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

Calibration

UCA Ultrasonic

Transducer

The UCA unit should be calibrated initially upon install. It should then be

calibrated whenever any part of the test cell, transducers, control card, or

software are changed.

1. Assemble the UCA cell (page 33), but do not fill it with cement.

2. Load the cell into the heating jacket and make all necessary connections

(page 36).

Make sure the thermocouple is not tightened completely.

3. Slowly turn the Water Supply valve to “FILL”.

4. Watch for water to leak from the thermocouple port. When water starts to

leak, immediately tighten the gauge with a wrench to seal the cell. This

will ensure that all air has been purged from the cell.

5. Set the Pressure switch to “MANUAL”.

6. Turn the Water Supply valve to “OPERATE”.

7. In the onboard display, set the pressure to 1000 psi (page 31).

8. Access the transducer calibration:

In the software select: Utilities → Cell 1 or Cell 2 → Calibrate →

Ultrasonic Transducer

b. In the Onboard Display, go to the Calibrate screen and choose

“Transit Time”.

9. The calibration routine will turn on the transmitters and perform the cali-

bration. The transit time should be 15 – 19 µsec (at 70° ± 2°F). 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. Inspect and

clean the transducers as well as the transducer cables and connections.

Check the transducer springs for weakening or wear. If the transit time

is still out of range, then you may need to get replacement parts for the

transducers, cables, or springs.

If the software displays an error message, contact OFITE for support.

Содержание 4005

Страница 1: ...OFI Testing Equipment Inc 120 56 UCA Only 120 56 C UCA with SGSM Instruction Manual Updated 12 3 2020 Ver 1 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 2018 ...

Страница 2: ...Quick Start 6 UCA 6 SGSM 7 Setup 8 Software 11 General Setup 11 UCA Setup 12 SGSM Setup 14 Profile Builder 18 Main Screen 20 Events 22 Calculated Values 23 Onboard Display 24 Real Time Data 25 Test Setup Test Config 26 Test Setup Profile 27 Calibrate 28 Utilities 29 Archive 30 Manual Control 31 Start Test 32 UCA 33 Cell Assembly 33 Connecting the Cell 36 Starting the Test 37 Table of Contents ...

Страница 3: ...ting the Test 49 Stopping the Test 50 Evaluating Test Data 51 Disassembling and Cleaning the Test Cell 52 Maintenance 58 Maintenance Schedule 58 Fuses 59 Rupture Disk 60 Filters 61 Troubleshooting 63 Calibration 67 Pressure Transducer 67 Thermocouple 68 UCA Ultrasonic Transducer 69 SGSM Load Cell 71 Appendix 73 Electrical System Grounding 73 UCA Cell Assembly Diagram 74 SGSM Cell Assembly Diagram ...

Страница 4: ...ter running customized Windows software measures the transit times of the signal over time and interpolates the compressive strength values This data is available in real time on screen and is also stored in an Excel spreadsheet for easy graphical viewing and printing The Twin Cell UCA features two test cells in a single enclosure Both units share electrical power air water and drain plumbing and ...

Страница 5: ... T8A 250 Volt Computer Windows XP or higher Minimum Screen Resolution 1 280 680 Environmental Conditions For indoor use only Maximum Altitude 2 000 m 6 562 ft Temperature 5 40 C 41 104 F Maximum Relative Humidity 80 for temperatures up to 88 F 31 C decreasing linearly to 50 at 104 F 40 C Only use replacement parts that have been supplied by OFITE 120 50 TR Ultrasonic Transducer Set of 2 120 50 063...

Страница 6: ...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 7: ...nto the heating jacket and make all the necessary connections page 33 5 Turn the Water Supply valve to FILL and wait for water to come out of the thermocouple port 6 When the cell is full turn the tighten the thermocouple and turn the Water Supply valve to OPERATE 7 Set the HEAT COOL and PRESSURE switches to AUTO 8 Click or touch the Start Test button 9 After the test allow test cell to cool down ...

