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

SGSM

Disassembling and

Cleaning the Test Cell

The test cell must be cleaned immediately after every test. Any cement left in

the test cell will harden and could damage the equipment. Clean all surfaces

of the test cell with soap and water.

Remove all o-rings, snap rings, and bushing and clean them individually.

Carefully inspect them and discard any that show damage or wear.

If the cement sets during an SGSM test, the bob and bob shaft will set with

the cement in the test cell. If this happens, it may be possible to remove bob

without damaging the equipment.

There are two procedures for removing the SGSM from set cement. The first

procedure attempts to save the magnet and shaft. This procedure will only

work if the threads on the shaft have been heavily greased. The shaft will

need to twist free from the bob and any cement that has set around it.

If the first procedure fails, then the second procedure will remove the magnet

and shaft from the cell. However, both the magnet head and the bob shaft will

be destroyed and will not be reusable. The bob itself should be reusable for

further testing.

To avoid damaging the equipment, make sure all surfaces that will be

in contact with the cement are covered in grease before assembling the

cell.

Procedure 1:

Tools Needed

- 10" Crescent Wrench

⅝" Wrench

" Strap Wrench

- Soft Face Hammer

- Cell Cap Wrench

- Heavy Duty Vice

- Small Sledge Hammer

- Rock Chisel

- Knock Out Tool

A hardened cement plug

can only be pushed out of

the cell from the top to the

bottom. Secure the test

cell in a heavy duty vice.

Top of Cell

Taper

Bottom of Cell

Содержание 4020-SG

Страница 1: ...No 9 612 232 OFI Testing Equipment Inc Part No 120 59 Instruction Manual Updated 4 21 2017 Ver 3 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: ...oftware Setup 17 Main Screen 19 Software Operation 22 Cell Assembly 23 Connecting the Cell 29 Starting the Test 31 Stopping the Test 32 Disassembling and Cleaning the Test Cell 33 SGSM 35 Software Setup 35 Main Screen 38 Software Operation 42 Cell Cap Assembly 44 Drag Check 52 Preparing the Test Cell 53 Connecting the Cell 54 Starting the Test 55 Stopping the Test 56 Evaluating Test Data 57 Disass...

Страница 3: ...Filters 66 Troubleshooting 68 Calibration 72 Pressure Transducer 72 Thermocouple 74 Ultrasonic Transducer 77 SGSM Transducer 78 UCA Transducer Archives 80 SGSM Calibration Archives 81 Appendix 83 Multiple Instruments 83 Electrical System Grounding 84 UCA Cell Assembly Diagram 85 SGSM Cell Assembly Diagram 86 Drive Assembly Diagram 87 Warranty and Return Policy 88 ...

Страница 4: ... then transmitted through the cement sample As the strength of the cement increases over time the acoustic signal travels faster through the sample SGSM In an SGSM test a vaned bob is submerged in the cement During the test the bob turns periodically and measures the static gel strength of the sample Main Features Programmable temperature and pressure control Data transmission via USB for UCA soft...

Страница 5: ...s Maximum Temperature 400 F 204 4 C Maximum Pressure 20 000 PSI 137 9 MPa Size 29 20 14 73 6 50 8 35 6 cm 85 lb 39 kg Air Supply 100 PSI 690 kPa Recommended 150 PSI 1 035 kPa Maximum NPT Connector Water Supply 40 100 PSI 40 100 F NPT Connector Water Drain NPT Connector Coolant Supply NPT Connector Coolant Drain NPT Connector Heater 230 240 VAC 10 Amp 50 60 Hz Electronics Power 230 240 VAC 2 Amp 50...

Страница 6: ... Transducer Spring Qty 2 120 52 021 Fill Gauge 120 53 25 LPT Cable 120 53 81 Wrench Combination 3 16 120 58 005 Drive Assembly See diagram on page 87 for parts list 120 58 006 SGSM Cell Assembly See diagram on page 86 for parts list 120 58 07 Wrench Allen 5 64 120 58 08 Calibration Stand 120 58 16 Wrench Strap 5 120 59 Automated UCA SGSM 120 59 355 Fill Tube 120 59 520 USB Cable 120 75 9 Weight Ha...

