4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter
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4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter
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Features
Basic Infomation
Place of Origin: china
Brand Name: vacorda
Certification: CE/ISO9001
Model Number: HKD
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RS485 Ultrasonic Water Flow Meter

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20mA Ultrasonic Water Flow Meter

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RS485 digital ultrasonic flow meter

Payment & Shipping Terms
Packaging Details: wooden box
Delivery Time: 15 working day
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 400 pieces/month
Specifications
Product Name: RS485 Flange Mounting Ultrasonic Water Flow Meter
Flow Range: 0.03m/s-5.00m/s
Accuracy: 1mm/s
Water Depth: 0.05m~10.00m
Remprerature Range: -30~160℃
Power Supply: DC 8-36V; AC 85~264V
Signal Output: RS485
Product Description

4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter

For ultrasonic flowmeters, it is generally sufficient to perform maintenance at an interval of 6-12 months, and the specific time needs to be determined according to the actual situation.

 

1. Check zero flow

If the liquid in the pipeline is in a static state and there is no strong vibration or magnetic field interference nearby, the meter head will display 0 at this time, and the small signal should be cut off during operation. Generally, the flow rate will be below 5% of the full-scale flow. Automatic removal.

2. Instrument settings

Before starting the operation of the ultrasonic flowmeter, you should complete the setting of related parameters, including: the unit system used, pipe diameter, fluid type, etc. It is necessary to ensure that all parameters are accurately entered before the meter can display the specific flow value.

3. Periodic verification

In order to ensure that the accuracy of the ultrasonic flowmeter meets the specified requirements, it is necessary to do a regular calibration work. Generally, a portable flowmeter can be used for comparison and analysis, and then combined with the measured data to complete the calculation, and the result can meet the requirements.

4. Regular maintenance

For the external ultrasonic flowmeter, there will be no problems such as water leakage and water pressure loss after the installation is completed. It is only necessary to check the transducer regularly to ensure that it is not loose, while the plug-in flowmeter needs to be checked. The scale or other impurities on the probe are effectively cleaned up. For the integrated flowmeter, in addition to checking the flange connection with the pipeline, it is also necessary to control the humidity, temperature and other factors on site to prevent adverse effects on the electronic components.

4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 0

 

Ultrasonic flowmeter is an indispensable measuring instrument for measuring the flow of liquid, acid, and alkali. The accuracy of the set point-to-point related flowmeter is currently generally used in two ultrasonic flowmeters, Doppler ultrasonic flowmeter and time difference ultrasonic flowmeter. The Doppler type uses the phase difference method to measure the flow velocity. That is to say, because a sound wave of a known frequency moves in the fluid, the liquid itself has a moving speed, so the frequency or phase of the ultrasonic wave between the two receivers (or transmitters) will change relatively. The velocity of the liquid can be obtained by measuring this relative change. The time difference type uses the time difference method to measure the flow rate. That is to say, the propagation time of a sound wave of a certain speed between two receivers (or transmitters) due to the flow of the fluid changes, and the flow velocity of the fluid can be obtained by measuring this relative change. The correct installation method is very important to the flowmeter. Rui Lingyi shares installation tips and suggestions for ultrasonic flowmeters.

4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 14-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 2

 

Ultrasonic Flow Meter

Features

1.Backup and restore setting parameters

2.Using wireless infrared remote control menu interface.

3.The output of analog output can be adjusted arbitrarily.

4.Width adjustable pulse output.

5.Supported isolation 4-20mA output.

6.Support HART protocol .(domestic first)

7.Support Bluetooth, GPRS, GPS communication Backup and restore settings.

8.Support custom serial data format .(when ordered)

9.Support storage mode can choose EEPORM, TFT memory card or USB storage.

10.It supports dual channel measurement function .(customizing more channels).

 

Product Parameters

(1)Flow rate range 0.01 ~ ±32 m/s
(2)Flow range 0.1 to 99999999 m3/h caliber (mm)
(3)Diameter range DN32-10000mm (selected sensor when order)
(4)Accuracy Linearity is better than 0.5%, repeatability accuracy is better than 0.2%, up to 40 picosecond time difference measurement resolution, so that the measurement accuracy reaches + 1%.
(5)Pulse output Isolated programmable OCT output
(6)Working voltage Isolation of DC12-36V or AC180-250V
(7)Shell material Cast aluminum /ABS (host), sensor (ABS).
(8)Installation Wall hanging (main engine), magnetic sucker and hoop (sensor).
(9)Protection grade IP65 (host), IP65 (sensor) (customizable higher protection level).
Detailed Images

 

Ultrasonic Flow Meter detail

Ultrasonic Flow Meter detail

4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 6

 

Integrated installation principle of ultrasonic level gauge
1. The distance from the emitting surface of the sensor to the lowest liquid level should be less than the measuring range of the selected instrument.
2. The distance from the emitting surface of the sensor to the highest liquid level should be greater than the blind zone of the selection and purchase of the instrument.
3. The emitting surface of the sensor should be parallel to the liquid surface.
4. The installation position of the sensor should avoid the fluctuation of the liquid level as much as possible, such as the water inlet and outlet.
5. If the pool or tank wall is not smooth, the instrument should keep the pool or tank wall above 0.3m.
6. If the distance from the transmitter surface of the sensor to the highest liquid level is less than the blind zone of the selected instrument, a telescopic tube should be installed, the diameter of which is greater than 120 mm, the length is 0.35m ≤ 0.50m, the vertical installation, the inner wall is smooth, and the inner hole of the tank should be Greater than the inner diameter of the extension tube. Or the pipe can be directly connected to the bottom of the tank, the pipe diameter is greater than 80 mm, and the hole at the bottom of the pipe can easily flow into liquid.

 

About us
Sichuan VACORDA Instruments Manufacturing Co., Ltd.is a professional production-manufacturing enterprise specialized in designing, producing and marketing of instruments and apparatuses. Our company has been established for 23 years since 1997 to grow up to be a team of high-quality, united, hard-working and truth-seeking characters. Solid foundation has been established.

4-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 74-20mA Output Flange Mounting RS485 Ultrasonic Water Flow Meter 8

 

Ultrasonic Flow Meter

Features

1.Backup and restore setting parameters

2.Using wireless infrared remote control menu interface.

3.The output of analog output can be adjusted arbitrarily.

4.Width adjustable pulse output.

5.Supported isolation 4-20mA output.

6.Support HART protocol .(domestic first)

7.Support Bluetooth, GPRS, GPS communication Backup and restore settings.

8.Support custom serial data format .(when ordered)

9.Support storage mode can choose EEPORM, TFT memory card or USB storage.

10.It supports dual channel measurement function .(customizing more channels).

 

Product Parameters

(1)Flow rate range 0.01 ~ ±32 m/s
(2)Flow range 0.1 to 99999999 m3/h caliber (mm)
(3)Diameter range DN32-10000mm (selected sensor when order)
(4)Accuracy Linearity is better than 0.5%, repeatability accuracy is better than 0.2%, up to 40 picosecond time difference measurement resolution, so that the measurement accuracy reaches + 1%.
(5)Pulse output Isolated programmable OCT output
(6)Working voltage Isolation of DC12-36V or AC180-250V
(7)Shell material Cast aluminum /ABS (host), sensor (ABS).
(8)Installation Wall hanging (main engine), magnetic sucker and hoop (sensor).
(9)Protection grade IP65 (host), IP65 (sensor) (customizable higher protection level).
Detailed Images

 

Ultrasonic Flow Meter detail

Ultrasonic Flow Meter detail

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Contact Person : Mr. Nancy Lan
Tel : +8618008153272
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