SI Analytics 52503 Ubbelohde Viscometer ASTM Normal Form 0c Capillary 285400518-Labcan Scientific

Product Description

Calibrated for manual measurements, capillary no. 0C, constant K = 0.003

SI Analytics 52503 Ubbelohde Viscometer, normal form ASTM (Part No.285400518) is a German-manufactured suspended-level glass capillary viscometer, designed for precise determination of kinematic viscosity and intrinsic viscosity oflow-viscosity transparent Newtonian fluids.

Fabricated from premium DURAN borosilicate glass, this ASTM standard Ubbelohde viscometer strictly follows ASTM D446 and ISO 3105 specifications. The 0c capillary offers a measuring range of 0.2–1 cSt, optimized for low-viscosity liquid samples.

The suspended-level structural feature enables measurement independent of filling volume, delivering excellent repeatability, especially ideal for serial dilution tests of polymer solutions. Permanently etched timing ring marks support reliable manual timing measurement. It can be matched with thermostatic baths and SI Analytics automatic viscosity measuring instruments to satisfy routine laboratory quality control and academic research measurement requirements. Every viscometer is individually calibrated in Germany and supplied with official calibration constant and certificate.

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Product Parameters

Specification	Details
Brand	SI Analytics (Xylem Analytics Germany GmbH, formerly Schott Instruments)
Model Code	52503
Article No. / Part Number	285400518
Product Type	Normal Form ASTM Ubbelohde Viscometer (Suspended-level Capillary Viscometer)
Capillary Size	0c
Capillary Inner Diameter	0.36 mm
Viscosity Constant K	0.003 mm²/s²
Kinematic Viscosity Measuring Range	0.2 ~ 1 mm²/s (cSt)
Recommended Minimum Flow Time	≥200 s
Required Sample Volume	15–20 mL
Compliance Standards	ASTM D446, ASTM D2515, ISO 3105
Applicable Samples	Transparent Newtonian liquids (low viscosity)
Material	DURAN® Borosilicate Glass
Overall Length	approx. 285 mm
Factory Configuration	Individually factory calibrated, supplied with official viscosity constant K certificate
Compatible Equipment	Constant-temperature baths, ViscoClock plus, AVS series automatic viscosity measuring systems

Product Feature

• German-made DURAN borosilicate glass, excellent chemical & thermal stability

• ASTM normal form geometry, fully compliant with ASTM D446 and ISO 3105

• Suspended-level design, eliminates volume error for serial dilution experiments

• Capillary 0c, dedicated for low-viscosity samples: measuring range 0.2–1 cSt

• Individually factory calibrated, supplied with official constant K certificate

• Permanent etched timing marks for stable manual visual reading

• Compatible with manual timing and AVS / ViscoClock plus automatic systems

• Measurement data traceable, suitable for formal international test reports

Precision hand-blown DURAN borosilicate glass construction delivers strong resistance to thermal shock and most common laboratory solvents. Standard ASTM normal-form configuration ensures consistent test results and complete data traceability to meet international testing specification requirements. The unique suspended-level design eliminates measurement deviations caused by inconsistent filling volume, greatly simplifying repeated dilution analysis for polymer research. Each viscometer undergoes separate calibration in Germany, with documented viscosity constant K for direct viscosity calculation. Optimized 0c capillary bore ensures stable laminar flow within low viscosity interval of 0.2–1 cSt. Clear permanent etched timing rings avoid abrasion and guarantee accurate reading in long-term usage. It supports both manual stopwatch measurement and automated detection with SI Analytics viscosity instruments, widely adopted in industrial QC laboratories, third-party testing institutions and university material research labs focusing on low-viscosity liquid characterization.

SI Analytics 52503 Ubbelohde Viscometer, ASTM normal form, Capillary 0c, Part No.285400518. Measuring range 0.2–1 cSt, complies with ASTM D446 & ISO 3105. Calibrated glass capillary viscometer for low-viscosity transparent Newtonian liquids.