Product Summary: System Sensor BEAM1224S 4-wire Single-Ended Beam Smoke Detector
4-wire, single-ended, reflected type beam smoke detector that includes an 8" reflector and an integral sensitivity test
System Sensor's BEAM1224 is a four-wire conventional reflected beam smoke detector, which is uniquely suited for protecting open areas with high ceilings, where other methods of smoke detection are difficult to install and maintain. The BEAM1224S model features an integral sensitivity test.
BEAM1224 is to be used with UL Listed compatible control panels only. An advantage of this single-ended reflective design is that it is much easier to install the BEAM1224 than the dual-ended projected beam detectors. Alignment is quickly accomplished via an optical sight and a two-digit signal strength meter incorporated into the product.
Another advantage of the BEAM1224 is that it is listed for operation in temperatures ranging from – 22°F to 131°F. This means it can be used in open areas to provide early warning in environments where temperature extremes may exceed the capability of other types of smoke detectors. BEAM1224 consists of a transmitter/receiver unit and a reflector. When smoke enters the area between the unit and the reflector, the smoke causes a reduction in the signal. When the smoke level reaches the predetermined threshold, an alarm is activated
BEAM1224 has four standard sensitivity selections, along with two Acclimate™ settings (adjustable sensitivity). When one of the two Acclimate settings is selected, the detector will automatically adjust its sensitivity using advanced software algorithms to choose the optimum sensitivity for the specific environment. BEAM1224S is also equipped with an integral sensitivity test feature, which consists of a test filter attached to a servo motor inside the detector optics.
When the remote test station RTS451/RTS151 is used, the motor is activated and moves the filter into the pathway of the light beam, to test the detector’s sensitivity. This integral sensitivity test feature allows the user to quickly and easily meet the annual maintenance and test requirements of NFPA 72.
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