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Company Info
Shenzhen Isweek Ltd Shenzhen Isweek Ltd

Street Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan

City: Shenzhen

Province: Guangdong

Country/Region: China

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Market Type:  After Market

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SB-15-00 Tin Dioxide Semiconductor Gas Sensor Description
The SB-15-00 is a tin dioxide semiconductor gas sensor which has an excellent performance in propane/butane detection.

The features are: high sensitivity, low sensitivity to noise gases, quick response speed, strong poisoning resistance and significant low power consumption design (120mW).

SB-15-00 Tin Dioxide Semiconductor Gas Sensor Application
 Industrial gas leak detector

SB-15-00 Tin Dioxide Semiconductor Gas Sensor Specifications

Standard Operating conditions
Symbol Parameter Specification Conditions etc.
VH Heater voltage 0.9 V ± 0.05 V AC, DC or pulse driving
VC Circuit voltage Less than 5 V DC: Pin2 (+) - Pin 1 (-)
RL Load resistance Variable (> 200 ) PS < 10 mW
RH Heater resistance 2.8 ± 0.2 at room temperature
IH Heater current 132 mA IH = VH / RH (typical value)
PH Heater power consumption 120 mW PH = VH2 / RH (typical value)
Environmental conditions
Symbol Parameter Specification Conditions etc.
Tao Operating temperature -10°C to 50°C Recommended range
Tas Storage temperature -30°C to 100°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 0.2 k to 2.0 k  at 1000 ppm of iso-butane
  Sensitivity 0.55 to 0.75 Rs (at IB 3000 ppm)
Rs (at IB 1000 ppm)
Standard Test Conditions: Temp: 20°C ± 2°C
Humidity:65% ± 5%
(in clean air)		 VC : 5.0 V ± 5%  VH : 0.9 V ± 5% RL : 750 ± 1%
Pre-heating time: more than 48 hours
Mechanical characteristics
Items Conditions Specifications
Vibration Frequency:
Acceleration:
Sweep Time:		 5 - 500 Hz
1.3 G
40 min.		 Should satisfy the
specifications shown in the
sensitivity characteristics after
test.
Drop Height:
Number of impacts:		 60 cm
3 times

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