Ionization Smoke Detector
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System Sensor 200 Series intelligent plug-in smoke detectors with integral communication provide features that surpass conventional detectors. Detector sensitivity can be programmed in the control panel software. Sensitivity is continuously monitored and reported to the panel. Point ID capability allows each detector’s address to be set with decade address switches, providing exact detector locations for selective maintenance when chamber contamination reaches an unacceptable level.
Model 1251B ionization detector incorporates a unique single source, dual chamber design to respond quickly and dependably to a broad range of fires.
Specification
Height : 2.0 inches (51mm)
Diameter
6.1 Inches installed in B210LP base4.1 inches (104 mm) installed in B501 base
Shipping Weight
Heat 4.8 oz. (136 g)Photo/phot with heat 5.2oz. (147 g) ion 5.4 oz. (153 g)
Operating Temprature Range
Ion Photeo : 32-1200F (0-490C)Photo with Thermal 32-1000F (0-380C)Thermal : -4-1000F (-20-380C)High Temprature : -4-1500F (-20-660C)
UL Listed Velocity Range
Ion : 0 - 1200 fpm (0 - 6.1 m/secPhoto with Thermal : 4000 fpm
Suitabe For Installation in ducts
Insect Screen Hole Size
Photo : 0.016 inch (0.41mm) nominalIon : 0.035 Inch (0.8mm) nominal
Relative Humidity : 10-93% noncondensing
Thermal Rating
Fixed Temprature Setpoint : 1350F (570C)Rate of Rise Detection : 150F/min (8.30C/min.)High
Temprature Heat : 1900F (880C)
Voltage Range : 15-32 Volts DC Peak
Standby Current (Max. Avg.)
Ion/Thermal : 150 pA @ 24 VDC (without communication, LED off) 150 pA @ 24 VDC (one communication every 5 sec. with LED enabledPhoto/Photo With Thermal : 250 pA @ 24 VDC (without communication LED off), 300 pa @ 24 VDC (one communication every 5 sec. with LED Enables)
LED Current (Max.) : 6.5 mA @ 24 VDC (on)
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