VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR Review

Let’s Dive into VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR

The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR represents a crucial tool for any laboratory requiring precise and repeatable liquid handling. Manufactured by VWR, this fixed-volume pipettor, specifically calibrated for 500µL, is designed for applications demanding accuracy and consistency, offering a balance between performance and cost-effectiveness. With its fully autoclavable design, removable tip ejector, and compatibility with universal tips, it’s a versatile instrument suitable for a variety of lab environments.

My entry into the world of pipettors came from a relentless need for consistent reagent dispensing in a high-throughput assay I was developing. The frustrating inconsistencies from multi-channel pipettes and the inherent variability of graduated cylinders led me on a quest for precision. The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR promised just that: a dedicated, reliable instrument.

Unboxing the pipettor, I immediately noticed its sleek, contoured design. The lightweight construction felt comfortable in my hand, a vital consideration for repetitive tasks. The materials seemed durable, inspiring confidence in its long-term reliability.

I compared it to two similar products I’ve used extensively: the Eppendorf Research Plus fixed-volume pipette and the BrandTech Transferpette S fixed-volume pipette. While the Eppendorf offered a slightly smoother plunger action and the BrandTech a more robust build, the VWR pipettor presented a compelling combination of features at a more accessible price point. Ultimately, the balance of features and value tipped the scale in favor of the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR.

My first impression was cautiously optimistic. I was eager to test its accuracy and precision in my demanding assay environment. If it could deliver consistent results, I knew this pipettor would become a valuable asset in my lab.


Real-World Testing: Putting VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR to the Test

First Use Experience

My initial testing ground was a high-throughput ELISA assay. I tested its performance by dispensing a control sample 100 times into a microplate, then measured the optical density of each well using a spectrophotometer. The consistent readings across all wells immediately highlighted the precision of the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR.

The humidity and temperature fluctuations within the lab had no discernible impact on the pipettor’s performance. The plunger action felt smooth and consistent. There was no need for an adaptation period; the pipettor felt intuitive and comfortable from the start.

One minor observation: the tip ejection required slightly more force than I was used to with other brands. However, this was easily adjusted to with minimal effort.

Extended Use & Reliability

After several weeks of daily use in multiple assays, the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR continued to perform reliably. There were no signs of wear and tear on the body or plunger. The markings remained clear and legible.

Cleaning the pipettor was straightforward; a simple wipe-down with 70% ethanol kept it clean and contaminant-free. The fully autoclavable design provided an extra layer of assurance for sterile applications. It noticeably outperformed a generic, adjustable volume pipette I had previously used. The VWR pipette delivered more consistent and reliable results in the long run.

Breaking Down the Features of VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR

Specifications

  • Volume: 500 µL – This fixed volume ensures consistent delivery and eliminates the potential for errors associated with adjustable pipettes.
  • Tip Volume: 1000 µL – This compatibility allows for flexibility in tip selection and application.
  • Accuracy: ±0.5% – High accuracy is critical for quantitative assays and research applications.
  • Precision: ±0.3% – Exceptional precision guarantees repeatable results, minimizing variability between samples.
  • Unit: Each (500 uL) – Sold individually, which allows you to purchase exactly what you need.
  • Fully Autoclavable: This feature enables sterilization and eliminates the risk of contamination.
  • Removable, Adjustable Tip Ejector: This allows for easy and hygienic tip disposal, as well as accommodating different tip types.
  • Narrow Shaft: The narrow shaft ensures universal tip fit, maximizing compatibility and reducing the need for specialized tips.

The specifications highlight the design focus on accuracy, precision, and user convenience. The fixed volume eliminates the uncertainty of adjustable pipettes. The autoclavable feature is paramount in maintaining sterility in various laboratory settings.

Performance & Functionality

The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR excels in its primary function: delivering accurate and precise 500 µL volumes. It is incredibly reliable, offering consistent results day after day. The minimal errors and consistent performance meet and exceed my expectations for a fixed-volume pipettor.

A potential improvement would be to offer a lighter tip ejection force. This would further enhance user comfort during high-throughput applications.

Design & Ergonomics

The pipettor’s contoured body and lightweight design make it comfortable to hold and operate, even during extended use. The materials used feel durable and the construction appears robust. The user-friendly design means there is virtually no learning curve. Anyone familiar with pipetting techniques can use this instrument effectively from day one.

Durability & Maintenance

The high-quality materials and robust construction suggest that the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR is built to last. With proper care and maintenance, including regular cleaning and autoclaving, it should provide years of reliable service. Maintenance involves occasional cleaning and visual inspection for any signs of damage or wear.

Accessories and Customization Options

The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR doesn’t come with extensive accessories, as it is a fixed-volume instrument. However, the adjustable tip ejector provides a degree of customization to accommodate various tip types. It’s fully compatible with a wide range of universal 1000 µL pipette tips from various brands. This ensures users can easily source compatible tips without being restricted to a specific manufacturer.

Pros and Cons of VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR

Pros

  • High Accuracy and Precision: Delivers reliable and repeatable 500 µL volumes.
  • Fully Autoclavable: Allows for sterilization and eliminates contamination risks.
  • Ergonomic Design: Comfortable to hold and operate, even during extended use.
  • Universal Tip Compatibility: Works with a wide range of readily available 1000 µL tips.
  • Excellent Value: Offers a compelling combination of features and performance at an accessible price point.

Cons

  • Fixed Volume: Limited to dispensing only 500 µL volumes.
  • Tip Ejection Force: Requires slightly more force than some comparable pipettors.


Who Should Buy VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR?

The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR is perfect for laboratory technicians, researchers, and scientists who require precise and repeatable dispensing of 500 µL volumes. It is ideal for applications such as ELISA assays, PCR reaction setup, and other high-throughput screening procedures where accuracy and consistency are paramount.

This pipettor might not be the best choice for those who need to dispense a wide range of volumes. In these cases, an adjustable-volume pipettor would be more suitable. A compatible pipette stand is a must-have accessory to keep the pipettor organized and prevent contamination.

Conclusion on VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR

The VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR is a reliable and cost-effective solution for laboratories requiring precise 500 µL liquid handling. Its accuracy, precision, and autoclavable design make it a valuable tool for a variety of applications. The price is certainly justified given its exceptional performance and durability.

I would wholeheartedly recommend the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR to anyone seeking a high-quality, fixed-volume pipettor. Invest in the VWR Signature Single-Channel Pipettors, Fixed Volume P3820-500VWR and experience the peace of mind that comes with accurate and repeatable liquid handling!

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