DRETOP ZDP-9012 Electric Constant Temperature Incubator
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZDP-9012 |
| Heating Method | Direct-heating Air-jacketed |
| Convection Mode | Natural Convection |
| Control System | Digital PID Controller |
| Temperature Range | RT + 2°C to 65°C |
| Temperature Control Accuracy | ±0.5°C |
| Temperature Uniformity | ±1.0°C (empty chamber @ 37°C) |
| Chamber Volume | 16 L |
| External Dimensions (W×D×H) | 380 × 385 × 530 mm |
| Power Input | 180 W |
| Temperature Resolution | 0.1°C |
| Shelf Capacity | 1 adjustable stainless steel shelf |
Overview
The DRETOP ZDP-9012 Electric Constant Temperature Incubator is a precision-engineered, benchtop laboratory incubator designed for reliable, stable thermal environments in microbiological culture, enzymatic assays, cell maintenance, and routine temperature-controlled experimentation. It operates on the principle of resistive heating via embedded electric heating elements distributed uniformly along the inner chamber walls—enabling rapid thermal response and minimizing vertical or horizontal temperature gradients. Unlike forced-air convection units, the ZDP-9012 employs natural convection with an optimized internal air path architecture, making it ideal for applications where vibration sensitivity, condensation control, or minimal airflow disturbance are critical—such as bacterial colony isolation, yeast propagation, or short-term tissue storage. Its compact 16 L chamber volume and energy-efficient 180 W power draw support space-constrained labs while maintaining compliance with fundamental ISO/IEC 17025 environmental monitoring requirements for non-regulated research workflows.
Key Features
- High-stability PID digital temperature controller with 0.1°C resolution and real-time display of setpoint, actual temperature, and elapsed time on a large backlit LCD screen;
- Direct-heating air-jacketed design with high-efficiency electric heating film elements mounted on all four inner chamber walls—ensuring uniform heat distribution and eliminating cold spots;
- Stainless steel interior chamber (304 grade) with removable, height-adjustable shelves; smooth-welded corners and seamless construction facilitate complete sterilization and residue-free cleaning;
- Dual-door observation window system: outer magnetic door seal with thermal insulation layer + inner tempered glass door—reducing heat loss and enabling continuous visual monitoring without thermal interruption;
- Robust structural engineering: electrostatically powder-coated steel exterior with rounded corner profile for mechanical durability and ergonomic handling;
- Intelligent safety functions including over-temperature alarm (user-definable threshold), auto-restart after power recovery, parameter retention during power failure, and independent backup thermostat option (available as accessory);
- Energy-optimized heating algorithm dynamically modulates power output during ramp-up phases to prevent overshoot and ensure reproducible thermal profiles.
Sample Compatibility & Compliance
The ZDP-9012 accommodates standard Petri dishes (up to 150 mm), multi-well plates (6–96-well), test tubes (13–18 mm diameter), and small-volume flasks (≤500 mL). Its natural convection environment avoids desiccation of agar-based media and supports long-duration incubation of fastidious organisms requiring low-turbulence conditions. While not certified for GMP manufacturing use, the unit meets general laboratory equipment performance criteria referenced in ISO 13408-1 (Aseptic Processing) for non-sterile environment qualification, and its temperature stability (±0.5°C control accuracy, ±1.0°C uniformity at 37°C) aligns with CLSI M22-A3 guidelines for microbial growth studies. Optional accessories—including RS485 communication interface, external temperature probe port, and UV-C germicidal lamp—enable integration into GLP-compliant validation protocols.
Software & Data Management
The ZDP-9012 operates as a standalone instrument with no embedded software stack. All operational parameters are configured locally via the front-panel keypad and retained in non-volatile memory. For laboratories requiring audit-ready records, optional analog/digital interfaces support connection to external data loggers compliant with FDA 21 CFR Part 11 when paired with validated third-party acquisition systems. The RS485 port (optional) enables Modbus RTU communication for centralized monitoring in multi-incubator lab networks. No proprietary software installation or cloud dependency is required—ensuring full data sovereignty and compatibility with existing LIMS or ELN platforms.
Applications
- Bacterial and fungal cultivation (e.g., E. coli, S. aureus, C. albicans) under standardized 37°C conditions;
- Enzyme activity assays requiring precise thermal hold periods between 25°C and 65°C;
- Seed germination testing and plant tissue pre-incubation in agricultural research;
- Quality control of raw materials in food, feed, and cosmetic production facilities;
- Short-term storage of hybridoma cells, primary lymphocytes, or serum samples prior to analysis;
- Environmental simulation studies involving mesophilic microorganism response to controlled thermal stress.
FAQ
What is the recommended calibration frequency for the ZDP-9012?
Annual calibration using NIST-traceable reference thermometers is advised for laboratories adhering to ISO/IEC 17025 or internal quality standards. Calibration should include verification at three points: 25°C, 37°C, and 60°C.
Can the incubator be used for CO₂-independent cell culture?
Yes—the ZDP-9012 maintains stable humidity only through ambient air saturation; it does not regulate CO₂ or active humidification. It is suitable for short-term maintenance of adherent lines (e.g., HEK293, HeLa) in sealed vessels but not for long-term suspension culture without supplemental gas control.
Is the stainless steel chamber passivated to ASTM A967 standards?
The 304 stainless steel interior undergoes standard electropolishing and passivation per manufacturer’s internal specification; full ASTM A967 certification documentation is available upon request for regulated users.
Does the unit meet electromagnetic compatibility (EMC) requirements for EU laboratories?
Yes—it complies with EN 61326-1:2013 for laboratory equipment and carries CE marking under the Low Voltage Directive (2014/35/EU) and EMC Directive (2014/30/EU).
Can external sensors be connected for remote monitoring?
An optional PT100-compatible test port (accessory) allows integration with external data loggers or building management systems for continuous temperature traceability across multiple locations.





