Hydrogen Detectors - 099140 HGD-DR Mark IV

Arrgh!! Manufacturing Co., Inc.

85–265 VAC, 50/60 Hz power supply
Five-year warranty
Continuous hydrogen gas-level monitoring
Automatic operation with LED status display
80 dB warning alarm
Solid-state hydrogen sensor
Remote exhaust-fan activation capability
Four-screw mounting pattern

The 099140 HGD-DR Mark IV Hydrogen Gas Detector is a Mark IV hydrogen gas detector variant configured for a 85–265 VAC, 50/60 Hz power supply and a five-year warranty. The detector continuously monitors hydrogen gas levels and operates automatically, with an LED status display and an 80 dB warning alarm. Its solid-state sensor is described as sensitive and stable, and the detector can activate a remote exhaust fan together with its alarm function. The Mark IV platform can be mounted with four 3/16-inch screws and can be paired with optional remote mimic panels, junction-box mounting hardware and interconnect cables where those accessories are selected separately. This exact part number is differentiated from the other Mark IV variants by its power input, allowing system designers to match the detector to the available AC or DC supply.

Use Cases

Hydrogen monitoring in battery charging rooms
Continuous hydrogen alarm monitoring
Automatic exhaust-fan activation in response to hydrogen detection
Remote alarm/status indication when optional mimic-panel accessories are used

Capabilities

Continuously monitors hydrogen concentration
Activates an 80 dB warning alarm
Can activate a remote exhaust fan when alarm conditions are reached
Provides LED status indication
Supports optional remote panel and interconnect accessories
Operates from the exact stated power supply for this part-number variant

Arrgh!! Manufacturing Co., Inc.

Arrgh!! Manufacturing Co., Inc. is a USA-based manufacturer represented in this verified batch by hydrogen detectors and an integrated hydrogen gas ventilation system. The published products cover continuous hydrogen monitoring, alarm and ventilation-control functions for locations where hydrogen can accumulate. The company is headquartered in Novato, California, USA.

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