Descripción
| 6531-140M Electronic Deadweight Tester Kits E-DWT-H A140M/A14M, 1.4 to 140 MPa, 200 to 20,000 psi |
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| A powerful, complete hydraulic pressure calibration system to cover a wide workload
Fluke Calibration improved the hydraulic pressure calibration process with the introduction of E-DWT-H electronic deadweight tester. E-DWT-H is an electronic calibrator designed to deliver traditional hydraulic deadweight tester performance with digital measurement features and convenience. Some improvements offered by E-DWT-H include:
The E-DWT-H is at home in metrology and calibration labs, on the production floor or in the field. It can operate with a wide selection of test mediums, including Sebacate calibration fluid, mineral oil, water and other liquids. ± 0.02 % of reading total one-year measurement uncertainty rivals the best laboratory deadweight testers. High quality hardware allows easy system fill and prime, pressure generation and precise control up to 200 Mpa (30,000 psi). Premium performance is wrapped up into one compact, lightweight, transportable package. An optional battery/charger pack supports up to eight hours of operation away from line power, and an optional shipping/carrying case with handles and wheels allows for easy transport for field application. |
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| 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. |
| Table shows 6531 and 6532 0.02 % of reading coverage. From zero to the minimum pressure listed, accuracy is 0.02 % of the minimum pressure. | |||
| Kit Model | E-DWT-H Configuration | 0.02 % reading accuracy from/to | |
| MPa | Psi | ||
| 6531-7M | E-DWT-H A7M | 0.7 to 7 MPa | 100 to 1,000 psi |
| 6531-14M | E-DWT-H A14M | 1.4 to 14 MPa | 200 to 2,000 psi |
| 6531-20M | E-DWT-H A20M | 2 to 20 MPa | 300 to 3,000 psi |
| 6531-40M | E-DWT-H A40M | 4 to 40 MPa | 600 to 6,000 psi |
| 6531-70M | E-DWT-H A70M | 7 to 70 MPa | 1,000 to 10,000 psi |
| 6531-140M | E-DWT-H A140M | 14 to 140 MPa | 2,000 to 20,000 psi |
| 6531-200M | E-DWT-H A200M | 20 to 200 MPa | 3,000 to 30,000 psi |
| 6532-70M | E-DWT-H A70M/A7M | 0.7 to 70 MPa | 100 to 10,000 psi |
| 6532-140M | E-DWT-H A140M/A14M | 1.4 to 140 MPa | 200 to 20,000 psi |
| 6532-200M | E-DWT-H A200M/A20M | 2 to 200 MPa | 300 to 30,000 psi |
Manufacturer Specs
| General | |
| Power requirements | To RPM4-E-DWT: 12 V dc 1.2 A To ac to dc power supply: 100 V ac to 240 V ac, 50/60 Hz |
| Operating temperature range | 10 °C to 40 °C (50 °F to 104 °F) |
| Storage temperature range | -20 °C to 70 °C (-4 °F to 158 °F) (must be above freezing point and below boiling point of test medium) |
| Relative operating humidity | 0 % to 70 % |
| Relative storage humidity | 0 % to 100 % |
| Weight | E-DWT with 1 Q-RPT: 12 kg (26 lb) approximate E-DWT with 2 Q-RPTs: 14 kg (30 lb) approximate |
| Dimensions | E-DWT footprint: 41.4 cm W x 37.1 cm D (16.3 in x 14.6 in) E-DWT height: 26.9 cm (10.6 in), 33.6 cm (13.2 in) to max variable volume handle height |
| Pressure range | Up to 200 MPa (30k psi), depending on configuration |
| Operating medium | All 6531 and 6532 E-DWT Kits are shipped dry, standard preparation. Can be filled with di-ethyl-hexyl sebacate, silicon oils, propylene glycol, fully fluorinated liquids, partially fluorinated liquids, isopropyl alcohol and distilled water or mineral oil. |
| Reservoir capacity | 300 cc (18 in 3 ) |
| Variable volume displacement | 3 cc (0.18 in 3 ), 200 MPa (30 000 psi) maximum |
| Filling and priming pump displacement | 3.7 cc (0.23 in 3 ) |
| TEST pressure connection | DH500 female, 200 MPa (30k psi) maximum working pressure. 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. Adapter maximum working pressure is 140 MPa (20k psi). Note: DH500 is a gland and collar type fitting for 6 mm (1/4 in) coned and left hand threaded tubes equivalent to AE F250C, HIP HF4, 9/16-18 UNF, etc. |
| Pressure limits | Maximum working pressure: Range of RPM4-E-DWT monitor’s Hi Q-RPT Maximum priming pump pressure: 700 kPa (100 psi) Maximum working pressure with Lo Q-RPT selected: Range of RPM4-E-DWT monitor’s Lo Q-RPT |
| Communication ports | RS-232 (COM1, COM2) |
| Pressure measurement | |
| Warm up time | 15 minute temperature stabilization recommended from cold power up |
| Normal operating temperature range | 10 °C to 40 °C (50 °F to 104 °F) |
| Resolution | Default: 0.01 % of active range User adjustable to 1 ppm of Q-RPT maximum or 10 ppm of active AutoRange, whichever is larger |
| Precision 1 | ± 0.018 % of reading or 0.0018 % of Q-RPT span, whichever is greater |
| Predicted Stability 2 | One year: ± 0.0075 % of reading Two year: ± 0.015 % of reading |
| Measurement uncertainty 3 | One year: ± 0.02 % of reading or 0.002 % of Q-RPT span, whichever is greater Two year: ± 0.025 % of reading or 0.0025 % of Q-RPT span, whichever is greater |
| 1. Combined linearity, hysteresis, and repeatability. Precision does not include stability or calibration reference uncertainty. 2. Predicted Q-RPT measurement stability limit (k=2) assuming regular use of AutoZero function and short term stability between rezeroing. 3. Maximum deviation of the Q-RPT indication from the true value of applied pressure including precision, predicted stability with rezeroing, temperature effect from 10 ºC to 40 ºC and calibration uncertainty (assumes calibration reference uncertainty of ± 0.005 % of reading, k=2), combined and expanded (k=2) following the ISO “Guide to the Expression of Uncertainty in Measurement”. |
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Tech Specs
Test Equipment General Attributes |
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| ECCN Number | EAR99 |
| Country of Origin | United States |




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