Countstar BioFerm IY1200 Automated Yeast Cell Counter
| Brand | Countstar |
|---|---|
| Origin | Shanghai, China |
| Model | IY1200 |
| Detection Time | <20 s |
| Cell Concentration Range | 5×10⁴–3×10⁷ cells/mL |
| Sample Volume | 20 µL |
| Throughput | 5 samples per run |
| Detectable Cell Size | 2–180 µm |
Overview
The Countstar BioFerm IY1200 Automated Yeast Cell Counter is a dedicated, image-based cytometry system engineered for rapid, accurate, and reproducible quantification of viable and non-viable yeast cells—particularly Saccharomyces cerevisiae—in industrial fermentation environments. Unlike generic hemocytometer-based or flow cytometry approaches, the BioFerm IY1200 employs high-resolution brightfield microscopy coupled with adaptive thresholding algorithms optimized specifically for yeast morphology, budding state discrimination, and common fermentation-related debris (e.g., trub, hop particles, or protein aggregates). Its optical architecture supports consistent focus across heterogeneous suspensions without manual refocusing, enabling walk-away operation in high-volume brewery QC labs where throughput, traceability, and regulatory alignment are critical.
Key Features
- Dedicated yeast analysis mode with automated budding recognition and viability classification using dual-stain (e.g., methylene blue or trypan blue) compatibility
- Sub-20-second analysis time per sample—enabling real-time decision support during pitch rate adjustment, fermentation monitoring, and harvest timing
- 20 µL minimal sample requirement—reducing reagent consumption and minimizing process interruption in pilot and production-scale breweries
- Integrated calibration verification via NIST-traceable microsphere standards (optional), supporting internal instrument qualification protocols
- Robust mechanical design with sealed optical path and vibration-dampened stage—engineered for stable performance in non-ISO-classified industrial lab environments
- Onboard data storage with timestamped audit trail; export formats include CSV, PDF, and XML for LIMS integration
Sample Compatibility & Compliance
The BioFerm IY1200 accommodates undiluted or pre-diluted yeast slurries from primary fermenters, brite tanks, and propagation vessels. It reliably distinguishes intact yeast cells (2–180 µm diameter) from fragmented cellular debris, starch granules, and hop resin particulates commonly present in wort-adjacent matrices. The system complies with foundational principles outlined in ISO 21528-2 (microbiological methods for food and animal feeding stuffs) and supports adherence to brewery-specific Standard Operating Procedures (SOPs) aligned with GLP and GMP frameworks. While not FDA 21 CFR Part 11–validated out-of-the-box, its software architecture permits configuration of user authentication, electronic signatures, and immutable audit logs—facilitating validation under internal quality systems.
Software & Data Management
The BioFerm Control Software (v3.2+) provides intuitive workflow navigation, customizable reporting templates, and batch-level statistical summaries (mean concentration, CV%, viability %, average cell diameter). All image captures and analysis parameters—including exposure time, contrast gain, and segmentation thresholds—are automatically archived with metadata (operator ID, date/time, sample ID). Raw images and processed masks are stored in lossless TIFF format. Data export supports direct ingestion into enterprise LIMS platforms via configurable ODBC drivers or secure SFTP push. Version-controlled firmware updates are delivered through encrypted USB media or authenticated HTTPS endpoints—ensuring continuity of validated configurations.
Applications
- Yeast pitching rate verification prior to fermentation initiation
- In-process monitoring of population dynamics and viability decline during active fermentation
- Harvest readiness assessment based on cell density and morphological integrity
- Storage stability evaluation of propagated yeast crops over multiple generations
- Comparative analysis of strain performance under varying temperature, oxygenation, or nutrient conditions
- Supporting technical documentation for HACCP plans and brewery certification audits (e.g., BRCGS, SQF)
FAQ
Does the BioFerm IY1200 require daily calibration?
No—routine calibration is not required. However, users are advised to perform weekly verification using supplied reference microspheres or a standardized yeast suspension with known concentration.
Can it differentiate between mother and daughter cells during budding?
Yes—the algorithm identifies budding pairs based on size ratio, proximity, and contour continuity, reporting both total count and budding index as separate metrics.
Is the system compatible with non-Saccharomyces strains used in craft brewing?
It supports Brettanomyces, Pichia, and Kluyveromyces species within the specified size range; method qualification is recommended for novel isolates.
What environmental conditions are recommended for optimal operation?
Ambient temperature: 15–30 °C; relative humidity: 30–70% non-condensing; stable benchtop surface with minimal vibration or direct sunlight exposure.
How is data security and user access managed?
Role-based permissions (Admin, Technician, Viewer) are enforced at login; all user actions generate time-stamped, non-editable entries in the system audit log.
