OfiTE 120-90 Скачать руководство пользователя страница 29 | Manualshive

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OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com

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d. Install a new contact arm and make adjustments as necessary to

obtain consistent contact with the resistor.

e. Loosen the three adjustment screws on the underside of the

potentiometer assembly and rotate the spring adjuster until the spring

rests at a relaxed state.

f. Ensure that the contact arm aligns with the contact strip and tighten

the three set screws.

g. Rotate the center shaft to ensure that the spring does not bind or rub

the potentiometer housing.

h. Replace the shaft-bearing retainer and calibrate the potentiometer.

Shaft-Bearing

Retainer

Contact Arm

Resistor

Calibration Spring

Set Screws

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Содержание 120-90

Страница 1: ...d 120 90 DAS With Computer for Data Acquisition and Control Instruction Manual Updated 4 24 2018 Ver 6 0 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 ...

Страница 2: ...tometer 5 Chart Recorder 6 Eurotherm 10 Potentiometer Indicator 12 Software 13 Setup 13 Calibration 16 Operation 17 Test Builder 18 Test Data 19 Operation 20 Filling the Slurry Cup 20 Loading the Test Cell 22 Completing the Test 25 Maintenance 26 Potentiometer 27 Appendix 29 Potentiometer Calibration 29 Potentiometer Adjustment 31 Diagrams 32 Warranty and Return Policy 34 Table of Contents ...

Страница 3: ...vessel and pressure is increased via an air driven hydraulic pump A PID temperature controller governs an internal heater which maintains the necessary temperature profile while a magnetic drive mechanism rotates the slurry cup assembly at 150 RPM A potentiometer controls an output voltage which is directly proportional to the amount of torque the cement exerts upon an API approved paddle A chart ...

Страница 4: ...r Eurotherm 2408i 120 001 Mineral Oil 1 Gallon Qty 3 120 104 Rupture Disk 17 500 PSI 120 208 1 Slurry Cup Thermocouple 120 519 Slurry Cup Assembly No Expansion Cap 120 502 Molded Diaphragm 120 503 Paddle Pin 120 506 Paddle 120 90 5 Chart Recorder Eurotherm 6100A 120 90 033 Air Filter 120 90 035 Filter 120 90 63 Temperature Controller Eurotherm 3504 130 79 15 Serial Cable 130 76 16 USB Cable 152 38...

Страница 5: ...0 149 Test Cell O ring Qty 12 120 204 Heater Gasket Qty 2 120 208 1 Slurry Cup Thermocouple Qty 2 120 257 Drain Plug O ring Qty 12 120 501 Slurry Cup Sleeve Qty 2 120 502 Molded Diaphragm Qty 25 120 503 Paddle Pin Qty 24 120 504 Pivot Bearing Qty 10 120 505 Pivot Bearing Gasket Qty 5 120 506 Paddle Qty 6 120 507 7 Paddle Shaft Qty 10 120 508 Diaphragm Retaining Ring Qty 6 120 509 Drive Disc 120 51...

Страница 6: ...cordance with local codes 5 Plug the cable into the top port on the unit cabinet and connect the other end to the port on the back of the Control Box 6 If you are using a computer connect the Control Box to the computer with the supplied cable Newer units connect via a USB cable 130 79 16 Older units use an RS 232 serial cable 130 79 15 7 To fill the oil reservoir remove the oil reservoir cap and ...

Страница 7: ...matically record data onto the disk during the test However for this feature to work you must have the disk inserted into the drive when the unit is powered on Otherwise the data must be manually archived at the end of the test Recorder Disk Eject Button Root Menu Button It is strongly recommended that you carefully study the Eurotherm Chessell 6100A instruction manual before using this equipment ...

Страница 8: ...y it is possible to restore your configuration from the disk that is shipped with the unit 1 At the top of the screen press Save Restore and choose Restore 2 Make sure all four options are selected then touch the File Name field 3 Press the up arrow to access the root directory 4 Select Removable and press the down arrow to access the disk 5 Choose the file titled Config and press Open 6 When the ...

Страница 9: ...re application 3 From the File menu select Transfer and then click Files 4 Click the Browse button then choose the appropriate drive for your removable media Open the History folder and select the files you wish to transfer 5 Type a name in the Name field and click OK At this point you will receive a warning message Click OK again 6 When the file transfer is complete go to the File menu and click ...

Страница 10: ... specific data point click the Go To button at the top of the screen Choose the data point you wish to view and click OK 10 Now select the Point IDs you wish to display on the chart Hold down the CTRL button to select more than one Click OK 11 The software will now create the chart based on the data collected from the test ...

