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Kaifeng Instrument Static Volumetric Water Flow Calibration System
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Kaifeng Instrument Static Volumetric Water Flow Calibration System

Kaifeng Instrument Co., was set up at 1958, is specialized in flow measurement instrument, has provided hundreds sets of calibration instruments and provers for liquid for customers in China and overseas. The proving and calibration methods includes s…

Product Overviews

Kaifeng Instrument Co., was set up at 1958, is specialized in flow measurement instrument, has provided hundreds sets of calibration instruments and provers for liquid for customers in China and overseas. The proving and calibration methods includes static gravimetric, master meter, static volumetric, volumetric pipe, etc.

Features And Functions


● Customize for each project with most suitable solution

● highly accurate and stable in service

● Allow large flow rate in real-flow calibration

Technical Parameters


1. Verification method: static gravimetric method, master meter, static volumetric method, volume pipe method

2. Verification medium: water, oil

3. Flow range: static gravimetric method: 0.2m3/h~5000 m3/h

    Master meter: 0.2m3/h~8500 m3/h

    Static volumetric method: 0.2m3/h~1530 m3/h

    Volume pipe method: 2 m3/h to 2000 m3/h

4. Caliber range: DN10-DN1000

5. Device uncertainty:

Static mass method: ≤0.05% (k=2);

Standard table method: ≤0.2% (k=2)

Static volume method: ≤0.05% (k=2);

6. The shortest measurement time: 30s

7. Device flow stability: 0.15%

8. Timer: The uncertainty of the timer is better than 1×10-5.

    Crystal oscillator 8 hour frequency stability is better than 1×10-6

9. Verification of flowmeter types: volecity flowmeter (including external clamp, plug-in type), differential pressure flowmeter, mass flowmeter, volumetric flowmeter, etc.

11. Power supply for calibrated meters: DC5V, DC12V, DC24V, AC220V.

Industry Applications

• Laboratory and meteology instutitions
• Pipeline metering terminals 
• Tanker and barge loading facilitites 
• Refineries 
• Petrochemical plants

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