Страница 8: ...Connect the thermocouple to the thermocouple port on the cabinet page 48 7 Turn the Water Supply valve to FILL and wait for water to come out of the weep hole on the SGSM magnet cover 8 When the cell is full tighten the weep hole and turn the Water Supply valve to OPERATE 9 Set the HEAT COOL and PRESSURE switches to AUTO 10 Click the Start Test button in the software or touch the Start Test button...

Страница 9: ... power cords Make sure the Drain and Chill Out are suitable for high temperature discharge Make sure the compressed air supply is clean and dry 4 Connect the UCA to the PC The UCA can connect to the PC via serial RS 232 Ethernet or USB Do not connect an Internet device PC laptop wall mounted Ethernet port etc to the SGSM port This could damage your devices 5 If you will be running an SGSM test con...

Страница 10: ...80 9886 www ofite com 9 AC Power Heaters AC Power Electronics SGSM RS 232 USB Air Chill In Chill Out Drain Water Supply Ethernet Cell 1 Pressure Water Supply Valve Cell 1 Main Power Water Supply Valve Cell 2 Cell 2 Pressure Pump Pressure Control Knob Cell 1 Control Knob Cell 2 ...

Страница 11: ...l Cooling fluid is circulating to cool the cell Off Cooling fluid is not circulating Auto Cooling fluid circulation is controlled by the test Pressure Manual Pressure is controlled through the Onboard Display page 31 Off The pump is not engaged Auto Cell pressure is controlled by the Test Profile See page 18 for building a Test Profile in the software or page 27 for the Onboard Display Onboard Dis...

Страница 12: ...he Manage Devices screen appears right click the device from the list and select Set as Default Then click Done Make sure to enable the appropriate communication method for your device If you have connected the UCA to the PC via USB select Enable USB Comms etc Depending on the connection types you enable your device might show up multiple times or other OFITE equipment might appear on the list Mak...

Страница 13: ...ion is No the test will run until you click the Stop Test button The final temperature and pressure setpoints will be maintained indefinitely If this option is Yes the test will end when all steps in the Test Profile are complete Temp Unit Choose either F Fahrenheit or C Celsius CS Unit Choose units for compressive strength psi or MPa Density Unit Choose either lb gal or kg cu m Temperature Contro...

Страница 14: ...or cell pressure psi or MPa TT Algorithm Choose an algorithm for calculating compressive strength based on the density of the sample Choosing Auto allows the software to pick the best algorithm depending on the cement density entered on the Information tab 4 On the Profile tab select a Test Profile from the list To create a new Test Profile click the Open Builder button page 18 5 Click Save ...

Страница 15: ...p Test button or the gel strength reaches the value in the Final Strength field The final temperature and pressure setpoints will be main tained indefinitely If this option is Yes the test will end when all steps in the Test Profile are complete Temp Unit Choose either F Fahrenheit or C Celsius Density Unit Choose either lb gal or kg cu m Temperature Control The instrument has two thermocouples On...

Страница 16: ...on the sample every time the gel strength exceeds the value in the Threshold Strength field but does not exceed the Final Strength Disable Multizero When this option is unchecked the software will perform the zero function after every conditioning cycle When this option is checked the software will perform the zero function only once after the first conditioning This option is off by default Thres...

Страница 17: ...g cycle Enabling this option is not recommended It will shorten the life of the ultrasonic transducers Variable Test Time When this option is checked the SGSM will end the measurement period immediately when it senses a gel strength peak When this option is unchecked the SGSM will continue the measure ment period for the entire Test Time regardless of when the gel strength peack was detected Disab...

Страница 18: ...strength Test Speed The speed rpm the bob will turn to measure the gel strength of the cement Variable Test Time The bob will turn until the software detects a peak gel strength When the gel starts to break the bob will stop turning 4 On the Profile tab select a Test Profile from the list To create a new Test Profile click the Open Builder button page 18 5 Click Save ...

Страница 19: ...a new 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 Temperatu...