Страница 11: ... the slurry and loading the slurry cup The Eurotherm 3504 can store up to eight custom programs Each program consists of multiple segments In a segment the temperature setpoint can be changed or held for a certain amount of time Each program also can consist of two channels one for temperature and one for pressure Since the Benchtop Consistometer does not offer automatic pressure control only Chan...

Страница 12: ...uration The amount of time it will take to increase the setpoint to the target Dwell Hold the current setpoint Duration The amount of time to hold the current setpoint Step Increase the setpoint immediately No ramp is involved Target SP The end temperature for the segment End The final segment in every test must be End End Type Dwell is recommended This will hold the current setpoint until the tes...

Страница 13: ...urry increases The potentiometer indicator features a high voltage alarm When the charge reaches the specified level an alarm condition is triggered and the heater pump and motor are automatically shut off To change the alarm setting perform the following steps 1 Push the Page key twice The display will read AL 2 Push the Enter key The display will read IFSH 3 Push the up arrow key once to read th...

Страница 14: ... connect to the computer via a USB cable Older units use an RS 232 serial cable 5 Enter a name The name must be different from all other Consistometers connected to this PC 6 Enter a slave ID The slave ID must be different from all other Consistometers connected to this PC 7 Choose the COM port the new Consistometer is connected to 8 Chose a folder to save the test data It is recommended that each...

Страница 15: ... For each one it shows the type of equipment name slave ID COM port and data archive path Units with R after their name are currently running a test Right click on a unit and select Launch from the menu 13 Select Setup from the Options menu 14 Select units for Temperature F or C Consistency Voltage or Bc and Pressure PSI KSI or kPa 15 Choose an Archive Path This is the folder where all test data w...

Страница 16: ...the test is finished Make sure that if you select Bc for consistency units that you also use Bc for these two fields Likewise if you chose V for consistency units you must use voltage for these two fields 19 Select Automatic stop collecting data if you want the Consistometer to stop collecting data during an alarm condition During an alarm condition the motor heaters and pump all stop By default w...

Страница 17: ... Calibration from the Operations menu 2 Prepare the potentiometer for calibration as described on page 29 3 Place the weight hanger with no weights on the end of the string The weight hanger is 50 g 4 Wait for the value on the screen to stabilize and then click Accept 5 The software will prompt you to add weight to the hanger After adding the weight wait for the value to stabilize then click Accep...

Страница 18: ...its Job Type The following fields do affect your test DAQ Time mm ss determines how often test data is saved to file Alarm sets the consistency alarm Be sure to use the same consistency units set in the Setup screen 3 Select a Test Profile Test profiles are built in the Test Builder Refer to page 18 for instructions 4 Click OK to start the test If the computer is disconnected from the Consistomete...

Страница 19: ... Add button to add a step 4 Choose a Step Type Ramp The software will increase the setpoint up to the target over a specified time period You will be asked for a time period minutes and a target temperature Step The software will increase the setpoint to the target immediately You will be asked for a target temperature Hold Maintain the current setpoint for the specified period of time You will be...

Страница 20: ...est or calibration to view The graph will be displayed in the chart area 3 To print the chart click the Print Chart button You can also print a chart or export test data during a test Simply right click on the table at the bottom of the main screen From the context menu select either Print Chart or Export a Print Chart This will print the current chart If you have selected Print to Printer in the ...

Страница 21: ...t the paddle assembly all the way into the top of the cylinder Cylinder Paddle Bottom Cell Cap Locking Ring Gasket 4 Slide the slurry cup lock ring on top of the paddle assembly with the two notches facing upward Tighten the locking ring completely using the provided slurry cup tool 5 Prepare the cement slurry as stated in API Specification 10 6 Pour the cement into the slurry cup through the open...

Страница 22: ...ks out of the hole in the center of the cap If it does not remove the cap and refill the slurry cup Do not add cement through the hole in the cap 8 Screw the pivot bearing into the hole in the center of the cap and tighten 9 Wipe the entire slurry cup clean to ensure that no cement remains on the outside Pivot Bearing Slurry Cup Tool Slurry Cup Slurry Cup Stand ...

Страница 23: ...t the slurry cup drive pins engage the drive holes at the bottom of the test cell It may be necessary to start the motor briefly to confirm that the slurry cup is properly aligned inside the test cell 2 Lower the potentiometer mechanism into the test cell ensuring that the contact springs of the potentiometer are in alignment with the test cell contacts The slurry cup and potentiometer both have t...

