Gas Detector, Residential and Commercial Duty

Methane and Propane Gas Detection

The GD-2A is a low voltage electronic detector of combustible, heating type gases. The GD-2A is designed for connection to UL Listed Fire Alarm/Burglary Control Panels. Alarm control panels that work on 12 or 24 VDC can provide battery backup to the GD-2A detectors. This product is for use in ordinary indoor locations of family living units and office workspaces. The GD-2A is intended for installation in buildings in non-hazardous locations such as residences, retail stores, office buildings, and institutional buildings. This combustible gas detector has been evaluated by UL for methane (natural gas) and propane (LP) gas. It is NOT designed to detect smoke, fire or carbon monoxide.

Hydrogen Gas Detection

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.

Features in Common

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.

• 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

Methane and Propane Gas Detection (Low-Profile)

The GD-2B is a low voltage electronic detector of combustible, heating type gases. The GD-2B is designed for connection to UL Listed Fire Alarm/Burglary Control Panels. Alarm control panels that work on 12 or 24 VDC can provide battery backup to the GD-2B detectors. This product is for use in ordinary indoor locations of family living units and office workspaces. The GD-2B is intended for installation in buildings in non-hazardous locations such as residences, retail stores, office buildings, and institutional buildings. This combustible gas detector has been evaluated by UL for methane (natural gas) and propane (LP) gas. It is NOT designed to detect smoke, fire or carbon monoxide.