Fluke Calibration P3800 Series Hydraulic Deadweight Testers

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The Pressurements P3800 Series High Pressure Hydraulic Deadweight Testers are the culmination of over 50 years experience in the design and manufacture of primary pressure standards. With features and options designed to improve accuracy, increase reliability, and simplify operation, the M3800 Series can be used to calibrate virtually any high pressure sensing device including transducers, transmitters, gauges, pressure switches or other calibrators.

Three models are available, P3830, P3840 and P3860 offering pressure ranges of 30,000, 40,000 and 60,000 psi respectively (2000, 3000 and 4000 bar). All models are available in two accuracy classes, 0.02% or 0.015% of Reading. The Series P3800 offers an accurate and economical approach to calibrating high pressure devices.


  • PressCal software for pressure calculations and certificate generation
  • Conversion weight sets
  • Accredited calibration certificate (ISO/IEC 17025)


  • Pressure ranges to 60,000 psi (4000 bar)
  • Select from two accuracy classes; 0.02% or 0.015% of reading
  • Includes hand pump and intensifier for generating high pressures
  • Tungsten carbide piston and cylinder provides long term stability and durability
  • Mass set can be trimmed to local gravity FOC

Pressure Ranges


500 to 30,000 psi, or 40 to 2,000 bar, or 4 to
200 MPa, or 40 to 2000 kgf/cm2


500 to 40,000 psi, or 40 to 2,600 bar, or 4 to
260 MPa, or 40 to 2600 kgf/cm2



500 to 60,000 psi or 40 to 4,000 bar or 4 to
400 MPa or 40 to 4000 kgf/cm2



Standard accuracy is 0.02% of Reading*. Optional accuracy of 0.015% of Reading is vailable. Calibration certificate with traceability to NIST is provided with each instrument. An optional ISO/IEC 17025 accredited calibration certificate is available.

*Accuracy is based on % of Reading from 10% to 100% of the piston range when used in accordance with the corrections found on the calibration certificate. Below 10%, ± (accuracy class) x 10% of the piston range.

Materials of Construction

Standard weight material

Series 3 non-magnetic, austenitic, stainless steel

Weight density

7.8 g/cm3

Piston Material

Tungsten carbide with nickel binder

Cylinder Material

Tungsten Carbide with cobalt binder

Thermal Coefficient of Expansion

11 ppm/°C


Test port adapters

9/16 – 18 UNF (Autoclave); 3/8 BSP; 1/2 BSP & 3/4 BSP

Instrument Weight

66 lbs. (30 Kg) Instrument Base only

Instrument Size

18 in. X 13.5 in. X 19 in. (455 X 340 X 478 mm)

Reservoir Volume

235 cc (14.3 cu.in.)

Intensifier ratio

7 to 1

Seal Materials


Operating Fluid

Dioctyl Sebacate (DOS), our reference 55-600


Presscal software

Windows based software program that allows users to easily apply all necessary corrections to enhance the deadweight tester performance. Supports additional 12 pressure units (bar, mbar, MPa, kPa, psi, kg/cm2, atm, in H2O, mH2O, mmH2O, inHg, mmHg).

Conversion Weight Sets

For applications that require nominal pressure increments in measurement units different than the main unit, conversion weight sets are available. Available measurement units are: PSI, bar kgf/cm2 or MPa.

Contact Us

“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.


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