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Deadweight tester (DWT) is a calibration standard which uses a piston cylinder on which a load is placed to
make an equilibrium with an applied pressure underneath the piston.
Deadweight testers are so called primary standards which means that the pressure measured by a deadweighttester is defined through other quantities; Length, mass and time.
Typically deadweight testers are used in calibration laboratories to calibrate pressure transfer standards like
electronic pressure measuring devices.
YS-6 Deadweight Tester. Pressure Range 5.8 - 87psi. Accuracy: 0.015% or 0.020% of reading.
YS-60 Deadweight Tester. Pressure Range 14.5 - 870 psi. Accuracy: 0.015% or 0.020% of reading.
YS600 Deadweight Tester. Pressure Range 145 - 8700 psi. Accuracy: 0.015% or 0.020% of reading
| Model | YS-6 | YS-60 | YS-250 | YS-600 | |||||
| Measure Range | bar | 0.4-6 | 1-60 | 5-250 | 10-600 | ||||
| Accuracy | % | 0.02 or 0.05 | |||||||
| Nominal Area of Piston | cm2 | 1 | 0.5 | 0.2 | 0.1 | ||||
| Carrier and Piston | Nominal Mass | kg | 0.4 | 0.5 | 1 | 1 | |||
| Produced Pressure | bar | 0.4 | 1 | 5 | 10 | ||||
| Supplied Weights | Nominal Mass | kg | 0.10.5 | 0.52.5 | 15 | 15 | |||
| Produced Pressure | bar | 0.10.5 | 15 | 525 | 1050 | ||||
| Quantity Block | pcs | 610 | 411 | 49 | 411 | ||||
| Pressure Connection | M 20×1.5 | ||||||||
| Working Medium | Transformer Oil (viscosity 9~12 centistokes at 20i), or Medical Castor Oil (aciditymg KOH/g) |
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| Dimensions | mm | 630×382×593 | |||||||
| Weight | kg | 20+5.6 | 26+29.5 | 26+49 | 26+59 | ||||
Typically deadweight testers are used in calibration laboratories to calibrate pressure transfer standards like
electronic pressure measuring devices.
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