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Glass Viscometers

Need to find that special viscometer tube for your sample? At PSL Rheotek we carry stock of the standard glass viscometer tubes as per ASTM, ISO, DIN etc. Save money by buying directly from the manufacturer.

PSL Rheotek glass viscometers are mouth blown from low-expansion borosilicate glass tubing in our glassblowing workshop in Essex. The precision bore used for the capillary section is held to the close tolerance of ± 0.01mm. Glass viscometers are clearly marked with timing lines and other inscriptions as well as a unique serial number. A glass bridge is provided to give additional strength and the finished instrument is fully annealed.

For measuring transparent liquids, we recommend the ASTM Ubbelohde viscometer. The constant of this viscometer is temperature independent. Designed with an air arm, which has access to atmoshpere, the ASTM Ubbelohde Viscometers returns accurate results using an approximate quantity of sample. All sizes of Ubbelohde Viscometers are available for next day despatch from our warehouse.

For measuring opaque liquids, we recommend the U-Tube reverse flow viscometer.

Please give us a ring on +44 (0) 1621 787 100 to discuss your requirement in the field of glass viscometers.

All glass viscometers from PSL Rheotek are supplied complete with a UKAS (ISO 17025)  Certificate of calibration, laboratory No. 0247. A copy of the scope of accreditation may be seen here. All certificates are fully traceable to the Master Viscometer Scale held at PSL Rheotek. Production tubes are calibrated directly against Master References in the on-site laboratory.

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  • ASTM Ubbelohde Viscometer

    ASTM Ubbelohde Viscometer

    ASTM Ubbelohde Viscometer PSL-Rheotek

    Part No. 1643
    • Suitable for measuring transparent liquids. High precision & easy to use.
    • Nominal overall length 283 mm; approximate sample volume 18 ml.
    • Complete with UKAS certificate of calibration (ISO 17025), laboratory No. 0247

    ASTM Ubbelohde Specifications: ASTM D446, ISO 3105, IP 71 Part 2, BS188

    ASTM Ubbelohde Test Methods: ASTM D445, ISO 3014, IP 71 Part 1, BS 188

    Learn More
    $227.60

  • U-Tube Viscometers

    U-Tube Viscometers

    U-Tube Viscometers PSL-Rheotek

    PSL Rheotek U-Tube viscometers are suitable for measuring transparent liquids.
    Type BS/U - Nominal overall length 300 mm, approximate sample volume 13-40 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    U-Tube Viscometer Specifications:

    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    U-Tube Viscometer Test Methods:
    ASTM D445, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1619

    Learn More
    $254.18

  • Recalibration Services

    Recalibration of Reverse Flow Viscometer

    Supplied complete with ISO 17025 Certificate of calibration Price valid for constants up to 10 Lead time: 2-4 weeks Sample certificate available below. When ordering this service, please download customer checklist below.

    • BSU Reverse Flow

    • Cannon-Fenske Opaque

    • Zeitfuhcs Cross-Arm

    • Shell Pattern Reverse Flow

    Learn More
  • Canon-Fenske Routine

    Cannon-Fenske Routine Viscometers

    Cannon-Fenske Routine Viscometers PSL-Rheotek

    PSL Rheotek Cannon Fenske Routine Viscometers are suitable for measuring transparent liquids

    Calibration data stated at 40 & 100ºC. Calibration data at 50ºC supplied on request at no extra charge.

    Nominal overall length 250 mm; approximate sample volume 7 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    Cannon-Fenske Routine Specifications:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    Cannon-Fenske Routine Test Methods:
    ASTM D445, ISO 3104, IP 71 Part 1, BS 188

    Part No. 1634

    Learn More
    $172.87

  • U Tube Reverse Flow Viscosimeters

    U-Tube Reverse Flow Viscometers

    U-Tube Reverse Flow Viscometers PSL-Rheotek 

    PSL Rheotek U-Tube Reverse Flow Viscometers are suitable for measuring opaque liquids. 

    Type BS/IP/RF. Nominal overall length 275 mm; approximate sample volume 12-25 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    U-Tube Reverse Flow Viscometer Specifications:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    U-Tube Reverse Flow Viscometer Test Methods:
    ASTM D445, ISO 3014, IP 71 Part 1, BS 188.

    Part No. 1637

    Learn More
    $261.35

  • Cannon-Fenske Opaque

    Cannon-Fenske Opaque Viscometers

    Cannon-Fenske Opaque Viscometers PSL-Rheotek

    Suitable for measuring opaque liquids.
    Calibration data stated at 40 & 100ºC.
    Nominal overall length 295 mm; approximate sample volume 12 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    Specifications:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    Test Methods:
    ASTM D445, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1641

    Learn More
    $197.44

  • Zeitfuchs Cross-Arm Viscometers

    Zeitfuchs Cross-Arm Viscometers

    Zeitfuchs Cross-Arm Viscometers PSL-Rheotek

    Type ASTM –  Zeitfuchs Cross Arm Viscometer nominal overall length 295 mm; approximate sample volume of viscometer up to 3 ml. Suitable for measuring transparent and opaque liquids. Recommended for low volume samples. Specified in Bitumen testing method ASTM D2170. 


    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    Specifications of Zeitfuchs Cross Arm Viscometers:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    Test Methods:
    ASTM D445, ASTM D2170, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1663

    Learn More
    $363.06

  • Suspened-Level Viscometers, Shortened Form

    Suspended-Level, Shortened Form Viscometers

    Suspended-Level, Shortened Form Viscometers PSL-Rheotek

    Suitable for measuring transparent liquids.
    Type BS/IP/SL – Nominal overall length 250mm; approximate sample volume 10 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    Specifications:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    Test Methods:
    ASTM D445, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1628

    Learn More
    $254.18

  • Pinkevitch Viscometer

    Pinkevitch Viscometers

    Pinkevitch Viscometers PSL-Rheotek

    PSL Rheotek Pinkevitch Viscometers are suitable for measuring transparent liquids. The Nominal overall length of the viscometers are 269 mm. Approximate sample volume 10 ml. 
    The viscometers are supplied complete with UKAS Certificate of calibration (ISO 17025). Laboratory No. 0247.

    Specifications:
    GOST 33-53

    Test Methods:
    ASTM D445 IP-71, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1669

    Learn More
    $372.61

  • Suspended-Level Viscometer

    Suspended-Level Viscometers

    Suspended-Level Viscometers PSL-Rheotek

    PSL Rheotek Suspended-Level Viscometers are suitable for measuring transparent liquids.
    Type BS/IP/SL – Nominal overall length 330mm; approximate sample volume 22-40 ml.
    Complete with UKAS certificate of calibration (ISO 17025). Laboratory No. 0247.

    Suspended-Level Viscometer Specifications:
    ASTM D446, ISO 3105, IP 71 Part 2, BS188

    Suspended-Level Viscometer Test Methods:
    ASTM D445, ISO 3014, IP 71 Part 1, BS 188

    Part No. 1625

    Learn More
    $254.18

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