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Ultrasonic Flow Meter

Non-invasive ultrasonic flow meters for pipe flow measurement using advanced transit-time technology.

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RBUF200

RBUF200 Flue Gas Ultrasonic Flowmeter

Ultrasonic transit-time flowmeter for continuous online monitoring of flue gas emissions. Designed for boiler stacks, CEMS outlets, and chimney flues in high-temperature, high-humidity, high-dust environments. Compliant for carbon emission and VOCs reporting.

≤±2.0%0.5m – 15m flue diameter
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RBBH

RBBH Ultrasonic Heat (Cooling) Meter / BTU Meter

Residential ultrasonic heat/cooling BTU meter (DN15–DN40) for HVAC and district heating. Uses transit-time technology with matched PT1000 sensors. 10+ year battery life, no moving parts, EN1434 Class 2 compliant.

EN1434 Class 2, MID M1/E1DN15 – DN40
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RBBW

RBBW Battery-Powered Ultrasonic Water Meter

High-performance battery-powered ultrasonic water meter for municipal, industrial, and agricultural water management. Range ratio up to R=400 captures even the smallest leaks. IP68 rated with NB-IoT, LoRa, GPRS for smart AMR/AMI systems.

Class 2 (R=250 or R=400)DN15 – DN1000
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RBBG

RBBG Series Ultrasonic Bubble Detector

Non-invasive ultrasonic air bubble detector for plastic tubing. Detects air bubbles, microbubbles, and gas/liquid states using ultrasonic pulse technology. Widely used in medical devices, bioprocessing, and industrial automation.

N/A (detection sensor)Various tubing sizes
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RBCS

RBCS Non-invasive Ultrasonic Flow Sensor

Compact clamp-on ultrasonic flow sensor for rigid plastic tubing (PFA, PTFE, PVDF, PP, Nylon). Non-contact measurement eliminates contamination risk. Integrated as flow meter, flow switch, or bubble detector.

±2% + zero offset1/4" – 1" tubing OD
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RBHFM-P

RBHFM Portable Ultrasonic Flow Meter

Full-function portable transit-time clamp-on ultrasonic flow meter. A single pair of transducers covers DN25–DN1200. Ideal for flow verification, site surveys, and temporary monitoring across multiple locations.

±1% of measured valueDN25 – DN1200
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RBHFM-EF

RBHFM-EF Fixed Clamp-on Ultrasonic Flow Meter

Wall-mount fixed clamp-on ultrasonic flowmeter using transit-time technology with FPGA chip and low-voltage broadband pulse transmission. Non-invasive measurement for DN25–DN1200 pipes with a single pair of transducers.

±1% of readingDN25 – DN1200
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RBFM-K

RBFM-K Compact Clamp-on Micro Ultrasonic Flow Meter

All-in-one compact clamp-on ultrasonic flow/heat meter for small pipes (DN15–DN65). Clam-shell design enables quick installation without cutting pipes or stopping production. Ideal for HVAC chilled water, hot water, and pure water applications.

±2% (±1% after calibration)DN15 – DN65
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RBFM-MK

RBFM-MK Small Pipe Clamp-on Ultrasonic Flow Sensor

Cost-effective clamp-on transit-time ultrasonic flow sensor for small pipes (DN8–DN40) and low flow rates. Easily installed without pipe modification by clamping to the outside of pipes, tubes, or hoses.

< ±3% FSDN8 – DN40
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RBFM

RBFM Wall-Mounted Clamp-on Ultrasonic Flow Meter

Fixed-mount wall-mounted clamp-on transit-time ultrasonic flow meter for non-invasive liquid flow measurement. Supports clamp-on, in-line, and insertion transducers for pipe sizes from DN15 to DN6000.

±1% – ±2% of readingDN15 – DN6000
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