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Crowcon Tetra 3 Multigas Personal Monitor - CH4, 02, H2S & CO

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T3R-06-EA
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Crowcon Tetra 3 Multi-Gas Personal Monitor - 4 Gas 3yr in Hand

Compact, robust, easy to use and with protection against combustion, the Tetra 3 is a must-have for detecting the presence of hazardous gasses in the workplace.

This version of the Tetra 3 is specially configured to detect the presence of four different gas types. It can detect CH4 (methane), O2 (and includes a 3 year sensor), HS2 (hydrogen sulphide) and CO (carbon monoxide).

When gas presence is detected the Crowcon Tetra 3 alerts the user in 3 ways. It will quickly begin to vibrate, will shine dual flashing LED indicators and will also emit a loud audible tone whenever gas is found, allowing the user to evacuate or take action immediately before gas concentration becomes particularly hazardous.

As well as alerting the user to the presence of gasses the Tetra 3 also has a top-mounted display that makes it easy to view direct measurements of gas concentration simply by looking down at the meter when it's clipped onto your clothing via the included clip.

Please note that the Crowcon Tetra 3 has been classified with ATEX II 2G EEx iad IIC T4 (tamb -20°C to +55°C) and BASEEFA05ATEX0187 ratings for Europe, international IECEx Ex iad IIC T4 (Tamb -20 to +55°C) and BAS05.0059 for international and Class I Division 1 Groups A, B, C, D pending for use in the USA. If you're working in a combustible environment, please check that this detector is suitable for use before you use it in the area.

Crowcon Tetra 3 Multigas Personal Gas Monitor Key Features 

  • Intrinsically safe design for use in dangerous environments
  • Detects and alerts the user to the presence of methane, oxygen, hydrogen sulphide and carbon monoxide
  • Single button operation - easy access to all functions, even when you're wearing gloves
  • Fully rechargeable batteries with average battery life of 16 hours per charger
  • IP67 water and dust resistance allows the meter to be directly submerged in water and continue operation
  • 95dB audible alarm when gas is detected
  • Vibration indicator
  • Extremely bright red/blue dual flashing LED indicators
  • Top-mounted screen makes it easy to see readings when the meter is clipped to your clothing
  • Overmoulded rubber casing for extra protection
  • 30 day countdown warning alerts the user to when the next calibration is due

What's Included?

  • Crowcon Tetra 3 Multigas Personal Gas Monitor
  • Battery
  • Charger
  • Power Pack
  • Manual
  • 2 Year Warranty

Crowcon Tetra 3 Technical Specifications

Weight 269g
Dimensions 112 x 72 x 49mm (tapers to 20mm)
4.4 x 2.8 x 1.9"
Gas Range Alarm UK/ROW Alarm USA
Flammable 0-100% LEL 20% LEL 10% LEL
Oxygen 0-25% 19/23.5% 19.5/23.5%
Hydrogen Sulphide 0-50ppm 5ppm 10ppm
Carbon Monoxide 0-500ppm 30ppm 35ppm
Typical Response Times Flammable 20s, Toxic Gas 30s, Oxygen 10s
Audible Alarms 95dBa
 Multiple alarm sounds allow selection of distinctive tones for 
different alarm levels
Visible Alarms Dual colour red/blue flashing LED pairs in gas hazard
Vibrating Alarm Internal vibrating alarm
Display Graphic LCD with backlight, giving simultaneous display for
all gas channels.
Graphic symbols for battery (with proportional indication of
 remaining operation time), healthy operation or fault warning. 
Start up indication when calibration is due within 30 days,
calibration overdue or service required
Display Mode Normal display for real time gas concentration levels.
Display recall for peak readings and TWA
Battery Rechargeable Li-Ion
Operating Time Based on four gas unit with flammable sensor > 16 hours
Sampling Diffusion or hand aspirator
Operating Temp Range -20 to +55°C (-4 to 131°F)
Humidity 0-99% RH
Ingress Protection IP65 and IP67
Approval Codes: Europe ATEX II 2G EEx iad IIC T4 (tamb -20 to 55°C)
BASEEFA05AATEX0187
Approval Codes: International IECEx Ex iad IIC T4 (tamb -20 to +55°C)
BAS05.0059
Approval Codes: USA Class I Division 1 Groups A, B, C, D pending
Safety Standards: Europe EN50014, EN50020, EN50018, 94/9/EC
 Safety Standards: USA & Canada  UL913, CSA22.2, 152
Operation Standards EN50270, EN50271, IEC61508, EN61779
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Additional Information
SKU T3R-06-EA
Manufacturer Part Code T3R-06-EA-Z
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