Gardco EZ ZAHN Dip Viscosity Cup Series Instruction Manual
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Gardco EZ ZAHN Dip Viscosity Cup Series Instruction Manual

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®
A BYK Instrument Company
EZ™/Zahn Dip Viscosity Cup
Instruction Manual
Calibrated Viscosity Cups Designed, Produced & Sold by
Paul N. Gardner
Parlin Viscosity Cup
Standard Ford Viscosity Cup
I.S.O. Viscosity Cup
Din Viscosity Cup
Fisher Standard Cup
Standard Ford Dip Viscosity Cup
Mini Ford Dip Viscosity Cup
Mini I.S.O. Dip Viscosity Cup
Mini Din Dip Viscosity Cup
Fisher Dip Viscosity Cup
EZ™ ZAHN (ASTM) Dip Viscosity Cup
S-90 ZAHN Signature Dip Viscosity Cup
316 NE 1st Street • Pompano Beach, FL 33060
Phone (954) 946-9454 • FAX (954) 946-9309
www.gardco.com • email: gardner@gardco.com
PU-G201 Copyright April 6, 1998 Rev: 12 8/13/19

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  • Page 1 EZ™ ZAHN (ASTM) Dip Viscosity Cup S-90 ZAHN Signature Dip Viscosity Cup 316 NE 1st Street • Pompano Beach, FL 33060 Phone (954) 946-9454 • FAX (954) 946-9309 www.gardco.com • email: gardner@gardco.com PU-G201 Copyright April 6, 1998 Rev: 12 8/13/19...
  • Page 2 The increased separation width of the support rods by over 20% and the lowering of weld to the cup provide best possible conditions for cleaning. ® EZ™ is a DEVELOPED AND MANUFACTURED BY PAUL N. GARDNER (GARDCO Registered Trademark of Paul N. Gardner Paul N. Gardner • www.gardco.com • (954) 946-9454...

  • Page 3: Technical Information

    fl ow through the orifi ce. A high density material will fl ow from a cup in a shorter time than a low density material of the same viscosity. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 4 Take the square root of this value, which is 866 and add 825 for a total of 1691. Divide 1691 by 47.12 and the result is 35.90 SECONDS, the effl ux time value of 825 CENTISTOKES from this cup. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 5 National Institute of Standards and Technology. Guide for removing the G-series calibrating oil from Gardco Viscosity Cups Any remaining material in the cup must be removed by fl ushing with a suitable solvent. Light naphtha, hep- tane, octane, highly aromatic solvents, and or any other petroleum-derived hydrocarbon solvent can be used.

