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Product introduction

Extremely low starting flow, with a minimum measurable flow speed of 0.01m/s.

Ultra low power design, power consumption less than 0.00055w.

Battery power supply can work continuously for 6-10 years.

Adopt ultrasonic sensor, no mechanical rotation part, 10-year maintenance free design

The two-way flow can be measured and measured, and the pipe section mold casting can ensure no leakage.

Measurement accuracy ±1%, ±2%, ±3% optional.

Technical parameter

Measurement principle: ultrasonic time difference principle, low-voltage multi pulse transmitting circuit and double balanced noise suppression receiving circuit are adopted.

Measuring medium: water and other liquids, suspended solids content < 10g / I, particle size < 1mm, liquid filled pipeline.

Pipe diameter range: dn15-1000mm. Users can choose a full range of different pipe diameters

Length of pipe section: designed according to the specification and size of ordinary water meter

Measurement cycle: 3 seconds by default, 1 ~ 31 seconds, user selectable

Applicable temperature: ambient temperature - 40 ℃ ~ 80 ℃ (LCD display - 25 ℃ - 60 ℃)

Accuracy: ± 1%, ± 2%, ± 3% optional

Repeatability accuracy: better than ± 0.5%

Sensor: high temperature wear-resistant ceramic sensor, suitable for medium fluid temperature - 40 ℃ ~ 160 ℃

Protection grade: IP68, die cast aluminum meter case, working normally 2m underwater

Interface output: RS232, RS485 standard configuration, 4-20mA, M-BUS, GPRS, CDMA, GSM short message optional.

Power supply mode: a single 3.6V lithium battery can work for 6 years, the optional battery can work for more than 10 years, and it works normally when the voltage is 2.6V; Active 4-20mA power supply (two-wire system), which can work normally without battery; When RS232 is output, the host is powered off and can work normally without battery; An additional 5V power supply is required for RS485 output, which can work normally without battery.

Product features

Applicable liquid medium: single, uniform and stable fluid such as water, acid-base liquid and oil, with turbidity less than 10000ppm and particle size less than 1mm

Applicable medium temperature: 0 ℃ ~ 160 ℃ function: positive and negative two-way metering, which can measure positive, negative and net cumulative flow; Pressure: ≤ 1.6Mpa

Ambient temperature / humidity: Host - 30 ℃ - + 80 ℃; Sensor - 40 ℃ - + 160 ℃, the sensor can work in water, the water depth is less than 3m, and the applicable pipe diameter is dn10mm ~ dn1000m

Requirements for straight pipe section: upstream > 10d, downstream > 5D, distance from pump outlet > 30d (D: pipe diameter)

Flow rate range: 0 ~ ± 30m / S

Accuracy grade: better than 1%

Repeatability: better than 0.5%

1. Compact, firm and high precision.

2. It has 4-20mA or 0 ~ 20m output, and can be equipped with RS-232 communication or RS-485 communication.

3. OTC outputs positive, negative and net cumulative flow pulse signals or instantaneous flow frequency signals.

4. It has the function of audible alarm prompt, and automatically memorizes the cumulative flow of the first 64 days, the first 64 months and the first 5 years.

5. 5 analog current signals can be input.

6. All Chinese LCD displays instantaneous flow, positive, negative, net cumulative flow, flow rate, time, analog input and other data.

7. The relay can output nearly 20 source signals.

The pipeline ultrasonic flowmeter uses the principle of ultrasonic time difference to measure the flow of liquid in the circular pipe. The ultrasonic water meter in the factory of Fujida company adopts industrial grade electronic components and relies on battery power supply. It has no mechanical rotation, wear and pressure loss. It is an all electronic industrial water meter. Ultrasonic water meter has the advantages of high precision, good reliability, low price and long service life. It can completely replace other types of water meters.