Tin Dioxide Semiconductor Gas Sensor for LP-Gas Detection - SP-15A-00

  • Tin Dioxide Semiconductor Gas Sensor for LP-Gas Detection
  • Tin Dioxide Semiconductor Gas Sensor for LP-Gas Detection
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• Target gas: LP-Gas(Propane/Butane)
• Heater voltage: 5.0 V ± 4 %
• Operating temperature: -10°C to 60°C
• Storage temperature: -20°C to 70°C
• Relative humidity: Less than 95% RH
• Sensor resistance: 4 kΩ to 15 kΩ
• Sensitivity slope​: 0.60 to 0.75
• Home gas leak detector

  • Model Number: SP-15A-00
  • Data Sheet: Date Sheet File
Quantity:
- +

Product Specification

SP-15A-00 Gas Sensor for LPG Detection Description
The SP-15A is a tin dioxide semiconductor gas sensor which has a high sensitivity and excellent selectivity in propane/ butane detection.

The SP-15A has also a significant feature in good stability after exposure to silicone compounds. Using the SP-15A, the most reliable LPGas leak detection can be achieved.

SP-15A-00 Gas Sensor for LPG Detection Application
• Home gas leak detector

SP-15A-00 Gas Sensor for LPG Detection 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 %
DAC or DC
RL Load resistance
Variable
PS < 15 mW
RH Heater resistance
42 Ω ± 2 Ω
at room temperature
PH Heater power consumption
380 mW (Typical value)
PH = VH2 / RH
PS Power dissipation of
sensing element

Less than 15 mW
PS = (VC - VRL)/ RS
Environmental conditions
Symbol
Parameter
Specification
Conditions etc.
Tao
Operating temperature
-10°C to 60°C
Recommended range
Tas
Storage temperature
-20°C to 70°C
RH
Relative humidity
Less than 95% RH
(O2)
Oxygen concentration
21% ± 1%
(Standard condition)

Absolute minimum level:
more than 18%
The sensitivity characteristics are influenced by the
variation in oxygen concentration. Please consult FIS
for details.

Sensitivity characteristics
Model
SB-15-00
Symbol
Parameter
Specification
Conditions etc.
RS
Sensor resistance
4 kΩ to 15 kΩ
at 1500 ppm of iso-butane/air
β
Sensitivity slope
0.60 to 0.75
Rs (at IB 3000 ppm)
Rs (at IB 1500 ppm)

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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