센코서브비주얼이미지
가스센서

가스센서모듈 : Dual Sensor(SS21CH)

기기설명

- Ideal for portable instrument
- Industry safety (ambient air monitoring applications)
- Residential CO alarms
- Sewers, Wastewater treatment, Mining
- Etc.

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관련제품
관련제품
Specification
Specification
Performance Characteristics
Output Signal 80±20 nA / ppm CO / 775±275 nA / ppm H2S
Typical Baseline Range (pure air) ≤±2 ppm CO / ≤±0.5 ppm H2S equivalent
T90 Response Time <30 seconds
Measurement Range 0-500 ppm CO / 0~200ppm H2S
Maximum Overload 2,000 ppm CO / 500ppm H2S
Linearity Linear
Repeatability ≤±3% CO / ≤±2% H2S equivalent
Recommended Load Resistor 10 ohms
Resolution (Electronics Dependent) ≤0.5 ppm typical
Environmental
Temperature Range Continuous -20℃ to +50℃
Pressure Range 800 to 1200 mbar
Operating Humidity Range 15% to 90% Rh
Life Time
Long Term Output Drift ≤5% per annum
Recommended Storage Temp 0℃ to 20℃
Expected Operating Life ≥24 months in air
Standard Warranty 24 months from data od dispatch
Intrinsic Safety Data
Maximum at 2,000ppm 0.3mA
Maximum o/c Voltage <1.3V
Maximum s/c Current <1.0A
Cross sensitivity
Cross sensitivity
Gas Concentration [ppm] Reading [ppm]
CO Channel H2S Channel
Hydrogen Sulfide 25 <5 25
Carbon Monoxide 100 100 <2
Hydrogen 100 <30 <0.05
Sulfur Dioxide 5 0 <1
Nitric Oxide 35 <0.1 <1
Nitrogen Dioxide 5 <0.1 0
Dimension
도안
Whole View Side View Upper Side View
Standard operating circuit
도안
Features
Certificate