4" Saddle Type Insert Flow Sensor - Used with the SmartLink Flow Aircard Professional Materials Impeller - HDPE (High Density Polyethylene) Shaft - Tungsten Carbide O-ring - Buna-N Saddle, Sensor Housing, Retaining Nut - Type 1 PVC Pressure Rating 150 PSI @ 90§ F Temperature Range 32§ F to 140§ F (0§ to 60§ C) Output Signal Frequency Range: 0.3 Hz to 200 Hz Output Pulse: 5 ms +/-25% Transducer Performance Quiescent current: 600 uA@8 VDC to 35 VDC max. Quiescent voltage: (VHigh)= Supply Voltage - (600uA X Supply Impedance) On State: (VLow)= Max. 1.2 VDC@50mA current limit, (10O +0.7VDC) Electrical Cable 2 single conductor solid copper U.L. listed #18 AWG leads with direct burial insulation Lead length: 48 inches Wiring may be extended up to 2,000 feet with direct burial, twisted pair shielded cable