Страница 7: ...ptor Lower 120 58 010 SGSM Magnet Shaft Assembly 120 58 05 Retaining Ring SGSM Adaptor Lower 120 58 23 SGSM Diaphragm 120 59 355 Fill Tube 120 59 520 USB Cable 120 90 033 Air Filter 120 106 001 High Pressure Filter Elements Qty 3 120 209 Thermocouple Assembly 120 53 25 LPT Cable 122 053 Rupture Disk 22 500 PSI 130 79 15 Serial Cable 172 24 Solid State Relay 240V 25A Consumables 120 106 001 High Pr...

Страница 8: ...Qty 2 120 53 01 Vane Assembly 120 53 041 Bearing 120 53 31 O ring Qty 5 120 53 32 O ring Qty 5 120 53 33 Tension Spring Qty 2 120 53 42 Graphite Bushing Qty 20 120 53 58 Backup Ring Upper Qty 2 120 53 59 Backup Ring Lower Qty 2 120 53 82 Retaining Ring External Qty 2 120 58 05 Retainer Ring External Qty 2 120 58 23 Diaphragm 120 58 38 Retainer Ring Internal Qty 2 123 011 O ring for Test Cell Qty 5...

Страница 9: ...of the hazard and any actions which have to be taken Hot This symbol indicates that a surface may be hot to the touch Shock Hazard This symbol indicates a risk of electrical shock Note This symbol will indicate important notes and helpful hints for the operation of the equipment Tip This symbol is used to identify operational information and best practices to obtain the most reliable data Caution ...

Страница 10: ... body See page 25 5 Assemble the top cell cap See page 26 6 Mix the slurry and fill the cell See page 28 7 Install the top cell cap to the cell assembly 8 Install the test cell to the cabinet See page 29 9 Connect water supply line thermocouple and transducer to the test cell 10 Run the test See page 31 11 Allow test cell to cool down See page 32 12 Remove test cell See page 33 13 Disassemble the ...

Страница 11: ...sembly and install it to the top cell cap See page 49 7 Install the top cell cap to the cell assembly 8 Install the test cell to the cabinet 9 Connect the SGSM head to the shaft assembly and run a drag check See page 52 10 Mix the slurry and fill the cell See page 53 11 Connect water supply line thermocouple and transducer to the test cell See page 54 12 Run the test See page 55 13 Allow test cell...

Страница 12: ...re all switches are off and the pressure relief knob is turned completely counterclockwise 3 Connect the Air Supply Water Supply Drain Coolant Supply and Coolant Drain connectors on the back of the unit to their appropriate source and plug in the power cords Make sure the Coolant Drain is suitable for high temperature discharge 4 Connect the UCA SGSM to a PC with the supplied cables USB for the UC...

Страница 13: ...Pressure Gauge Water Supply Tube Not Shown LPT Cable SGSM Head Eurotherm Display Control Panel Cell Pressure Release Valve High Temperature Indicator Thermocouple Front View Rear Panel Hoses Electronic Connections LPT Port USB Port RS232 Port Heater Power Cable Receptacle Electronics Power Cable Receptacle ...

Страница 14: ...pplies pressure until the system is switched to off auto or until it reaches 20 000 PSI Max Pressure b Off Stops the pressure application c Auto Applies pressure until the unit reaches the target pressure entered in the software setup menu See page 17 Cool Engages the cooling system to the cell a Manual Constantly applies water or coolant to the heat jacket b Off Stops the application of water or ...

Страница 15: ...ew test profile To edit a current test profile select a test from the list on the left hand side by double clicking on the appropriate test 3 In the Profile Name box enter a test name 4 Each test profile has two parameters temperature and pressure For each parameter there is a series of steps Each step specifies the setpoint and other options for that parameter To add a step click the Temperature ...

Страница 16: ... for a set number of minutes Enter the time into the Time Box ii Ramp This will increase the temperature up to the target in a set number of minutes You will be prompted for the ramp time and target temperature iii Step This will increase the temperature up to the target as fast as possible Enter the target temperature in the Target box The maximum temperature setpoint allowed is 400 F 204 4 C The...

Страница 17: ...th until the end of the test 5 Click the OK button to exit the Setup screen The new Temperature Profile will now appear in the Temperature Profiles List in the UCA Info tab b Pressure There are two types of pressure settings i Hold This will hold the current pressure for a set number of minutes ii Ramp This will increase the temperature up to the target in a set number of minutes Enter the time to...

