Thermalpas field deployment (Taiwan) · Construction & R&D
NARLabs ITRC: flow, temperature and thermal energy from one device
A jointly developed ultrasonic flow meter with an integrated Thermalpas pipe-clamp thermometer.
- 1 deviceReplaces 2 sensors
- PublishedResearch-credentialed design

The problem
Taiwan's National Applied Research Laboratories needed to measure flow rate and temperature in a single water or steam pipe, for ESG-grade thermal-energy (BTU/MJ) reporting — a measurement no off-the-shelf product made well. Combining two separate sensors means two penetrations into the pipe, two cables, two calibrations, and two chances for one to drift out of sync with the other.
What was installed
NARLabs and Thermalpas jointly developed an ultrasonic flow meter integrated with a Thermalpas pipe-clamp thermometer — one device, one cable, one calibration. The temperature reading is folded into the flow calculation, and a single module outputs flow, temperature and thermal energy for ESG-ready reports.
The outcome
NARLabs published the design and uses it across its pilot facilities. The combined sensor has since been picked up by water-utility customers and district-heating operators in northern Taiwan. Subsequent work extended to MOEA Industrial Bureau and Bureau of Energy programs.
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