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PTFM 1.0 Portable Ultrasonic Transit Time Flow Meter
Brand: Pulsar Measurement
The Greyline PTFM 1.0 Portable Transit Time Flow Meter operates by measuring the “transit time” or “time of flight” for ultrasonic sound pulses transmitted from one transducer to another.
Depending on the mounting configuration the signal may cross the pipe once, twice, or four times.
To measure flow the transit time is compared between ultrasonic signals traveling upstream and downstream.
Use it for calibrations, troubleshooting, flow surveys, and as a temporary transmitter to replace inline flowmeters.
Ultrasonic transducers clamp-on the outside of pipes from 50 mm to 1200 mm (2 in to 48 in) diameter.
Transducers can be mounted without shutting down flow and there is no obstruction or pressure drop.
It measures and totalizes forward and reverse flow.
Features- Non-Contacting Clamp-on Ultrasonic Transducers Works on Metal and Plastic Pipes
- Large Backlit Flow Rate Display and Totalizer
- Isolated 4-20 mA Output
- Built-in 5-Key Calibrator
- 300,000 point data logger
Specifications
Brand
Operating Parameters
- For Clean Liquids in Full Pipes with Less than 2 % Solids or Gas Bubbles
Calibration
- Built-In, 5-Button Keypad with English, French, and Spanish Menu Language Selection
Electronics Enclosure
- Portable, ABS
Accuracy
- ± 1 % of Reading from 0.3 m/s (0.1 ft/s), whichever is greater
- Repeatability & Linearity: ± 0.25 %
Power Input
- External Charger with 100-240 VAC 50/60 Hz Input
- Built-In NiMH Battery for Up to 18 Hours Continuous Operation
Display
- White, Backlit Matrix - Displays 5-Digit Flow Rate with Floating Decimal, 14-Digit Totalizer, Calibration Menu, and Daily Flow Report
Outputs
- USB for Data Log Transfer by Direct PC Connection
- 4-20 mA (500 ohms) when Powered by AC Adapter
Operating Temperature
- Transducer: -40° to +150° C (-40° to +300° F)
- Electronics: -20° to 60° C (-5° to 140° F)
Carry Case
- IP67 with Protective Molded Foam Inserts