FSD-753 / FHD-752 Hydrogen Sensor for Automotive and Fuel Cell Applications

＜Product Specification＞

Function

・Gas detection method: natural diffusion type

・Principle of detection: New ceramic type (contact combustion type)

・Target gas: Hydrogen gas in air

・Detecting concentration: 0~20,000 ppm or 0~40,000 ppm　　　　

・Warmup time: output start time within 500 m/sec

　Environmental Condition

・Operating temperature range: -35℃~100℃

・Operating humidity range: under 100%RH　　　

・Storage temperature range: -40℃~125℃

・Pressure: 70~130kPa

・Interference effect: No effect on HC,H2S,N2,CO,CO2, NOX in the atmospheric environment

Safety

・Fault output: under 0.2VDC (sensor disconnection)

・Explosion proof: Not become ignition source in an atmosphere with a hydrogen concentration of 4% or more 

Construction

・Dimension: approx. 80(W) x 55(H) x 15(D) (excluding sensor and connecting part)

・Weight: approx. 103g

・Water protection : the sensor part is protected by water repellent filter

・Dustproof/ waterproof: IP-67compliant

Electrical Characteristics

・Input voltage (standard): 8DC ~16V(12VDC)  also 8-32Volt ( 24VDC ) S version is available 

・Power consumption: max. 0.5W/12VDC (for continuous use)

・Concentration signal output: 0.5DC~4.5V/ 0~F.S. linear output to gas concentration

・Over scale: 4.5DC~4.6V

・Reverse connection: with protection circuit

・Accessory connection (male side):  Sumitomo Wiring Systems model 6188-00 4 poles (with harness 8cm)

・EMC: EMI ISO11452-2,-3,-4 compatible EMS CISPR25 compatible ESD ISO10605 compatible

Receiver Request Characteristics

・Input impedance: 10kΩ or more