1305D & 1305DH Dead Weight Tester – Ashcroft

The Ashcroft® 1305D and 1305DH portable deadweight testers are primary pressure standards that include a pressure source for generating precise calibration points. 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, rugged field-ready primary standard, the 1305s are certified to yield consistent and accurate results.

Key Features:
  • Accuracy ±0.1% of reading 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

Industrial Market:

  • Test and Measurement
  • Calibration Laboratories


Datasheets & Instruction Manuals


Resources & Tools

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