Страница 18: ...Setup Before you begin a UCA test you must prepare the PC to record the data 1 Turn on the PC and the UCA 2 Put the UCA SGSM switch to the UCA position See page 35 3 Open the software by double clicking the Automated UCA icon on the desktop 4 Click Utilities Setup The UCA software will only communicate through USB ...

Страница 19: ...d is helpful when multiple units are generating graphs Strength Strength 2 Strength 3 Enter a time period in each of these three fields At the end of the test the compressive strength at these three times will print on the graph Ultrasonic Transducer Pressure Transducer Thermocouple Calibration Frequency Enter a time period in each of these three fields The default time period is set at six months...

Страница 20: ...32 320 7300 Fax 713 880 9886 www ofite com 19 The software application has a set of tabs that are specific to the test configuration The UCA Info tab shows the current test configuration and a graph of the temperature and pressure profiles UCA Main Screen ...

Страница 21: ...ressure within the test cell PSI or MPa depending on the settings in the Setup screen Transit Time Time required for the sound wave to travel through the sample Microseconds Compressive Strength Calculated compressive strength of the sample PSI or MPa Acoustic Impedance Calculated acoustic impedance of the sample Cursors Plotted points on the graph Coordinates are displayed in this window as the c...

Страница 22: ...anually scaled to show more or less detail To manually scale a chart 1 Right click on the X or Y axis and uncheck AutoScale X or AutoScale Y 2 Double click the minimum value on the axis Type in a new value 3 Double click the maximum value on the axis Type in a new value 4 The chart will now only display values between the new minimum and maximum The Log Data tab shows the test data for the cell ...

Страница 23: ...ore preparing the cement sample The information in these fields will display in the data file at the end of the test Select the desired profile before the test Cement Density The following fields are required Test Name Each test must have a unique test name The software uses this field to name the data file Slurry Density The software uses this field to calculate the correct compressive strength C...

Страница 24: ...t must be cleaned from the port as well 2 Tighten the jaws of the vice on the flats of the bottom cell cap with the threads facing up 3 Apply a thin layer of high temperature grease to the threads of the bottom cell cap 4 Remove grease from the center area of the surface with a paper towel 5 Leave only a thin layer of grease on the top surfaces of the bottom cell cap avoiding the center area that ...

Страница 25: ...nted towards the threads and place the o ring 123 011 on top of it 8 Apply more high temperature grease to the seal ring and o ring The o ring should be inspected for signs of degradation before installing a new o ring The bottom cell cap does not require a retaining ring Bottom Cell Cap 120 50 021B O ring 123 011 Seal Ring 120 50 027 1 Seal Ring Cross Section ...

Страница 26: ... is complete 2 Carefully screw the cell body onto the bottom cell cap completely Then unscrew the cell body of a turn This will facilitate disassembly later The cell body should turn smoothly onto the cell cap If you encounter resistance stop turning and unscrew the body slightly Then continue turning until the cell body is completely tightened Watch the bottom cell cap o ring from inside the cell...

Страница 27: ...e flats of the top cell cap with the threads facing up 3 Apply a thin layer of high temperature grease to the threads of the bottom cell cap 4 Remove grease from the center area of the surface with a paper towel 5 Leave only a thin layer of grease on the top surfaces of the bottom cell cap avoiding the center area that transmits or receives transducer signal Excess grease will interfere with the t...

Страница 28: ...7 Install the seal ring 120 50 027 1 with the narrow side pointed towards the threads and place the o ring 123 011 on top of it The o ring should be inspected for signs of degradation before installing a new o ring 8 Install the retaining ring 120 50 026 above the o ring 9 Apply more high temperature grease to the seal ring o ring and the retaining ring Top Cell Cap 120 50 021C Retaining Ring 120 ...

Страница 29: ...l body If you encounter resistance stop turning and unscrew the cap slightly Then continue turning until it tightens completely Unscrew the top cell cap of a turn This will facilitate disassembly later Fill Gauge 120 52 021 Filling the Cell 1 Once the slurry has been mixed place the fill gauge on top of the test cell 2 Fill the cell until the cement touches the bottom of the fill gauge to the side...

