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3M Hydrogen Gas Detector with control box-HD-11S-LD

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Item Number: HD-11S-LD


Macurco hydrogen gas detector features a status LED, operation, SPDT alarm relay and N.C. trouble relay. Alarm relay set to 10% of the LEL (Lower Explosive Limit) of hydrogen. For use with fire and security alarm systems and suitable for protecting lab safety during hydrogen furnace running.

Power Input           220V AC

  • Macurco hydrogen fixed gas detector, HD-11, %LEL,1 relay, MADE IN USA
  • Flush mount design
  • 12 VAC operation, and SPDT alarm relay
  • Loud alarm sound: approx. 85 dB at feet
  • Special design to hang the electrical box near the hydrogen generator.
  • Alarm relay set at 10% of Lower Explosive Level (10% and 25% of LEL on HD-12).
  • N.O. sealed reed type dry contact relays
  • Recommended coverage: 900 sf
  • Easy installation.
  • No Maintenance or recalibration required.
  • Supervised system. 

Application Note
     When the alarm is triggered, the power of hydrogen generator will automatically shut off by the control box.
Product Dimensions
  •  Control box: 255mm(L)x 205mm(W)x 92mm(H)
  •  Hydrogen detector: 225mm(L)x 192mm(W)x 92mm(H)
Net Weight       18 lb
Warranty       One Years limited warranty and life time support

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