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.
Specification
Power Input
220V AC
Features
• 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.