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System Sensor 4WTR-B 4-wire p/e smoke w/therm&form

Special Price: $71.99
SKU: BK-4WTRB
LimitedAvailability
MPN: 4WTR-B
System Sensor i3 â„¢ sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices.

Installation ease. Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design. The base accommodates a broad range of back box and direct mounting options and provides ample space for pre-wiring the device. To complete the installation, the i3 detector plugs into its base with a simple Stop-Drop "™N Lock action.

Intelligence. To reduce the likelihood of nuisance alarms, all i3 detectors are equipped with both drift compensation and smoothing algorithms. These capabilities minimize both short- and long-term causes of nuisance alarms, such as RF interference and dust accumulation. When connected to the 2W-MOD2 loop test/ maintenance module or an i3 Readyâ„¢ panel, 2"‘wire i3 detectors can generate a remote maintenance signal when in a maintenance or freeze trouble condition. To measure the sensitivity of any i3 detector, the SENS-RDR displays the reading, in terms of percent-per-foot obscuration, within seconds.

Instant inspection. i3 has red and green LEDs to simplify local status indication during power-up, standby, alarm, maintenance, and freeze trouble conditions. When in alarm, i3 sounder models generate an 85 dB temporal tone. If connected to the RRS-MOD reversing relay/synchronization module, all i3 sounders on the loop will activate when one detector is in alarm. The RRS-MOD also synchronizes i3 sounder output to ensure a clear audible signal.  

Should the application call for differentiating between a local and a general alarm, the i3 line offers an isolated thermal model, which initiates a local alarm when smoke is detected, and a general alarm when the thermal sensor is activated.

Features  
• 85 dB sounder  
• Form C relay  
• Isolated thermal sensor  
• Plug-in design (base included)  
• In-line terminals  
• Flexible mounting options  
• Stop-Drop "™N Lockâ„¢ attachment to the base  
• Removable cover and chamber  
• Remote maintenance signaling  
• Drift compensation and smoothing algorithms  
• Simplified sensitivity measurement  
• Dual-color L

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