Glass Type
UL tested on: Plate, tempered, wired, laminated, covered, and
sealed insulated
Minimum Glass Size
UL tested on: 30 x 30 cm (12 in. x 12 in.)
Glass Thickness
UL tested on:
• Plate: 3.2 to 6.4 mm (1/8 in. to ¼ in.)
• Tempered: 3.2 to 6.4 mm (1/8 in. to ¼ in.)
• Wired: 6.4 mm (¼ in.)
• Coated: 3.2 to 6.4 mm (1/8 in. to ¼ in.)
• Laminated: 6.4 mm (¼ in.)
• Sealed Insulating: 3.2 to 6.4 mm (1/8 in. to ¼ in.)
Note: Laminated and Sealed Insulating glass types are
protected only if both plates of the unit are broken.
Room Size
Not larger than 12 x 12 m (40 x 40 ft)
Not smaller than 3 x 3 m (10 x 10 ft)
Min. Distance from Glass
1.5 m (5 ft)
11
PGP922 Glass Break Detector Installation Guide
D-308652 PGP922 Rev.0