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Telaire Ventostat T51005V
Wall Mount CO2 Transmitter

  • Patented, Absorption Infrared Gas sensing engine provides high accuracy in a compact low cost package.
  • Patented ABC Logic self-calibration system eliminates the need for manual calibration in most applications.
  • Lifetime CO2 calibration guarantee when using ABC Logic.
  • Mounting plate with two-piece terminal blocks provide quick, easy wiring.
  • Gas permeable, water resistant CO2 diffusion filter prevents particulate and water contamination of the sensor.
  • Locking screw secures cover and sensor to the mounting bracket for tamper resistance.
  • Sensors are shipped factory calibrated.
  • Modern enclosure
  • Reliable (20 years of low-cost infrared sensor manufacturing)
  • UIP software compatible for customizations
  • CE, RoHS, REACH and WEEE compliant
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GE Telaire T5100 Shown
The Telaire Ventostat T5100 Wall Mount CO2 Transmitter is a new low cost, high performing CO2 transmitter for the building controls market. It works seamlessly with building automation systems, and allows you to simply and effectively control fresh air into a ventilated to regulated standards, providing immediate energy savings.
Sensing Method

Non-dispersive infrared (NDIR) absorption
Gold-plated optics
Patented ABC Logic self calibration algorithm

CO2 Measurement Range 0 to 2000 ppm
(0 ppm = 0 V, 4 mA)
CO2 Accuracy 400-1250 ppm ± 40 ppm + 3% of reading
1250-2000 ppm ±5% of reading + 30ppm
Power Supply Requirements 18-30 VAC RMS, 50/60 Hz, or 18 to 42 VDC, polarity protected
Power Consumption Typical 0.7 W at nominal voltage of 24V AC RMS
Temperature Dependence 0.2% FS per °C (±0.11% per °F)
Stability <2% of FS over life of sensor (15 years)
Pressure Dependence 0.135% of reading per mm Hg
Certifications CE EMC, RoHS, REACH and WEEE compliant
Signal Update Every 5 seconds
Flammability Classification UL94 5VA
CO2 Warm-up Time < 2 minutes (operational)
10 minutes (maximum accuracy)
Amalog output 0 to 5 V jumper selectable (100 Ω output impedance)
Ordering Information
Model Description Buy Online Price
T5100-5V Telaire T51005V Wall Mount CO2 Transmitter (0 to 5 V output) Discontinued
See: T5100-5V-LED
Buy  Now
Optional Accessories
T1505 Telaire T1505 Water Resistant enclosure Buy  Now Sale $160.47
(Reg. $163.68)
T1508 Telaire 1508 Aspiration Box Enclosure Buy  Now Sale $133.81
(Reg. $184.80)