Precision Pressure Gauge Calibrator

Precision Pressure Gauge Calibrator

Product Code : EL-FMLE-10678

QUICK ANSWER: The Precision Pressure Gauge Calibrator is a portable, self-contained deadweight tester used as the basic primary standard for accurately calibrating pressure gauges, pressure transducers and similar instruments, either in lecture theatre demonstrations or as a master calibrator for the laboratory. It combines a low- and a high-pressure range using dual pistons of different effective area, allowing gauges to be calibrated over a 1-1,200 bar range to an accuracy of ±0.025% of reading, with a minimum standard weight increment of 0.05 bar; pressure is produced by a capstan-operated hydraulic ram (using oil as the hydraulic fluid) balanced by deadweight acting on a piston of known area, applying the direct-measurement principle that pressure is proportional to the mass added (p=F/A). The unit includes a spirit level and adjustable feet for levelling, a flotation indicator to show correct floating of the piston, laboratory calibration certificates for each piston plus a traceable certificate of overall accuracy, and is supplied complete with the necessary weights, a fitted carrying case, a range of BSP and NPT female adaptors, spare seals and oil.
Dead weight testers are the basic primary standard used worldwide for the accurate calibration of pressure gauges, pressure transducers, etc., and this equipment is self-contained and portable, so it may be used in lecture theatre demonstrations or as a master calibrator for the laboratory. The instrument combines a low and high-pressure range provided by two pistons of different effective area, and calibration is accurate to within ±0.025% of reading. The pressure in the system is produced by means of a capstan-operated hydraulic ram, balanced by dead weight acting upon a piston of known area; oil is used as the hydraulic fluid, and the pressure developed is applied to the gauge that is to be calibrated. A spirit level and adjustable feet are provided to enable the operator to level the instrument, and a flotation indicator mounted on the top plate removes the guesswork when floating the piston. A laboratory calibration certificate is supplied for each piston together with a traceable certificate of overall accuracy, and the instrument is supplied complete with the necessary weights, a fitted carrying case, a range of BSP and NPT female adaptors, spare seals and a quantity of oil.

FEATURES:
The direct measurement of pressure (p=F/A)
Masses added are proportional to the target pressure
Calibration of pressure gauges by deadweight method to an accuracy better than 0.025% of reading
Dual pistons enable calibration over a wide range of pressures
 
SPECIFICATIONS:
Portable, self-contained deadweight precision pressure gauge calibrator
Calibration gauges with 1-1,200 bar range to ±0.025% of reading
Minimum standard weight increment is 0.05 bar
Supplied complete with laboratory calibration certificate
Includes carrying case and weights
 
DIMENSIONS AND WEIGHT:
L x W x H: 600 x 400 x 400 mm
Weight: 65kg

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Last Updated: September 2026

Related Products: Dead Weight Pressure Gauge Calibrator, Fluid Statics and Manometry, Hydrostatic Pressure Apparatus, Pascal Apparatus

   

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