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Crowcon Tetra 3 Gas Monitor

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Price: From $726.00 to $835.00
Mfr. Part Number: Tetra3

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The Tetra:3 Multi-gas monitor is the newest addition to the Tetra family.  Tetra:3's single button operation, small size and weight make it the easiest to use gas detector on the market.  Based on the proven and highly successful Tetra product, Tetra:3 is designed for use in demanding industrial environments.  Despite its compact size the Tetra:3 is the ultra-rugged and water-proof.
  • Up to 4 gases in a small and lightweight design
  • Single button operation for all functions, can be operated with gloved hands
  • Rugged impact resistant design provides extra shock and vibration protection
  • Reliable Lithium-ion battery provides over 16 hours continuous operation from a single charge with no memory effects
  • Water and dust resistant to IP67, can be submerged in water
  • Rapid and effective warning with a 95 dBa audible alarm, an extremely bright red/blue visual alarm and vibrating alarm as standard
  • Top mounted, backlit display of all gas readings, diagnostics and battery life
Alarm UK
Alarm USA
Hydrogen Sulphide
Carbon Monoxide
Required ranges and alarms may vary by country and application and these can be configured as required.  Each gas channel can have two instantaneous alarm levels set.  Toxic channels also have Time Weighted Average alarms.  Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.  T3 is also available in a non-certified CO2, option replacing hte flammable sensor.
Typical response time: Flammable 20s, Toxic gas 20s, Oxygen 10s
Audible alarms: 95dB, Multiple alarm sounds allow selection of distinctive tones for different alarm levels
Visible alarms: Dual color red/blue flashing LED pairs in gas hazard
Vibrating alarms: Internal vibrating alarm
Datalogging: Timed datalogging: 50 hours at 1 minute data rate (3000 records); Threshold logging (starts after adjustable present level); Event logging: >1500 events
Operating Time: Based on four gas unit with flammable sensor >16 hours
Operating Temp Range: -4F to +131F; Toxic and Oxygen sensors are not rated for continuous operation at high temperatures. 
Humidity: 0-99% RH
Ingress Protection: IP65 and IP67
Approval Codes: Europe: ATEX II 2G EEx iad IIC T4 (Tamb -20C to +55C), BASEEFA05ATEX0187; International: IECEx, Ex iad IIC T4 (Tamb -20C to +55C), BAS05.0059; USA & Canada: CSA Class I Division 1 Groups A,B,C,D
Safety Standards: Europe: EN60079-0, EN60079-11, EN60079-1, 94/9/EC; USA & Canada: CSA22.2, 152
Operation Standards: EN50270, EN50271, EN50104, EN45544, EN60079, IEC61508
PC Interface: RS232 connection from interface module in charger; RS232/USB converter available
Calibration: Tetra 3 can be routinely calibrated using Portable PC software or Crowcon Checkbox IMH

   Tetra3 Datasheet