- Compatible with Siemens Model `H’-series devices on the same loop (with Cerberus PRO Modular | FireFinder XLS | FC/FV9–series fire-alarm control panel
- Compatible with Model 8720 |DPU (device programmer / loop tester)
- Each detector is self-testing:
-self monitored for sensitivity with UL Listed limits
-complete diagnostics performed every 10 seconds - Polarity insensitive via SureWire™technology
- Functions with Model DB-11–series mounting bases
- Tri-color detector-status light-emitting diode (LED) with 360°view
- Field-selectable application-sensitivity profiles
- Remote sensitivity-measurement capability
- Utilizes advanced,microprocessor-based signal processing
- Extended temperature-and-humidity operating range
- Automatic environment compensation
- Superior electromagnetic interference (EMI) and radio-frequency interference (RFI) immunity
- Restriction of Hazardous Substances (RoHS compliant)
- UL Listed | FM, CSFM Approved
-UL 268: `Open Area Smoke Detection’
-UL 268A (Duct) -`In-duct housing’use
-UL 268A (Duct) -`Direct-in-Duct’use
-ULC-S531: `Open Area Smoke Detection’-FM 3230 (Duct)
-CSFM | File: 7272-0067:0258
Siemens Cerberus Pro
Siemens Cerberus Pro
OP921 Photoelectric Smoke Detector
Model OP921
The Photoelectric Smoke Detector (Model OP921) uses state-of-the-art microcontroller circuitry and surface-mount technology for maximum reliability. Model OP921 incorporates an optical sensor using a light-scattering detection principle. The device utilizes advanced software algorithms to analyze the signals, and provides highly stable and accurate smoke detection.
Model OP921 also uses state-of-the-art microprocessor circuitry with error check; detector self-diagnostics, and supervision programs.