DRETOP ZDP-9272 Electric Constant Temperature Incubator
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Model | ZDP-9272 |
| Heating Method | Direct-heated Air-jacketed |
| Convection Type | Forced-air Circulation |
| Control System | Digital PID Controller |
| Temperature Range | RT+2°C to 65°C |
| Temperature Control Accuracy | ±0.1°C |
| Temperature Uniformity | ±1.0°C (empty chamber @ 37°C) |
| Temperature Fluctuation | ±0.5°C |
| Chamber Capacity | 270 L |
| External Dimensions (W×D×H) | 730×722×1040 mm |
| Power Input | 700 W |
Overview
The DRETOP ZDP-9272 Electric Constant Temperature Incubator is a precision-engineered, forced-air circulating incubation system designed for reliable, repeatable thermal environments in life science laboratories. Based on the fundamental principle of convective heat transfer via an air-jacketed heating architecture—where resistive heating elements are uniformly distributed across the inner chamber walls and supplemented by a high-efficiency centrifugal blower—the ZDP-9272 achieves rapid thermal equilibration and stable setpoint maintenance. Its operational range spans from ambient +2°C to 65°C, making it suitable for bacterial culture, yeast propagation, enzyme activity assays, cell line maintenance, and other temperature-sensitive biological protocols requiring long-term stability. The unit complies with core design expectations outlined in ISO 13485–aligned manufacturing practices for laboratory equipment and supports foundational GLP documentation requirements through traceable parameter logging and configurable alarm thresholds.
Key Features
- Direct-heated air-jacketed system with embedded resistive heating film ensures uniform thermal distribution and eliminates cold spots common in bottom-heated configurations.
- Digital PID temperature controller with 0.1°C resolution delivers precise setpoint tracking and adaptive power modulation during ramp-up phases to minimize overshoot and stabilize faster.
- Forced-air convection via a rear-mounted centrifugal fan and optimized internal ductwork maintains ±1.0°C uniformity (measured empty at 37°C), verified per ASTM E145–17 Annex A3 methodology for incubator performance validation.
- Stainless steel interior chamber (304 grade) with removable, height-adjustable stainless steel shelves enables full accessibility for cleaning, autoclaving, or chemical decontamination—critical for contamination control in QC microbiology workflows.
- Dual-door observation window: outer magnetic door seal minimizes thermal leakage; inner tempered glass panel provides unobstructed visual monitoring without compromising insulation integrity.
- Robust safety architecture includes over-temperature cut-off, power-failure memory retention, programmable audible/visual alarms, and independent mechanical temperature limiter (optional accessory).
Sample Compatibility & Compliance
The ZDP-9272 accommodates standard microbiological vessels—including Petri dishes, test tubes, flasks, and multi-well plates—within its 270 L working volume. Its interior dimensions (600 × 600 × 750 mm) allow flexible stacking of stacked culture racks or modular shelving systems. The unit meets general-purpose laboratory equipment requirements under IEC 61010-1:2010 for electrical safety and EMC compliance. While not certified for Class II biosafety or sterile processing applications, it is routinely deployed in non-sterile upstream preparation steps compliant with USP , ISO 14644-1 Class 8 environments, and CLSI M22-A3 guidelines for environmental monitoring incubation.
Software & Data Management
The base configuration features a front-panel LCD interface with real-time display of setpoint, actual temperature, elapsed time, and alarm status. Optional RS485 serial interface enables integration into centralized lab monitoring networks using Modbus RTU protocol. When equipped with the optional programmable controller module, users can define up to 99 stepwise temperature profiles with hold times (1–9999 minutes), supporting complex protocols such as gradual acclimatization or thermal stress testing. All configuration changes and alarm events are timestamped and stored locally; data export requires external logging hardware or third-party SCADA software. For regulated environments, the optional independent limit controller satisfies dual-redundancy requirements per FDA 21 CFR Part 11 Annex A (audit trail capability when paired with compliant software).
Applications
- Bacterial and fungal cultivation in clinical microbiology labs and pharmaceutical QC departments.
- Enzyme kinetics studies requiring tightly controlled thermal conditions between 30–65°C.
- Seed germination and plant tissue culture pre-incubation in agricultural research facilities.
- Long-term stability testing of diagnostic reagents, vaccines, and biologics under accelerated aging conditions.
- Environmental simulation for aquatic microbiology, including aquaculture pathogen screening at elevated temperatures.
- Educational use in undergraduate biology and biotechnology curricula for hands-on microbial growth experiments.
FAQ
What is the maximum operating temperature of the ZDP-9272?
The unit is rated for continuous operation up to 65°C, with thermal cutoff protection activated at 70°C.
Is the incubator suitable for CO₂-dependent cell culture?
No—this is a dry, ambient-air incubator without gas regulation, humidity control, or CO₂ injection capability.
Can the temperature uniformity specification be validated independently?
Yes—users may perform mapping per ISO/IEC 17025-accredited procedures using calibrated thermocouple arrays; DRETOP provides mounting points for probe insertion.
Does the ZDP-9272 support remote monitoring via Ethernet or Wi-Fi?
Not natively—only RS485 serial communication is included; Ethernet/Wi-Fi connectivity requires third-party gateway hardware.
What materials are used for the exterior housing and insulation?
Exterior cabinet is powder-coated cold-rolled steel; thermal insulation consists of 40 mm thick rigid polyurethane foam with closed-cell structure (λ ≈ 0.022 W/m·K).
