YSEI SHH-J Series Mold Incubator

Overview

The YSEI SHH-J Series Mold Incubator is a purpose-engineered environmental chamber designed specifically for the controlled cultivation of filamentous fungi, yeasts, and other eukaryotic microorganisms requiring stable temperature and moderate humidity conditions. Unlike general-purpose incubators, the SHH-J series integrates enhanced air exchange and integrated UV-C germicidal irradiation—enabling continuous decontamination of recirculated air to minimize cross-contamination risks during extended incubation cycles. Its operational principle relies on precision thermoelectric regulation combined with a high-efficiency centrifugal blower system to maintain uniform thermal distribution across the entire working volume. The unit complies with fundamental design expectations outlined in ICH Q5C (stability testing of biological products), USP (microbiological control of non-sterile pharmaceuticals), and Chinese Pharmacopoeia Volume IV (2020 Edition) requirements for fungal culture validation. It is not intended for sterile processing or ISO Class 5 environments but serves as a validated platform for routine mycological monitoring, environmental isolate propagation, and quality control microbiology under GLP-aligned workflows.

Key Features

• Forced convection airflow architecture ensures rapid thermal equilibration and minimizes vertical/horizontal gradients—critical for reproducible colony morphology development.
• Dual-stage air filtration: pre-filter + activated carbon filter upstream of UV-C lamp (254 nm, ≥15 W), enabling continuous airborne bioburden reduction without manual intervention.
• Mechanical push-button interface provides deterministic, non-software-dependent operation—reducing firmware-related failure modes and simplifying IQ/OQ protocol execution.
• Independent overtemperature cutoff circuitry (hardware-based, non-software reliant) activates at ≥55 °C, safeguarding both samples and chamber integrity.
• Compressor-based refrigeration system with overload protection prevents thermal runaway during ambient temperature excursions (operational range: 5–35 °C ambient).
• Low-noise motorized blower (<52 dB[A] at 1 m) and insulated double-wall construction support installation in shared laboratory spaces without acoustic interference.
• Energy-optimized insulation (≥80 mm polyurethane foam, λ ≤ 0.022 W/m·K) reduces power consumption by up to 22% compared to legacy single-wall designs at 25 °C setpoint.

Sample Compatibility & Compliance

The SHH-J series accommodates standard microbiological formats including Petri dishes (90 mm and 150 mm), slant tubes, multi-well plates (up to 96-well format), and liquid culture flasks (≤2 L). Chamber interior surfaces are electropolished stainless steel (AISI 304), resistant to ethanol, isopropanol, and diluted sodium hypochlorite—facilitating routine disinfection per CDC/ASM guidelines. Units are supplied with factory calibration certificates traceable to NIM (National Institute of Metrology, China) standards. While not certified to UL 61010-1 or IEC 61000-6-3 out-of-the-box, the design incorporates grounding continuity, reinforced insulation barriers, and EMI-suppressed power supplies—supporting third-party safety verification for EU CE marking or FDA establishment registration. Documentation packages include Design Qualification (DQ) templates aligned with ISO/IEC 17025 Annex A.3 for accredited labs.

Software & Data Management

This model operates without embedded microprocessor-based data logging; instead, it supports analog output (0–5 V DC) for external DAQ integration and includes a built-in thermal printer module (80 mm paper width). Print intervals are configurable from 1 to 240 minutes, generating time-stamped records of real-time chamber temperature with ±0.5 °C accuracy. Printed curves display 24-hour rolling history with automatic date/time stamping and batch ID field entry. All printed outputs comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate) when paired with lab-controlled paper stock and timestamped logbooks. For electronic record retention, users may connect optional RS-485 or USB-to-serial adapters to export ASCII-formatted CSV logs compatible with LIMS platforms compliant with 21 CFR Part 11 audit trail requirements.

Applications

• Environmental monitoring programs in pharmaceutical cleanrooms per ISO 14644-1 Class 7–8 zones.
• Fungal identification workflows in public health laboratories (e.g., CDC Mycotic Diseases Branch reference protocols).
• Stability studies of herbal extracts, probiotics, and fermented food matrices under ICH Q1A(R2) intermediate conditions.
• Aquaculture pathogen isolation (e.g., Aphanomyces invadans, Saprolegnia parasitica) per OIE Aquatic Animal Health Code Chapter 2.7.12.
• Teaching laboratories for undergraduate mycology modules requiring robust, low-maintenance hardware.
• QC release testing of raw materials in traditional Chinese medicine (TCM) manufacturing per Chinese GMP Annex 13.

FAQ

Is the SHH-J series suitable for BSL-2 fungal work?
No—it lacks HEPA filtration, negative pressure containment, or glove port interfaces required for biosafety level 2 agents. It is rated for BSL-1 use only.
Can humidity be actively controlled or only passively monitored?
Humidity is not regulated; the unit maintains ambient-relative humidity ≤85% R.H. via desiccant-assisted air exchange. Active humidification is not supported.
What calibration documentation is provided upon delivery?
Each unit ships with a NIM-traceable temperature calibration certificate covering three points (15 °C, 25 °C, 37 °C) measured at geometric center and four corners of the chamber.
Are spare UV lamps and filters available through YSEI’s global distribution network?
Yes—UV-C lamps (G15T8 type, 15 W, 254 nm) and activated carbon filters are stocked in Rotterdam, Singapore, and Atlanta distribution centers with lead times under 10 business days.
Does the mechanical control panel meet any international usability standards?
The button layout and tactile feedback conform to ISO 9241-210 (human-centered design) ergonomic thresholds for lab equipment used under PPE gloves (tested with nitrile and latex).