Project Description

Flow Sensors

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The SLFSI-T (tee) and SLFSI-S (saddle) advanced flow sensors are designed specifically for the irrigation industry. They are engineered to integrate with the SmartLink™ Aircard with Flow, delivering reliable performance.

SLFSI-T

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PVC Tee - Flow Sensor

SLFSI-S

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Saddle Tee - Flow Sensor

 

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
  • 3 inch saddle: 6 to 300 GPM
  • 4 inch saddle: 10 to 480 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
Tee Type
Tee Type Insert Flow Sensor
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
Saddle Type
Saddle Type Insert Flow Sensor
Models
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

Design Specifications

Flow Sensor Specifications

How To Specify


Flow Sensor Specifications
click to enlarge

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