dead weight tester pressure gauge calibration
Description dead weight tester pressure gauge calibration
The Piston Dead Weight Tester for pressure calibration serves as a standard calibration apparatus employing a piston cylinder mechanism where a load is applied to establish equilibrium with the pressure underneath the piston. These dead weight testers are classified as primary standards, signifying that the pressure readings derived from a dead weight tester are defined based on fundamental quantities such as length, mass, and time.
Primarily utilized in calibration laboratories, dead weight testers play a crucial role in calibrating pressure transfer standards, including electronic pressure measuring devices. By providing a reference pressure that is traceable to fundamental physical quantities, dead weight testers ensure the accuracy and reliability of pressure measurements across various applications.
Detailed Images dead weight tester pressure gauge calibration
Specification dead weight tester pressure gauge calibration
| Item | | YS6 | YS60 | YS250 | YS600 |
| Range | MPa | 0.04-0.6 | 0.1-6 | 0.5-25 | 1-60 |
| Up limit of measurement | MPa | 0.6 | 6 | 25 | 60 |
| Down limit of measurement | MPa | 0.04 | 0.1 | 0.5 | 1 |
| Piston nominal area | cm² | 1 | 0.5 | 0.1 | 0.05 |
| Chassis and piston | Nominal mass kg | 0.4 | 0.5 | 0.5 | 0.5 |
| Generatedpressure MPa | 0.04 | 0.1 | 0.5 | 1 |
| Special weight | Nominal mass kg | 0.1;0.5 | 0.5;2.5 | 0.5;2.5 | 0.5;2.5 |
| Generatedpressure MPa | 0.01;0.05 | 0.1;0.5 | 0.5;2.5 | 1;5 |
| Number | 6;10 | 4;11 | 4;9 | 4;11 |
| Both ends of the lock nut | | M20×1.5 | M20×1.5 | M20×1.5 | M20×1.5 |
| Weight | kg | 35 | 60 | 55 | 90 |
| Working liquid | 25#Transformer oil and aviation kerosene mixed (4.39:1).20 ℃ Kinematic viscosity 9 ~ 12 centistokes,
The acid value of less than 0.05 mg KOH/ G | sebacate 20 ℃ kinematic viscosity 20-25 centistokes, acid value is not greater than 0.05 mg KOH/ G |
Advantages dead weight tester pressure gauge calibration
Feature china dead weight tester pressure gauge calibration
1. The piston and cylinder are made of high strength, high stiffness, and low temperature coefficient of linear expansion of the carbide grinding tungsten carbide material , with a wide range of ambient temperature , stable performance 20 ± 5 ℃.
2. The load center of gravity low, weight by Cradle applied directly to the piston, the piston smooth operation, the pressure fluctuation is extremely small, accurate indication.
3. When pressure more than 25MPa ,the medium uses a small viscosity isooctyl sebacate, thus ensuring a very high sensitivity.
4. The weights used are all non-magnetic stainless steel material.
5.The piston displacement sensor used to monitor the working position, the piston up and down stroke of ±1.5mm, instrument display is sensitive, smart, and accurate.
6. Wide range, at the lower 1MPa, the basic error of ± 0.02% or ± 0.05%, a KY100 type manometer, capable of reaching the upper limit of the current domestic 6,60,100MPa three measuring manometer.
7. pressure regulator easy , even at 250MPa pressure could ease.
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