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Deadweight testers provide an easy way for checking accuracy of pressure gauges and transfer standards.
The P3000 Series is the culmination of over 50 years of experience in the production and design of high performance pressure standards. With features designed to improve accuracy and performance, increase reliability and simplify operation these deadweight testers can be used to calibrate virtually any pressure sensing device, including transducers, transmitters, gauges or pressure switches.
Deadweight testers are the high performance pressure standards for pressure measurements. Utilizing the well proven piston-gauge system consisting of a vertically mounted, precision lapped piston and cylinder assembly, accurately calibrated weight masses (Force) are loaded on the piston (Area), which rises freely within its cylinder. These weights balance the upward force created by the pressure within the system. The pressure is measured when placed on a correctly spinning and floating piston. The total pressure measured is the summation of the weights plus the piston weight carrier assembly.
Accuracy better than .015 % of reading.
Each instrument is supplied with a detachable lid that makes it neat, compact and easily portable. The weight masses are stored in a high-quality case with a self-locking mechanism to protect them during transit.
All units are provided with a traceable certificate of accuracy, weight mass details, 1/8 inch, 1/4 inch, 3/8 inch and 1/2 inch NPT or BSP female adaptors, operating fluid (where applicable) and spare seals.
The piston/cylinder assemblies are manufactured to the very highest standards with certified accuracies trace-able to international standards laboratories such as the National Institute of Standards and Technology (NIST).
Piston flotation indicator
High quality needle valves provide optimum control
Mounted spirit level and adjustable feet
Test station design with O-rings eliminates the need for PTFE tape or wrenches
Rugged case with springloaded latches for hood
Sturdy weight box with hinged lid and side handles for easy transport