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YH Series Standard Piston Pressure Calibrator
YH series standard piston pressure calibrator is a new generation of piston pressure calibrator that complies with national calibration regulations. Its technical indexes have reached the advanced level of the industry and are widely used in industries such as metrology, power, petrochemicals, metallurgy and national defense. It is an ideal standard pressure device for laboratories.
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iconProduct overview

YH Series Standard Piston Pressure Calibrator

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YH series standard piston pressure calibrator is a new generation of piston pressure calibrator that complies with national calibration regulations. Its technical indexes have reached the advanced level of the industry and are widely used in industries such as metrology, power, petrochemicals, metallurgy and national defense. It is an ideal standard pressure device for laboratories.

iconTechnical index
Product NameVacuum Piston Pressure CalibratorStandard Piston Pressure Calibrator
Pressure Range（－0.1～-0.25）MPa（0.04 ~ 0.6）MPa
（0.1~6）MPa
（－0.1～0.6）MPa（1-60）MPa
（2-100）MPa
（2-100）MPa
Accuracy classclass 0.05, class 0.02class 0.05, class 0.02, class 0.01
Working MediumGasTransformer oil, or mixed oil of transformer oil and kerosene
Piston MaterialTungsten carbide
Weight MaterialCarbon steel, stainless steel
Pressure OutputM20×1.5 Standard quick connector










































Pressure Accessories

YHGD转换接头组  YHGD Converter Connectors Group

低压连接软管接头  Low Pressure Connection Hose Connector

高压连接软管接头  High Pressure Connection Hose Connector

螺纹清理器  Threaded Cleaner

油水隔离器  Oil and Water Isolator

油渣分离/油气过滤器  Oil Residue Separation / Oil and Gas Filter

多用压力表起针器  Multi-purpose Pressure Gauge Needle Lifter

组合套装包  Combination Set Bag

手持背包  Handheld Backpack Bag


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Frequentlyquestions

The verification process can perform data analysis, calculation and automatic identification of excess errors;

Is the hydraulic pressure of the pressure pump unstable or unable to generate pressure normally?
Reasons: 1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. The sealing of the "○" ring of the quick connector is damaged; 4. The air in the system is too much or not completely discharged. Methods of solution: 1. Loosen the fuel tank cap or refuel the fuel tank; 2. Tighten the pipeline joints; 3. Replace the "○" ring (diameter 9 * 2.65); 4. Repeatedly pumping the charging pump allows the air in the system to be discharged with the fuel tank.
The common reasons for unstable hydraulic pressure or inability to generate pressure normally.
1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. Quick connector "○" ring seal damaged; 4. Too much or uncleaned air in the system.
What are the common reasons for empty pressure of pressure pump of manual pressure calibrator?
Reasons: 1. The directional valve does not change direction properly, resulting in air leakage; 2. The positive pressure check valve or negative pressure check valve does not reset after movement, resulting in air pressure phenomenon. Methods of solution: 1. The reversing valve must be reversed in place, and the reversing valve stem cannot be suspended in mid air; 2. Check if the one-way valve seat holes for positive and negative pressure do not meet the requirements; 3. The spring is severely tilted, and the one-way valve core cannot slide freely.
What are the specific advantages of Yuanhuatc's fully automatic pressure calibrator?
Yuanhuatc has high flexibility and adopts advanced analysis algorithms and automatic control technology, which can quickly and accurately complete verification tasks.
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