P3112-2
The highly accurate, quick and easy to use oil operated P3100 hydraulic deadweight testers are available in single or dual piston formats for increased operating ranges.
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Operating Fluid
- Mineral oil
- Shell spindle oil 22, our reference 55-655, viscosity 40 cs @ 20°C
Pressure Ranges
- Oil operated
- Ranges to 20,000 psi (1400 bar)
Accuracy
- Accuracy1
- ±0.015% of reading (±0.008% optional)
- Accuracy1
- 1. Accuracy 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.
Weight Increments
- Minimum standard weight increments
- Up to 500 psi (35 bar): 1 psi (0.1 bar) 500 to 5000 psi (35 to 350 bar): 10 psi (1 bar) 5000 to 20,000 psi (350 to 1400 bar): 20 psi (2 bar) Model P3112: 1 psi (0.1 bar)
- Optional fractional weights
- Up to 500 psi (35 bar): 0.1 psi (0.01 bar) 500 to 5000 psi (35 to 350 bar): 1 psi (0.1 bar) 5000 to 20,000 psi (350 to 1400 bar): 2 psi (0.2 bar)
Materials of Construction
- Thermal coefficients of expansion
- Oil piston/cylinder 16.5 ppm/°C Water (above 500 psi, 35 bar) 11 ppm/°C
- Cylinder material
- Hardened martensitic steel Tungsten carbide (water above 500 psi, 35 bar)
- Weight density
- 2.7 g/cm³
- Piston material
- Tungsten carbide with nickel binder Density- 15.0 g/cm³
- Optional fractional weights
- Solution heat treated aluminum
- Standard weight material
- Series 3 non-magnetic austenitic stainless steel
- Weight density
- 7.8 g/cm³
Options
- PressCal software
- Windows-based software program that allows users to easily apply all necessary corrections to enhance the deadweight tester performance. Calibration details are then stored and/or used to automatically create a calibration certificate. PressCal is provided as standard with all 0.008% instruments.
- Fluids
- Instruments can be supplied for use with Skydrol or brake fluids. Due to the aggressive nature of these fluids the standard nitrile seals and the acrylic reservoir tube will be replaced by either Viton or EPDM seals (as applicable) and an aluminum reservoir tube. For these or any other specialty fluid applications, please consult the factory.
General
- Mass set weight (typical)
- 80 lbs (36 kg)
- Test port adaptors
- 1/8, 1/4, 3/8 and ½ NPT or BSP
- O-ring seal materials
- Buna N as standard, Viton and EPDM available
- Reservoir volume
- 150 cc
- Screw press displacement
- 5.5 cc
- Instrument size (W x D x H)
- 17.5 x 12 x 8.5
- Instrument weight
- 36 lbs (16 kg)
- Pump displacement
- 4.7 cc per stroke