Numens 400-003 Non-addressable CO gas detector, 12/24V, wire sounder, relay output

· Advanced algorithms provide advanced detection discrimination

· Stable gas sensing chamber. No adjustment or replacement required

· High immunity against unwanted alarms

· Surface-mount device (SMD) circuit board design

· 2-wire models available with remote LED output

· Detector auto-reset once gas levels fall below alarm threshold levels

· Magnet-initiated alarm test function

· Audible warning signal of an internal fault

· Easy installation. No programming required

· Connectable to zone monitor for use with addressable control and indicating equipment

· Sleek, low-profile housing design

· Low maintenance