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Introduction

Principle & Structure

An instrument for measuring volume flow by detecting the action of an ultrasonic beam (or ultrasonic pulse) when the fluid is flowing. The externally attached ultrasonic flowmeter is composed of a host and an externally attached sensor. It only needs to stick the sensor on the surface of the pipe to complete the flow measurement of various liquids. Compared with other types of flowmeters, it does not need to cut off the pipe and the flow is convenient to install.

application

It is widely used in tap water, heating, water conservancy, metallurgy, chemical industry, machinery, energy and other industries, and can be used for production monitoring, water balance debugging, heating network balance debugging, and energy saving monitoring.

Features

● Optimal choice when new large-scale pipelines have no real-flow verification parameters

● Can measure non-conductive liquids

● The measurement of DN15~DN6000mm pipeline can be completed by a set of host and several pairs of sensors

● No flow obstruction measurement, no pipeline pressure loss

● Automatically memorize the accumulated flow for the first 512 days, the first 128 months and the first 10 years, automatically memorize the first 64 times of on-off time and flow rate, and automatically memorizes whether the working state of the flowmeter is normal for the first 32 days

● Supports heat measurement and is connected with a temperature sensor to realize heat measurement.

● Support SD card memory, which can realize data storage.

technical parameter

principle:

The principle of ultrasonic time difference

Accuracy:better than ±1%
show:Can be connected to 2×10 backlight type or 2×20 character LCD display
Signal output:1 channel relay output
signal input:

3 channels of 4~20mA current input, accuracy 0.1%,

Can collect temperature, pressure, liquid level and other signals and display (only FU30A)

Can be connected to three-wire PT100 platinum resistance to realize heat measurement

Data interface:Isolated RS485 serial interface, support MODBUS protocol
Tube:

Steel, cast iron, copper, aluminum, etc., lining allowed

Cement pipe, PVC, FRP

Straight pipe section:10D upstream, 5D downstream, 30D away from the pump outlet (D is the diameter of the application pipe)
Tube inner diameter:

15~100mm (suitable for KU1, KUH1 sensor)

50~700mm (suitable for KU2, KUH2 sensor)

300~6000mm (suitable for KU3, KUH3 sensor)

temperature:Host ﹣20~60℃; Sensor: ﹣30~160℃
humidity:Host 85%RH; flow sensor: can be immersed in water, water depth < 2m (Note: after the sensor is filled with glue)
power supply:DC8~36V or AC85~264V
Power consumption:1.5W
temperature:﹣30~160℃
Turbidity:10000ppm with low bubble content
Flow rate:0~±10m/s
Applicable media:water/seawater/pretreated sewage/acid/lye/alcohol, beverage/oil

Selection table

FU10-Handheld Clamp Ultrasonic Flow Meter
FU20-Portable Printed Outer Clamp Ultrasonic Flow Meter
FU30A-Wall Mounted Split Clamp Ultrasonic Flow Meter
FU30B-Disk mounted separate external clip-on ultrasonic flowmeter
FU30C-Separate external clamp ultrasonic flowmeter (explosion-proof function type)

Flow Sensors

Standard small DN15~DN100

Standard medium DN50~DN700

Standard large DN300~DN6000

High temperature small DN15~DN100

High temperature medium DN50~DN700

High temperature large DN300~DN6000

Bracket standard small DN15~DN100

Bracket standard medium DN50~DN700

Bracket extension DN300~DN6000

Bracket high temperature small DN15~DN100

Bracket high temperature medium DN50~DN700

Bracket high temperature extension type ≥ DN300

Signal cable length

Standard 5-meter cable (each set includes 2 5-meter cables)

The unit is meters (X represents the cable length required on site)

(special alternative) VARIO

SD card data storage and computer reading software (optional for FU30 series)

IP68 high protection instrument protective box (portable)

IP65 instrument host protective box (fixed fire-resistant plastic version)

IP65 instrument host protective box (fixed 304 stainless steel)

(Special option for cold and heat measurement) VARIO

Externally attached temperature sensor (for metal pipes without insulation layer)

plug-in temperature sensor

Press-fit plug-in temperature sensor

Small bore temperature sensor
The complete data of this selection table, please contact the sales staff or email to sales@kewill-auto.cn for complete samples.
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