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Description
Falling Number Test TubeStandard Dimension Falling Number Test Tube (Glass Viscometer Tube) 21 221 mm, 75 mL The Cambridge Environmental Falling Number test tube (glass viscometer tube) is built to the standard dimensions used in Falling Number (HagbergPerten) grain and flour testing. Its a reliable replacement option for labs that need consistent fit and repeatable handling. Specifications: 21 221 mm 75 mL Standards and dimensional compliance Our viscometer tubes are
Standard-Dimension Falling Number Test Tube (Glass Viscometer Tube) – 21 × 221 mm, 75 mL
The Cambridge Environmental Falling Number test tube (glass viscometer tube) is built to the standard dimensions used in Falling Number (Hagberg–Perten) grain and flour testing. It’s a reliable replacement option for labs that need consistent fit and repeatable handling.
Specifications: 21 × 221 mm • 75 mL
Standards and dimensional compliance
Our viscometer tubes are manufactured to meet the dimensional requirements referenced in widely used Falling Number methods:
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AACC International Method 56-81B – dimensional/tolerance requirements for Falling Number testing
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ICC Standard No. 107/1 – dimensional guidance for alpha-amylase activity measurement
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ISO 3093 – dimensional requirements for the Hagberg–Perten method
| Specification | Detail |
|---|---|
| Material | Borosilicate glass |
| Tube size | 21 × 221 mm |
| Capacity | 75 mL |
| Application | Falling Number (Hagberg–Perten) testing |
Compatibility
Compatible with Falling Number instruments that use the standard 21 × 221 mm glass tube format and matching holder/stirrer geometry, including: Perten 1700, Bastak 5000/5100, FOSS Alphatec, and other standard-tube FN systems. Confirm dimensions/holder style before ordering if unsure.
Frequently Asked Questions
Will this Falling Number tube fit my instrument?
If your unit uses the standard 21 × 221 mm (75 mL) glass tube format and a typical FN tube holder/stirrer setup, it should fit. If you’re unsure, compare to your current tube or request a sample.
Which instruments is it compatible with?
Known examples include Perten Model 1700, Bastak Model 5000/5100, and FOSS Alphatec, plus other systems that use the same 21 × 221 mm standard tube format.
What are the exact specifications?
Glass tube, 21 × 221 mm, 75 mL capacity.
What does the Falling Number value indicate?
It reports the seconds required for the stirrer to fall through the heated slurry. In general, a higher Falling Number (longer time) indicates higher viscosity and lower enzyme activity.
Can you help verify fit before we switch suppliers?
Yes. We can provide a sample tube for fit verification so you can confirm compatibility and evaluate cost savings before changing over.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy