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- Page 1 OFITE HTHP Viscometer Part No. 130-77 Instruction Manual Updated 8/22/2019 Ver. 7 OFI Testing Equipment, Inc. 11302 Steeplecrest Dr. · Houston, Texas · 77065 · U.S.A. Tele: 832.320.7300 · Fax: 713.880.9886 · www.ofite.com Copyright OFITE 2015 ©...
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Page 2: Table Of Contents
Reinstalling Software ..............50 Minimum Required Pressures ...........51 Conversion Charts ..............52 Test Cell Assembly ..............53 Test Cell Assembly - Exploded ..........54 Warranty and Return Policy ............55 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 3: Intro
Your HTHP Viscometer has been shipped with everything you need to begin testing. It includes a computer with all necessary software already installed. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 4: Components
Transformer, 230 Volt to 115 Volt (For #130-77-230 only) #132-80 Calibration Fluid, 100 cP, 16 oz, Certified, Qty: 5 #152-37 AC Power Cord, 3-Conductor #171-84-03 Strap Wrench #900-1908 Desktop Computer OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 5 O-ring for Cell Assembly, Viton, Qty: 24 #130-77-5 O-ring for Pressure Ports, Nitril, Qty: 36 #130-77-6 O-ring for Outside Cell Assembly, Viton, Qty: 12 #130-77-91 Angular Contact Bearing, Qty: 8 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 6: Specifications
RPM) 1.7023 <a> Lower viscosities can be measured by the HTHP Viscometer, however one must take into account the effect of bearing drag, Taylor vortices, zero offset, etc. when looking at the expected accuracy of the reading <b> For practical purposes the minimum viscosity is limited to 0.5 cP due to Taylor Vortices <c>... -
Page 7: Setup
Shear Stress”. To check if a signal is being transmitted from the unit, simply observe if the value displayed in the “Temperature” field corresponds to room temperature. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 8: Viscometer
18 for calibrating the unit and page 47 for zeroing the compass. Transducer Housing Test Cell Tower Pressure Release Data Acquisition Valve Cable Serial Communication Viewing Ports (Oil Level) Cable OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 9: Control Panel
In this case, open the regulator slightly to increase the air supply to the pump and increase the pressure added to the cell in each pump cycle. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 10: Operation
The easiest way to hold the rotor is to insert two fingers inside and apply pressure outward. Do not let it drop. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 11 If you feel resistance while screwing in the cell, stop immediately and slowly unscrew it. Never force the cell to tighten. Make sure the threads are lubricated with high-temperature thread lubricant (#165-44). OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 12 The entire cell assembly is very heavy. Be very careful when removing it from the preparation stand. Use both hands to avoid dropping it. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 13 8.5" (22 cm). If it is not, adjust the arm of the transducer housing to raise or lower it to the correct position. 8.5" OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 14 27. Check the “Raw Signal” on the “Calibrate Shear Stress” screen. The value should be 150 to 300. See page 18 for instructions. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 15: Software Start
RP 10B. “Mud” - This button performs a standard mud test based on API Specifications for analysis model RP 13D. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 16 If you choose to “Override”, the time remaining in the conditioning cycle will resume at the point where the test was paused. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 17 “Enable” - Place a check in this box to enable temperature control. If the value in the “Temp” field is higher than the sample temperature, the heaters will engage to heat the sample. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 18 The drop-down box next to the “Shear Stress” field changes the units of the Shear Stress variable. The units can be set to: Dyne/cm , lb/100ft , Pa., Dial Reading, lb/ft OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 19: Calibration
4. Notice the “Shear Stress Raw” reading, it should display a value of 150 to 300. If the signal reading does not fall within this range, the unit must be zeroed for calibration. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 20 9. When the calibration is complete, check the r^2C value to make sure it is greater than .9990. If it is, click the “OK” button and enter a title for the calibration. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 21 For linear scales, the r^2 and r^2C values will be the same. If r^2C does not read greater than 0.9990 after multiple calibration tests, the unit will require servicing. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 22 “Ref Viscosity” - the viscosity of the sample as calculated by the software “Ref Shear Stress” - the shear stress as calculated by the software OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 23: Fluid Manager
4. Once you have entered all the batches, click “OK” to close the Fluid Manager and return to the Calibration screen. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 24: Software
A higher number will stop faster, but will provide less accurate results. 3 RPM is recommended. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 25 (see page 27), this option will perform a gel test after the forward portion of the sweep and after the backward portion. “Data Archive Directory” - This field specifies the directory to store archived data. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 26 “Temp is Stable Within Threshold” - If this option is selected, the software will stop waiting on the setpoint only when the temperature has stabilized within the threshold. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 27: Save Rate Settings
“Shear Stress” - measured shear stress “Shear Stress Tare” - change in measured shear stress “Pressure” - measured pressure “Pressure SP” - pressure setpoint OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 28: Test Builder