Страница 30: ...ed or received by the transducers 2 Carefully place the cell into the heating jacket 3 Place the top transducer into the hole in the top cell cap Compress the spring and place the spring holder over it Tighten the screw with a 3 16 allen wrench to secure the spring holder in place 4 Connect the water supply tube from the port on the test cell to the cabinet a Screw the glands on the water supply t...

Страница 31: ... thermocouple gland and ventilation port on the top cell cap 7 Once the water comes out of the ventilation port tighten the thermocouple gland completely and turn the Water On Fill switch to the OFF position This will ensure that all air has been purged from the cell 8 Clean and dry the top cell cap and cabinet of excess water 9 Make sure all the cables are connected properly See page 11 for more ...

Страница 32: ... Auto position depending on the user s test preference See page 13 7 Turn the HEAT switch to the on position 8 Verify that all of the switches on the control panel are in the proper positions for the test and click the START TEST button in the software Edit information about the test or continue with the test procedure by pressing OK See page 22 When you click the OK button the test will begin Sol...

Страница 33: ...he Auto position the cooling system will cool automatically if the cell temperature is greater than 100 F To change the temperature threshold contact OFITE Technical support 3 Turn the COOL switch to the MANUAL position and allow the test cell to cool to 100 F 4 When the cell has cooled turn the PRESSURE UP and COOL switches to the OFF position Turn the WATER ON FILL switch to the OFF position 5 O...

Страница 34: ...nd transducer 3 Lift the cell out of the heating jacket When removing the test cell pay special attention to the transducer Make sure it doesn t pull off of the end of the transducer cable with the cell 4 The UCA wrench may be required to remove the end caps Remove both cell caps from the cell as shown below and proceed with the following instructions a Remove the top cell cap b Properly dispose o...

Страница 35: ...d TOP facing up and the end labeled BOTTOM facing down b Insert the knock out tool into the cell on top of the cement c Slowly increase pressure in the press until the cement slides out of the cell Knock Out Tool and Mallet a Tighten the jaws of the vice on the flats of the cell body with the end labeled TOP facing up and the end labeled BOTTOM facing down b Insert the knock out tool into the cell...

Страница 36: ...ion 3 Open the software by double clicking the automated SGSM icon on the desktop 4 Click Utilities Setup The SGSM software will only communicate through the serial connection COM9 C Automated SGSM Data C Program Files x86 SGSM logos OFITE Logo OFI Testing Equipment Inc Tag lb 100ft 2 6 6 COM Port The COM port is connected to the device through the RS 232 cable Temp Unit F or C Pressure PSI or MPa...

Страница 37: ...s speed can be changed based upon your specific needs and or conditions Conditioning Time This is the amount of time the SGSM will condition the cement before it begins measuring gel strength This value must be at least 2 minutes After the Conditioning Time the SGSM will measure the rate of gel strength development and calculate the gel strength of the slurry based on the variables entered in the ...

Страница 38: ...riod in each of these fields The default time period is set at six months but can be edited if needed The SGSM software will prompt a reminder that these components need to be recalibrated at each of these times This will not affect the test When these reminders are prompted just click OK to clear them Print to Printer When this option is on a graph of the test results will automatically print to ...

Страница 39: ...x 713 880 9886 www ofite com 38 The software has a set of tabs that are specific to the SGSM test configuration The SGSM Info tabs show the current SGSM test configuration and a graph of the temperature and pressure profiles Test Started Heater Engaged SGSM Main Screen ...

Страница 40: ... seconds to allow the fluid to reach a steady state Pre Zero Before performing the zero operation the software rotates the bob one full revolution to overcome any initial drag Zero Before starting the gel strength measurement the software rotates the bob one full revolution and records the amount of drag in the system It uses these values to compensate for the drag during a test Stop The bob is st...

Страница 41: ...emperature Temperature within the test cell F or C depending on the settings in the Setup screen Pressure Pressure within the test cell PSI or MPa depending on the settings in the Setup screen Current Reading The current gel strength measurement This field will show the current gel strength if the SGSM State is in Measure or in Stop Units depend on the settings in the Setup screen Last Gel Strengt...

Страница 42: ...OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 41 The Log Data tab shows the logged data This data is available at the end of the test ...

Страница 43: ...ore preparing the cement sample The information in these fields will display in the data file at the end of the test Select the desired profile before the test Multiple Conditioning Final Strength The following fields are required Test Name Each test must have a unique test name The software uses this field to name the data file Slurry Density This field displays the range of the density of the ce...