Страница 20: ...or pressure up to the target as fast as possible Enter the target in the Target box Dwell This will hold the current temperature or pressure for a set number of minutes Enter the time hh mm ss into the Time Box The maximum temperature setpoint allowed is 400 F 204 4 C The unit allows pressure setpoints between 100 psi 689 5 kPa and 5 000 psi 34 5 MPa The units of measure will be the same as entere...

Страница 21: ...2 320 7300 Fax 713 880 9886 www ofite com 20 The software has a set of four tabs Each tab shows different information The Info tab shows the test information for each cell The Profile tab shows a graph of the Test Profile for each cell Software Main Screen ...

Страница 22: ...ecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 21 The Chart tab shows a graph of the current test conditions in each cell The Log Data tab shows the data for the current test in each cell ...

Страница 23: ...ngth Transition Time Expansion 2 Enter the Value you want to test for For example if your Signal is Tem perature then a Value of 100 represents 100 3 Enter the time in seconds you want the Signal to be at the specified Value before triggering the event 4 Choose a Condition 5 If you want to be alerted when the conditions are met select Enable un der Alert 6 If you want the test to end when the cond...

Страница 24: ...e a Calculation At Time Calculate the value of the Signal at a specific test time Time When Calculate the time when the Signal reaches a specified value Signal Min Calculate the minimum Signal value for the test Signal Max Calculate the maximum Signal value for the test Transition Time Calculate the time it takes the Signal to change from one value to another 3 Fill in the remaining fields These f...

Страница 25: ...ation and control and makes it possible to run the Model 4005 without an external computer The display can be operated either as a touch screen or with the control wheel To operate the display 1 Turn the Control Wheel to scroll through the available parameters 2 Press the Control Wheel to select a parameter 3 Turn the Control Wheel to scroll through available values for the param eter 4 Press the ...

Страница 26: ...me Data screen is the default screen When the display has been idle for more than 2 minutes it will automatically revert to this screen Here you can see the current test parameters This screen does not accept any inputs Onboard Display Real Time Data Real Time Data for a UCA Test Real Time Data for an SGSM Test ...

Страница 27: ...nt Density Enter the density of the cement slurry This will be used to determine the correct compressive strength algorithm in UCA tests Conditioning Time The amount of time the SGSM will condition the ce ment before it begins measuring gel strength Wait Time The amount of time the bob will pause between gel strength measurement periods Test Time The amount of time the bob will turn while measurin...

Страница 28: ...e up to the target in a set number of minutes Enter the ramp time and target Step This will increase the temperature or pressure up to the target as fast as possible Enter the target temperature or pressure Dwell This will hold the current temperature or pressure for a set number of minutes Enter the time 3 Enter the parameters for the step ramp time target temperature etc 4 Select the ADD STEP bu...

Страница 29: ...rmocouple ultrasonic transducers for UCA tests and load cell for SGSM tests It can also perform a Drag Check for SGSM tests 1 Select the system Pressure Temperature Transit Time Load Cell Drag Check to calibrate 2 Follow the onscreen instructions Pressure See page 67 Temperature See page 68 Transit Time See page 69 Load Cell See page 71 Drag Check See page 46 Onboard Display Calibrate ...

Страница 30: ...ell The other is in the heating jacket Bath Use this option to determine which thermocouple will be used to control the temperature Sample is recommended during testing But Bath is rec ommended during pre heat Temperature Choose either F Fahrenheit or C Celsius Pressure Choose units for cell pressure psi or MPa Compressive Strength Choose units for compressive strength psi or MPa Cement Density Ch...

Страница 31: ...tatus of the inserted drive a Green The drive is inserted and supported b Amber The drive is inserted and supported but low on free space c Red The drive is inserted but not supported Make sure the drive is formated in the FAT32 file system 2 On the left hand side of the screen choose either Tests or Calibrations The list of available tests or calibrations will populate on the right 3 Choose the i...

