WS4916 Wireless Photoelectric Smoke Detector
Designed to provide reliable smoke or fire detection, the WS4916 is a low-profile wireless photoelectric smokedetector that is ideal for difficult-to-wire residential or commercial applications. The WS4916, compatible with all DSC433 MHz wireless receivers, features a built-in alarm horn, integral dual-sensor heat detection, automatic driftcompensation and an easy-maintenance removable smoke chamber. Long-life lithium batteries provide extendedoperation without replacement. Precise and quick sensitivity testing of the unit is easily accomplished with the FSD-100 handheld test meter.
Product Features: • Automatic drift compensation
• Easy-maintenance removable smoke chamber
• Non-contact sensitivity testing with new
WS4916 Wireless Photoelectric Smoke Detector Easy Installation The WS4916 is ideal for any residential or commercial applications where running wire to a smoke detector is either difficult or impossible. With no wires to run, installers are able to save time and move more quickly through the installation process. All the WS4916 requires for installation is a screwdriver and any DSC 433 MHz wireless receiver. False Alarm Reduction Compatibility
DSC is committed to reducing false alarms and has integrated a
The WS4916 is compatible with the following receivers:
number of features into the WS4916 to provide reliable detection.
• RF5501-433 Fixed-Message LCD Keypad with
One important feature is drift compensation. It provides a constant
level of sensitivity performance for extended operation. As dust
• PC5132-433 Wireless Receiver Zone Expansion Module
accumulates in a detector it adjusts to maintain the original
factory-set sensitivity, thereby minimizing the potential for false
alarms. If the detector reaches its limit of compensation, it will
• NT9005 Envoy LCD Integrated Wireless Security System
indicate a trouble condition well before the sensitivity increases to
Please refer to the receiver manual for further details.
a level where false alarms will be generated. Specifications Non-Contact Sensitivity Testing Precise and quick sensitivity testing is easily accomplished with MECHANICAL
DSC’s new non-contact FSD-100 handheld test meter. Powered by a
Diameter . . . . . . . . . . . . . . . . . .5.8” (147 mm)
standard 9-volt alkaline battery and small enough to fit inside a
Height . . . . . . . . . . . . . . . . . . . . .2.08“ (52.8 mm)
shirt pocket, the FSD-100 holds 500 readings that can be
Color . . . . . . . . . . . . . . . . . . . . . .White
downloaded to any computer. To initiate a reading, a technician
Mounting . . . . . . . . . . . . . . . . . .Surface mount with screws
simply holds the FSD-100 near a DSC smoke detector and activates
Bracket . . . . . . . . . . . . . . . . . . . .Twist on/off either locking
SENSITIVITY Value Added
Nominal: 3.0% +/- 0.8% obscuration/ft. (UL)
The WS4916 is built with reliable 433 MHz technology and ships
Nominal: 2.0% +/- 0.5% obscuration/ft. (ULC & EN)
with two long-life lithium batteries (3 V) that are activated by the
HEAT SENSOR Alarm: Fixed-temperature 135° F (57.2° C) ENVIRONMENTAL Ordering Information:
Operating Environment . . . . 32° to 120° F
WS4916 . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Photoelectric Smoke Detector
FSD-100 . . . . . . . . . . . . . . . . . . . . . . . . . Sensitivity Test Meter
Relative Humidity . . . . . . . . . . 5% to 93%
FSD-101 . . . . . . . . . . . . . . . . . . . . . . . . . Broom Handle Adapter for FSD-100
RF Immunity . . . . . . . . . . . . . . . 20 Volts/m
Digital Security Controls Ltd. Concord, Ontario, Canada 2004•05 www.dsc.com DSC and all other logos contained herein are trademarks of Digital Security Controls Ltd. and may not be reproduced without permission. 2003 Digital Security Controls Ltd. Item # 23957
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