Found inside – Page 7920 Recent Publications In NBS Viscometer Calibrating Liquids and Capillary Tube Viscometers ( NBS Mono . 56 , 20 ¢ ) , R. C. Hardy discusses the measurement ... Found inside – Page 392For measurements calibration constant of the viscometer . within 15 ° to 100 ° C . ( 60 ° to 212 ° F . ) the S6.3.2 Apparatus . temperature of the bath ... Found inside – Page 67In our viscometer L was negligible , but the hydrostatic head was hy = 0.2 cm , the right bulb of the viscometer being higher than the left , so that ... Found inside – Page 128This appendix describes the materials and procedures used for calibrating or checking the calibration of viscometers ... Determine the efflux time to the nearest 0.1 sec by the procedure described in Section 6 , and calculate the viscometer ... Found inside – Page 185... time (t) (in seconds) by the viscometer calibration factor (C) (in mm/s2). ... viscosity by capillary viscometers is given in CEN EN 12595 (2007), ... Found inside – Page 111Each viscometer comes with a factory calibration at 38 ° C and is experimentally calibrated at 21 ° C . Temperature is maintained at 38 ° C using the ... Found inside – Page 9The ring to be calibrated is placed on a hardened block on the plate above the three rings and so located that when forces are applied to the rings by means ... Found inside – Page 7910 STANDARDS AND CALIBRATION NBS Laser Produces Interference Fringes over 200 ... Audit In NBS Viscometer Calibrating Liquids and Capillary Tube Viscometers ... Found inside – Page 12Viscometer Calibrating Liquids These oils are not intended for use as permanent ... This quantity is sufficient for the calibration of most viscometers . Found inside – Page 109In addition , results obtained with oil A in viscometer 1 at R = 28.2 and R ... of the calibration curve at the lower range of Reynolds numbers ( fig . Found inside – Page 88The viscometer's calibration constant must be known accurately at the temperature of the experiment. 5. The particular viscometer used must not be defective ... Found inside – Page 202In the absence of an online viscometer, calibration curves of [η]M (plotted on a logarithmic scale) versus retention volume can be constructed using narrow ... Found inside – Page 174Direct - Reading Viscometer AUTOMATIC SYSTEM FOR SPECTROMETRIC DATA. Calibration apparatus used for strain - measuring devices . The equipment employs an ... Found inside – Page 1049The Ostwald viscometer is one of the simplest capillary tube viscometer. ... This efflux time (t) is multiplied by the viscometer calibration constant to ... Found inside – Page 5MECHANICAL CALIBRATION Mechanical calibration of Mooney viscometers , although somewhat tedious , is a straightforward procedure that should not give undue ... Found inside – Page 128Calibration and Verification 8.1 Viscometers — Use only calibrated viscometers, thermometers, and timers as described in Section 6. Found inside – Page 34A prototype viscometer (3) of this type has been used to measure viscosities in the range of 1 to 50 million centipoises. Viscometer Calibration: The PRL ... Found inside – Page 125These values are used for calibrating certain types of viscometers. (1) Measurement of capillary viscometer The most widely used capillary viscometers are ... Found inside – Page 239-Inner cylinder Scale Calibration A falling ball viscometer allows us to ... then fluids of known viscosity can be used to calibrate other viscometers ... Found inside – Page 389For measurements calibration constant of the viscometer . within 15 ° to 100 ° C . ( 60 ° to 212 ° F . ) the S6.3.2 Apparatus . temperature of the bath ... Found inside – Page 271( a ) Calibration of Routine Viscometer by Means of Liquid Viscosity Standards . - Select from Table V or Table VI a ... Certificates for viscometers should state the value of g at the location of the calibrating laboratory . Failure to correct for gravity ... Found inside – Page 11Oils for Use as Viscometer Calibrating Liquids These oils are not ... A. For use with viscometers calibrated in units of absolute or kinematic viscosity . Found inside – Page 492A - Variable gap rotary viscometer VARIABLE