Notifier FSP-851 Photoelectric Smoke Detector for ONYX Series Panels (Replaced by FSP-951-IV)
The Notifier FSP-851 intelligent photoelectric smoke detector is designed for reliable early warning fire detection when used with Notifier ONYX Series Fire Alarm Control Panels. Featuring advanced optical sensing technology and intelligent communication capabilities, the FSP-851 delivers superior performance compared to conventional smoke detectors.
This detector continuously monitors sensitivity levels and reports directly to the control panel, allowing for proactive maintenance and improved system reliability. With programmable sensitivity, point ID capability, and rotary address switches, the FSP-851 provides precise detector location and simplified servicing.
Please note: The Notifier FSP-851 has been replaced by the FSP-951-IV, but remains widely used in existing systems and replacement installations.
Key Features
• Intelligent photoelectric smoke detection
• Compatible with Notifier ONYX and CLIP Series panels
• Programmable sensitivity from control panel software
• Continuous sensitivity monitoring and reporting
• Rotary decimal address switches for accurate point ID
• FlashScan® communication for faster system response
• Optical sensing chamber for wide range smoke detection
• Optional fixed temperature heat detection (FSP-851T model)
• Remote test capability available (FSP851R model)
• Easy installation with multiple compatible bases
Advanced Detection Technology
The Notifier FSP-851 uses a specially engineered optical sensing chamber designed to detect smoke from a wide range of combustion sources. This improves early detection and reduces nuisance alarms.
The FSP-851T model also includes 135°F (57°C) fixed temperature heat detection using dual electronic thermistors for added protection.
FlashScan® technology enables faster communication between devices, improving system response time and overall performance.
Specifications
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Sensitivity Range: 0.5% to 2.35% per foot obscuration
• Height: 2.1 inches (5.3 cm)
• Shipping Weight: 5.2 oz (147 g)
Compatible Bases
• B210LP – 6.1 inch diameter
• B501 – 4.1 inch diameter
• B200S – 6.875 inch diameter
• B200SR – 6.875 inch diameter
• B224RB – 6.2 inch diameter
• B224BI – 6.2 inch diameter
Applications
The Notifier FSP-851 is ideal for:
• Commercial buildings
• Office environments
• Educational facilities
• Healthcare facilities
• Industrial applications
• Retail environments
Why Choose the Notifier FSP-851?
The Notifier FSP-851 offers intelligent detection, easy maintenance, and reliable performance for professional fire alarm systems. Its compatibility with ONYX Series panels and advanced FlashScan communication make it a trusted choice for fire protection professionals.
Brand: Notifier
Model: FSP-851
Type: Intelligent Photoelectric Smoke Detector
Replacement Model: FSP-951-IV
Compatibility: Notifier ONYX and CLIP Series Panels
