TTFM 1.0 Transit Time Flowmeter

• Non-Contacting Clamp-on Ultrasonic Transducers
• Works on Metal and Plastic Pipes
• Large Backlit Flow Rate Display and Totalizer
• Isolated 4-20mA Output
• Built-in 5-Key Calibrator
• 2 Programmable Control Relays
• Optional 2 Million Point Data Logger

This model has been replaced by the new Greyline TTFM 6.1 Transit Time Flowmeter.
Parts, service and tech support for the TTFM 1.0 are still available from Greyline.

DFM 5.1 Doppler Flow Meter

• Non-Contacting Ultrasonic Sensor
• Accurate and Verifiable
• Built-in 2-million point Data Logger and Windows Software
• USB Outputs to Flash Memory Sticks
• Isolated 4-20mA/0-5V Output
• 2 Programmable Control Relays
• Simple 5-key Calibration with Language Selection

This model has been replaced by the new Greyline DFM 6.1 Doppler Flow Meter.
Parts, service and tech support for the DFM 5.1 are still available from Greyline.