Chapter 4. Specifications
40 DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Startup Guide (1- and 2-Channel)
4.1.4 Range
4.1.4a Transit-Time Mode:
–40 to 40 ft/s (–12.2 to 12.2 m/s)
4.1.4b TransFlection Mode:
–1 to –30 ft/s (–0.3 to –9.1 m/s)
1 to 30 ft/s (0.3 to 9.1 m/s)
±1 to 15 ft/s (0.3 to 4.6 m/s)
4.1.5 Rangeability
4.1.5a Transit-Time Mode:
400:1
4.1.5b TransFlection Mode:
30 to 1
4.1.6 Repeatability
4.1.6a Transit-Time Mode:
Wetted Transducers: ±0.2% of full scale.
Clamp-on Transducers: ±0.2 to 0.5% of full scale.
4.1.6b TransFlection Mode:
Clamp-on Transducers: ±0.5% of full scale.
4.1.7 Energy Accuracy
The accuracy of the energy measurement is a combination of the accuracy of the associated flow and temperature
measurements.
4.1.7a Transit-Time Mode:
1% of reading typical for calibrated systems.
4.1.7b TransFlection Mode:
2% of reading typical for calibrated systems.
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