
( Brand: Cannon ), ( Manufacturer Part Number: M-424 ), ( Intended Use/discipline: Physical Laboratory, Medical Laboratory, Biological Laboratory )
The **Canon M-424 2C 424 Glass Viscometer** is a precision-engineered instrument designed specifically for physical medical laboratories to measure the viscosity of liquids with exceptional accuracy and reliability. Part of Canon s renowned line of analytical equipment, this viscometer combines robust construction with advanced glass engineering to deliver consistent, repeatable results for a wide range of clinical and research applications. Its **Ubbelohde-type capillary design** ensures precise flow-time measurements, making it ideal for assessing the viscosity of biological fluids, pharmaceutical formulations, and other low-viscosity samples where accuracy is critical. The **2C 424 model** features a **424-second kinematic viscosity range**, accommodating samples with viscosities from approximately 0.6 to 100 centistokes (cSt), which covers everything from water-like fluids to thicker biological solutions. Constructed from **high-quality borosilicate glass**, the viscometer is chemically resistant, thermally stable, and resistant to thermal shock, ensuring durability in demanding laboratory environments. The **narrow-bore capillary** minimizes clogging while maintaining sensitivity, and the **graduated scale** allows for precise timing of fluid flow through the capillary under controlled conditions. This viscometer is particularly well-suited for applications in hematology, where it can be used to evaluate blood viscosity, plasma, or serum, as well as in pharmaceutical quality control for assessing the consistency of injectable solutions, suspensions, and other dosage forms. Its compatibility with standard viscometer stands and constant-temperature baths further enhances its versatility, enabling laboratories to integrate it seamlessly into existing workflows. With its **calibrated, reproducible design**, the Canon M-424 2C 424 Glass Viscometer is an indispensable tool for laboratories requiring high-precision viscosity measurements in both routine and specialized testing.
### **Pros and Cons of buying a Cannon M-424 2C 424 Glass Viscometer for a Physical Medical Laboratory**
#### **Pros:**1. **Precision and Accuracy** The Cannon M-424 is a high-quality capillary viscometer designed for precise measurements of fluid viscosity. Its glass construction ensures consistent flow rates, which is critical for accurate clinical and research applications.
2. **Versatility in Applications** Suitable for a wide range of biological fluids, including blood, plasma, synovial fluid, cerebrospinal fluid (CSF), and other bodily fluids. This makes it valuable in hematology, rheology, and diagnostic testing.
3. **Compliance with Standards** The instrument adheres to international standards (e.g., ISO, ASTM) for viscosity measurement, ensuring reliable results for clinical and regulatory purposes.
4. **Durability and Longevity** Made from borosilicate glass, the viscometer is resistant to chemical corrosion and thermal shock, providing long-term reliability in laboratory settings.
5. **Easy to Clean and Maintain** Glass components are straightforward to clean and sterilize, reducing contamination risks in medical laboratories.
6. **Cost-Effective for High-Volume Testing** While the initial investment is moderate, its durability and precision can reduce long-term costs associated with inaccurate or unreliable instruments.
7. **Compatibility with Kinematic Viscosity Calculations** The Cannon M-424 is designed to work with Cannon-Fenske viscometers, allowing for easy integration into existing laboratory workflows.
8. **Used in Research and Quality Control** Beyond clinical diagnostics, it can be employed in pharmaceutical and biotechnology research for viscosity testing of formulations.
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#### **Cons:**1. **High Initial Cost** Compared to simpler viscometers or digital alternatives, the Cannon M-424 represents a significant upfront investment, which may be a barrier for smaller or budget-constrained laboratories.
2. **Manual Operation** Unlike automated or digital viscometers, this requires manual handling of samples, which can introduce human error and increase labor time.
3. **Limited Digital Output** Results must be manually recorded and calculated (using kinematic viscosity formulas), which may not suit laboratories seeking fully automated data logging.
4. **Fragility of Glass Components** While durable, glass viscometers are more susceptible to breakage compared to plastic or metal alternatives, requiring careful handling and storage.
5. **Sample Volume Requirements** Some applications may require larger sample volumes than what is practical for certain clinical tests, potentially necessitating dilution or additional preparation steps.
6. **Temperature Sensitivity** Viscosity measurements are highly dependent on temperature; maintaining precise temperature control (e.g., using a water bath) is essential but adds complexity to workflows.
7. **Training and Expertise Needed** Proper use, cleaning, and calibration require trained personnel, which may not be feasible in all laboratory settings.
8. **Limited Automation Integration** Unlike digital viscometers, it does not easily integrate with laboratory information management systems (LIMS) or automated sample processing.
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### **Conclusion**
The **Cannon M-424 2C 424 Glass Viscometer** is a robust, high-precision instrument ideal for laboratories requiring accurate viscosity measurements of biological fluids. Its durability, compliance with standards, and versatility make it a strong choice for clinical diagnostics, research, and quality control. However, its manual operation, higher cost, and lack of digital integration may pose challenges for laboratories prioritizing automation or operating on tight budgets.
For **physical medical laboratories** that perform routine viscosity testing (e.g., blood, synovial fluid) and have the resources for manual handling and temperature control, this viscometer is a **highly recommended investment**. Conversely, laboratories seeking fully automated, high-throughput solutions may find more modern digital viscometers more suitable.
**Final Recommendation:**If your laboratory values **precision, compliance with standards, and long-term reliability** in viscosity testing, the **Cannon M-424 is an excellent choice**. However, if budget constraints, automation needs, or sample volume limitations are concerns, consider evaluating alternative options (e.g., digital viscometers or automated systems) before purchasing. Always ensure that your staff is adequately trained in its use and maintenance.
Item is new without box but I am listing it as used because there some moisture inside the viscometer.