Getting My Hands on the Reichert Quebec Dark-Field Colony Counter, Reichert 13332500
For years, my lab has relied on a hodgepodge of older colony counting equipment, a patchwork quilt of functionality that, while serviceable, always felt like it could be streamlined. The specific need for a dedicated dark-field colony counter arose when we began a new series of more sensitive microbial growth assays. Traditional bright-field methods were becoming increasingly time-consuming and prone to observer subjectivity, making the search for a specialized tool like the Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 a priority. I’d heard whispers of Reichert’s reputation for durable lab apparatus, and the promise of a dark-field setup specifically designed for colony counting immediately caught my attention.
My initial impression upon unboxing this unit was one of solid, no-nonsense engineering. The metal casing feels substantial, and the finish, a contrasting gray-beige acrylic enamel with black suede accents, speaks to a design that prioritizes function with a touch of classic lab aesthetic. It’s not flashy, but it feels built to endure the rigors of daily lab use. I’d considered a more basic magnifier stand with an external light source as a cheaper alternative, but the integrated dark-field illumination and dedicated lens system of this Quebec model promised a far more efficient and accurate workflow. A sense of pragmatic satisfaction settled in as I began to set it up; it felt like acquiring the right tool for a specific, important job.
Real-World Testing: Putting Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 to the Test
First Use Experience
My initial testing began right on the primary lab bench, where most routine microbial plating occurs. I set up a series of standard Petri dishes inoculated with known bacterial strains, ranging from low-density to high-density cultures. The goal was to see how the dark-field illumination handled varying levels of sample complexity.
The performance was immediately noticeable. The Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 truly shines when dealing with faint or small colonies that might otherwise blend into the background under bright-field illumination. The stark contrast provided by the dark background and illuminated colonies made differentiation significantly easier, even with samples exhibiting slight turbidity in the agar.
Ease of use was another strong point. The sliding rod for focusing the lens felt smooth and precise, allowing for quick adjustments as I moved across the Petri dish. Swinging the lens assembly away when not in use was a convenient feature, keeping the workspace clear. My only minor surprise was the slight learning curve in positioning the Petri dish optimally to take full advantage of the illumination field, but this was quickly overcome within the first few plates.
Extended Use & Reliability
After several weeks of consistent use, cycling through dozens of plates daily for various projects, this colony counter has proven to be a reliable workhorse. The dark-field illumination remains consistent, and the 1.5x magnification is perfectly suited for most common bacterial colony sizes.
Durability seems to be a hallmark of this unit. Despite being situated on a busy benchtop, it has shown no signs of wear and tear; the metal casing has resisted scuffs, and the lens mechanism continues to operate without any stiffness or play. Maintenance is refreshingly simple; a soft, lint-free cloth is all that’s needed to keep the lens and casing clean, ensuring optimal visibility.
Compared to the generic magnifiers and separate light sources I’ve used in the past, this dedicated dark-field counter represents a significant upgrade in both efficiency and accuracy. While not as high-magnification as a microscope, its intended purpose is met with exceptional effectiveness, and it has certainly reduced the manual counting time by a noticeable margin.
Breaking Down the Features of Reichert Quebec Dark-Field Colony Counter, Reichert 13332500
Specifications
The Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 is engineered with specific laboratory needs in mind. It features a 113mm lens offering 1.5x magnification, a crucial detail for accurately visualizing and counting microbial colonies. The integrated dark-field illumination is powered by 40W tungsten bulbs, providing a bright, focused light source against a dark background.
The unit’s dimensions are compact yet practical for a lab environment: 26.7cm L x 27.9cm D x 25.4cm H (10.5″ L x 11″ D x 10″ H). This size ensures it fits comfortably on most standard laboratory benches without consuming excessive space. The sheet metal case finished in durable acrylic enamel and suede adds to its robustness.
Importantly, this model comes complete with a Wolffhuegel guide plate, which aids in systematic counting by providing a visual grid. The CSA certified and UL listed status offers peace of mind regarding electrical safety and adherence to industry standards. Powering the unit is standard 115V, 60Hz electrical input, making it compatible with most laboratory electrical systems.
Performance & Functionality
In its primary function – counting bacterial colonies against a dark background – the Reichert Quebec excels. The 1.5x magnification is ideal for typical colony sizes found on agar plates, allowing for clear differentiation and easy counting. The dark-field illumination dramatically enhances visibility, making even faint colonies stand out against the black backdrop.
The strengths of this unit lie in its specialized design. The integrated system minimizes the need for external adjustments or makeshift setups, which often lead to inconsistent results. The elimination of parallax error due to the lens positioning is a well-thought-out design feature that contributes to more reliable counts.
A potential area for improvement, though not a significant drawback for its intended use, is the fixed magnification. While 3x magnification is achievable with an optional second lens, the base unit’s 1.5x might feel slightly low for researchers working with very small or densely packed colonies requiring finer detail. However, for standard colony enumeration tasks, it performs admirably and meets expectations.
