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HLS-440P B Hydrogen Sensor

Hydrogen Leak Sensor, 0-10% H2, CAN Interface, Baud Rate 500k, Without Termination Resistor

The HLS-440P Hydrogen Leak Sensor is an accurate, fast responding sensor designed for installation in harsh environments such as fuel cell exhausts. The HLS-440P Hydrogen Leak Sensor features reduced power consumption, provides increased packaging flexibility, and includes a CAN interface with a standard MQS four-pin connector. Self-testing at start up and advanced error handling ensure reliable operation.

Key Features

  • Concentration range of 0-10% H2
  • Accuracy of +/- 0.5%
  • Speed of response/recovery <5 sec

Key Benefits

  • Designed for humid environment
  • Low cross sensitivity
  • Fast response time
  • Low power consumption
  • Long-term stability and reliability
  • Long lifetime

HLS-440P B Applications

Hydrogen gas measurement in fuel cell systems and other in-process applications

HLS-440P B Product Facts

Interface CAN 2.0B 500kbit/s (default)
250kbit/s
PWM
Supply voltage [V] 8.5 - 16VDC
nominal 13.8V
Power consumption 70mA
start-up (<1s, <200mA)
Dimension [mm] Ø29.9mm x 93.4mm
Ambient temperature range [°C] -40°C to 90°C
Ambient humidity range [% r.h.] 5 to 100% r.h., incl. condensing typical ambient humidity conditions
Measurement range 0 to 10% H2 resolution 500ppm
Accuracy 5000ppm