Fluke – Pressurements P3012-7-P

The Fluke Pressurements P3000 HydraulicDead Weight Tester is the culmination of over 50 years experience in theproduction and design of primary pressure standards. With featuresdesigned to improve accuracy and performance, increase reliability, andsimplify operation, the Fluke Pressurements P3000 hydraulic dead weighttesters can be used to calibrate virtually any pressure sensing device,including transducers, transmitters, gauges, or pressure switches.

Each Fluke Pressurements P3000 hydraulicdead weight tester is supplied with a detachable lid which makes itneat, compact, and easily portable. The weight masses are stored in ahigh-quality case with a self-locking mechanism to protect them duringtransit. All Fluke Pressurements P3000 hydraulic dead weight testers areprovided with a traceable certificate of accuracy, weight mass details,1/8, 1/4, 3/8 and 1/2 NPT or BSP female adaptors, operating fluid (whereapplicable), and spare seals.

Operating Principle

Dead weight testers are the primarystandard for pressure measurement. Utilizing the well provenpiston-gauge system consisting of a vertically mounted, precision lappedpiston and cylinder assembly, accurately calibrated weight masses(Force) are loaded on the piston (Area), which rises freely within itscylinder. These weights balance the upward force created by the pressurewithin the system. The pressure is measured when placed on a correctlyspinning and floating piston. The total pressure measured is thesummation of the weights plus the piston weight carrier assembly.

Instrument Base

There are three basic variations ofhydraulic dead weight tester: single low pressure, single high pressure,and dual piston models. Pressure is generated and controlled by means ofa high quality screw press located on the front of the tester. Abuilt-in hand pump is included as standard for all hydraulic models toprime the system and accommodate large volume requirements.

Piston/Cylinder Assemblies

The piston/cylinder assembly is the heartof each dead weight tester. They are manufactured from materials thatprovide stability, durability, and low thermal coefficients anddistortion.

Weight Masses

Standard weight masses are series 3non-magnetic austenitic stainless steel. Each mass is marked with theserial number of the instrument and the nominal pressure value relativeto the high- or low-pressure piston, when applicable. Optionalfractional weights are stainless steel and/or solution heat treatedaluminum.

Features& Benefits

• Pressureranges to 20,000 psi (1400 bar)

• Accuracybetter than 0.015% of reading. (Increased accuracy option of0.008%.)

• Mineral oiland distilled water models

• Dual pistonmodels allow calibration over a wide range

• Psi, bar,kgf/cm², kPa and MPa ranges available

Features& Benefits

• Pressureranges from Vacuum through 2,000 psi (140 bar)

• Accuracybetter than 0.015% of reading. (Increased accuracy option of0.008%.)

• Gasoperated with optional hand pumps

• Dualvacuum/pressure models available

• Psi, bar,kgf/cm², kPa and MPa ranges available