Fixed Gas Detection

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

Automotive Hydrogen Fuel Cell Sensor

FSD-753 /FHD-752 Hydrogen Fuel Cell Sensor / Automotive Hydrogen Sensor

The FSD-753 is designed specifically for use in Hydrogen Fuel cell applications and Hydrogen Commbustion Engines. The FSD-753 measures Hydrogen levels within the fuel cell, Hydrogen tank store, and other areas within Hydrogen Vehicles.

FHD-752 has an internal heater for applications with excess moisture.

12 Volt and 24 volt versions are available.

FSD/ FHD Drawing

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