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Lead-acid storage batteries emit hydrogen while gassing during charge. Hydrogen concentration of 4% to 75% by volume in air are potentially explosive. Hydrogen gas detector is designed to provide for dissipation and warning before any concentration reaches the lower explosive limit (LEL) of 4%.
- 1% Concentration energizes a relay which activates your exhaust fan
- 2% Concentration activates a built-in, pulsating warning alarm
- One-Year Warranty
- 110V; 50/60 htz
- 220VAC or 12VDC available
- 7"h x 4 3/4"w - 2 1/2" deep
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