Страница 44: ...trength periodically until the cement reaches the value in the Strength 5 field entered in the setup screen Then it will condition the cement for the time period specified in the Conditioning Time field on the Main Setup screen This cycle will continue until the gel strength reaches the value in the Final Strength field on the Test Info Setup screen Once the gel strength reaches the Final Strength...

Страница 45: ...ram of the test cell refer to page 85 Bottom Cap Assembly 1 Inspect the transducer port to make sure that it is clean and free of debris Dried transducer couplant can accumulate on the sides and bottom of the port This couplant must be cleaned from the port as well 2 Tighten the jaws of the vice on the flats of the cell cap with the threads facing up 3 Apply a thin layer of high temperature grease...

Страница 46: ...nted towards the threads and place the o ring 123 011 on top of it 5 Apply more high temperature grease to the seal ring and o ring The o ring should be inspected for signs of degradation before installing a new o ring The bottom cell cap does not require a retaining ring Bottom Cell Cap 120 50 021B O ring 123 011 Seal Ring 120 50 027 1 Seal Ring Cross Section ...

Страница 47: ...plete 6 Carefully screw the cell body onto the bottom cell cap completely Then unscrew the cell body of a turn This will facilitate disassembly later The cell body should turn smoothly onto the cell cap If you encounter resistance stop turning and unscrew the body slightly Then continue turning until the cell body is completely tightened Watch the bottom cell cap o ring from inside the cell body a...

Страница 48: ...o one of the ports on the top cap of the SGSM test cell Tighten the thermocouple completely then loosen it of a turn The two ports are interchangeable 3 Tighten the jaws of the vice on the flats of the cell cap with the threads faced up 4 Insert a retaining ring into the lower internal ring groove of the cell cap so the gap clears the thermocouple as shown below Thermocouple Retaining Ring Grooves...

Страница 49: ...nsert the other retaining ring into the groove above the diaphragm so the gap clears the thermocouple as shown below 6 Place the metal seal ring on the external portion of the cell cap with the narrow end pointed toward the threads The seal ring should not need to be removed from the top cell cap If it must be replaced the metal seal ring must be reinstalled in the same orientation 7 Place an o ri...

Страница 50: ...ould be oriented with the taper pointing away from the o ring 13 Place a retaining ring 120 53 82 on the mounting adapter to hold the o ring in place 14 Secure the mounting adapter with the longer end of the shaft pointed up Place the lower backup ring 120 53 59 around the bottom of the mounting adapter with the o ring 120 53 31 on top of it The backup ring should be oriented with the taper pointi...

Страница 51: ...he magnet and screw it tight 20 Lightly grease the threads that secure the plug and gland 21 Install the plug and gland Completely tighten them then loosen them of a turn 22 Secure the top cell cap in a vise with the threads facing down 23 Carefully insert the assembled base and bob shaft through the top of the cap with the threads of the bob shaft going in first 24 Once the base reaches the top o...

Страница 52: ... average diameter and average height and enter them in the Setup screen Refer to page 35 The bob should be measured every 3 months for consistency There should be no need to replace the bob unless it has been damaged in some way Bob Calipers 26 Screw the bob onto the bob shaft Hold the shaft in place with the supplied 3 16 combination wrench 120 53 81 while tightening the bob The bob screws counte...

Страница 53: ...Then continue turning until the cap is completely tightened 2 Once the cap is completely tightened unscrew it one quarter turn This will facilitate disassembly later 3 Install the SGSM head to the base 4 Connect the SGSM Head to the UCA with the LPT cable See page 11 5 To get to the Drag Check screen in the software click Utilities Drag Check and select Run 6 Allow the test to run for 33 seconds a...

Страница 54: ...ap should turn smoothly onto the cell body If you encounter resistance stop turning and unscrew the cap slightly Then continue turning until it tightens completely Unscrew the top cell cap of a turn This will facilitate disassembly later Filling the Cell 1 Once the slurry has been mixed place the fill gauge on top of the test cell 2 Fill the cell until the cement touches the bottom of the fill gau...

