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Greyline Open Channel Flow Monitor 4.0
Product Brochure

Operation Manual

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$75  $225  $675 

Click here or call 800-393-4009.

  • 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.