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PR Automatic Dead Weight Tester
High-accuracy ceramic & carbide piston
Pneumatic automatic weight loading
Minimal weight combinations
One-button pressure generation
Fast stabilization, high robustness
Real-time system parameter monitoring
The PR Automatic Dead Weight Tester is a fully automated primary pressure standard designed for high-precision calibration tasks in metrology laboratories and industrial environments.
The piston assembly combines high-elastic modulus tempered ceramics and tungsten carbide, significantly reducing deformation under high pressure and ensuring excellent long-term accuracy. An intelligent binary and equal-mass weight system minimizes the number of required weights while maintaining fine pressure resolution.
A pneumatic manipulator enables fast and stable automatic loading and unloading of weights without electromagnetic interference, achieving pressure point switching within 3 seconds. Pressurization, holding, and pressure release are fully automated via single-button operation.
The system continuously monitors piston position, temperature, and rotation speed, while compensating for temperature, air buoyancy, and level differences. Synchronous, wear-free weight rotation and advanced control algorithms ensure short stabilization times, high robustness, and sustained metrological reliability.
Please refer other dimensions in datasheet
