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TGS2600 Air Contaminants Sensor (TO5)

The TGS 2600 has high sensitivity to low concentrations of gaseous air contaminants such as hydrogen and carbon monoxide which exist in cigarette smoke. The sensor can detect hydrogen at a level of several ppm.

Price $14.00

Member price $12.00

In Stock

This item expected shipping time is 4 days.



  • Low power consumption
  • High sensitivity to gaseous air contaminants
  • Long life and low cost
  • Uses simple electrical circuit
  • Small size


  • Air cleaners
  • Ventilation control
  • Air quality monitors


Sensing element type D1
Standard package TO-5 metal can
Target gases Air contaminants
Typical detection range 1 ~ 30 ppm of H2
Standard circuit conditions Heater voltage VH 5.0±0.2 V DC/AC
Circuit Voltage VC 5.0±0.2 V DC Ps ≤ 15 mW
Load resistance RL Variable min. 0.45 kΩ
Electrical characteristics
under standard conditions
Heater resistance RH approx. 83 Ω at room temp. (typical)
Heater current IH 42±4 mA
Heater power consumption PH 210 mW VH=5.0 V DC
Sensor resistance Rs 10k~90 kΩ in air
Sensitivity (change ratio of Rs) 0.3 ~ 0.6 Rs (10ppm of H2)/ Rs (air)
Standard test conditions Test gas conditions normal air at 20±2 ̊C, 65±5% RH
Circuit conditions VC = 5.0±0.01 V DC
VH = 5.0±0.05 V DC
Conditioning period before test 7 days
SKU 18672

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