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P3800 Series
High Pressure Hydraulic Deadweight Tester
Users Manual
PN 3952319
November 2010
© 2010 Fluke Corporation. All rights reserved. Printed in USA. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
MyFlukeStore
1.800.561.8187
www.
.ca
Shop for Fluke products online at:
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Summary of Contents for Fluke P3860-MPA
- Page 1 High Pressure Hydraulic Deadweight Tester Users Manual PN 3952319 November 2010 © 2010 Fluke Corporation. All rights reserved. Printed in USA. Specifications are subject to change without notice. All product names are trademarks of their respective companies. MyFlukeStore 1.800.561.8187 www.
- Page 2 Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.
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Page 3: Table Of Contents
Table of Contents Chapter Title Page 1 General Information ................1-1 Introduction......................1-1 How to Contact Fluke ..................1-1 Safety Information ..................... 1-2 Symbols Used in this Manual ................1-2 Hydraulic Circuit Schematic................1-3 2 Preparation ..................2-1 Location ......................2-1 Fluid Filling ....................... - Page 4 List of Tables Table Title Page 1-1. Symbols........................1-2 MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
- Page 5 Generate System Pressure ..................3-5 3-7. Close Reserve Valve ....................3-6 3-8. 5 Correct Float Position ..................3-7 4-1. Piston/Cylinder Removal ..................4-2 6-1. Pressure Corrections....................6-2 6-2. Nomogram for Finding the Value of..............6-3 MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
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Page 6: General Information
This manual contains operation and routine and preventive maintenance instructions for the Model P3830, P3840, and P3860 High Pressure Hydraulic Deadweight Tester (DWT) manufactured by Fluke. This section of the manual provides general information about the DWT. The P3800 Series of Deadweight Testers (DWT) provides a convenient means of testing high pressure instruments for calibration accuracy. -
Page 7: Safety Information
Table 1-1. Table 1-1. Symbols Symbol Description Earth Ground Important Information: refer to manual Do not dispose of this product as unsorted municipal waste. Go to Fluke’s website for recycling information. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 8: Hydraulic Circuit Schematic
General Information Hydraulic Circuit Schematic Hydraulic Circuit Schematic glf01.eps Figure 1-1. Hydraulic Circuit Schematic MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 9: Preparation
Fully screw in (clockwise) the reservoir valve screw and then unscrew (counter-clockwise) again 4 full turns. The deadweight tester is now ready to receive the Equipment Under Test (EUT). MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 10: Operation
(see Figure 3.1 and 3.2 for methods of sealing). glf02.eps Figure 3-1. Pressure Connection - Method 1 MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 11: Procedure For Removing Trapped Air From System
P3800 Series Users Manual glf03.eps Figure 3-2. Pressure Connection - Method 2 Procedure for Removing Trapped Air from System glf04.bmp Figure 3-3. Remove Trapped Air MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 12: Turn Capstan Fully Clockwise
4. Turn capstan fully in (clockwise), and wait for approximately 15 seconds. 5. Trapped air from the system will appear as bubbles in the reservoir. 6. Repeat the procedure until no more air appears in the reservoir. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 13: Procedure For Priming The Pressure Intensifier
2. Turn capstan in (clockwise) until resistance is felt. This is a result of the pressure required to move the intensifier piston backward in its cylinder, and to lift the measuring piston and weight carrier. 3. Some additional bubbles may appear in the reservoir. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 14: Procedure For Generating System Pressure
LP VALVE (2) CAPSTAN glf07.eps Figure 3-6. Generate System Pressure 1. Close HP valve (1). 2. Open LP valve (2). 3. Turn capstan fully out to prime it with fluid from the reservoir. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 15: Generating Calibration Pressure
Figure 3-8). The areas above and below the mid-float position indicate the upper and lower travel limits of the piston assembly. Before adding or removing weights, it is essential that the weight stack is no longer spinning. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 16: Correct Float Position
ADJUST FLOAT HEIGHT OF PISTON SO THAT THE UNDERSIDE OF THE BOTTOM WEIGHT LINES UP WITH THE MID-FLOAT REFERENCE. UPPER TRAVEL LIMIT MID FLOAT POSITION LOWER TRAVEL LIMIT glf09.eps Figure 3-8. Correct Float Position MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 17: Maintenance
The Piston Nut A contains a bearing assembly, which is held in place by a snap-ring. This should not normally require any maintenance or additional lubrication. 4. Remove Cylinder. 5. The O Ring Seal under the PCU can now be replaced if required. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 18: Cleaning
3. After removal from the solvent, using a NEW tissue, repeat the cleaning procedure above. 4. Place piston carefully on a NEW tissue where it will not be damaged while the cylinder is cleaned. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 19: Replacement
6. Screw Piston Nut B onto Nut A to retain the Piston. 7. Carefully replace Weight Carrier Tube Assembly, ensuring that the central hole in the top locates correctly on the top of the Piston. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 20: Recalibration
DO NOT allow fluid to fall below the recommended level. Do's • DO change the operating fluid at the first sign of contamination. • DO have the Deadweight Tester and Weight Set recalibrated at regular intervals. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... -
Page 21: Pressure Corrections
The reference level is specified on the certificate. Incremental weight Apply temperature pressure correction and gravitational correction ACTUAL CORRECTED INDICATED PRESSURE PRESSURE PRESSURE (ON WEIGHTS) Add indicated carrier pressure glf11.eps Figure 6-1. Pressure Corrections MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:... - Page 22 Tests carried out at locations other than the test stations may require corrections for fluid heights. The pressure exerted by a column of fluid 1” / 25.4 mm high will not exceed 0.036 psi / 0.0025 bar using the recommended fluids. MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
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Page 23: Nomogram For Finding The Value Of
16000 14000 9.82 12000 9.81 10000 9.80 8000 6000 9.79 4000 9.78 2000 9.77 FEET METRES 9.765 glf12.eps Figure 6-2. Nomogram for Finding the Value of "g" from Altitude and Latitude MyFlukeStore 1.800.561.8187 www. Shop for Fluke products online at:...
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