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Supply of Electronic Dead Weight Tester
Reference: SDG0383P16/07 3/7/2016, Location: Asia
Category: Calibrators, Electronic, Pneumatic
Scope of Work
The company bids for the supply of Qty:02 Nos, electronic dead weight tester.
Technical Specifications of Electronic Dead Weight Tester
The Electronic Dead Weight Tester for measuring pressure and calibration of broad range of pressure measuring instruments including analog gauges, transducers, process calibrators, pressure sensors and transmitters etc. The unit should be a complete hydraulic calibration system that combines the real time precision electronic pressure measurement system with high quality operator controlled pressure generator. The Electronic Dead Weight Tester calibration should not be influenced by the gravitational correction, ambient temperature variation and leveling.
The unit should have following minimum specifications:
1. Pressure Range: 1,000 to 10,000 psig.
The system should be in one compact unit. The pressure generation and measurements should be done in a same compact unit.
2. Uncertainty: 0.02% reading from 10% to 100%
3. Precision: 0.01% of readings
4. Stability: 0.0075% of readings
5. Accuracy: +/- 0.01% of reading or better
6. Operating Medium: Sebacate oil / Distilled water
7. Pressure measurement system: High resolution quartz reference pressure transducer
8. Unit of Measure: Directly display of measured pressure in 10 standard unit of Pressure (Psi / ksc / kPa /mPa / Bar / mBar and other standard unit)
9. Resolution: User adjustable to 1 ppm
10. Communication port: The unit should have communication port for data transfer to computer.
11. Material of construction: 300 series Stainless Steel or better.
12. The unit should be automated zeroing when vented.
13. The unit should be automated fluid head correction.
14. The unit should have Ready/ Not ready indication based on user definable pressure stability settings.
15. Warm Up time-Maximum 15min.
16. Auto range function sets the following automatically:
a. Minimum and Maximum pressure range
b. Measurement Mode
c. Display resolution
d. Over pressure alarms upper limit
17. Following Features should be available:
i) No weight required
ii) Auto correction for local gravity & ambient temperature
iii) No need to change piston cylinder
iv) Not sensitive to level or vibration
v) Able to set and read any pressure value
vi) Able to operate in any pressure units of measure
vii) Auto test calibration routines & data acquisition on board
viii) Interface-able with a PC or Laptop to allow for automated data acquisition
ix) Easily recalibrated without cross floating
x) Automated zeroing
xi) Automated fluid head correction
xii) Re-settable High/Low pressure lock
xiii) User definable pressure stability settings
xiv) Auto range function: Minimum & maximum pressure range, Measurement Mode, Display Resolution & Over pressure alarm (upper limit)
18. Pressure value FREEZE function
19. Re-settable high/ low pressure lock
20. Deviation from set point
21. Calibration Certificate- NABL (or any other recognized calibration agency) Traceable Calibration Certificate
22. Power requirement: 220 VAC, 50 Hz and 12 V dc, rechargeable battery.
23. Operating Temperature range: 10 deg C to 40 deg C
24. Operating humidity: 0 to 95% RH
25. Weight: Not more than 20 Kg
26. Test port & supply connection: Equivalent to AE250C
27. Accessories:
i) NPT adaptor kit: Adaptors to 1/8,1/4,3/8,1/2 NPTF-1 Set
ii) Liquid fill kit -1 Set
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