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
Specifications:
- Accuracy: ±0.1% of reading
- Operating pressure: 15 psi to 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