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Ultrasonic Precision Water Meter - Modbus


Our ultrasonic meters incorporate a patented design without reflectors or any other obstructions to water. This results in a near-zero pressure impact, which most other meters in the market find hard to meet. These meters are precise (99.45% on average) across a high range.

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Fcri certified


  • Highly Accurate
  • ISO 4064:2014
  • Leakage Alerts
  • No Pressure Drop
  • Does not measure air
  • Cloud Based
  • Mobile & Web App
  • Online analytics available
  • Rate of flow indication
  • Configurable LCD display
  • Remote reading
👍 Best suited for Highrise Buildings, Clustered Spaces & BMS


Temperature ClassT50
Max Pressure16 Bar
Pressure Loss0.05 Bar
Water Channel MaterialCPVC
Enclosure MaterialABS or PC
IP RatingIP68
Mounting OrientationAny (H, V, slant)
Accuracy Class2
Resolution Error0.02%
Average Accuracy99.45%
ISO CertificationISO 4064:2014 (Q3=1.6m3/h)
Measurement Capable RR1500 (0.08 to 120 lpm)
CommunicationModbus / Lora
Battery Life8 years (optional)
Valve TypeActuator Based (optional)


These meters communicate over RS485/Modbus, industry-standard communication protocol for reliable communication in interference-ridden environments. It can integrate into your existing RS485/Modbus network and BMS/Scada/HMI systems.

Aegir meters are tested by Flow Control Research Institute (FCRI - a premier standards testing laboratory under Government of India) for accuracy. Apart from its high accuracy, tests also reveal that these meters cause extremely low pressure drops (less than 8% of ISO allowed drop). Also, the meters are rated for a high temperature range (up to 80 C) and high pressure withstanding capability.

Naming of the meter

Available Sizes (in mm): 15/20/25/32
Communication: L=Lora / M=Modbus
Optional Features: B=Battery / V=Valve

Example: US20-MV is an Ultrasonic meter of 20mm size, with Modbus and Valve, no Battery

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Ultrasonic Precision Water Meter - Modbus

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