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Fluke P3211 Water Hydraulic Deadweight Tester – Single Range
The Fluke P3211 Water Hydraulic Deadweight Tester can be used to calibrate pressure sensing instruments via the creation of hydraulic pressure and the addition of accurately calibrated weight masses. These instruments use water as the medium to create hydraulic pressure, making them suitable for calibrating almost any pressure sensing instrument, including transducers, transmitters, gauges and pressure switches.
The Fluke P3211 Water Hydraulic Deadweight Tester is available in five variations with differing pressure ranges and measurement units, for further information, please see the table below.
| Product Code | Product Name | Pressure Range |
| P3211-BAR | Fluke P3211-BAR Water Hydraulic Deadweight Tester - 35 bar | 1 to 35 bar |
| P3211-KGCM2 | Fluke P3211-KGCM2 Water Hydraulic Deadweight Tester - 35 kgf/cm2 | 1 to 35 kgf/cm2 |
| P3211-PSI | Fluke P3211-PSI Water Hydraulic Deadweight Tester - 500 psi | 10 to 500 psi |
| P3211-KPA | Fluke P3211-KPA Water Hydraulic Deadweight Tester - 3500 kPa | 100 to 3500 kPa |
| P3211-MPA | Fluke P3211-MPA Water Hydraulic Deadweight Tester - 3.5 MPa | 0.1 to 3.5 MPa |
The Fluke P3211 Water Hydraulic Deadweight Tester includes a high-quality screw press and integrated hand pump designed to facilitate the creation of hydraulic pressure. The built-in hand pump can be used to prime the system prior to the creation of pressure and may be used to accommodate large volume requirements, whilst the high-quality screw press is turned in order to create the hydraulic pressure as well as make fine pressure adjustments.
As hydraulic pressure is created the piston will rise in the cylinder; the addition of accurately calibrated weight masses works to counterbalance this upward force. Each of the weight masses includes nominal pressure values relative to high- or low-pressure pistons inscribed on its series 3, non-magnetic, austenitic stainless steel body. The serial number of the instrument is also marked on each weight mass. In order to determine the final pressure, the appropriate nominal values, marked on the weight masses added to the piston, are combined. For a more in-depth explanation of this method and an overview of these deadweight testers, please see the video below.
Measuring Pressure with a Deadweight Tester
Weight masses can be stored in a high-quality case with a self-locking mechanism ensuring that they are kept safe and secure during transit.
As this instrument has been optimised for accuracy, it is also possible to trim weight masses in accordance with the user’s local gravity as well as calibrate the Fluke P3211 Water Hydraulic Deadweight Tester with regard to the user’s local gravity. These alterations work to improve the tester’s standard accuracy from 0.015% to 0.008%. PLEASE NOTE that unless specified, the Fluke P3211 Water Hydraulic Deadweight Tester will be calibrated to standard gravity (980.665cm/s²).
Furthermore, this unit is supplied with a traceable certificate of accuracy and includes a piston and cylinder assembly with certified accuracies traceable to international standards laboratories, such as the National Institute of Standards and Technology (NIST). It has been manufactured in accordance with the highest standards and is designed to provide stability, durability and low thermal coefficients and distortion.
Finally, the Fluke P3211 Water Hydraulic Deadweight Tester has been designed to facilitate quick and easy assembly in a variety of environments and to this end includes a detachable lid for easy transportation. As well as this, the Fluke P3211 Water Hydraulic Deadweight Tester includes adjustable feet and a mounted spirit level and a test-station design with O-rings. This design combined with the inclusion of 1/8 inch, 1/4 inch, 3/8 inch and 1/2 inch NPT or BSP female adaptors removes the need for PTFE tape and/or wrenches when attaching additional instruments.
The Fluke P3211 Water Hydraulic Deadweight Tester – Single Range is a versatile, accurate and easy-to-use pressure calibrator, ideal for a variety of applications.
Fluke P3211 Water Hydraulic Deadweight Tester – Single Range Key Features
- Calibrate pressure sensing instruments via the creation of hydraulic pressure and the addition of accurately calibrated weight masses
- Operates using water to create hydraulic pressure
- Suitable for calibrating transducers, transmitters, gauges and pressure switches
- Available in five variations with differing pressure ranges and measurement units
- High-quality screw press can be used to create and make adjustments to hydraulic pressure
- Integrated hand pump primes the system and accommodates large volume requirements
- With the creation of hydraulic pressure, the piston will rise in the cylinder
- Weight masses added to the piston counterbalance this upward force
- Weight masses are marked with the instrument’s serial number and the nominal pressure values relative to high- and low-pressure pistons
- Appropriate nominal values on each of the weight masses added to the piston are combined to determine the final pressure
- Weight masses are made from series 3, non-magnetic, austenitic, stainless steel
- Weight masses can be stored in a weight box with a self-locking mechanism
- Weight masses can be trimmed in accordance with the user’s local gravity
- The tester can be calibrated in accordance with the user’s local gravity
- Standard accuracy of 0.015% can be improved to 0.008%
- UNLESS SPECIFIED the tester is calibrated to standard gravity (980.665cm/s²)
- Supplied with a traceable certificate of accuracy
- Piston and cylinder includes certified accuracies traceable to international standards laboratories (NIST)
- Assembly includes a floatation indicator
- Assembly is constructed in accordance with the highest standards
- Piston and cylinder assembly provides stability and durability as well as low thermal coefficients and distortion
- Detachable lid
- Adjustable feet
- Mounted spirit level
- Test-station design with O-rings
- Supplied with 1/8 inch, 1/4 inch, 3/8 inch and 1/2 inch NPT or BSP female adaptors
- PTFE tape and/or wrenches are not required to connect additional instruments
- Robust, accurate, versatile, easy-to-use pressure calibrator
What’s Included?
- Your Choice of Fluke P3211 Water Hydraulic Deadweight Tester – Single Range
- Traceable Certificate of Accuracy
- Weight Set
- Detachable Lid
- 1/8 inch, 1/4 inch, 3/8 inch and 1/2 inch NPT or BSP female adaptors
- Operating Fluid (where applicable)
- Spare Seals
Fluke P3211 Water Hydraulic Deadweight Tester – Single Range Technical Specifications
| Accuracy | ±0.015% of reading (±0.008% optional)
*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. |
| 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 |
| Piston material | Tungsten carbide with nickel binder Density- 15.0 g/cm³ |
| Cylinder material | Hardened martensitic steel Tungsten carbide (water above 500 psi, 35 bar) |
| Thermal coefficients of expansion | Oil piston/cylinder 16.5 ppm/°C Water (above 500 psi, 35 bar) 11 ppm/°C |
| General Specifications | |
| Test port adaptors | 1/8, 1/4, 3/8 and 1/2 NPT or BSP |
| Instrument weight | 36 lbs (16 kg) |
| Instrument size | (W x D x H) 17.5 in x 12 in x 8.5 in (440 mm x 300 mm x 215 mm) |
| Mass set weight (typical) | 80 lbs (36 kg) |
| Reservoir volume | 150 cc |
| Screw press displacement | 5.5 cc |
| Pump displacement | 4.7 cc per stroke |
| O-ring seal materials | Buna N as standard, Viton and EPDM available |
| 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) |
| Operating Fluids | Distilled or deionized water |
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Additional Information
| SKU | FLK-P3211 |
|---|---|
| Manufacturer Part Code | 4185357 |
Made to Order item: This item is made-to-order with a lead time once the order is placed. Once an order is placed it cannot be cancelled or returned unless the unit is found to be faulty.
