |
| Model No | Tetra 3 |
| Detectable Gases | O2, H2S, CO, SO2, NH3, O3, CO2, HCN and LEL |
| Display mode | • Normal display: Real-time gas concentration levels • Display recall: Peak readings and TWA |
| Alarms | • Audible 95dB multiple alarm sounds allow selection of distinctive tones for different alarm levels • Vibrating Internal vibrating alarm |
| Display | Graphic LCD with backlight |
| Datalogging | • Timed datalogging 50 hours at 1-min data rate ( >12,000 data logs of 4 channels) • Threshold logging Starts after adjustable pre-set level • Event logging >5,000 events |
| Battery | Rechargeable Li-ion battery |
| Operating Time | Based on four-gas instrument fitted with flammable sensor: A 5 hour charge from flat provides at least 12 hours of continuous use. A 12-hr charge provides 14 hours of continuous use |
| Sampling | Diffusion or hand aspirator |
| Operating Temperature | -20°C to +55°C |
| Operating Humidity | 15 to 95% RH non-condensing |
| IP Rating | IP65 and IP67 |
| PC connectivity | • RS232 connection from interface module in charger • RS232/USB converter available |
| Safety standards | • Europe: EN60079-0, EN60079-11, EN60079-1, 2014/34/EU • North America: CSA 22.2 • Operating standards: EN50270, EN50271, EN50104, EN45544, EN60079, IEC61508 |
| Certification | • Europe: ATEX II 2G Ex db ia IIC T4 Gb (-20°C ≤ Ta ≤ +55°C) Baseefa05ATEX0187 • International: IECEx Ex db ia IIC T4 Gb (-20°C ≤ Ta ≤ +55°C) BAS05.0059 • North America: CSA Class I, Division 1 Groups A, B, C and D |
| Dimension | 114 X 71 X 48 mm |
| Weight | 295 Grams |
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