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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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Warranty and 

Return Policy

Warranty:

OFI Testing Equipment, Inc. (OFITE) warrants that the products shall be free from liens and defects in 

title, and shall conform in all respects to the terms of the sales order and the specifications applicable 

to the products. All products shall be furnished subject to OFITE’s standard manufacturing variations 

and practices. Unless the warranty period is otherwise extended in writing, the following warranty shall 

apply: if, at any time prior to twelve (12) months from the date of invoice, the products, or any part 

thereof, do not conform to these warranties or to the specifications applicable thereto, and OFITE is 

so notified in writing upon discovery, OFITE shall promptly repair or replace the defective products. 

Notwithstanding the foregoing, OFITE’s warranty obligations shall not extend to any use by the buyer 

of the products in conditions more severe than OFITE’s recommendations, nor to any defects which 

were visually observable by the buyer but which are not promptly brought to OFITE’s attention.
In the event that the buyer has purchased installation and commissioning services on 

applicable products, the above warranty shall extend for an additional period of twelve 

(12) months from the date of the original warranty expiration for such products.

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 provided in this clause shall be exclusive of any other warranties 

including ANY IMPLIED OR STATUTORY WARRANTIES OF FITNESS FOR PURPOSE, 

MERCHANTABILITY, AND OTHER STATUTORY REMEDIES WHICH ARE WAIVED.
This limited warranty does not cover 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 by a third party

• 

Consumable parts (bearings, accessories, etc.)

Returns and Repairs:

Items being returned must be carefully packaged to prevent damage in 

shipment and insured against possible damage or loss. OFITE will not be 

responsible for equipment damaged due to insufficient packaging.

Any non-defective items returned to OFITE within ninety (90) days of invoice are subject to a 

15% restocking fee. Items returned must be received by OFITE in original condition for it to 

be accepted. Reagents and special order items will not be accepted for return or refund.

OFITE employs experienced personnel to service and repair equipment manufactured by us, as 

well as other companies. To help expedite the repair process, please include a repair form with all 

equipment sent to OFITE for repair. Be sure to include your name, company name, phone number, 

email address, detailed description of work to be done, purchase order number, and a shipping address 

for returning the equipment. All repairs performed as “repair as needed” are subject to the ninety (90) 

day limited warranty. All “Certified Repairs” are subject to the twelve (12) month limited warranty.

Returns and potential warranty repairs require a Return Material Authorization (RMA) 

number. An RMA form is available from your sales or service representative.

Please ship all equipment (with the RMA number for returns or warranty repairs) to the following address:

OFI Testing Equipment, Inc. 

 

Attn: Repair Department 

 

11302 Steeplecrest Dr. 

 

Houston, TX 77065

 

USA

OFITE also offers competitive service contracts for repairing and/or maintaining your lab 

equipment, including equipment from other manufacturers. For more information about 

our technical support and repair services, please contact [email protected].

Summary of Contents for 150-80

Page 1: ...r 150 80 115V 150 80 1 230V Software Version 3 09 0 Instruction Manual Updated 6 28 2018 Ver 6 0 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Tele 832 320 7300 Fax 713 880...

Page 2: ...Software 6 Zeroing the Channels 8 Calibration 9 Starting a Test 10 Setup 12 Analog Input 13 Operation 14 Sample Data 15 Graph 1 16 Graph 2 17 Graph 3 18 Graph 4 19 Compactor 20 Assembly 20 Making Wafe...

Page 3: ...riable Differential Transducer LVDT measures the expansion of the wafer in the vertical direction accuracy to 0 1 and this information is then stored as a function of time via the data acquisition sys...

Page 4: ...up 150 80 036 Cap for Wafer Tube 150 80 064 LVDT 150 80 094 Cable LVDT to Swell Meter 150 83 Stirring Hot Plate 120 Volt Only 150 84 Stirring Hot Plate 230 Volt Only 152 37 AC Power Cord 3 Conductor 1...

Page 5: ...ge 26 Adjust the height of the head assembly such that there is a small gap approximately 5 mm between the bottom of the nut on the spindle and the body of the LVDT without a wafer inserted into the c...

