The 550LS audio glass break detectors use microprocessor based multiple signature analysis. Both units are self-adjusting, and feature Automatic Gain Control circuits to filter the amplitude of ambient sounds and process all sounds at the same volume.

Features

• Specified for plate, wired, laminated and tempered glass
• Glass panes size as small as 6″ x 10″
• Signature supervision
• No sensitivity adjustment
• Omni-directional sensitivity
• Indoors only
• UL Listed

Specifications

• Alarm relay: SPDT Form C contact
• Operating voltage: 10.5-16 VDC
• Current draw: 66 mA maximum
• Temperature tolerance: 14F to 120F
• Tamper circuit: Normally closed contact 50 mA @ 24 VDC
• Dimensions: 3″ W x 3″ H x 3/4″ D
• Uses Model 515 tester
• Order number: 0-550000

Installation Manual