Features
- Flush mounts over a
single-gang box
- Alarm: 10% LEL
hydrogen gas
- Alarm and Trouble
Relays
- 7-10 year Sensor
Applications
Homes, offices,
schools, businesses,
hotels, battery charging
areas, maintenance
facilities and renewable
energy applications
Area: 900 ft2 (84 m2)
The HD-11 is a low voltage electronic detector of Hydrogen gas. The HD-11 is designed for connection to Fire
Alarm/Burglary Control Panels. Alarm control panels that work on 12 or 24 VDC can provide battery backup to the
HD-11 detectors. The unit is designed to work with control panel or other building management equipment to help
monitor levels of hydrogen gas in a room or a facility where hydrogen gas may be present, for example where
forklifts, backup power supplies, or golf carts battery charging stations are present. The HD-11 is intended for
installation in buildings in non-hazardous locations such as residences, retail stores, office buildings, and similar
facilities. This Hydrogen gas detector is NOT designed to detect smoke, fire or carbon monoxide.
Easy Operation
A green LED signifies that the HD-11 is armed. If gas is detected, the Red LED
turns on and the alarm condition relay is activated.
Features
- Supervised Sensor
- Simple installation and operation
- SPDT Alarm and N.C. Trouble Relay
- Can be self-restoring or latching
- Alarm set point: 10% LEL hydrogen gas
- Solid State Electronic sensors: no maintenance or recalibration
Installation
The three part plastic case allows the HD-11 to be either surface
mounted or installed over a four-inch square or double gang electrical box, providing a near flush mount.
Location
Locate the unit high in the room where storage batteries are being charged, or where there may be other
hydrogen sources.The Macurco Hydrogen Gas Detector HD-11 is NOT intended for use in industrial applications
such as refineries, chemical plants, etc. The HD-11 can be affected by a broad range of combustible gases such
as alcohol, ammonia, solvents, paint thinner, gasoline vapors and aerosol propellants. Do NOT mount the HD-11
in a corner. Do NOT mount the HD-11 where the normal ambient temperature is below 32° F (0° C) or exceeds
120° F (50° C). Mount the HD-11 on a wall or column about one foot down from the ceiling. Use the same spacing
as for smoke detectors- 30-foot centers, 900 square feet per detector.The coverage depends on air movement in
the room or facility. Extra detectors may be needed near any areas were people work or the air is stagnant.
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