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Portable Ultrasonic


Regal RH40 Portable Flow and Energy Metering

Calibrated Clamp On Ultrasonic Energy Measurement

Spire brings the power of handheld system sizing and diagnostics to your toolbox. Fuel oil, glycol, waste streams, water and energy distribution- Spire’s portable Regal RH40 flow and BTU meter is up to the challenge. RH40 is the professional’s choice for flow survey, meter verification, energy auditing, pump performance validation, HVAC and energy balancing, and other demanding facility management flow and energy monitoring applications. Click “Contact Us” today to discuss your system management needs!

  • Energy Measurement per standard OIML R75/EN1434
  • Freedom to size systems where you need to
  • Paired PT1000 temperature sensors
  • On board datalogs capture activity for analysis
  • No moving parts- install in minutes
  • Applications ¾” to 120”


The RH40 handheld flowmeter and BTU meter is a perfect fit for the below applications:

  • Energy consumption supervision and water conservation management.
  • Cooling system and air conditioning/glycol solutions.
  • Water, including hot water, chilled water, city water, sea water, and more
  • Sewage and drainage water with small particle quantity.
  • Oil, including crude oil, lubricating oil, diesel oil, fuel oil, and more
  • Chemicals, including alcohol, acids, and more
  • Solvents.
  • Beverage and food processing.
  • Water and waste water treatment.
  • Power plants (nuclear, thermal & hydropower) heat energy boiler feed water.
  • Metallurgy and mining applications (e.g., acid recovery)
  • Marine operation and maintenance.
  • Pulp and paper.
  • Pipeline leak detection, inspection, tracking and collection.
  • Water distribution network monitoring.


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