Descripción
| P3860-MPA High Pressure Deadweight Tester Pressure Range 4 to 400 MPa |
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| The Pressurements P3800 Series High Pressure Hydraulic Deadweight Testers are the culmination of over 50 years of experience in the production and design of high performance pressure standards. With features and options designed to improve accuracy, increase reliability, and simplify operation, the P3800 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. Each instrument is supplied with a detachable lid which makes it neat, compact and easily portable. The weight masses are stored in a high-quality case with a self-locking mechanism to protect them during transit. All units are provided with a traceable certificate of accuracy, weight mass details, 1/8 inch, 1/4 inch, 3/8 inch and 1/2 inch NPT or BSP female adapters, operating fluid (where applicable) and spare seals. The piston/cylinder assemblies are manufactured to the very highest standards with certified accuracies traceable to international standards laboratories such as the National Institute of Standards and Technology (NIST). |
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| Instrument base The instrument base includes all items required for operation. A high quality hand pump is coupled to a 7 to 1 intensifier, allowing the operator to easily generate high pressure in the system. An oil reservoir is included so the pump to be re-charged when calibrating large volume devices. A test station is provided for connecting the device under test to the P3800 Series. Adjustable feet and the level vial allow the operator to insure the instrument is level to achieve the ultimate performance. A piston float reference allows the operator to determine when the piston is in the ideal, “mid float” position. |
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| Piston/cylinder The piston/cylinder is the “heart” of the deadweight tester. P3800 Series pistons are manufactured from tungsten carbide, which provides excellent long term stability, durability, and extremely low coefficients for temperature and pressure. |
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| Weight sets Standard weight masses are series 3 non-magnetic stainless steel. Each mass is marked with the serial number of the instrument and the nominal pressure value. Select either PSI, bar kgf/cm2 or MPa pressure units. Presscal software can be used to support additional pressure units. |
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| Gravity correction Gravity varies significantly with geographical locations. Each instrument can be calibrated to local gravity a no additional cost. If unspecified, instruments are calibrated to standard gravity at 980.665 cm/s2. |
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Options and accessories
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Manufacturer Specs
| Pressure ranges | |
| P3830 | 500 to 30,000 psi, or 40 to 2,000 bar, or 4 to 200 MPa, or 40 to 2000 kgf/cm2 |
| P3840 | 500 to 40,000 psi, or 40 to 2,600 bar, or 4 to 260 MPa, or 40 to 2600 kgf/cm2 |
| P3860 | 500 to 60,000 psi or 40 to 4,000 bar or 4 to 400 MPa or 40 to 4000 kgf/cm2 |
| Accuracy | |
| Accuracy* | 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 |
| General | |
| Test port adaptors | 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 | Nitrile |
| Operating Fluid | Dioctyl Sebacate (DOS), our reference 55-600 |
| Options | |
| 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. |
Tech Specs
Test Equipment General Attributes |
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| ECCN Number | EAR99 |
| Country of Origin | United States |
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