Intelligent Turbine Flow Meter | How to Disassemble the Turbine in Intelligent Turbine Flow Meter

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1. Technical Parameters of Intelligent Liquid Turbine Flow Meter

Detailed Analysis of Technical Parameters of Intelligent Turbine Flow Meter: Implementing Standard Turbine Flow Sensor (JB/T9246-1999) Instrument Diameter (mm) and Connection Method

4、

6、

10、1

5、20、2

5、3

2、40、50、6

5、 80 adopts threaded connection?? Accuracy level? ± 1% R, ± 0.5% R, ± 0.2% R (to be customized) range ratio? 1:10； 1:15； 1: 20 sensor material? What are the usage conditions for 304 stainless steel, 316 (L) stainless steel, etc? Medium temperature: -20 ℃~+120 ℃, ambient temperature: -20 ℃~+60 ℃, relative humidity: 5%~90%, atmospheric pressure: 86Kpa~106Kpa, signal output function? Pulse signal, 4-20mA signal communication output function? RS485 communication, HART protocol, etc. are used as power sources? External power supply:+24VDC ± 15%, ripple ≤ ± 5%, suitable for 4-20mA output, pulse output, RS485, etc. Internal power supply: 1 set of 3.0V10AH lithium batteries, which can work normally when the battery voltage is between 2.0V and 3.0V. Signal line interface? Basic type: Hausman connector or self-contained three core cable; Explosion proof type: Internal thread M20 * 1.5 Explosion proof grade? ExiaICIT4 or ExdIIBT6 protection level? IP65 or higher (customizable) Measurement medium: liquid dust sensor accuracy: ± 0.5%; ± 1.0% (specific up to 0.2%) repeatability: ± 0.2% of the indicated value Environmental temperature: 0 ℃~+120 ℃ Relative humidity: 5%~95% Explosion proof mark: ibIIBT4 Protection level: IP67

2. Working principle of intelligent turbine flowmeter

3. Working principle of intelligent turbine flowmeter

Intelligent turbine flowmeter uses a turbine for measur

ement. It first converts the flow rate into the rotational speed of the turbine, and then converts the rotational speed into an electrical signal proportional to the flow rate. This type of flowmeter is used to detect instantaneous flow and total cumulative flow, and its output signal is frequency based and easy to digitize. The induction coil and permanent magnet in the picture are fixed together on the housing. When ferromagnetic turbine blades pass through magnets, the magnetic resistance of the magnetic circuit changes, resulting in the generation of induced signals. The signal is amplified and shaped by an amplifier and sent to a counter or frequency meter to display the total accumulated flow rate. Simultaneously, the pulse frequency is converted from frequency to voltage to indicate instantaneous flow rate. The rotational speed of the impeller is proportional to the flow rate, and the rotational speed of the impeller impeller is proportional to the total amount of flow. The output of the turbine flowmeter is a frequency modulated signal, which not only improves the anti-interference ability of the detection circuit, but also simplifies the flow detection system. Its range ratio can reach 10:1, and the accuracy is within ± 0.2%. The time constant of a turbine flowmeter with small inertia and size can reach 0.01 seconds. Intelligent turbine flow meters are widely used in petroleum, organic liquids, inorganic liquids, liquefied gas, natural gas, and low-temperature fluids.

4. How to disassemble the turbine of the intelligent turbine flowmeter

Turbine disassembly operation process of the intelligent turbine flowmeter: First, close the upstream and downstream valves of the flowmeter, cut off the flow of

Intelligent Turbine Flow Meter | How to Disassemble the Turbine in Intelligent Turbine Flow Meter

1. Technical Parameters of Intelligent Liquid Turbine Flow Meter

2. Working principle of intelligent turbine flowmeter

3. Working principle of intelligent turbine flowmeter

4. How to disassemble the turbine of the intelligent turbine flowmeter

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