“Heat RPM” - the rotational speed during the heating period c. “Temp” - the temperature setpoint. Enter any letter in this field to indicate “Ambient”. Available Tests Records Test Detail OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 29 “Hystoresis” - If this box is checked, each sweep will be performed forward and backwards. “Stir Parameters” - These parameters only apply if the test includes a gel time. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 30 Cursor” button moves the cursor to the center of the graph. Click and drag the cursor across the graph to see more detailed information. Refer to the “Test Detail” field below the graph for more information. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 31: Select Analysis Outputs
To remove a data point from the chart, simply uncheck the box next to it. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 32: Saved Test Data
“Analyzed Data” tab shows the results of the calculations based on the Analysis Model. The “Test Setup” tab shows the parameters of the test. Raw Data OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 33 “Experiment Explorer” - Click this button to choose another set of test data to review. “OK” - Click this button to return to the main screen. Analyzed Data Test Setup OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 34: Calibration History
6. When viewing a calibration, you can click the “Make this Cal Active” button to activate the calibration and apply it subsequent test data. Calibration History Explorer Calibration History OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 35: Import/Export
7. Click the “Import” button. The new tests will appear in the list in the upper left-hand corner of the Main Screen. Export Import OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 36: Starting A Test
3. Click the “Start Test” button. 4. Enter a comment in the resulting dialog box. Comments are optional, but can be used later to identify the test results. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 37: Maintenance
Also, check the rotor bearing for any residue. If any is present, clean the parts thoroughly, preferably with a small ultrasonic cleaner. Select a cleaning solution based on the test fluid. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 38: Disassembly
7. Place all of these components into a sonic bath until clean. Be sure to keep the magnets separate from the other components to avoid damage. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 39: Rotor
The drive magnet should be cleaned separately. Be sure to keep the magnet separate from the other components to avoid damage. Rotor Magnet Magnet Holder Rotor Bushing Magnet Holder Magnet OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 40 Using a small punch, press the rotor bearing out of the middle of the rotor. b. Thoroughly clean or replace the rotor bearing. c. Use a brush to clean the small bore of the rotor. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 41: Cell Top
The torsion assembly may have to be disassembled in order to completely clean out caked solids on the spring assembly. Remember to calibrate after re-installing the assembly. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 42: Coupling
4. Rinse the coupling and use an air jet to dry it. Baffle Sample Port Pressure Inlet Pressure Outlet Stainless Steel Ball OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 43: Remove/Install
Then use alcohol to remove any metal shavings. 7. Reassemble the rotor. Pivot Bearing Bearing Installer Bearing Pivot Thermowell OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 44: Pivot Bushing
If it is not all the way down, the uplifted rotor will push against the bob when the test cell is assembled, preventing proper rotation of the bob. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 45: Rotor Bushing
This will lock the drive magnet into position. Rotor Bushing Set Screw Magnet Holder Magnet OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 46: Torsion Assembly
6. Place all of these components into a sonic bath until clean. Pivot Cap (#130-77-46) Torque Magnet Assembly (#130-77-15) Zeroing Sleeve (#130-77-48) Pivot Guide (#130-77-45) Spring Cage (#130-77-47) Groove Torsion Spring Assembly (#130-77-080) Torsion Assembly OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 47 Set the torsion assembly on top of the coupling. 5. Secure the torsion assembly with the two screws. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 48: Appendix
8000. Simply turn the magnet back the other way until the value is back on target. 8. Tighten the set screw to lock the torsion magnet in place. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 49 ORCADA Port DAQ Port ® Compass Port 11. On the PC, open the C100 software. 12. Select “Auto-Detect Serial Port” and click “Connect”. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 50 16. Return the cap to the zero position and lock it in place by tightening the locking screws. 17. Be sure to switch the serial cable from the compass port back to the ORCADA port. ® OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 51: Reinstalling Software
2. Double click on “Setup.exe”. (The program is self-installing). 3. Follow the instructions to install the program. 4. Once complete, copy the icon to the desktop if desired. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 52: Minimum Required Pressures
146.7 – 179.6 1,380 356 – 395 180.1 – 201.8 2,070 396 – 445 202.4 – 229.6 3,450 446 – 500 230.2 – 260.2 5,520 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 53: Conversion Charts
4.789 4.789 478.93 478.93 100 ft Rotation Conversion or 1⁄s 1.70 3.40 5.11 10.21 17.02 34.05 51.07 102.14 170.23 340.46 510.69 1,021.38 1,000 1,702.30 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 54: Test Cell Assembly
Baffle (#130-77-41) Bob Shaft (#130-77-43) Vee Jewel (#130-77-1) Rotor (#130-77-38) Bob (#130-77-39) Magnet Holder (#130-77-40) Drive Magnet (#130-77-28) Rotor Bushing (#130-77-20) Test Cell (#130-77-33) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 55: Test Cell Assembly - Exploded
Bob (#130-77-39) Drive Magnet (#130-77-28) Magnet Holder (#130-77-40) Rotor Bushing (#130-77-20) O-ring (#130-77-4) Lower Backup Pivot (#130-77-12) Ring (#130-77-23) (Not Shown) Test Cell (#130-77-33) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 56: Warranty And Return Policy
In the event that OFITE is requested to provide customized research and development for the buyer, OFITE shall use its best efforts but makes no guarantees to the buyer that any products will be provided. OFITE makes no other warranties or guarantees to the buyer, either express or implied, and the warranties...
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