Tin Dioxide Semiconductor Gas Sensor for Air Quality Controls - SP3S-AQ2-01

  • Tin Dioxide Semiconductor Gas Sensor for Air Quality Controls
  • Tin Dioxide Semiconductor Gas Sensor for Air Quality Controls
  • Tin Dioxide Semiconductor Gas Sensor for Air Quality Controls
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• Target gas: Carbon monoxide/VOC/Alcohol
• Operating temperature: 0°C to 40°C
• Storage temperature: -10°C to 70°C
• Relative humidity: Less than 95% RH
• Sensor resistance: 5kΩ to 20kΩ
• Sensitivity slope: 0.15 to 0.45
• Air quality control/Automobile

  • Model Number: SP3S-AQ2-01
  • Data Sheet: Date Sheet File
Quantity:
- +

Product Specification

SP3S-AQ2-01 Tin Dioxide Semiconductor Gas Sensor Description
The SP3S-AQ2-01 series is a tin dioxide semiconductor gas sensor which has a high sensitivity to various air pollution sources (e.g.VOCs) with quick response speed.

This series uses a compact plastic housing with 3 pins configuration achieving an excellent gas sensing performance with low cost.This model is ideal for various design of automatic air quality control systems ; Ventilation Fans , air purifiers.

SP3S-AQ2-01 Tin Dioxide Semiconductor Gas Sensor Application
Air quality control
• Automobile

SP3S-AQ2-01 Tin Dioxide Semiconductor Gas Sensor Specifications

Standard Operating conditions
Symbol
Parameter
Specification
Conditions etc.
VH
Heater voltage
5.0 V ± 4%
AC or DC
VC Circuit voltage
5.0 V ± 4%
AC or DC
RL Load resistance
Variable
PS < 15 mW
RH Heater resistance
86 Ω ± 5%
at room temperature
PH Heater power consumption
210mW (Typical value)
PH = VH2/RH
PS Power dissipation
of sensing element
Less than 15 mW
PS = (V- VRL)2/RS
Environmental conditions
Symbol
Parameter
Specification
Conditions etc.
Tao
Operating temperature
0°C to 40°C
Recommended range
Tas
Storage temperature
-10°C to 70°C
RH
Relative humidity
Less than 95% RH
(O2)
Oxygen concentration
21% (Typical value)
Absolute minimum level:
more than 18%
The sensitivity characteristics are influenced
by the variation in oxygen concentration.

Sensitivity characteristics
Model
SP3S-AQ2-01
Symbol
Parameter
Specification
Conditions etc.
RS
Sensor resistance
5kΩ to 20kΩ
in air
β
Sensitivity slope
0.15 to 0.45
RS in 10ppm hydrogen/Rs in air
Standard Test Conditions:
Temp: 20°C ± 2°C
Humidity:65% ± 5%
(in clean air)
VC : 5.0 V ± 1%
VH : 5.0 V ± 1%
RL : 10 kΩ ± 5%
Pre-heating time: more than 48 hours
Mechanical characteristics
Items
Conditions
Specifications
Vibration
Frequency:
Vertical amplitude:
Duration:
100 cpm
4 mm
1 hour
Should satisfy the
specifications shown in
the sensitivity characteristics.

Shock
Acceleration:
Number of impacts:
100 G
5 times

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