Weathermatic - 2'' Flow Sensor Tee - SLFSI-T20

SLFSI-T20 - 2'' Tee (Slip) Type Insert Flow Sensor Used with the SmartLink Flow Aircard

• Detect leaks, broken heads, lateral and main line breaks
• User defined low/high flow limits, by zone
• Automatic shutdown of both master and/or zone valve when flow limits are exceeded

Features

• Molded Mounting Tee for improved control of dimensions for more consistent measurement and improved performance at low flow.
• Threaded Retaining Nut instead of retaining pin makes it easier to service in a valve box, more moisture resistance for electronics resulting in longer life.
• Unique 4 bladed lightweight impeller measures lower flow rates. Detects flow as low as 20% of published minimum rate of other impeller sensors
• Smart electronics detection system contains a micro-processor for better signal filtering and conditioning. Detection circuit also contains superior over-voltage and overcurrent protection.
• Affordable enough to install on nearly all new and old systems.

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 @ 90º F

Temperature Range

32º F to 140º F (0º to 60º 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, (10Ω +0.7VDC)

Flow Range 

• 0.25 to 12 FPS
• 2'' tee: 2.8 to 170 GPM

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

Manuals & Literature

• Installation Instructions
• Flow Sensor Pipe Sizing Chart