Страница 55: ...t so the water supply tube is aligned properly to the cell c Use a wrench to tighten both glands completely 4 Plug the thermocouple from the cell cap to the port on the cabinet leaving the thermocouple gland slightly loose on the cell cap 5 Turn the WATER ON FILL switch to the on position until water comes out of the thermocouple gland and ventilation port on the top cell cap 6 Once the water come...

Страница 56: ...nformation required for the test 3 Select a temperature profile for the test see page 14 4 Make sure the Pressure Release valve is completely closed clockwise 5 Set the PRESSURE UP switch to the MANUAL or AUTO position depending on the user s test preference 6 Set the COOL switch to the MANUAL or AUTO position depending on the user s test preference 7 Turn the HEAT switch on 8 Verify that all of t...

Страница 57: ...he temperature threshold contact OFITE Technical support 3 Turn the COOL switch to the MANUAL position and allow the test cell to cool to 100 F 4 When the cell has cooled turn the PRESSURE UP and COOL switches to the OFF position Turn the WATER ON FILL switch to the OFF position Always open the pressure release valve very slowly to prevent pulling cement into the plumbing 5 Unscrew and remove the ...

Страница 58: ...generates a trend line connecting the peaks of the gel strength line At the top of the SGSM chart are entries for Time lb 100ft 2 This shows the calculated time at which the cement reached each gel strength These values are set in the Options screen see page 35 as Strength 1 Strength 2 etc The Transition Time is the calculated time from Strength 1 to Strength 5 By default these fields are set to 1...

Страница 59: ... procedure attempts to save the magnet and shaft This procedure will only work if the threads on the shaft have been heavily greased The shaft will need to twist free from the bob and any cement that has set around it If the first procedure fails then the second procedure will remove the magnet and shaft from the cell However both the magnet head and the bob shaft will be destroyed and will not be...

Страница 60: ... of the shaft 6 The bob shaft has a left handed thread Using the strap wrench unscrew the shaft from the bob by rotating the shaft clockwise The magnet is press fit onto the shaft and should move as one piece If the magnet turns on the shaft skip to Procedure 2 7 When the shaft has disengaged completely from the bob carefully remove the shaft by grasping the magnet and pulling straight up 8 Use a ...

Страница 61: ...nter with the end labeled TOP facing up 15 Using a hammer and the knock out tool and or a cement press remove the cement plug from the test cell Be sure to apply force only to the top of the cement plug Take extra precautions as the bob can be damaged during this operation 16 Note the top and bottom of the cement plug The top of the plug will have a hole in the top from which the shaft was pulled ...

Страница 62: ...e 22 Proceed around the bob by removing the cement from between the vanes Procedure 2 Tools Needed 10 Crescent Wrench Wrench Channel Locks Soft Face Hammer Cell Cap Wrench Heavy Duty Vice Small Sledge Hammer Rock Chisel Knock Out Tool 1 Secure the SGSM cell in a heavy duty vice 2 Use a crescent wrench to hold the bob shaft housing in place 3 Unscrew the magnetic housing on top of the cell 4 Remove...

Страница 63: ...exposed area of the shaft with a pair of channel locks 7 The bob shaft has a left handed thread Loosen the shaft by turning the channel locks clockwise 8 When the threads are fully disengaged carefully remove the shaft 9 Remove the magnetic housing The action of removing the shaft will destroy the upper bushing 10 Use a cell cap wrench to remove the cell cap 11 Turn the test cell over and secure i...

Страница 64: ... 18 Using a small chisel begin chipping at the plug about from the bottom 19 Remove the cement from the bottom of the plug in small chunks until you expose one of the vanes on the bob 20 Set the plug upside down on the counter 21 Place the chisel next to the exposed vane and begin chipping downward away from the vane 22 Proceed around the bob by removing the cement from between the vanes Do not us...

Страница 65: ...e changed bob shaft bushings transducer etc Monthly Replace Bushings If the bushings show signs of damage or wear When the SGSM Drag Check results are too high see page 52 SGSM Drag Check Before every test After transducer calibration Bob Measurements Every 3 Months O ring Replacement After 400 F 204 4 C tests or as needed Temperature Monthly see page 74 Pressure Annually see page 72 Fuses As need...

Страница 66: ...housing 3 Unplug the power cord leading to the UCA SGSM 4 Depressing the tab on the bottom of the fuse housing should allow you to flip the housing up 5 Open the door on the side of the fuse housing 6 Replace the blown fuse 7 Close the door on the fuse housing and push the housing down back into place 8 Plug the power cord back into the UCA 9 Check to ensure the system is working again 10 Amp Main...

