This versatile instrument provides 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.
| Accuracy | ||
| Accuracy1 | ±0.015% of reading (±0.008% optional) | |
| 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. | ||
| Mass and PCU Materials of Construction | ||
| Standard weight material | Series 3 non-magnetic austenitic stainless steel | |
| Weight density | 7.8 g/cm³ | |
| Optional fractional weights | Solution heat treated aluminum | |
| Weight density | 2.7 g/cm³ | |
| Models P3011, P3012, P3013, P3022, P3023, P3025 (V) | Piston material | Ceramic |
| Cylinder material | Martensitic steel | |
| Coefficient of expansion | 11 ppm/°C | |
| Models P3014, P3015, P3025 (P) P3031, P3032 (P & V) | Piston material | Tungsten carbide |
| Cylinder material | Martensitic steel | |
| Coefficient of expansion | 16.5 ppm/°C | |
| Model P3016 | Piston material | Tungsten carbide |
| Cylinder Material | Tungsten carbide | |
| Coefficient of Expansion | 11 ppm/°C | |
| General | ||
| Test port adaptors | 1/8, 1/4, 3/8 and ½ NPT or BSP | |
| Instrument weight | 24 lbs | |
| Instrument size (W x D x H) | 17.5 x 12 x 8.5 | |
| Mass set weight (typical) | 65 lbs | |
| Minimum Standard Weight Increments | ||
| P3012, P3022 Pressure | 1 inH2O, (5 mbar) | |
| P3013, P3023 Pressure | 2 inH2O, (10 mbar) | |
| P3014, P3015, P3025 Pressure | 1 psi, (0.1 bar) | |
| P3016, P3031, P3032 | 1 psi, (0.1 bar) | |
| P3011, P3022, P3023, P3025 Vacuum | 0.2 inHg (10 mbar) | |
| Optional Fractional Weights | ||
| P3014, P3015, P3025 Pressure | 0.1 psi (0.01 bar) | |
| Built-in Hand Pumps | ||
| Pressure mode | Max pressure 300 psi (20 bar) | |
| Vacuum mode | To 90% vacuum | |
| Operating Fluid for Liquid Lubricated Models | ||
| 55-655 | Mineral oil (standard) | |
| Krytox | For oxygen-safe applications (optional) | |
| 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. | |
| Krytox | As operating fluid for liquid lubricated gas operated models. | |
