Digital Small Sample Viscometer YR05840 // YR05842

The Digital Small Sample Viscometer YR05840 // YR05842 is a cutting-edge instrument designed for high-temperature viscosity measurements. Utilizing a coaxial center structure, it requires a minimal sample size due to its small sample adapter, ensuring efficiency in testing. Its precise temperature control allows for quick adjustments, making it ideal for substances that necessitate heating and melting, such as asphalt, rosin, and hot melt adhesives. Thanks to its wide measurement range and accurate repeatability, this viscometer guarantees reliable results for both research and industrial applications.

Market Price

The Digital Small Sample Viscometer YR05840 // YR05842 is competitively priced within the range of $3,600 to $4,500, making it an economical choice for laboratories and manufacturers seeking accurate viscosity measurements.

Frequently Asked Questions

Can the viscometer handle non-Newtonian fluids? Yes, it is specifically designed to measure both Newtonian and non-Newtonian liquids with high precision. What is the sample size required for testing? The viscometer requires a very small sample size, between 15-20 ml.

Advantages and Disadvantages

Advantages: This viscometer offers high precision, minimal sample requirements, and versatile temperature control. The RS232 interface facilitates connectivity with micro printers and computers. Disadvantages: Some users might require optional accessories, such as an ultra-low viscosity adapter or separate heating furnace, which could increase the overall cost.

Field Use

In practical scenarios, the viscometer proves invaluable for operations needing precise viscosity data, especially in quality control processes within the petrochemical, adhesive, and food industries.

Recommendations

To maximize the longevity of your viscometer, handle it carefully and regularly perform maintenance checks. Ensure consistent sample size and measurement time for reliable data. For more advanced analysis, integrate the viscometer with external software through the RS232 interface.

Features

• Horizontal bubble level adjustment for convenience.
• Timing measurement functionality for consistent data comparison.
• Accuracy up to two decimal places.
• Small sample adapter requiring only 15-20 ml.
• Temperature control range from room temperature +10°C to 250°C, with an optional furnace up to 300°C.
• RS232 interface for connectivity with printers and computers.

Technical Specifications

Model	YR05840	YR05841	YR05842
Measure range (mPa.s)	6.4 – 2M No.0: 6.4-1K No.21: 50-100K No.27: 250-500K No.28: 500-1M No.29: 1K-2M	12.8 – 4M No.0: 12.8-1K No21: 100-200K No.27: 500-1M No28: 1K-2M No.29: 2K-4M	51.2 – 16M No.0: 51.2-2000 No.21: 400-8M No27: 2K-4M No.28: 4K-8M No.29: 8K-1.6M
Speed (r/min)	0.5/1/2/2.5/4/5/10/15/20/25/30/40/50/60/70/80/90/100 Total 18
Rotor	21, 27, 28, 29# (standard configuration) Ultra-low viscosity adapter (rotor No.0) with separate heating furnace (optional)
Test error	±2% (Newtonian liquid)
Repetitive error	±1% (Newtonian liquid)
Temp. Control Precision	0.1℃
Interface	Two RS232 interfaces