Crowcon Tetra 3 Multi Gas Detector

Product Id : 3731


Crowcon Tetra 3 Multi Gas Detector is a reduced, powerful and simple to-utilize diffusion based detector. The single catch operation, little size, and clear best-mounted display make it a most favorite in the market among those working in requesting industrial environment, for example, those in the water, telecoms, sustenance, preparing or hydrocarbons areas.

Applications: (Petro)chemical plants and factories, Tank storage parks, Wastewater treatment facilities, Mining industry, Construction sites, Governments/first responders, Food and beverage industry.

100 in stock

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Country : United States

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



Typical Alarms


0-100% LEL





Hydrogen sulphide (H2S)



Carbon monoxide (CO)



Sulpher dioxide (SO2 )



Ozone (O3)



Ammonia (NH3)



*Carbon dioxide (CO2)



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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