Страница 32: ...RESSURE switch must be set to MANUAL to control the pressure 1 On the left hand side of the screen choose either Temperature or Pres sure 2 Enter the setpoint in the box 3 Select SET when done When setting the temperature with Manual Control the controller will use the thermocouple specified in the Utilities screen Bath or Cell If the Cell thermocouple is selected a thermocouple must be connected ...

Страница 33: ...nal board Before pressing the Start Test button be sure to configure your test parameters on the Test Setup screen see page 26 or in the PC software see page 18 Also note when saving settings in the onboard display the settings displayed on the screen will be saved to the board but other settings that were previ ously set in the software will be replaced by defaults Onboard Display Start Test ...

Страница 34: ...am of the test cell refer to page 74 Cell Cap Assembly 1 Apply a thin layer of high temperature grease to the inside surfaces of the two cell caps Wipe off any excess grease 2 Apply high temperature grease to both cell cap o rings 123 011 3 Place an o ring in the grooves of each cell cap 4 Make sure the transducers and the transducer holes in the cell caps are clean and free of debris They can be ...

Страница 35: ... 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 Cell Assembly 1 The test cell is labeled to indicate which end is the top and which is the bottom Additionally you can identify the bottom of the cell by removing both caps and examining the grooves benea...

Страница 36: ...e test cell threads If you encounter resistance stop turning and unscrew the cap slightly Then continue turning until the cap is completely tightened 4 Once the cap is completely tightened unscrew it one quarter turn This will facilitate disassembly later 5 Turn the test cell over and begin filling with the cement slurry Place the fill gauge on top of the test cell Fill the cell until the cement t...

Страница 37: ... the connection slightly loose for now Make sure the arrow on the filter is pointed toward the cell 4 Screw the connection on the high pressure supply line to the port on the test cell Use a wrench to tighten it completely 5 Now use a 5 8 wrench to tighten the supply line to the bulkhead connector completely 6 Screw the thermocouple into the port on the cell cap and leave it loose Plug the thermoc...

Страница 38: ...rmocouple When the water starts to leak immediately tighten the thermocouple with a wrench to seal the cell This will ensure that all air has been purged from the cell 7 Set the HEAT COOL and PRESSURE switches to AUTO 8 Turn the Water Supply valve to OPERATE 9 Click or touch the Start Test button Solid particles and air bubbles within the cement slurry can adversely affect the results of your test...

Страница 39: ...ce the cell temperature is below 190 F 87 8 C the cell pressure will vent completely 2 When the cell has cooled completely turn the HEAT COOL and PRESSURE switches off 3 Turn the Water Supply valve to DRAIN 4 Unscrew and remove the high pressure supply line from the cell cap and the instrument cabinet 5 Unplug the thermocouple and transducer 6 Lift the cell out of the heating jacket When removing ...

Страница 40: ...ment block out Follow the procedure below 1 Remove both cell caps and pour off any excess water If the cell caps on the test cell will not turn use a rubber mallet and strike the top and bottom of the test cell 2 Remove the cement plug from the cell by pressing from the top down 3 Clean all surfaces of the test cell with soap and water Do not use any type of decontamination or cleaning agents as t...

Страница 41: ...ort 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 to the surface of the bottom cell cap that meets with the cement Wipe off any exces...

Страница 42: ...ill make cleaning easier when the test is complete 1 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 If the cell bod...

Страница 43: ...of the cell cap with the threads faced up 4 Insert retaining ring into the lower internal ring groove of the cell cap so the gap clears the thermocouple as shown below 5 Insert the diaphragm into the cell cap so the gap clears the thermocouple 6 Insert the other internal retaining ring into the groove above the diaphragm so the gap clears the thermocouple as shown below 7 Place an o ring on the ce...

Страница 44: ... the o ring 12 Place a retaining ring 120 53 82 on the mounting adapter to hold the o ring in place 13 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 pointing away from the o ring 14 Install the retainer ri...

