Ultrasonic portable flowmeter | Application principle of portable Doppler ultrasonic flowmeter for river channel pipelines | Jiangxi ultrasonic flowmeter manufacturer

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1. Chinese manual for TDS-100P portable ultrasonic flowmeter: [6]

The core content of the Chinese manual for TDS-100P portable ultrasonic flowmeter is as follows:

1. Product Overview TDS-100P portable ultrasonic flowmeter is a high-precision, non-contact flow measuring instrument suitable for measuring the flow rate of liquids in closed pipelines. It adopts the principle of ultrasonic time difference method, which calculates the flow velocity by measuring the time difference between the forward and backward propagation of ultrasonic waves in the fluid, and then obtains the flow rate value. This product has the advantages of easy installation, accurate measurement, and good stability, and is widely used in fields such as petroleum, chemical, water conservancy, and environmental protection.

2. Main functional features: High precision measurement: The measurement accuracy can reach ± 1%, and the repeatability is better than ± 0.5%, meeting most industrial measurement needs.

. Non contact measurement: No need to damage the pipeline, easy installation, suitable for various materials of pipelines. Wide range ratio: The range ratio can reach 1:100, suitable for measurement scenarios with different flow rates. Multiple signal outputs: Supports 4-20mA current signals, RS485 communication interfaces, etc., making it easy to connect with the upper computer system. Data storage function: Built in large capacity storage, capable of storing a large amount of measurement data for subsequent analysis. Portable design: small size, light weight, easy to carry and operate on site.

3. Instructions for use: Install and prepare to check whether the appearance of the flowmeter is intact and whether the accesso

ries are complete.

. Select the appropriate sensor installation method (such as external clamp, insertion, etc.) based on the material and diameter of the pipeline. Clean the surface of the pipeline to ensure good contact between the sensor and the pipeline. When installing an external clamp sensor, align the sensor with the pipeline and secure it with a special clamp to ensure a tight fit between the sensor and the pipeline. When installing a plug-in sensor, it is necessary to drill holes in the pipeline, insert the sensor into the pipeline, and seal it with sealant. Connect the sensor signal line to the flowmeter host during wiring and debugging, paying attention to the positive and negative polarity. Connect the power supply, enter the settings interface after turning on, and input pipeline parameters (such as pipeline diameter, material, fluid type, etc.). Perform zero calibration and range calibration to ensure accurate measurement. After the measurement operation calibration is completed, the flowmeter automatically enters the measurement state and displays the current flow value. Display parameters (such as instantaneous flow rate, cumulative flow rate, flow rate, etc.) can be switched through buttons. To store data, press the store button to save the current measurement data to the built-in memory.

Fourth, common faults and solutions: no display or abnormal display. Causes: power failure, damaged display screen, host failure.

. Solution: Check if the power connection is normal; Replace the display screen; Contact the manufacturer to repair the host. Reasons for unstable measurement data: sensor installation is not secure, there are bubbles or impurities in the pipeline, and the fluid flow rate is uns

Ultrasonic portable flowmeter | Application principle of portable Doppler ultrasonic flowmeter for river channel pipelines

1. Chinese manual for TDS-100P portable ultrasonic flowmeter: [6]

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