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      1305D and 1305DH Deadweight…

      1305D and 1305DH Deadweight Tester

      1305D and 1305DH Deadweight Tester

      The Ashcroft® 1305D and 1305DH deadweight testers provide a precise means for generating pressure with high accuracy that can be used as a primary calibration standard. The unit's built-in shuttle valve provides the means to control the rate of pressure increase, while precision adjustment is accomplished with an integral micro vernier displacement valve. An ideal product that offers a rugged field ready primary standard, certified to yield consistent accurate results.

      Key Features:

      • NIST traceable primary pressure standard
      • Includes complete set of weights for pressure generation
      • Dual Range system includes Low and High pressure piston assemblies
      • Portable, includes metal "tool box" for protection and portability
      • Includes tools and adapters to accommodate most calibration requirements


      • Accuracy: ±0.1% of reading
      • Operating pressure: 0 ... 15 to 0 ... 10.000 psi
      • Piston and cylinder material: stainless steel
      • O-ring material:
        Type 1305D: Buna-N
        Type 1305DH: Ethylene Propylene
      • Fluid:
        Type 1305D: SAE 20 weight automotive or machine oil
        Type 1305DH: Phosphate ester or Glycol based hydraulic fluids


      The 1305D and 1305DH deadweight tester provides precision on applications:

      Industrial Market:

      • Test and Measurement
      • Calibration Laboratories

      Certificates & Approvals

      • NIST - traceable certificate incluuded with each instrument