Страница 45: ...and screw it tight 19 Lightly grease the threads that secure the plug and gland 20 Install the plug and gland Tighten them then loosen them of a turn 21 Secure the top cell cap in a vise with the threads facing down 22 Carefully insert the assembled base and bob shaft through the top of the cap with the threads of the bob shaft going in first 23 Once the base reaches the top of the cell cap screw ...

Страница 46: ... height of the bob blades in three places Record the average diameter and average height and enter them in the Setup screen Refer to page 14 The bob should be measured every 3 months 25 Screw the bob onto the bob shaft Hold the shaft in place with the supplied 3 16 combination wrench 120 53 81 tightening the bob The bob screws counterclockwise onto the bob shaft with a left handed thread Bob Calip...

Страница 47: ... 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 supplied Ethernet cable 5 Access the Drag Check routine a In the software click Utilities Cell 1 or Cell 2 Calibrate SGSM Drag Check b In the Onboard Display go to the Calibrate screen and select Drag Check 6 Allow the test ...

Страница 48: ...Fill the cell until the cement touches the bottom of the fill gauge to the side labeled SGSM 3 Carefully screw the top cell cap onto the cell body completely The cell cap 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 ...

Страница 49: ...the bulkhead connector Leave the connection slightly loose for now Make sure the arrow on the filter is pointed toward the cell 4 Screw the connection on the high pressure supply line to the port on the test cell Use a wrench to tighten it completely 5 Now use a 5 8 wrench to tighten the supply line to the bulkhead connector completely 6 Screw the thermocouple into the port on the cell cap and lea...

Страница 50: ...any events page 22 or calculated values page 23 in the software 4 Assemble the test cell page 40 load it into the heating jacket and make all the necessary connections page 48 Make sure the thermocouple is not tightened completely 5 Slowly turn the Water Supply valve to Fill 6 Watch for water to leak from the thermocouple When the water starts to leak immediately tighten the thermocouple with a wr...

Страница 51: ...8 C the cell pressure will vent completely 2 When the cell has cooled completely turn the HEAT COOL and PRESSURE switches off 3 Turn the Water Supply valve to DRAIN 4 Unscrew and remove the high pressure line from the cell cap and the instrument cabinet 5 Carefully lift the SGSM head off the cell and set it aside 6 Unplug the thermocouple 7 Lift the cell out of the heating jacket When removing the...

Страница 52: ...ows the temperature pressure and gel strength over time The software also generates a trend line connecting the peaks of the gel strength line At the top of the SGSM chart are entries for Threshold Strength and Final Strength This shows the time at which the cement reached each gel strength These values are set in the Setup screen page 14 The measurement time for the static gel strength begins onc...

Страница 53: ...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...

Страница 54: ... 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 55: ...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 56: ...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 57: ...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 58: ...e 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 u...

Страница 59: ... 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 page 46 SGSM Drag Check Before every test After load cell calibration Bob Measurements Every 3 Months O ring Replacement After 400 F 204 4 C tests or as needed Calibrate Temperature Monthly page 68 Calibrate Pressure Annually page 67 Replace Fuses A...

Страница 60: ... the fuses 2 If a fuse is blown a red LED light will come on below the housing 3 Unplug the power cord leading to the UCA 4 Depress the tab on the bottom of the fuse housing and 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 th...

Страница 61: ...isk 1 Make sure there is no pressure on the system 2 Set the PRESSURE switch to OFF 3 Turn the Water Supply valve to DRAIN 4 Each cell has its own rupture disk These are located just inside the side panel next to the heating jacket Remove the side panel 5 Disconnect the plumbing from all three ports on the rupture disk housing 6 Remove the rupture disk and replace it with a new one 7 Reconnect the...

Страница 62: ...ressure on the system 2 Set the PRESSURE switch to OFF 3 Turn the Water Supply valve to DRAIN 4 To access the filter on the water supply remove the panel on the left hand side of the unit The filter is near the base plate at the back of the cabinet 5 Unscrew the hexagonal fitting from the filter housing Make a note of the direction of the arrow on the filter 6 Remove the filter element and clean i...

