Shanghai Yiheng MJ Series Mold Incubator
| Brand | Shanghai Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | MJ Series |
| Price | Upon Request |
| Temperature Range | 0–60 °C |
| Temperature Uniformity | ±1.5 °C (at 25 °C) |
| Humidity Range | 60–85 %RH |
| Capacity | 70–500 L |
Overview
The Shanghai Yiheng MJ Series Mold Incubator is a precision-engineered environmental chamber designed specifically for the controlled cultivation, isolation, and maintenance of filamentous fungi, yeasts, and other moisture-sensitive microorganisms. Built upon a robust thermoelectric architecture with dual-zone thermal management—separate refrigeration and humidification systems—the MJ Series operates on the principle of forced-air convection combined with active humidity regulation to maintain stable, reproducible conditions essential for mycological research and quality control testing. Unlike general-purpose incubators, this series incorporates dedicated design features—including extended low-temperature capability (down to 0 °C), high-humidity operation (up to 85 %RH), and anti-condensation airflow routing—to prevent spore desiccation and support reliable sporulation, hyphal growth, and colony morphology assessment. It complies with standard laboratory requirements for BOD incubation, fungal purity testing (e.g., USP , EP 2.6.12), and environmental microbiology workflows in regulated settings.
Key Features
- Mirror-finish stainless steel interior with seamless, quarter-radius corners for easy decontamination and compliance with GLP cleaning validation protocols.
- High-efficiency R134a refrigerant system paired with an internationally certified hermetic compressor—engineered for >15,000 hours MTBF and noise emission ≤52 dB(A) at 1 m distance.
- Microprocessor-based PID temperature controller with 0.1 °C resolution, ±0.5 °C stability at elevated setpoints (40–60 °C), and programmable timer (0–9999 min).
- Three-speed adjustable axial circulation fan—enabling precise airflow modulation to minimize evaporative stress on agar plates, liquid cultures, and hydrated biofilms.
- Independent over-temperature cut-off circuit with audible/visual alarm—meets IEC 61010-1 safety requirements for Class II laboratory equipment.
- Optional RS485 interface (Modbus RTU protocol) and thermal printer support for audit-ready data logging—compatible with FDA 21 CFR Part 11-compliant LIMS integration when used with validated software.
- Model variants include MJ-I (basic digital display), MJ-F (backlit LCD with menu-driven navigation), and MJ-II (dual PID control for simultaneous temperature/humidity setpoint programming and Φ25 mm access port for external sensor integration).
Sample Compatibility & Compliance
The MJ Series accommodates standard microbiological consumables including Petri dishes (90 mm and 150 mm), test tubes (13×100 mm, 16×150 mm), multi-well plates (6–96-well), and Erlenmeyer flasks (up to 1 L). Its uniform temperature distribution (±1.5 °C across working volume per ISO 15262:2014 Annex C) and calibrated humidity delivery ensure reproducibility in fungal enumeration (ISO 21527-1), mold inhibition assays (ASTM D3273), and pharmaceutical environmental monitoring (EU GMP Annex 1, §8.37). All models are CE-marked and conform to EN 61000-6-3 (EMC) and EN 61000-6-2 (immunity) standards. The MJ-II variant supports IQ/OQ documentation packages for GxP environments.
Software & Data Management
While the base unit operates via embedded firmware without cloud connectivity, optional data acquisition modules enable real-time parameter export to CSV or Excel formats via USB or RS485. When integrated with third-party SCADA or ELN platforms (e.g., LabArchives, Benchling), the MJ Series supports electronic signature capture, change control tracking, and automated report generation aligned with ALCOA+ data integrity principles. Firmware updates are delivered via secure offline USB deployment to preserve network segregation in classified labs.
Applications
- Fungal identification and strain preservation in clinical and food microbiology laboratories.
- BOD5 incubation per Standard Methods 5210B and ISO 5815-1 under defined humidity to prevent media cracking.
- Antifungal susceptibility testing (CLSI M38-A3) requiring stable 25–30 °C and ≥70 %RH for Aspergillus spp. growth.
- Pharmaceutical cleanroom environmental monitoring (viable particle recovery on malt extract agar).
- Agricultural mycotoxin screening using Fusarium and Penicillium culture confirmation steps.
- Academic research in plant pathology, lichen symbiosis, and extremophile adaptation studies.
FAQ
Does the MJ Series meet ISO/IEC 17025 calibration traceability requirements?
Yes—when commissioned with NIST-traceable thermohygrometers and validated using internal reference sensors, the MJ-II variant supports documented uncertainty budgets compliant with ISO/IEC 17025:2017 Clause 6.4.3.
Can the incubator operate continuously at 5 °C and 85 %RH?
Yes—this combination is within the specified operational envelope; however, prolonged use at extreme low temperatures with high humidity requires periodic defrost cycle verification per manufacturer’s maintenance schedule.
Is remote monitoring supported out-of-the-box?
No—remote functionality requires optional RS485-to-Ethernet gateway hardware and configuration by qualified IT personnel; no built-in Wi-Fi or cellular module is included.
What is the recommended recalibration interval for temperature and humidity sensors?
Annual recalibration is advised for GMP applications; semi-annual verification is recommended for ISO 17025-accredited labs based on usage frequency and risk assessment per ISO/IEC 17025:2017 Clause 7.7.1.
Are spare parts and service manuals available internationally?
Yes—Shanghai Yiheng provides English-language technical documentation, OEM-grade replacement compressors, humidifier cartridges, and PID controller modules through authorized regional distributors with lead times under 4 weeks.
