The Most Popular UTC FIRE & SECURITY 521B PHOTOELECTRIC 2 WIRE SMOKE DET W/CLEANMATE, 12/24VDC S09A&10A - On Sale

UTC FIRE & SECURITY 521B PHOTOELECTRIC 2 WIRE SMOKE DET W/CLEANMATE, 12/24VDC S09A&10A

Product Details

• Amazon Sales Rank: #90160 in Camera & Photo
• Brand: UTC FIRE & SECURITY
• Model: 521B

Features

• Ideal for commercial or residential
• Remote maintenance reporting (CleanMe) reduces false alarms
• Built-in drift compensation reduces false alarms
• Field replaceable optical chamber makes servicing easy
• Small, low-profile design blends in with any environment & Meets NFPA 72 field sensitivity testing requirements without the need for external meters

Product Description

The 500 series self-diagnostic, 2-wire smoke detectors are conventional direct-wire detectors with analog features including drift compensation, multi-criteria detection, and remote maintenance/trouble reporting (CleanMe®). The detectors continually monitor their own sensitivity and operational status and provide a visual and remote trouble condition if they drift out of calibration range or fail internal diagnostics

See Details