Страница 67: ...side a hexagonal shaped block just up stream from the filter on the inlet side of the pump To replace the rupture disk remove this block discard the ruptured disk and install a new disk Then re install the block into the plumbing line The same symptoms may also be due to clogged a High Pressure Air Filter 120 106 To replace the high pressure air filter 1 Locate the high pressure filters 120 106 in...

Страница 68: ... dry The air filter will indicate if moisture is building up through out the lines If so the water should be removed from the air line and the air filter should be drained of excess moisture Pressure Release Button 1 Place a paper towel underneath the air filter to prevent water from spraying inside the UCA SGSM 2 Use the paper towel to press the pressure release button to remove water in the line...

Страница 69: ...rn the heater switch to the on position Replace heater fuse see page 65 Turn main power off and then back on Make sure unit is not overheating The unit is overheating The thermocouple is not plugged in Plug in the thermocouple The unit is not able to maintain temperature or the temperature is cycling uncontrollably The coolant water is on The thermocouple is not plugged in Turn off the cooling wat...

Страница 70: ...ection Inspect filters as instructed on page 66 and replace if needed If the tubing is clogged or the air pressure valve has failed contact OFITE Technical Support The unit will not build pressure There is a leak at one of the fittings The pump is broken not cycling constantly cycling The Rupture Disk is blown If there are no visible leaks then there may be an internal leak caused by clogged tubin...

Страница 71: ...r surface Replace the springs Replace the transducer cables Replace the transducers Trace lines are missing from the graph The boxes for each line are unchecked Check the appropriate boxes Leaks Water is not flowing to the cell The filter is plugged The fill tubing is plugged The fittings and or cell cap openings are clogged with cement Clean the filter see photo on page 66 Check the tubing for ob...

Страница 72: ...ant used Degraded transducers Couplant used is not rated for the test temperature Remove and clean both the transducers and transducer cavity Remove and check the cables for kinks and connections for dirty or worn area Clean or replace as necessary Clean transducers Replace transducers Remove and clean the transducers and reapply the proper couplant Drag Check SGSM Only If the Peak Values are not ...

Страница 73: ... a Start the UCA or SGSM software b Go to Utilities Calibrate Pressure Transducer c Click Accept once you are ready to calibrate d Vent the test cell of all pressure When the reading on the display stabilizes click Accept e Remove the Fuse Panel on the right side Push the calibration shunt jumper Notice the red flaps on the shunt are no longer visible The alarm will sound since the shunt sets the ...

Страница 74: ... 73 h The next screen will display the new cell values Click Save to store the new value i Pull the calibration shunt jumper Notice the red flaps are visible again Red Flaps Visible The Pressure Transducer is now calibrated f Wait for the value to stabilize g Once the value stabilizes click Accept ...

Страница 75: ... SGSM software 2 Connect the thermocouple to a dry block calibrating device 3 Set the dry block to 100 F 37 8 C 4 Access the Thermocouple Calibration Utilities Calibrate Thermocouple A warning prompt will appear to inform the user that all parameters will be erased if the entire calibration process is not completed 5 Enter Setpoint 1 at 100 F 37 8 C and wait until the reading reaches the target te...

Страница 76: ...et the dry block to 200 F 8 Enter Setpoint 2 at 200 F 93 3 C and wait until the reading reaches the target temperature 9 Once the reading on the dry block stabilizes click accept 10 Now set the dry block to 400 F 11 Enter Setpoint 3 at 400 F 204 4 C and wait until the reading reaches the target temperature 12 Once the reading on the dry block stabilizes click accept ...

Страница 77: ...the Eurotherm Offset Is the average of the three differences from the three steps 14 Click the Save button on the software 15 Test the new setting by conducting a new test 16 Set the dry block to 300 F 17 Once the dry block reaches 300 F note the corresponding temperature reading on the software The reading on the software should be with in 2 F of the dry block ...

Страница 78: ...outside this range transit time may be different than expected 5 Click the Set Xmitter On button 6 The transit time should be 17 0 2 0 µsec at room temperature If the transit time is within the acceptable range click OK to save the calibration and continue If the transit time is not within this range it could be an indication that the transducers are failing or the transducer cables are damaged In...