Страница 63: ...ts water from the lines Periodically check the air filter for moisture build up and if necessary purge it 1 Remove the top panel The air filter is just underneath the top panel at the back of the cabinet 2 Place a paper towel underneath the air filter to prevent water from spray ing inside the cabinet 3 Use the paper towel to press the pressure release button to remove water in the line Air Filter...

Страница 64: ...nd replace the fuses page 59 Heating Cooling The unit is not heating The heater switch is not on Temperature overshoot tripped LF Controller Turn the heater switch to the AUTO or MANUAL position 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 th...

Страница 65: ...s 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 tubing or a faulty air pressure valve Tighten the leaking connection Replace the pump Replace the rupture disk page 60 Inspect filters page 61 and replace if needed If the tubing is clogged or the air pressure valve has failed contact OFITE Technical ...

Страница 66: ... 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 page 61 Check the tubing for obstruction Check the openings and clean if necessary Water is leak...

Страница 67: ...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 consistent between tests with just the Head Assembly versus test ...

Страница 68: ...LL 5 Watch for water to leak from the thermocouple port When water starts to leak immediately tighten the gauge with a wrench to seal the cell This will ensure that all air has been purged from the cell 6 Set the Pressure switch to AUTO 7 Turn the Water Supply valve to OPERATE 8 Access the pressure calibration a In the software select Utilities Cell 1 or Cell 2 Calibrate Pressure Transducer b In t...

Страница 69: ...libration a In the software select Utilities Cell 1 or Cell 2 Calibrate Thermocouple b In the Onboard Display go to the Calibrate screen and choose Temperature 5 Follow the instructions on the screen You will be prompted to set the temperature on the dry block to various set points When the temperature stabilizes click the Accept software or onboard button 6 When all steps are complete you will se...

Страница 70: ... Turn the Water Supply valve to OPERATE 7 In the onboard display set the pressure to 1000 psi page 31 8 Access the transducer calibration a In the software select Utilities Cell 1 or Cell 2 Calibrate Ultrasonic Transducer b In the Onboard Display go to the Calibrate screen and choose Transit Time 9 The calibration routine will turn on the transmitters and perform the cali bration The transit time ...

Страница 71: ... is complete you will see the calibration data including a Pass or Fail If the calibration fails check the system and run the calibration again If the calibration still fails contact OFITE support 11 Click the Save software or Apply onboard button 12 Set the cell pressure to 0 psi page 31 and set the Pressure switch to OFF ...

Страница 72: ...be calibrated periodically to ensure accurate readings The calibration is performed with a dead weight set 1 Remove the cover of the SGSM Head Assembly 2 Remove the torque spring and install the calibration pulley 3 Connect the wire to the torque spring post and thread it over the calibration pulley Torque Spring Post Calibration Pulley Load Cell Torque Spring ...

Страница 73: ...ay go to the Calibrate screen and select Load Cell 6 You will be prompted to take a reading with no weight on the transducer Simply click the Accept button 7 You will now be prompted to add weight to the weight holder Place the appropriate weight on the holder and click the Accept software or onboard button 8 Continue adding weight according to the prompts 9 When the calibration is complete click ...

Страница 74: ...ounded 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 ...

Страница 75: ...plecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 74 Appendix UCA Cell Assembly Diagram Base Cap 120 51 2 Handle 120 51 4 Top Cap 120 51 3 O ring 123 011 Cell Body 120 51 1 O ring 123 011 ...

Страница 76: ...lange 6 Screw Hex Head Cap 6 32 Long Qty 6 7 120 53 42 Bushing Qty 2 8 120 53 82 Retaining 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 53 03 Cell Cap 17 120 53 38 Retaining Ring Internal Qty 2 18 120 53 23 Diaphragm 19 123 011 O ring Qty 2...

Страница 77: ... 53 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 58 050 Drive Base 21 120 53 55 Thumb Scr...

Страница 78: ...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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