Project Description

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Flow sensor wires directly to SmartLink enabling web-based management

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Your water savings - Save Lives

  • Threaded retaining nut makes it easier to service in a valve box
  • The molded mounting tee provides consistent measurements and overall improved performance
  • Four bladed lightweight impeller is sensitive enough to measure lower flow rates
  • Smart electronics capable of better signal filtering
  • Affordable enough to install on nearly all new and old systems

SLFSI-TXX

SLFSI-SXX

SLFSI-BXX

Models SLFSI-T10
1″ Tee Type Insert Flow Sensor – Used with the SmartLink Flow Aircard


SLFSI-T15
1 1⁄2″ Tee Type Insert Flow Sensor – Used with the SmartLink Flow Aircard


SLFSI-T20
2″ Tee Type Insert Flow Sensor – Used with the SmartLink Flow Aircard

SLFSI-S30
3″ Saddle Type Insert Flow Sensor – Used with the SmartLink Flow Aircard


SLFSI-S40
4″ Saddle Type Insert Flow Sensor – Used with the SmartLink Flow Aircard

SLFSI-B15
1 1⁄2″ Brass Tee 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
Impeller – HDPE (High Density Polyethylene)
Mounting Tee & Retaining Nut – Lead Free Bronze Alloy C89833 Federalloy I-836
Shaft – Tungsten Carbide
O-ring — Buna-N
Sensor Insert – Type 1 PVC
Pressure Rating 150 PSI @ 90º F 250 PSI Maximum working pressure
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)
Quiescent current: 120 uA@8 VDC to 35 VDC max.
Off State: (VHigh)= Supply Voltage – (120uA X Source Resistance)
On State: (VLow)= Max. 0.85 Volts@50mA, (10Ω +0.7VDC)
Flow Range 0.25 to 12 FPS 0.50 to 15 FPS
1″ tee: 0.86 to 52 GPM
1 1⁄2″ tee: 1.8 to 108 GPM
2″ tee: 2.8 to 170 GPM
3″ saddle: 6 to 300 GPM
4″ saddle: 10 to 480 GPM
3 to 90 GPM (11 to 340 LPM)
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


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    Icon SLFSI-TXX Flow Sensor Manual   Download
    Icon SLFSI-SXX Flow Sensor Manual   Download
    Icon SLFSI-BXX Flow Sensor Manual   Download
    Icon SLF-COMBIFLOW Installation Instructions   Download
      Icon SLFSI-TXX Flow Sensor Manual   Download
      Icon SLFSI-SXX Flow Sensor Manual   Download
      Icon SLFSI-BXX Flow Sensor Manual   Download
      Icon SLF-COMBIFLOW Installation Instructions   Download

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