  • Page 6: Conversion Table

    0.6 column. The value at the intersection is 111.3 centistokes. The tables may be read in reverse to fi nd effl ux time in seconds from a known centistoke value. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 7 ±2.0°C the variation of the viscosity with temperature may not be truly linear and any thinning materials used to adjust viscosity may also change the rate of this variation. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 8 fluids. Solvent washings from these viscometers should not be used for cleaning other viscometers. Gardco produced viscosity cups are calibrated with standard “G” series oils. These standard calibration oils prepared expressly by the Cannon Instrument Company for the Paul N. Gardner company are produced with an ISO 9001 certified Quality Management System, comply with the requirements and guidance of ISO 17034 and the quality control is done from an ISO/IEC 17025 accredited laboratory.
  • Page 9 VI-VCC Viscosity Cup Equivalent Wall Chart ..........FREE Equivalent Charts cover Gardco Calibrated Viscosity Cups and are based on conversion formulas of a type & with parameters as referenced in The Encyclopedia of Polymer Science & Engineer- ing (Vol. 4, Second Edition, John Wiley & Sons, Inc.). Standard oils traceable to the National Institute of Standards &...
  • Page 10 USE OF STANDARD OILS Recommended use of a standard oil to check the calibration of a Gardco produced viscosity cup is as follows: Conversion formulas are either provided with the cup to be checked or are available for the cup.
  • Page 11 VISCOSITY Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 12 10 to 20 degrees lower than measuring temperature and continue gentle stirring while the temperature slowly lowers. With a little practice it is possible to make measurements very close to the target temperature. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 13 If there is valid reason to question the original value of the standard, it should be replaced. The below listed standards are used by the producer of Gardco viscosity cups not only to calibrate the cups but also to certify such calibration under ANSI/NCSL Z540 or ISO/IEC 17025, compliant with requirements and guidance of ISO 17034 and ISO 9001, which is available as an extra cost service.
  • Page 14 VISCOSITY CLEANING VISCOSITY CUPS AFTER USE Guide for removing the G-series calibrating oil from Gardco viscosity cups Any remaining material in the cup must be removed by fl ushing with a suitable solvent. Light naphtha, heptane, octane, highly aromatic solvents, and or any other petroleum-derived hydrocarbon solvent can be used.
  • Page 15 B. The Conversion Grid sheet (for cup chosen) to convert seconds effl ux time (to nearest tenth of a second) to centistoke viscosity. Every Gardco Cup is furnished with such a data sheet. C. One pint of certifi ed calibration oil (appropriate to cup chosen, see chart below)
  • Page 16 * The Design Drain Time in seconds can be calculated by taking the Kinematic viscosity that can be found on the label of your Certifi ed viscosity standard oil label and by using the conversions formula found in your manual, the design drain time can be calculated using the relevant formula. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 17 fi rst use, provided it does not become contaminated. CLEANING VISCOSITY CUPS AFTER USE Guide for removing the G-series calibrating oil from Gardco viscosity cups Any remaining material in the cup must be removed by fl ushing with a suitable solvent. Light naphtha, heptane, octane, highly aromatic solvents, and or any other petroleum-derived hydrocarbon solvent can be used.
  • Page 18 For Laboratory Use or Download the spreadsheet from our website www.gardco.com Equivalent Charts cover GARDCO Calibrated Viscosity Cups and are based on conversion formulas of a type & with parameters as referenced in The Encyclopedia of Polymer Science & Engineering (Vol.