Страница 79: ...calibration is performed with a dead weight set 1 Remove the torque spring from the SGSM and install the calibration pulley 2 Connect the wire to the torque spring post and thread it over the calibration pulley 3 Attach the other end of the wire to the hook on the calibration dead weight holder Adjust the SGSM so that the weight holder is hanging freely Torque Spring Post Calibration Pulley Transd...

Страница 80: ...weight to the weight holder Place the appropriate weight on the holder and click the ACCEPT button When calibrating the unit for the first time the software does not provide prompts that indicate which weights to apply to the weight holder The correct weights are 0g 100g 200g and 400g 9 Continue adding weight according to the prompts and click ACCEPT every time 10 When the calibration is complete ...

Страница 81: ...ransducer calibrations To view data from a previous calibration select Calibration Archive from the Utilities menu Select a calibration archive Enter a file name and a location and press OK A final prompt will appear to indicate when the file has exported successfully A list of previous calibrations will appear Click on a calibration record and export to view the data Calibration UCA Transducer Ar...

Страница 82: ...ist of previous calibrations will appear in the Calibrations Archive window to the left Click on a calibration record and export to view the data 2014 Month11Day06_Time1002 cal 2014 Month11Day06_Time1014 cal 2014 Month11Day10_Time0949 cal 2014 Month11Day13_Time1433 cal 2014 Month11Day18_Time1557 cal 2014 Month11Day19_Time1251 cal 2014 Month11Day21_Time1445 cal 2014 Month11Day24_Time0726 cal 2014 M...

Страница 83: ...rom this screen you can view and export the data to the PC in an Excel document Select a calibration and click Export A Choose or Enter Path of File window will open Enter a file name and save it as a dat document The dat document will create a text file which can be opened in Excel File Type File Name ...

Страница 84: ...es x86 folder 3 Locate the UCA or SGSM folder and select it 4 Hold down the CTRL key and then press C Then hold down the CTRL key and hit V This will create a duplicate folder 5 Choose a name to identify the new instrument 6 Rename the new folder with the name of the instrument 7 Locate the program file exe inside the folder and rename it with the name of the instrument For convenience create a sh...

Страница 85: ...ded If an extension cord is necessary make sure it has three prongs and is compatible with the electrical cord provided with the equipment Do not modify the electrical cord provided with the equipment If it is not compatible with any available outlets have a compatible outlet installed by a qualified electrician If the equipment grounding conductor solid green or green and yellow is improperly con...

Страница 86: ...ax 713 880 9886 www ofite com 85 Appendix UCA Cell Assembly Diagram Top Cap 120 59 021C Back Up Ring 120 50 027 1 Handles 120 59 081 O Ring Viton 123 011 Retaining Ring 120 50 026 Cell Body 120 59 021A Base Cap 120 59 021B O Ring Viton 123 011 Back Up Ring 120 50 027 1 ...

Страница 87: ...6 7 120 53 42 Bushing Qty 2 8 120 53 82 Retainer Ring External 9 120 53 32 O ring 10 120 53 58 Backup Ring Upper 11 120 58 04 Mounting Adapter 12 120 53 59 Backup Ring Lower 13 120 53 31 O ring 14 120 58 05 Retaining Ring 15 120 51 4 Handle Qty 2 16 120 58 03 Cell Cap 17 120 58 38 Retaining Ring Internal Qty 2 18 120 58 23 Diaphragm 19 120 50 027 1 Seal Ring Qty 2 20 123 011 O ring Qty 2 21 120 50...

Страница 88: ...3 22 Post for Torque Spring Tall 11 120 53 21 Post for Torque Spring Short 12 120 53 17 Post for Torque Transducer 13 120 53 60 Retainer Ring Internal 14 120 53 041 Bearing 15 Nut 4 40 3 16 W 1 16 H 16 120 58 08 Calibration Stand 17 120 610 Screw Phillips Pan Head 4 40 375 L 18 120 58 11 Pulley for Calibration Stand 19 120 58 10 Thumb Screw 10 32 L 20 120 53 11 Drive Base 21 120 53 55 Thumb Screw ...

Страница 89: ...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 b...

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OfiTE 4020-SG, Инструкция по эксплуатации

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