Design & Ergonomics
The build quality of this colony counter is immediately apparent. The sturdy sheet metal case feels substantial and well-constructed, suggesting it can withstand the rigors of a busy laboratory environment. The contrasting gray-beige acrylic enamel and black suede finish is not only aesthetically pleasing but also practical, offering a good grip and resistance to minor abrasions.
Ergonomically, the unit is designed for intuitive use. The sliding rod for focusing is smooth and offers good tactile feedback, allowing for precise adjustments without fumbling. The ability to swing the lens assembly out of the way is a thoughtful touch that improves workflow and accessibility to the sample area.
The inclusion of a Wolffhuegel guide plate is a significant ergonomic benefit. This plate, with its distinct sections, helps users systematically scan and count colonies across the entire Petri dish, preventing missed areas or double-counting. Overall, the design prioritizes practical usability and long-term comfort during repetitive counting tasks.
Durability & Maintenance
From my experience, this Reichert model is built for longevity. The metal construction suggests it can endure accidental bumps or drops that might plague lighter plastic units. The tungsten bulbs, while standard, are generally reliable and user-replaceable should one eventually fail.
Maintenance is straightforward and does not require specialized knowledge or tools. A simple wipe-down with a soft cloth after each use is sufficient to keep the lens and viewing area clean. For more thorough cleaning, a mild laboratory detergent can be used on the casing.
Potential failure points are minimal given the robust design. The primary moving part is the lens focusing rod, which operates smoothly and shows no signs of wear. The electrical components are CSA certified and UL listed, indicating a level of quality and safety that should translate to reliable electrical performance.
Accessories and Customization Options
The Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 comes complete with the essential Wolffhuegel guide plate and a three-wire cord. These are integral to its primary function and ensure it’s ready for immediate use upon arrival.
The main customization option mentioned is the ability to attach a second optional lens to increase magnification to 3x. This is a valuable addition for those needing a closer look at more delicate or numerous colonies. While not supplied as standard, this optional lens significantly enhances the versatility of the unit without requiring a complete replacement.
Beyond the optional lens, there are no other significant customization options. The unit is designed as a self-contained system, which aligns with its purpose as a dedicated colony counter rather than a general-purpose magnifier.
Pros and Cons of Reichert Quebec Dark-Field Colony Counter, Reichert 13332500
Pros
- Superior Dark-Field Illumination: Dramatically enhances colony visibility against the dark background, leading to more accurate counts.
- Robust Build Quality: The sheet metal case and durable finish suggest excellent longevity in a demanding lab environment.
- Ergonomic Design: Features like the sliding focus rod and swing-away lens assembly make for efficient and comfortable use.
- Integrated Wolffhuegel Guide Plate: Aids in systematic counting, reducing errors and improving workflow.
- CSA Certified and UL Listed: Ensures electrical safety and compliance with industry standards.
Cons
- Fixed 1.5x Magnification (Base Unit): While sufficient for many tasks, an optional higher magnification lens is needed for smaller colonies.
- Tungsten Bulbs: While reliable, tungsten bulbs are less energy-efficient and have a shorter lifespan than LED alternatives.
- Price Point: The $2159.00 price might be a significant investment for some smaller labs or individual researchers.
Who Should Buy Reichert Quebec Dark-Field Colony Counter, Reichert 13332500?
This colony counter is ideally suited for microbiology laboratories, research facilities, and educational institutions where accurate and efficient enumeration of microbial colonies is a routine task. It is particularly beneficial for those working with standard bacterial or fungal plating techniques who need to reduce subjectivity and observer fatigue.
Individuals or labs who might want to skip this product would be those requiring extremely high magnification for individual cell counting, for which a microscope would be more appropriate, or those operating on a very tight budget who can tolerate less precise, manual counting methods with a simple magnifier. It’s also likely overkill for labs performing only occasional, low-density plating.
For those who do decide to purchase, I’d recommend considering the optional 3x magnification lens if your work frequently involves very small or densely packed colonies. Investing in a good supply of lens cleaning cloths is also a wise complementary purchase to maintain optimal visibility over time.
Conclusion on Reichert Quebec Dark-Field Colony Counter, Reichert 13332500
The Reichert Quebec Dark-Field Colony Counter, Reichert 13332500 is a highly effective and reliably built piece of laboratory equipment designed for its specific purpose. Its dark-field illumination is the standout feature, providing clear, contrasted views of microbial colonies that significantly improve counting accuracy and speed. The robust construction and thoughtful ergonomic design make it a pleasure to use, even during prolonged counting sessions.
Considering its price of $2159.00, the value proposition rests on the quality of its performance and build. For labs where accurate colony enumeration is critical and time is a significant factor, this unit justifies its cost by streamlining workflows and reducing potential errors. I would unequivocally recommend this colony counter to any microbiology lab seeking a dedicated, high-quality instrument for routine colony counting. It’s a tool that, while an investment, promises to pay dividends in efficiency and reliability for years to come.