CANNON 9721-A50 CFRU- 25 Cannon-Fenske Routine Viscometer, Size 25, UNCALIBRATED
CANNON 9721-A50 CFRU- 25 Cannon-Fenske Routine Viscometer
CFRU- 25 Cannon-Fenske Routine Uncalibrated
SKU# 9721-A50
Cannon Instruments
Overview: Cannon-Fenske Routine Viscometer, size 25, UNCALIBRATED
The Cannon-Fenske Routine Viscometer measures kinematic viscosity of transparent Newtonian liquids according to ASTM D445 and ISO 3104. Minimum sample volume is 7 mL. Minimum bath depth is 203 mm (8 in).
This is an uncalibrated viscometer. Calibrated viscometer is also available, see 9721-B50.
Holder is sold separately. For holders, see 9726-M50 and 9726-M53.
Specification
Method: ASTM D445/D446
CANNON-Fenske RoutineViscometers
| Catalog Number | Size | Approximate Constant (mm²/s²) |
Viscosity Range (mm²/s)† | ||
|---|---|---|---|---|---|
| Uncalibrated | Calibrated | Low | High | ||
| 9721-A50 | 9721-B50 | 25 | 0.002 | 0.5 | 2.0 |
| 9721-A53 | 9721-B53 | 50 | 0.004 | 0.8 | 4.0 |
| 9721-A56 | 9721-B56 | 75 | 0.008 | 1.6 | 8.0 |
| 9721-A59 | 9721-B59 | 100 | 0.015 | 3.0 | 15 |
| 9721-A62 | 9721-B62 | 150 | 0.035 | 7.0 | 35 |
| 9721-A65 | 9721-B65 | 200 | 0.1 | 20 | 100 |
| 9721-A68 | 9721-B68 | 300 | 0.25 | 50 | 250 |
| 9721-A71 | 9721-B71 | 350 | 0.5 | 100 | 500 |
| 9721-A74 | 9721-B74 | 400 | 1.2 | 240 | 1200 |
| 9721-A77 | 9721-B77 | 450 | 2.5 | 500 | 2500 |
| 9721-A80 | 9721-B80 | 500 | 8.0 | 1600 | 8000 |
| 9721-A83 | 9721-B83 | 600 | 20 | 4000 | 20000 |
| 9721-A86 | 9721-B86 | 650 | 45 | 9000 | 45000 |
| 9721-A89 | 9721-B89 | 700 | 100 | 20000 | 100000 |
† Viscosity ranges in mm²/s represent flow times of 250 to 1000 seconds for size 25 and 200 to 1000 seconds for all other sizes
The Cannon-Fenske Routine Uncalibrated Viscometer is a precision glass capillary viscometer designed for measuring the kinematic viscosity of transparent Newtonian liquids. It is widely used in laboratories for testing lubricating oils, fuels, solvents, and other clear liquid samples, in accordance with ASTM D445, ASTM D446, and ISO 3104 standards.
The Uncalibrated version is supplied without a certified calibration constant, allowing users to perform their own calibration based on specific laboratory requirements. Once calibrated, it delivers accurate, reliable, and repeatable viscosity measurements for quality control, research, and analytical applications.
Key Features
- Precision glass capillary construction for accurate measurements.
- Designed for transparent Newtonian liquids.
- Compliant with ASTM D445, ASTM D446, and ISO 3104 standards.
- Available in a wide range of capillary sizes to cover various viscosity ranges.
- Ideal for research laboratories, educational institutions, and industrial quality control.
- Requires calibration before use in certified testing applications.
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