Page 6: ...s located on the back of the Swell Meter are in the OFF position and make the necessary electrical connections in accordance to local codes Ensure that the unit is grounded 7 Make sure the computer is...

Page 7: ...or later choose Swell Meter V2 If you are not sure look at the cable connecting the computer to the Swell Meter If it is a flat wide ribbon cable select Swell Meter If it is a standard USB cable sele...

Page 8: ...r has been configured to run eight cells instead of just four you will need to change the Number of Cells Available option on the Setup screen to 8 This will enable to software to run all eight cells...

Page 9: ...swell during the test 1 Click the Zero Start Stop button 2 Repeat the following steps for each channel to be tested a Enter a test name and any comments b Place two screens into a fully assembled cup...

Page 10: ...ing on the bottom of the cup 2 In the Swell Meter software select Calibration from the Options menu 3 Choose the cell you want to calibrate and click the Calibrate Cell button Calibration Block 150 80...

Page 11: ...Place a screen on both sides of the compacted wafer and insert it into the wafer tube with the transfer stand on top of it 4 Place the LVDT spindle on top of the transfer stand 5 Click the Zero Start...

Page 12: ...that was recorded when the channel was zeroed This value is subtracted from the current raw distance reading to calculate the corrected distance inches mm Init Samp This is the initial distance of th...

Page 13: ...alue in this field is set to 0 0010 a data point will be recorded whenever the corrected distance changes by more than 0 001 Units are determined by the Distance Unit field below Swell To record a dat...

Page 14: ...rease in temperature To test the transducer move it up and down and observe the graph The distance line should move accordingly If the graph does not react as expected the communication between the Sw...

Page 15: ...in the cap 7 Turn on left knob the heated magnetic stirrer To heat the fluid sample turn the right knob and read the temperature in the Temp field in the software The maximum temperature of the hot pl...

Page 16: ...erred to as Rev Dust The wafers were compressed at 6 000 PSI for 30 minutes The results and interpretation of the graphs using micro and macro temporal criteria clearly explain the following phenomena...

Page 17: ...ol acted as the better shale stabilizer exceeding all other fluids The amount of expansion stayed in a straight line of zero slope indicating a very positive balanced activity resulting in an ideal co...

Page 18: ...x 713 880 9886 www ofite com 17 Sample Data Graph 2 Graph No 2 shows results obtained over an 8 hour time period and shows in greater detail the changes that occurred between the base fluids prior to...

Page 19: ...confirming an immediate interaction between the clay and the fluid bases The potassium acetate fluid initially showed the highest rate of expansion of the shale and this state continued up to around...

Page 20: ...te interaction between the clay and the fluid The fresh water initially showed the least amount of hydration of the four bases The yellow curve of potassium acetate had the highest rate of expansion a...

Page 21: ...ed vessel capable of very high pressures extreme care should always be taken by the operator and anybody that is nearby The Compactor can make two wafers at a time Since the Compactor does not require...

Page 22: ...rt the assembly and pour the sample to be tested into the small opening of the cell body The amount should not be less than 10 grams and not more than 20 grams 3 Insert the thin 14 mm spacer in the ce...

Page 23: ...umping the hand pump handle will apply pressure to the Compactor The pedestal base and the cell assembly will begin rising in the Compactor Observe the pressure gauge on the front of the Compactor and...

Page 24: ...and the spacer from the opposite end of the cell body 7 Drop the tall 20 mm spacer and position it in place where the thin spacer had been Re position the piston as before 8 Replace the cell assembly...

Page 25: ...crest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 24 Drawings Cup Assembly Brass Weight Optional Transfer Stand Cap for Wafer Tube Bottom Plate Teflon Washer Wafer Tube Mag...

Page 26: ...OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 25 Drawings Head Assembly...

Page 27: ...OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 26 Drawings Main Assembly Cup Assembly Magnetic Stirrer Head Assembly...

Page 28: ...OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 27 Drawings Wafer Die Specimen Removal Specimen Creation...

Page 29: ...ny 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 hea...

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