DS939

Technical Specifications

Sensitivity

Low/High gain settings

Current

12 mA standby; 39 mA in alarm with LEDs enabled

Properties

Modular chassis and hinged mounting base design provide easy access to field setup switches and wiring.

Dimensions

8.9 cm x 17.8 cm (3.5 in. x 7 in.)

Operating Temperature

-40°C to +49°C (-40°F to +120°F) For UL Certificated installations, 0°C to +49°C (+32°F to +120°F)

Tamper

Normally-closed (with cover in place) tamper switch. A wall (base) tamper is included. Contacts rated at 28 VDC, 125 mA, 3 W maximum.

Location

Mounts directly to ceiling or to standard 10.2 cm (4 in.) octagonal electrical box.

Alarm Relay

Silent-operating form C relay. Contacts rated 125 mA, 28 VDC, 3 W maximum for DC resistive loads.

Voltage

9 VDC to 15 VDC

Height Range

3 m to 7.6 m (8 ft to 25 ft) recommended

Internal Pointability

Coverage is adjustable ±10° horizontally, +2° to -18° vertically.

Specifications

Country of Origin

China

Gross Weight (Kg)

0.47

Net Weight (Kg)

0.42

Length (M)

0.214

Width (M)

0.178

Height (M)

0.106

Gross Weight (Lbs)

1.03618

Net Weight (Lbs)

0.9259499999999999

Length (In)

8.4252

Width (In)

7.007879999999999

Height (In)

4.173229999999999

Material

4.998.800.703

Documents