• Buzzer (CM-E1 model)

• Mounts on 2 x 4 electrical box

• Electronic detection system used to measure various gases

Supply Voltage:

CM-E1: 9-32 VDC @ 35 mA

GD-2B/HD-11: 12-24 VAC @ 2 VA; 12-24 VDC @ 35 mA

Range:

CM-E1:70 ppm CO (15 ppm DIF)

GD-2B:25% L.E.L. Methane and Propane

HD-11:10% L.E.L. H2

Relay :(1) Alarm, SPST, 40 VDC @ 100 mA

(1) Trouble, SPST, 40 VDC @ 100 mA:

Buzzer:(CM-E1 & GD-2B only) 85 db @ 10 feet

Operating Temperature:

CM-E1:40° to 100℉ ( 4.4° to 37.8℃)

GD-2B/HD-11: 32° to 120℉ ( 0° to 48.9℃)

Operating Humidity:10 to 90%, non-condensing

Enclosure Rating:NEMA 1

Dimensions:

CM-E1/GD-2B: 5.1″ H x 3.1″ W x 1.5″ D (13 x 7.9 x 3.8 cm)

HD-11:4.51″ H x 5.0″ W x 1.6″ D (11.4 x 12.7 x 4.1 cm)

Weight:

CM-E1/GD-2B: 1.0 lb (0.45 Kg)

HD-11:0.54 lb (0.25 Kg)

Approvals:ETL

Warranty:2 year