Zhicheng ZXJD-A1430 Mold Incubator with Observation Window
| Brand | Zhicheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | ZXJD-A1430 |
| Pricing | Upon Request |
| Capacity | 430 L |
| Temperature Range | 4–65 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Uniformity | ≤ ±1 °C (at 37 °C) |
| Temperature Fluctuation | ≤ ±0.5 °C |
| Control Mode | Fuzzy Logic |
| Programming | 10 segments × 18 steps |
| Step Duration | 1–999 min per step |
| Door Type | Dual-layer door with tempered glass observation window (inner insulated glass door) |
| Air Circulation | Forced convection with turbine fan |
| Inner Chamber Material | Mirror-finish stainless steel |
| Shelf Quantity | 2 standard (up to 4 optional) |
| Power Supply | AC 220 V, 50/60 Hz |
| Rated Power | 1200 W |
| Net Weight | 108 kg |
| Internal Dimensions (W×D×H) | 700 × 645 × 950 mm |
| External Dimensions (W×D×H) | 830 × 785 × 1660 mm |
| Safety Features | Independent over-temperature prevention (adjustable 30–80 °C), independent overheat protector, leakage & overcurrent circuit breaker, refrigeration overload protection |
| Auxiliary Functions | Monitoring timer, power failure recovery, parameter memory, temperature display calibration, Φ50 mm test port |
| Optional | Built-in refrigeration (air-cooled R134a, power-controlled) |
| Humidity Control | Available in dry-wet and constant-humidity configurations (model-specific) |
Overview
The Zhicheng ZXJD-A1430 Mold Incubator with Observation Window is a precision-engineered environmental chamber designed specifically for controlled fungal cultivation, microbial propagation, and long-term biological sample maintenance under regulated temperature and humidity conditions. Operating on advanced fuzzy logic control architecture, the unit delivers high reproducibility in thermal management across its full 4–65 °C operating range—critical for mycological studies where subtle deviations impact spore germination, hyphal growth kinetics, and colony morphology. Its dual-layer door system—featuring an outer insulated panel and an inner tempered glass viewing window—enables real-time visual monitoring without compromising chamber integrity or thermal stability. The chamber’s mirror-polished stainless-steel interior, electropolished stainless-steel shelves, and optimized air duct geometry ensure laminar, uniform airflow and minimize contamination risk—key requirements for GLP-compliant microbiology labs and ISO 17025-accredited testing facilities.
Key Features
- Fuzzy logic microprocessor control with 10-segment × 18-step programmable protocol capability, supporting complex ramp-hold sequences including stepwise temperature gradients, timed humidity transitions, and cyclic conditioning profiles.
- High-sensitivity integrated temperature/humidity sensor with fast response time and long-term drift compensation—ensuring stable setpoint adherence under variable load conditions.
- Intelligent frost-free refrigeration system (R134a, air-cooled, power-modulated) enabling precise sub-ambient cooling down to 4 °C while maintaining low noise and energy efficiency.
- Two-stage automatic water replenishment system eliminates manual refilling; reservoir-level sensors trigger secondary feed only when primary tank is depleted—reducing maintenance frequency and evaporation-related variability.
- Dual independent safety architecture: separate over-temperature prevention module (adjustable 30–80 °C), dedicated thermal cutoff fuse, and electronic leakage/overcurrent protection compliant with IEC 61010-1.
- Self-diagnostic firmware continuously monitors critical subsystems—including water level, sensor integrity, power continuity, and thermal boundary compliance—and logs fault events with timestamped alerts.
- Ergonomic design includes LCD interface with backlight, clock display, parameter password lock, and calibration offset adjustment for traceable instrument verification.
Sample Compatibility & Compliance
The ZXJD-A1430 accommodates standard Petri dishes (90–150 mm), multi-well plates (6–96-well), slant tubes, liquid culture flasks (up to 2 L), and agar-filled jars—facilitating parallel processing of diverse fungal isolates (e.g., Aspergillus, Penicillium, Trichoderma) and bacterial strains requiring elevated humidity. Its internal geometry conforms to ASTM E1269–22 guidelines for incubator spatial uniformity assessment, and temperature performance meets ISO 20387:2018 Annex C requirements for biobanking infrastructure. When configured with optional RS-232 serial interface and embedded printer, the system supports audit-ready data capture aligned with FDA 21 CFR Part 11 principles—enabling electronic signatures, user access control, and immutable event logging for QC/QA documentation.
Software & Data Management
While the ZXJD-A1430 operates as a standalone unit with local LCD control, its RS-232 interface enables integration into centralized laboratory information management systems (LIMS) or SCADA platforms via ASCII-based command protocols. All programmed cycles, real-time sensor readings, alarm triggers, and system status flags are accessible via serial polling—permitting automated CSV export, trend visualization in third-party tools (e.g., LabVIEW, MATLAB), and scheduled report generation. Parameter memory retains up to 20 user-defined protocols with timestamped versioning, and password-protected configuration prevents unauthorized modification—a prerequisite for ISO/IEC 17025 Clause 7.7 and GLP Principle 5 compliance.
Applications
This incubator serves as a core platform for regulatory and research applications including: mold susceptibility testing per USP and EP 2.6.12; BOD5 incubation in wastewater analysis (APHA Standard Methods 5210B); fungal preservation and viability assessment in pharmaceutical cleanroom environmental monitoring programs; phytopathogen culture for agricultural biocontrol strain development; and long-term storage of fungal reference materials under defined RH conditions. Its 430 L capacity and modular shelf layout support scalable throughput for clinical microbiology labs, contract research organizations (CROs), and university mycology departments conducting comparative growth studies across multiple isolates.
FAQ
What humidity control options are available for the ZXJD-A1430?
The unit is offered in two variants: dry-wet mode (humidity adjustable between 30–95% RH via external humidifier integration) and constant-humidity mode (factory-configured fixed RH setpoint). Humidity control is not built-in but supported via compatible third-party humidification modules connected through the Φ50 mm test port.
Is the refrigeration system suitable for continuous operation at 4 °C?
Yes—the air-cooled R134a system is rated for uninterrupted duty at minimum setpoint, with thermal load compensation algorithms preventing compressor cycling instability during prolonged low-temperature operation.
Can the incubator be validated for GMP environments?
It supports IQ/OQ execution through documented calibration procedures, sensor traceability (NIST-traceable reference probes), and configurable alarm thresholds—though formal PQ must be performed in situ using user-defined acceptance criteria per Annex 15 of EU GMP Guidelines.
What is the maximum number of shelves that can be installed?
The standard configuration includes two electropolished stainless-steel shelves; up to four shelves may be installed using optional reinforced support rails—maintaining ≥90% volumetric airflow clearance per shelf tier.
Does the unit comply with electromagnetic compatibility (EMC) standards?
It meets EN 61326-1:2013 Class B emission limits and EN 61000-4-x immunity requirements for laboratory equipment, verified via third-party EMC testing reports available upon request.

