Dead Weight Testers

  • dead weight tester-
dead weight tester-

Dead Weight Tester-CV series

Working Principle:
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 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 60MPa.
2. Pressure reference for factory and calibration lab for the testing, adjustment and calibration of pressure measuring instruments.
Model (optional):  CV-6T   CV-60T   CV-250T   CV-600T      
Measuring range (MPa): (0.04-0.6), (0.1-6), (0.5-25), (1-60)(P.S.10~600bar), or user defined
Accuracy: 0.02%; 0.05% of Readings
Piston system (the rod and cylinder):
tungsten carbide
Weight (Masses): Non-magnetic stainless steel (0.02); 
Carbon steel (0.05)
Base: stainless steel
Working medium:
<25 MPa : Mixed oil (transformer oil and kerosene oil)
≥25 MPa : sebacate oil
Gravity: user’s local gravity

  • Able to test two gauges synchronously; Applied the fast pressure plug; no oil leakage;
  • The piston rod is anti-breakage structure.
  • PCU is made of Tungsten carbide make the accuracy improved a lot.
 Operating manual for deadweight tester-CV series

Send your message to us:


Telephone: +86-29-89250364
Fax: +86-29-89250364
Company: Shaanxi Creat Wit Technology Co.,Ltd
Address: No.80 Gaoxin Road,Hi-Tech Zone,Xian,Shaanxi,China
Zip/Post Code: 710065
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