GAP ROTARY VISCOMETER GEOMETRY ... Approximately 5 m# of one of the intermediate calibration oils is then ... Found inside – Page 22933( a ) The following viscometers have a Minus 55.3 to minus 52.5 . ... measurements . than the calibration temperature for resenting not more than 0.2 second ... Found inside – Page 31Viscometer Calibrating Liquids These oils are not intended for use as permanent ... as this quantity is sufficient for the calibration of most viscometers . Found inside – Page 124Standards of certified properties and purity - Continued Polystyrene molecular weight standards Viscometer calibrating liquids , CGS or Saybolt units Glass ... Found inside – Page 8CALIBRATING LIQUIDS Rotational viscometers can be designed to cover a much greater ... ASTM Committee D - 2 has undertaken to supply viscometer calibrating ... Found inside – Page 111Viscosity at 21 ° C and 38 ° C is determined using Cannon - Fenske type viscometers . Each viscometer comes with a factory calibration at 38 ° C and is ... Found inside – Page 91( q ) Standard oils for use as viscometer calibrating liquids . ... This quantity is sufficient for the calibration of most viscometers . This book is written for scientists involved in the calibration of viscometers. A detailed description for stepping up procedures to establish the viscosity scale and obtaining sets of master viscometers is given in the book. Found inside – Page 5In addition , results obtained with oil A in viscometer 1 at R = 28.2 and R ... of the calibration curve at the lower range of Reynolds numbers ( fig . Found inside – Page 111Viscosity at 21 ° C and 38 ° C is determined using Cannon - Fenske type viscometers . Each viscometer comes with a factory calibration at 38 ° C and is ... Found inside – Page 792010 5 0 5 10 20 AND Recent Publications In NBS Viscometer Calibrating Liquids and Capillary Tube Viscometers ( NBS Mono . Found inside – Page 15Viscometer Calibrating Liquids These oils are not intended for use as permanent ... This quantity is sufficient for the calibration of most viscometers . Found inside – Page 65421.6.1 Viscosity Calibration Viscosity standards are only defined for Newtonian ... This liquid is then used to calibrate the first standard viscometer. Found inside – Page 575A3.3.5 If the viscometer is used at a location other than the calibrating laboratory , the C constant should be corrected for the difference in the acceleration of gravity , g , at the two locations as follows : C = ( g / g ) x C. where : C , the calibration ... Found inside – Page 109In addition , results obtained with oil A in viscometer 1 at R = 28.2 and R ... of the calibration curve at the lower range of Reynolds numbers ( fig . Found inside – Page 19Calibration of Viscometers With a Reference Viscometer The preceding discussion has been written The advantages cited for this procedure are from the ... Found inside – Page 124Standards of certified properties and purity - Continued Polystyrene molecular weight standards Viscometer calibrating liquids , CGS or Saybolt units Glass ... Found inside – Page 355( b ) STORMER VISCOMETER The Stormer viscometer consists of a central rotor and a ... CALIBRATION OF VISCOMETERS Most of the viscometers used in routine ... Found inside – Page 100The standards also discussed about the viscometer alignment, viscometer calibration and viscosity calculation ASTM D446 Standard specifications and ... Found inside – Page 111Each viscometer comes with a factory calibration at 38 ° C and is experimentally calibrated at 21 ° C . Temperature is maintained at 38 ° C using the ... Found inside – Page 355( b ) STORMER VISCOMETER The Stormer viscometer consists of a central rotor and a ... CALIBRATION OF VISCOMETERS Most of the viscometers used in routine ... Found inside – Page 281The viscometer is then typically immersed in a constant temperature bath for a ... from calibration experiments using liquids with known η and ρ Thus, ... Found inside – Page 2-3Calibrate Pressure Gage Tester .. Calibrate Electronic Ice Point Standard . Calibrate Thermometer Set ... Calibrate Viscometer .. Calibrate Hydrometer . 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