  • Page 19 25.1°C.) Promptly clean the cup unless it will be used immediately for a rerun of the same material. (Use a length of nylon fi shing line to clean the orifi ce.) Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 20 find efflux time seconds when viscosity is known. ™ The EZ series of five viscosity cups are produced, calibrated and sold only by the Paul N. Gardner company and authorized distributors. © Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 21 34.8 34.9 35.0 35.1 35.3 35.4 35.5 35.6 35.7 35.8 36.0 36.1 36.2 36.3 36.4 36.5 36.6 36.8 36.9 37.0 Example: 50.4 Seconds = 24.4 Centistokes. ©Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 22 find efflux time seconds when viscosity is known. ™ The EZ series of five viscosity cups are produced, calibrated and sold only by the Paul N. Gardner company and authorized distributors. © Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 23 152.5 152.8 153.1 153.4 153.7 154.0 154.3 154.6 154.9 155.2 155.6 155.9 156.2 156.5 156.8 157.1 157.4 157.7 158.0 158.3 ©Copyright 1987 Paul N. Gardner Co Example: 53.8 Seconds = 136.8 Centistokes. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 24 find efflux time seconds when viscosity is known. ™ The EZ series of five viscosity cups are produced, calibrated and sold only by the Paul N. Gardner company and authorized distributors. © Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 25 VISCOSITY CUP #3 ™ EFFLUX TIME - CENTISTOKES CONVERSION TABLE © 10/95 (Accurate for True Liquids Only) SECONDS > VISCOSITY IN CENTISTOKES Example: 45.5 Seconds = 446 Centistokes. ©Copyright 1987 Paul N. Gardner Co. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 26 find efflux time seconds when viscosity is known. ™ The EZ series of five viscosity cups are produced, calibrated and sold only by the Paul N. Gardner company and authorized distributors. © Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 27 VISCOSITY CUP #4 ™ EFFLUX TIME - CENTISTOKES CONVERSION TABLE © 10/95 (Accurate for True Liquids Only) SECONDS VISCOSITY IN CENTISTOKES > Example: 45.9 Seconds = 594 Centistokes. ©Copyright 1987 Paul N. Gardner Co. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 28 find efflux time seconds when viscosity is known. ™ The EZ series of five viscosity cups are produced, calibrated and sold only by the Paul N. Gardner company and authorized distributors. © Copyright 1987, Paul N. Gardner Company Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 29 1377 1380 1382 1385 1387 1389 1392 1394 1396 1399 1401 1404 1406 1408 1411 1413 1415 1418 1420 1423 Example: 45.3 Seconds = 1051 Centistokes. ©Copyright 1987 Paul N. Gardner Co. Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 30 GARDCO Mini DIN Dip Cup ...........4mm Cup GARDCO Fisher Dip Cups ........ #1, #2, #3 and #4 Cups GARDCO EZ™ Zahn (ASTM) Dip Cups ..#1, #2, #3, #4 and #5 Cups GARDCO S90 Zahn Signature Dip Cups ..#1, #2, #3, #4 and #5 Cups...
  • Page 31 25 DEGREES DEGREES CELSIUS Gardco produced viscosity cups are calibrated with standard "G" Series oils. Centistoke viscosity of these oils is traceable to the National Institute of Standards and Technology. These oils are available from the Paul N. Gardner company.
  • Page 32 EFFLUX TIME IN SECONDS — TEMPERATURE GARDCO EZ™ CUP #2 G-60 STANDARD OIL 47.92 SECONDS 118.6 CENTISTOKES 25 DEGREES DEGREES CELSIUS GARDCO EZ™ CUP #3 G-200 STANDARD OIL 46.70 SECONDS 458.6 CENTISTOKES 25 DEGREES DEGREES CELSIUS Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 33 EFFLUX TIME IN SECONDS — TEMPERATURE GARDCO EZ™ CUP #4 G-200 STANDARD OIL 36.00 SECONDS 458.6 CENTISTOKES 25 DEGREES DEGREES CELSIUS GARDCO EZ™ CUP #5 G-350 STANDARD OIL 38.06 SECONDS 877.2 CENTISTOKES 25 DEGREES DEGREES CELSIUS Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 34 TEMPERATURE SCALE CONVERSION VISCOSITY BETWEEN CELSIUS AND FAHRENHEIT DEGREES DEGREES CELSIUS FAHRENHEIT CELSIUS FAHRENHEIT 23.6 74.5 20.0 68.0 23.7 74.7 20.1 68.2 23.8 74.8 20.2 68.4 23.9 75.0 20.3 68.5 24.0 75.2 20.4 68.7 24.1 75.4 20.5 68.9 24.2 75.6 20.6 69.1 24.3...
  • Page 35 ISO/IEC 17025 AS APPLICABLE CALIBRATION OILS TRACEABLE TO N.I.S.T. GARDCO-produced viscosity cups are calibrated with standard "G" Series oils. Centistoke viscosity of these oils is traceable to the National Institute of Standards and Technology. These standard oils, prepared expressly by the Cannon Instrument Company for the Paul N.
  • Page 36 CONVERSION BETWEEN CENTISTOKES “V” AND CUP DRAIN SECONDS "T": √ ÷ ÷ V = KT – C T or T = ( V + V + 4KC ) WHERE “K” AND “C” ARE THE ABOVE LISTED CONSTANTS Paul N. Gardner • www.gardco.com • (954) 946-9454...
  • Page 37 316 N.E. FIRST ST., POMPANO BEACH, FL 33060 PHONE: (954) 946-9454 • FAX (954) 946-9309 www.gardco.com • email: gardner@gardco.com...
  • Page 38 1.0MM - 6 TEETH 1.0MM - 11 TEETH 1.5MM - 11 TEETH 2.0MM - 6 TEETH 3.0MM - 6 TEETH 5.0MM - 5 TEETH INCH INCH 3/32 - 4 TEETH .002 3/32 Paul N. Gardner • www.gardco.com • (954) 946-9454...

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