Application of MSR H2 Sensor Transmitter in Battery Room

As lead acid batteries are charged, minute quantities of hydrogen (H2) gas are produced. Normally, the amount of  hydrogen generated during charging is not of a sufficient quantity to cause concern. There are instances however, where for various reasons, hydrogen may accumulate to create potentially hazardous gas conditions.

Battery back-up installations for equipment such as telephone switching systems and computers are normally situated in small rooms with little ventilation. This confined space provides an excellent opportunity for hydrogen to accumulate and reach combustible levels.

In most instances, the sensor/transmitter is mounted on the ceiling, while the monitoring panel is mounted outside the room. Any build-up will cause an alarm and/or initiate ventilation.

MC2 Pic

A second common application is in warehouses where battery powered forklifts are used. Charging stations are commonly lined up in areas where a large number of vehicles can be charged simultaneously. Because of the size and number of batteries, dangerous levels of H2 can accumulate.

Key Factors:

  • Relative density of hydrogen is 0.069. Therefore sensors should be mounted at or near the ceiling, away from any source of fresh air, which may dilute the sample.
  • Remote sensors are normally used, with panels being mounted away from hydrogen source.
  • The customer chose MSR catalytic diffusion system to monitor the battery rooms for hydrogen in the 0-100% LEL range.
  • The MSR H2 sensors like MA-series, MC2-series and Poly-Xeta 2 series are used for monitoring battery recharging areas.
  • The Sensors are employed for detecting hydrogen concentration in the air
  • This explosive hydrogen gas is produced during battery charging.
  • MSR sensors protect person and equipment against explosions caused by ignition of the hydrogen gas.
  • MSR MA-series and latest MC2-series are suggested for battery room application like data center inside a commercial building .
  • MSR Poly-Xeta 2 series are usually suggested for battery room applicator in Industries /Plants . Some industries include: Telecommunications/Computing Utilities, Financial Services, Publishing Transportation Services , Automotive.

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