Greyline Open Channel Flow Monitor 4.0
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Operation Manual
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Greyline Open Channel Flow Monitor 4.0 $101.25  $236.25 $675 
  • Non-Contacting Ultrasonic Sensor
  • Accurate and Verifiable
  • Built-in 50,000 point Data Logger and Windows Software
  • USB and RS232 Outputs
  • 4-20mA/0-5V Output
  • 3 Programmable Control Relays
  • Simple 3-key Calibration with Password Protection

Continuously monitor, display, totalize and data log flow through any flume or weir. The OCF 4.0 includes a non-contacting ultrasonic sensor that mounts just 8" (203.2 mm) above the flowing water. It is accurate (±0.25%) and reliable. There is no obstruction to flow and no fouling. Use the built-in Keypad/menu system to select your flume or weir from the Menu and to choose measurement units (gallons, liters etc.)

The Greyline OCF 4.0 includes built-in 50,000 point Data Logger and flow reporting system. Retrieve data logs with 'Greyline Logger' software – included free with each OCF-4.0. Connect the USB or RS232 output directly to the serial port on your PC or Laptop.