7251 SYSTEMSENSOR | Alldatasheet

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Technical content

Features

Ultra-high-sensitivity capability On-board drift compensation Transient rejection algorithms Environmental tracking Wide sensitivity range Rotary address switches Analog communications Sleek, low-profile design Low standby current Microprocessor design Superior EMI protection Pinnacle features a patented smoke sensing chamber, designed to amplify signals from smoke but diminish stray internal reflections. By using a laser diode instead of a standard LED light source into the sensing chamber, Pinnacle is able to achieve sensitivities from 0.02 percent-per-foot to 2 percent-per-foot obscuration. The detectors’ extensive software processing includes multi-alert drift compensation, internal self diagnostics, and superior transient signal rejection algorithms to produce unprecedented stability at ultra high sensitivities over the complete temperature range. Because Pinnacle is base-compatible with all other 200 Series detectors, system designers can seamlessly mix it with other standard detection technologies thereby reducing overall cost. Unlike other high-sensitivity detectors, Pinnacle: Can pinpoint identification of the fire location through addressability. Experiences no delay in response time due to smoke dilution or smoke transportation time (as in aspirated systems). Offers complete supervision of wiring and detector. Pinnacle is designed to protect valuable assets and operations where systems must remain online at all times. Many sensitive areas cannot tolerate even small amounts of smoke. Some ideal applications for Pinnacle include: Telecommunications switching facilities Cellular telephone infrastructure Integrated circuit fabrication facilities Computer rooms Traffic control centers Clean rooms

3825 Ohio Avenue • St. Charles, IL 60174 Phone: 800-SENSOR2 • Fax: 630-377-6495 ©2007 System Sensor. Product specifications subject to change without notice. Visit systemsensor.com for current product information, including the latest version of this data sheet. A05-0314-003 • 3/07 • #1783

Ordering Information

Part No. Description

7251 Low-profile intelligent plug-in laser smoke detector

7251A Low-profile intelligent plug-in laser smoke detector (Canadian model)

200 Series Bases

B501(A)* Flangeless Mounting Base B224RB(A) Relay Base B210LP(A) Flanged Mounting Base B224BI(A) Isolator Base B501BH(A) Standard Sounder Base SMK400 Flangeless Surface Mounting Kit B501BHT(A) Temporal Tone Sounder Base SMB600 Flanged Surface Mounting Kit

200 Series Accessories

RA400Z(A) Remote LED Annunciator (shown above) XR-2 Detector Removal Tool M02-04-01 Detector Test Magnet XP-4 Extension for XR-2 (5–15 ft.) M02-09-00 Telescoping Test Magnet (shown above) DUST12 Dust Cover *(A) suffix denotes Canadian products Specifications Electrical Specifications Voltage Range 15 – 32 volts DC peak Standby Current (max. avg.) 230 µA @ 24VDC (without communication) 330 µA @ 24VDC (one communication every 5 sec. with LED enabled) LED Current (max.) 6.5 mA @ 24VDC (on) Physical/Operating Specifications Height 1.66˝ (4.2 cm) Diameter 4.0˝ (10.2 cm) Shipping Weight 5.6 oz. (159 g) Operating Temperature Range 32° to 100°F (0° to 38°C) Velocity Range 0 – 4000 fpm (0 to 20.3 m/s) Operating Humidity Range 10% – 93% noncondensing Self Diagnostics Initiated by control panel Activated by test magnet Drift Compensation High sensitivity maintenance alert signal Low sensitivity maintenance alert signal Maintenance urgent signal M02-09-00 Test Magnet with Telescoping Handle RA400Z Remote LED