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Fluke 6531, 6532 E-DWT Electronic Deadweight Tester Kits


Key Features:

  • No weights to load and unload, transport or send out for calibration
  • Provides real-time pressure indication with no need to know and correct for local gravity or ambient temperature
  • No piston-cylinder changes
  • No significant sensitivity to level or vibration

For detailed information : Click Datasheet

Product overview: Fluke 6531, 6532 E-DWT Electronic Deadweight Tester Kits



The E-DWT-H is used in the lab or instrument shop or can be taken into the field for performing in-situ calibrations and tests. This hydraulic pressure calibration system combines a high-performance electronic reference pressure monitor and manually operated pressure generation and control hardware in a single, compact and rugged package. E-DWT-H offers the ease of use and precision of continuous, real-time electronic pressure measurement with the simple and direct pressure control of high-quality manual pressure hardware. E-DWT is named “electronic deadweight tester” because it is intended as a lightweight and easy-to-use, modern alternative to conventional piston-cylinder and weight-based deadweight testers.


The E-DWT’s electronic reference pressure monitor is a special version of RPM4, designated RPM4-E-DWT. RPM4-E-DWT can be configured with one or two high-precision quartz reference pressure transducers (Q-RPTs) with ranges from 7 MPa (1 000 psi) to 200 MPa (30 000 psi).The RPM4-E-DWT is controlled locally by the operator using its front panel display, keypad, and optional foot pedal or remotely by a computer using ASCII character command strings over its RS-232 interface.RPM4-E-DWT uses an AutoRange feature to automatically select the most appropriate Q-RPT and to optimize the E-DWT-H set up to cover the desired range of operation. When two Q-RPTs are included, a half-turn valve isolates and protects the Lo Q-RPT from high pressure when the Hi Q-RPT is in use. Visual and audible indicators assist the operator in setting the shut-off valve correctly.


The E-DWT-H includes the hardware necessary to fill and prime the system under test and generate and precisely adjust pressure up to 200 MPa (30 000 psi).


The E-DWT-H can be powered with an optional battery/charger pack for use in locations where AC power is not readily available.


High-performance calibration made simple


Fluke Calibration electronic deadweight tester kits feature E-DWT-H configurations combined with the accessories needed for a complete calibration system. Model 6531 options feature E-DWT-H configurations with a single quartz reference pressure transducer (Q-RPT) to offer percent of reading performance from 10 % to 100 % of device full scale. Model 6532 options feature an additional Q-RPT to maximize workload coverage, with percent of reading performance from 1 % to 100 % of device full scale. An included vacuum fill kit allows the E-DWT to be filled with your choice of compatible fluid while eliminating problematic air pockets from the test circuit. Also included is a test station adapter to mount just about any pressure device to be tested without using PTFE tape or wrenches. 6531 and 6532 kits provide all you need to perform high-level hydraulic pressure calibration right out of the box.
  • Pressure ranges available to 200 MPa (30,000 psi)
  • ± 0.02 % of reading total one-year accuracy, 0.025 % for two years
  • Low torque variable volume allows for pressure generation and controls up to 200 MPa (30,000 psi) with minimal physical effort
  • Built-in priming system to fill system with test fluid and purge unwanted air to assure smooth operation
  • Unique test port design eliminates the need for PTFE tape or wrenches. Adapters included for 1/8 in, 1/4 in, 3/8 in, and 1/2 in NPT, 1/8 in, 1/4 in, 3/8 in, and 1/2 in BSP, M20 x 1.5, and M14 x 1.5
  • Compatible with a wide range of liquids, including water. Vacuum fill kit included filling the E-DWT with any compatible test medium
  • AutoTest™, AutoRange, ready/not ready indicator, onboard data capture and storage, overpressure alarm, RS-232 remote interface, and other advanced features to simplify testing, improve safety and prevent calibration errors and damage to equipment
  • Optional foot switch accessory allows hands-free data collection when running AutoTests
  • Rechargeable battery pack and transport case options for field operation