Страница 24: ...cap onto the cell and hand tighten Thermocouple Cell Cap Thread Gland 5 Plug the thermocouple into the port on the unit cabinet Insert the thermocouple into the hole in the top of the cell cap and tighten the thread gland finger tight Then loosen it of a turn 6 With a wrench handy turn the Oil Reservoir Valve to Fill Cell The test cell will begin to fill with mineral oil from the reservoir Careful...

Страница 25: ...e 17 for more information If you are not using the software push the Run button on the temperature controller 10 Turn the Timer switch on and press the F1 RST button to start timing The timer displays elapsed time during a test If an alarm condition occurs the timer will stop This is a troubleshooting measure that shows you the point during the test at which the alarm occurred When the alarm condi...

Страница 26: ...e Cool and Motor switches 5 Open the Pressure Release valve counter clockwise all the way Always release the pressure very slowly to avoid pulling cement into the plumbing 6 Once the cell pressure reaches 0 turn the 15 VDC switch off 7 Slowly turn the Oil Reservoir Valve to Vent 8 Open the Air To Cylinder valve counter clockwise Air pressure will force the oil back into the reservoir You will hear...

Страница 27: ...wipe the inside of the cell with a rag or paper towel Oil Filter If oil is not flowing from the oil reservoir to the pump it may be necessary to replace the oil filter 1 Open the back panel of the main unit cabinet and locate the oil filter fixture 2 Open the fixture remove the filter and replace it with a new one To reduce the risk of damaging the piping around the fixture you can completely remo...

Страница 28: ...osion Replace the spring 3 To install a new resistor a Remove the four small screws holding the shaft bearing retainer to the potentiometer assembly b Remove the contact arm c Carefully lift the damaged resistor away from the potentiometer Clear the resistor groove of any foreign material d Carefully place the new resistor into the groove and ensure that it is centered between the two terminating ...

Страница 29: ...the underside of the potentiometer assembly and rotate the spring adjuster until the spring rests at a relaxed state f Ensure that the contact arm aligns with the contact strip and tighten the three set screws g Rotate the center shaft to ensure that the spring does not bind or rub the potentiometer housing h Replace the shaft bearing retainer and calibrate the potentiometer Shaft Bearing Retainer...

Страница 30: ...he contacts From the groove going clockwise around the unit connect yellow then black then blue 3 Slide the weight into the groove and wrap the cord clockwise around the unit one full turn 4 Let the cord hang over the wheel and off the table 5 Attach the hook to the cord 6 Apply the weights to the hook according to the chart below Steady the cord to minimize the amount of swinging When adding weig...

Страница 31: ... the Potentiometer Indicator 9 Record the reading and repeat steps 6 through 8 with each weight listed in the chart below The voltage values in this chart are only examples Every potentiometer is different and will therefore produce different voltages The calibration process will help you interpret the potentiometer readings provided by the Consistometer Mass grams Approximate Voltage 100 2 5 200 ...

Страница 32: ... the consistometer 2 Loosen the three set screws on the bottom of the potentiometer 3 Locate the spring holder on the top of the potentiometer It may be positioned beneath the shaft bearing retainer Push the spring holder to rotate the spring within the body of the potentiometer 4 When the contact arm is again in front of the zero point tighten the set screws to secure it in place 5 The contact ar...

Страница 33: ...ve Disk 120 509 Diaphragm Support 120 515 Locking Ring 120 517 Diaphragm Retaining Ring 120 508 Paddle Pin 120 503 Sleeve 120 501 Base 120 516 Drive Pin 120 512 Pivot Bearing 120 504 Drive Bar 120 510 Drive Disk Set Screw 120 514 Paddle Shaft 120 507 Molded Diaphragm 120 502 Below 400 F 120 40 502 Above 400 F Paddle 120 506 Gasket 120 513 Pivot Bearing Gasket 120 505 ...

Страница 34: ... 148 Heater Coil 120 206 Cooling Jacket O ring Qty 2 503 258V90 Table Drive 120 90 044 Cell Body Legs Qty 3 120 55 034 Spacer Qty 2 120 206B Hex Hex 10 32 125 Qty 2 120 206D Washer Qty 2 120 206C Mag Drive Assembly O ring 120 149 Heater Shield 120 35 057 Heater Gasket Qty 2 120 204 Cooling Jacket Drain Plug O ring 120 257 Contact Pin Assembly 120 90 097 7 16 20 9 16 L Hex Jam Nut Qty 2 120 206A ...

Страница 35: ... any losses or damages that occur as a result of Improper installation or maintenance of the products Misuse Neglect Adjustment by non authorized sources Improper environment Excessive or inadequate heating or air conditioning or electrical power failures surges or other irregularities Equipment products or material not manufactured by OFITE Firmware or hardware that have been modified or altered ...

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