Deadweight Testers

A6100 Absolute and gauge pressure deadweight tester
The Model 6100 can operate in either gauge or absolute mode over an extremely wide range, 0.5 to 1000 psi, with acccuracies to 0.008% of reading. The Model 6100 instrument base controls the system pressure with inlet and outlet needle valves, and a variable volume adjuster. A test port (with adaptors) is provided for mounting the instrument under test, and a variable speed motor drive system rotates the piston and weights

• 0.5 to 1000 psi absolute and gauge pressure

• Accuracy to 0.008% of reading

• Gas operated

• Compact, all-in-one instrument

• Built-in pressure control system

Model P3000
These versatile instruments provide calibrations from 1-30 inHg vacuum (0.03-1 bar) and 3-500 psi (0.2-35 bar) in one extremely accurate yet easy to use primary standard. A selector valve converts the unit from pressure to vacuum mode without the need to exchange pistons. Units are manufactured to the highest standards with certified accuracies traceable to International Standards Laboratories such as the National Institute of Standards and Technology (NIST). These piston/cylinder type pneumatic standards provide excellent stability, repeatability and accuracy. An optional built-in hand pump can be added for both pressure and vacuum generation.

• 0.015% of reading accuracy standard (0.008% optional)

• 1-30 inHg vacuum (0.03-1 bar vacuum)

• 3-500 psi (0.2-35 bar) pressure

• inH2O and mbar ranges available

• Series 3 non-magnetic stainless steel weights

• Units can be trimmed to local gravity FOC

L Series Hydraulic deadweight testers
The Deadweight Testers are fitted with a ram screw to easily control both rising and falling pressures. The test port design allows quick hand-tight sealing, without the need for teflon tape and wrenches. Distilled water on oil versions are available.

• Pressure ranges up to 10,000 psi

• Accuracy better than 0.1% of reading

• Oil or Water operation

• Quick and easy to use

• Ram screw for fine control

• Stainless steel weight masses
  

Liquid Lubricated Pneumatic Deadweight Testers-Model P3031 & P3032
The Models P3031 and P3032 feature a gas driven oil lubricated piston/cylinder assembly which ensures that the instrument is less susceptible to performance issues due to contamination or the operating environment. These gas driven deadweight testers eliminate the maintenance issues associated with conventional high pressure pneumatic deadweight testers. The supply gas acts directly on the oil lubricated pistons so there is no effect on system accuracy.

• Pressure ranges to 2000 psi (140 bar)

• 0.015% of reading accuracy (0.008% optional)

• Screw press for fine pressure control

• Piston flotation indicator

• Mounted spirit level with adjustable feet

• Series 3 non-magnetic stainless steel weights 

Hydraulic Deadweight Testers (Oil operated)-Model P3100
The P3100 Models are available in single or dual piston formats for increased operating ranges. Units can be supplied in psi, bar, kgf/cm², and MPa. These robust instruments are highly accurate, quick and easy to use. Units feature a built-in priming pump for large volume applications, piston flotation indicators and a high quality screw press for fine pressure control.

• Pressure ranges to 60,000 psi (4000 bar)

• 0.015% of reading accuracy standard (0.008% optional)

• Single or dual piston formats

• Built-in hand pumps standard

• Mounted spirit level with adjustable feet

• Units can be trimmed to local gravity FOC

Hydraulic Deadweight Testers (distilled water operated)-Model P3200
The P3200 Models are available in single or dual piston formats for increased operating ranges. Units can be supplied in psi, bar, kgf/cm², and MPa. These robust instruments are highly accurate, quick and easy to use. Units feature a built-in priming pump for large volume applications, piston flotation indicators and a high quality screw press for fine pressure control

• Pressure ranges to 10,000 psi (700 bar)

• 0.015% of reading accuracy standard (0.008% optional)

• Single or dual piston formats

• Built-in hand pumps standard

• Mounted spirit level with adjustable feet

• Units can be trimmed to local gravity FOC

Pressure Standards - P7000
The P7000 Series has been designed for pressure measurements of the highest level of accuracy. The wide range of options ensures maximum flexibility and application. The P7000 Series can be fitted with an additional triangle base and adaptors to mount the PCU to be calibrated. This eliminates many of the problems associated with connecting two deadweight testers such as: potential leaks, contamination of the reference standard, trapped air and fluid head errors, interconnection problems and relative height measurement. A wide range of both makes and models of deadweight testers´ PCU´s can be mounted.

• Pressure ranges to 20,000 psi

• Accuracy better than 0.005% of reading

• Oil, water or gas operation

• Integrated hardware and software systems

• Dual based deadweight tester calibrating option

PressCal
PressCal is a menu driven software program for pressure calculation and certificate generation using a Deadweight Tester as the pressure source. This software has been developed as a flexible working tool to make calibrations quicker, easier and more accurate. PressCal allows users to apply all necessary corrections (Local Gravity, Pressure Head, Temperature, etc.) to enhance the performance of the Deadweight Tester. Calibration details are then stored and/or automatically inserted into a calibration certificate.

• Menu driven, easy to use software

• Maintain multiple Deadweight Tester files

• Pressure equivalent calculations with all corrections applied

• Automatic generation of calibration certificates

• Pre-loaded calibration data

• Twelve pressure units

• Windows 95 or higher running on a 486 PC (minimum)