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Manufacture Price High Accuracy Ultra-High Pressure Dead Weight Tester
Model (optional): AR-6T AR-60T AR-250T AR-600T AR-1000T AR-1600T
Measuring range (MPa): (0.04-0.6), (0.1-6), (0.5-25), (1-60), (2-100), (2-160)
Accuracy: 0.005%; 0.01%; 0.02%; 0.05%
Mechanical dead-weight testers or primary standards are the most accurate reference instruments for pressure. Their functional principle is based on the physical principle of pressure = force/area. Mass pieces placed on the top of a piston-cylinder system are the source of a precisely defined force. By producing a certain (counter) pressure inside the pressure balance an equilibrium is achieved: the mass pieces, including the free-running piston of the piston-cylinder system, are floating, which will lead to a very accurate pressure at the test port.
1. Primary standard for defining the pressure scale in a range of up to 160MPa
2. Pressure reference for factory and calibration lab for the testing, adjustment and calibration of pressure measuring instruments.
Piston (the rod and cylinder): tungsten carbide
Weight: Non-magnetic stainless steel (level 0.005, 0.01, 0.02); Carbon steel (level 0.05)
Base: stainless steel
<25MPa: Mixed oil (transformer oil and kerosene oil)
≥25MPa: sebacate oil
l Able to test two gauges synchronously; Applied the fast pressure plug; no oil leakage;
l Abrasive resistance is improved because of the high-tensile and high-hardness wolfram carbide material;
l The piston rod is anti-breakage structure.
l The piston system configures Eddy current displacement sensor, adopts integrated double row LCD digital cursor display (which is firstly invented in China), therefore piston position can be observed clearly at any time.
l With pre-pressure pump, it can fill oil to large capacity gauge, several gauges or long distance calibration pipeline system.
l The tester junction with stop valve and piston stop valve, so it can be used as independent pressure source, when piston stop valve is closed.
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