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The LEM-320 module is used to expand the NFS-640/NFS2-640 to a second loop
The NCM-W provides two sets of switches to simplify network setup
The FST-951R-IV Series offers features and performance that represent the latest in thermal detector technology
Includes rotary address switches
The net effect is response speed greater than five times that of earlier designs
System Sensor 2351B-IV Intelligent Photoelectric Smoke Detector TC804C1001 The LEM-320 module is usedThe System Sensor 2351B (2351B IV) photoelectric detectors re designed optical sensing chamber is engineered to sense smoke produced by a wide range of combustion sources in accordance with more stringent code standards. The sensitivity of Select Series detectors can be programmed using the control panel software to suit the environment. The 2351BR (2351BR IV) photoelectric detector is also remote test capable for use with a DNR (DNRW) duct smoke
US$ 125.25
US$ 24.99
US$ 133.12
US$ 106.38
US$ 197.75
