Description
Product Overview
The Petroff Hausser 3900 Counter Counting Chamber is engineered for high‑precision cell counting and microscopy work. Constructed from optically clear, chemically resistant glass, the chamber offers a viewing area of 75mm x 32mm and a depth of 4.5mm, providing a stable platform for a wide range of laboratory applications. Its compact footprint—10.921 cm length, 6.858 cm width, and 1.524 cm height—fits comfortably on standard lab benches and fits into most microscope stages without obstruction. The chamber comes with two cover glasses that protect the sample while maintaining an unobstructed view, and its lightweight design (0.022 lb) ensures easy handling and quick setup. Manufactured in the United States, the product adheres to strict quality standards, guaranteeing consistency across batches and long‑term durability.
![[Product front view showing all components]](https://www.yelvora.store/wp-content/uploads/2026/07/647a1927b05f45979d5f9f045fe32a69.jpg)
Usage
This counting chamber is ideal for researchers conducting cell culture assays, viability tests, and quantitative microscopy. The generous viewing area accommodates a variety of sample volumes, allowing users to observe cell distribution, morphology, and behavior with minimal distortion. Its depth of 4.5mm reduces the risk of sample overflow while providing sufficient space for cells to settle, making it suitable for both adherent and suspension cell types. The chamber integrates seamlessly with standard inverted and upright microscopes, enabling high‑resolution imaging at low to medium magnifications. Whether you are performing routine hematology counts, bacterial colony assessments, or advanced fluorescence studies, the 3900 model delivers reliable, repeatable results that support rigorous scientific protocols.
Why Choose Us
Choosing the Petroff Hausser 3900 means selecting a product backed by decades of expertise in laboratory glassware. Each chamber undergoes a multi‑stage inspection process to verify optical clarity, dimensional accuracy, and surface integrity, ensuring that every unit meets the exacting standards required for high‑quality research. The chamber’s US origin provides confidence in supply chain transparency and compliance with regulatory requirements. In addition, our dedicated technical support team offers guidance on optimal usage, cleaning procedures, and troubleshooting, helping you maximize the lifespan of the chamber. We also provide a straightforward return policy and rapid replacement service, reinforcing our commitment to customer satisfaction and long‑term partnership.
Key Features
- Crystal‑clear glass ensures unobstructed, high‑resolution imaging for accurate cell analysis.
- Generous 75mm x 32mm viewing area accommodates diverse sample types and volumes.
- 4.5mm depth reduces overflow risk while allowing cells to settle naturally for reliable counts.
- Compact, lightweight design fits easily on microscope stages and standard lab benches.
- Responsive customer support and hassle‑free replacement guarantee peace of mind.
FAQ
What type of microscope is compatible with this chamber?
The 3900 Petroff Hausser chamber works with both inverted and upright microscopes that accept standard slide dimensions. Its low profile ensures it does not interfere with objective lenses, making it suitable for a wide range of magnifications.
Can the chamber be reused after cleaning?
Yes. The glass is chemically resistant and can be cleaned with mild detergents or laboratory-grade solvents. Rinse thoroughly and dry before re‑assembly to maintain optical clarity.
Is the chamber suitable for fluorescence imaging?
Absolutely. The high‑quality glass provides excellent transmission of excitation and emission wavelengths, allowing clear fluorescence signals without background interference.
What is the warranty period for this product?
We offer a one‑year limited warranty covering manufacturing defects. Should any issue arise, contact our support team for a prompt replacement or repair.




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