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L-K Industries BENCHMARK S Manual

Heated laboratory centrifuge
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L-K INDUSTRIES
Demand a higher standard.
BENCHMARK S MANUAL
Heated Laboratory Centrifuge
To set the standard for
MANUFACTURING QUALITY
and customer
PETROLEUM TESTING
service in the
industry.
Petroleum Testing Equipment Suppliers Worldwide Since 1930

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Summary of Contents for L-K Industries BENCHMARK S

  • Page 1 L-K INDUSTRIES Demand a higher standard. BENCHMARK S MANUAL Heated Laboratory Centrifuge To set the standard for MANUFACTURING QUALITY and customer PETROLEUM TESTING service in the industry. Petroleum Testing Equipment Suppliers Worldwide Since 1930...
  • Page 2 During the one-year warranty period, L-K Industries shall repair or replace defective equipment free of charge. L-K Industries shall only be liable for repairs or replacements if L-K is contacted immediately following discovery of defect(s).

  • Page 3: Table Of Contents

    www.lk-ind.com Table of Contents GETTING STARTED Introduction and Safety Precautions Installation Electrical Connection OPERATION Loading and Powering On Heated Operation Motor Operation Timer Operation MAINTENANCE Replacement Parts & Repair Services Housekeeping Replacement of Fuses TROUBLESHOOTING Common Issues Motor Lid and Door Assembly APPENDICES Appendix A: RCF/RPM Conversions** Appendix B: Wiring &...

  • Page 4: Getting Started

    Getting Started Introduction and Safety Precautions The Benchmark S Heated Centrifuge is intended for general use in test laboratories and refineries, where Class I, Division 2 certification is not required. It operates on 120/240VAC, and comes completely assembled and ready for installation. A power cord can be purchased separately if the unit will not be hard-wired.

  • Page 5: Installation

    www.lk-ind.com Getting Started Installation For best results, the centrifuge should be housed in a controlled environment. It is recommended that the centrifuge be secured to the benchtop, table, stand etc. using the hardware supplied. Allow for optimum working clearance around the unit. Mount centrifuge loosely with larger holes in the tabletop, to allow room for slight movement of centrifuge.

  • Page 6: Electrical Connection

    In geographical regions where power load is prone to fluctuation, power conditioning is recommended to filter out reductions and spikes in power. Failure to do so may void the warranty on the unit. Contact L-K Industries for power/line conditioner recommendations (hard-wire and plug-in options).

  • Page 7: Operation

    Operation This unit and all L-K Industries sample tubes are designed and fabricated in compliance with API & ASTM standards. For optimal results, L-K Industries sample tubes (along with matching shields, cushions and collars) should be used. Verified and certified tubes are also available.

  • Page 8: Heated Operation

    • Verify that the trunnion arm has come to a complete stop. Remove samples and close the door. Keep the door closed at all times, as this minimizes heat loss. • Contact the L-K Industries Tech Helpline for instructions for manually bypassing the locking mechanism. The manual bypass should ONLY be done to verify centrifuge speed.

  • Page 9: Maintenance

    Distribution Partner. L-K Industries also repairs and rebuilds all centrifuge models. For estimates and repairs, first obtain a RMA (return merchandise authorization) number from L-K Industries. Then ship the unit to L-K Industries with a description of any problems and include billing information (unless under warranty), return shipping address and a main contact.

  • Page 10: Troubleshooting

    If the motor does not run when the “PUSH TO RUN” button is pushed, make sure the power to the motor is on (green indicator light is on) and the sliding door is completely closed. In addition, check the fuses in the front panel. Contact the L-K Industries Tech Helpline if assistance is needed in checking fuses.

  • Page 11: Appendices

    www.lk-ind.com Appendices Appendix A: RCF/RPM Conversions** TUBE M1ODEL/ RPM* RPM* RPM* RPM* DIST. TIP-TO-TIP @500 RCF @600 RCF @700 RCF @800 RCF “A”/16.00” 1480 1620 1750 1870 “B”/17.75 1410 1540 1660 1780 “C”/19.25” 1350 1480 1600 1710 “D”/18.50” 1380 1510 1630 1740 *RPM =265×√(RCF/D), where D = tip-to-tip tube diameter in inches...
  • Page 12 L-K INDUSTRIES is proud to work with Amazon: www.amazon.com Cole-Parmer: www.coleparmer.com DC Scientific: www.dcscientific.com) Grainger: www.grainger.com) Midland Scientific: www.midlandsci.com) Parkes Scientific: www.parkesscientific.com) Catalog © 2016 L-K Industries All Rights Reserved...

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