• Precision Measurement Technologies
  • Technology Center for

707 VOC Sensor

Sensor Features

  • High sensitivity to a wide range of VOCs.
  • Non-specific: responds to many different organic vapors.
  • Typical response time <1 minute to 90% full scale.
  • Environmental temperature range of -20 to 50°C.
  • Environmental humidity range of 0 to 90% RH, noncondensing.

Electrical Characteristics

Property Symbol Value Remarks
Heater Power Consumption PH ~400 mW At VH = 3.5
Heater Voltage VH 3.5 VDC Tsensor ~150°C
Heater Resistance RH 30Ω ± 2Ω At room temperature
Sensing Voltage VC 5.0 VDC Recommended
Resistance in Air Ra 300 kΩ/300 MΩ Min/Max
Resistance in 500 ppm MeOH R500 5 kΩ/500 kΩ Min/Max
Sensitivity Ra/R500 15 Min
Sensitivity Ra/R500 2 Min