Portable Clamp-On Ultrasonic Flowmeter

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The Model 230 is a portable dual-channel ultrasonic flowmeter for non-invasive and nonintrusive flow measurement of liquids and liquefied gases in fully filled pipes. It is supplied with an internal datalogger and software for the recording and download of measured values. Additionally, it can be equipped with an integrated wall thickness gauge. Thanks to its intuitive instrument menu, Setup Wizard and Audible Sensor Positioning Assistant™, the flowmeter can be set up and its sensors correctly installed in a matter of minutes. Its two flow channels enable the Model 230 to monitor the flow on two pipes simultaneously or alternatively on one single pipe in a multi-path sensor mounting configuration. Equipped with the optional Heat Quantity Measurement function and PT100 sensors, the instrument can further be employed as a portable heat meter. Measured values can also be transferred by optional process outputs.

Optional Heat Quantity Measurement function turning flow meter into portable heat meter
Powered by 8 x AA rechargeable internal batteries for up to 24 hours
Auto-detected ultrasonic clamp-on sensors and optional intergrated wall thickness gauge
Graphic LCD display, diagnostic and maths functions for dual-channel measurements
Available with crush-proof IP 67 case or lightweight soft case holding all necessary accessories including clamp-on chains, clips and accoustic coupling paste
Mains and internal battery power supply, optional external battery pack available for long-term measurements (up to 21 days)
Bi-directional measurement with totaliser function

Full Product Specification

PERFORMANCE
Measurement Principle	Ultrasonic transit-time difference correlation
Flow Velocity Range	0.01-25 m/s
Resolution	0.25 mm/s
Repeatability	0.15% of measured value ±0.015 m/s
Volume Flow Accuracy	±1-3% of measured value depending on application ±0.5% of measured value with process calibration
Flow Velocity Accuracy (mean)	±0.5% of measured value
Turndown Ratio	1:100
Measurement Rate	10-1,000 s^-¹
Response Time	1 s
Damping of Displayed Value	0-99 s
Gaseous and Solid Content of Liquid Media	<10% of volume
GENERAL
Enclosure Type	Portable
Degree of Protection	IP65 according to EN 60529
Operating Temperature	-10 to 60ºC (14 to 140ºF)
Housing Material	Extruded aluminium, Al MG Si 0.5, lids die-cast zinc alloy GD-Zn AL 4 CU 1
Measurement Channels	2
Calculation Functions	Average, difference, sum, highest (dual-channel use only)
Power Supply	Internal rechargeable batteries, 8x NiMH AA 2850 mAh Power adapter, 100-240V AC input, 9V DC output External battery pack, 12V 105Ah (optional)
Operating Time	Up to 24 hours with fully charged internal batteries
Display	LCD graphic display, 128 x 64 dots, backlit
Dimensions	290 x 180 x 37 mm (H x W x D)
Weight	2 kg (approximately)
Power Consumption	<5 W
Operating Languages	English, German, French, Spanish, Russian

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Portable Clamp-On Ultrasonic Flowmeter

Full Product Specification

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