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What is the fee standard for gas flowmeter calibration? The fee standard for gas flowmeter calibration is determined based on factors such as flowmeter type, pipe diameter, accuracy level, and medium pressure. The specific cost ranges from several hundred yuan to tens of thousands of yuan. 1. Common gas flowmeter calibration fee standards: The following are the calibration fees for common types of gas flowmeters under specific conditions: • Gas turbine flowmeter: diameter DN>100mm, accuracy level 1.0 or below, charged 1950 yuan. Gas vortex flowmeter: with a diameter DN greater than 100mm and an accuracy level of 1.0 or below, the fee is 1950 yuan. Gas vortex flowmeter: - Diameter DN ＜ 100mm, accuracy level 1.0 or below, charge 750 yuan. -Diameter DN>100mm, accuracy level 1.0 or below, charge 1950 yuan. Gas ultrasonic flowmeter (pipeline type): with a diameter DN of (10-300) mm and an accuracy level of 1.0 or below, the fee is 2000 yuan. • Gas laminar flow, target type, differential pressure, and positive displacement flow meters (positive pressure): measurement range (20-400) m ³/h, uncertainty 0.15%, accuracy of mountain bucket, moderate disturbance level 0.5 or below, charging varies according to the medium pressure: - pressure (0.2-1) MPa: 4500 yuan - pressure (1-2) MPa: 7200 yuan - pressure (2-2.5) MPa: 9000 yuan. 2. Calibration fee for residential gas meters. For gas meters used by residents, the calibration fee is relatively low, for example, the charging standard of Deyang Heavy Equipment Testing Co., Ltd. is 20 yuan/unit.
3. Important note: The above charging standards are reference cases, and the actual cost may vary depending on the sending area and testing institution.
And the specific technica
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2. Why is the HKB capacitive target flow meter the preferred choice for gas flow measurement?
The HKB capacitive target flow fiber meter is the preferred choice for gas flow measurement, mainly based on its unique adaptability and technical advantages in complex gas media. The specific reasons are as follows:
1. Resistance to dirt and blockage and low sensitivity to impurities: Gas often contains impurities such as ash, tar, water, etc., which are easy to adhere to instrument components.
. The HKB capacitive target flowmeter adopts a third-generation chip level force sensor, without throttling elements and movable parts, with significant anti impurity and anti dirt characteristics, which can effectively avoid blockage problems. Adapt to low flow rates and complex media: Gas transportation requires control of safe flow rates, typically below 5m/s. This flowmeter directly measures the kinetic energy of the medium through the principle of force induction, with low requirements for the lower limit of flow velocity (up to 0.08m/s), and is not affected by changes in medium density and viscosity. It is suitable for complex gas media such as dust and tar.2. Structural Design and Performance Advantages High Stability and Long Life: The sensor does not come into contact with the medium, has no worn parts, and is equipped with a fully sealed welding process (p