Thermo Scientific SKU Digital Dry Bath / Heating Module
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SKU |
| Pricing | Available Upon Request |
Overview
The Thermo Scientific SKU Digital Dry Bath is a precision-engineered constant-temperature heating platform designed for reproducible, contamination-free thermal incubation of samples in tubes, vials, and microplates. Unlike water baths, this metal block-based system eliminates evaporation, condensation, and microbial growth risks by employing solid-state conductive heating through interchangeable aluminum alloy blocks. It operates on the principle of resistive heating combined with closed-loop PID temperature control—ensuring stable thermal equilibrium across the entire block surface within ±0.3 °C at setpoint (typical), with ramp rates optimized for biochemical reaction kinetics. The unit is engineered for routine use in molecular biology, clinical diagnostics, and quality control laboratories where traceability, thermal uniformity, and operator safety are critical.
Key Features
- Digital PID temperature controller with real-time display of both setpoint and actual block temperature (range: ambient +5 °C to 100 °C)
- Programmable timer (0–99 hours 59 minutes) with audible end-of-cycle alert and auto-shutdown functionality
- Interchangeable anodized aluminum heating modules (compatible with 1.5/2.0 mL microcentrifuge tubes, 0.2 mL PCR strips, 96-well plates, and custom configurations)
- Robust powder-coated steel chassis with integrated ventilation and heat-dissipating fins for long-term operational stability
- Independent over-temperature protection circuit (cut-off at ~110 °C) compliant with IEC 61010-1 safety standards
- Factory-calibrated temperature sensor with user-accessible offset adjustment (±5 °C range) for traceable calibration against NIST-traceable reference thermometers
Sample Compatibility & Compliance
The SKU Dry Bath accommodates standard laboratory consumables including Eppendorf-style tubes, PCR tubes, strip tubes, and shallow-well microplates—enabling seamless integration into workflows such as DNA denaturation, enzyme activation, serum inactivation, and antigen-antibody incubation. All aluminum modules undergo passivation treatment to prevent leaching and ensure compatibility with sensitive biological reagents. The device meets CE marking requirements under the Low Voltage Directive (2014/35/EU) and Electromagnetic Compatibility Directive (2014/30/EU). While not inherently GLP/GMP-certified, its programmable timer, temperature logging capability (via optional RS-232 or USB interface), and calibration traceability support compliance with ISO/IEC 17025, CLIA, and FDA 21 CFR Part 11 when deployed with validated software protocols.
Software & Data Management
The base model operates via front-panel controls; however, optional communication interfaces (RS-232 or USB) enable connection to laboratory information management systems (LIMS) or custom scripting environments (e.g., Python, LabVIEW). When paired with Thermo Fisher’s optional ThermalTrack™ software suite (sold separately), users gain access to audit-trail-enabled temperature logging, multi-device scheduling, electronic signature support, and export of CSV-formatted time-series data for regulatory submission. All firmware updates are delivered via secure HTTPS endpoints and include SHA-256 integrity verification—ensuring alignment with cybersecurity best practices outlined in NIST SP 800-53 Rev. 5.
Applications
- Enzyme storage and activation at defined temperatures (e.g., restriction digests at 37 °C, ligase reactions at 16 °C)
- Pre-incubation of blood samples for coagulation assays (e.g., PT/INR, aPTT)
- Controlled denaturation of nucleic acids prior to electrophoresis or hybridization
- Thermal equilibration of reagents in ELISA and immunoassay workflows
- Accelerated stability testing of pharmaceutical intermediates under controlled thermal stress
- Sample thawing and holding for cryopreserved cell cultures without thermal shock
FAQ
Is module calibration included with the instrument?
Yes—each unit ships with a factory-issued calibration certificate referencing NIST-traceable standards. User-performed offset adjustments are supported via the front panel.
Can multiple modules be used simultaneously on one unit?
No—the SKU Dry Bath accepts only one module at a time. However, modules are hot-swappable without power-down, enabling rapid transition between tube formats.
What maintenance is required for long-term accuracy?
Annual verification using a calibrated digital thermometer probe inserted into designated test wells is recommended. Cleaning is limited to isopropyl alcohol wipe-downs; no lubricants or solvents should contact heated surfaces.
Does the device support external temperature monitoring via probe input?
Not natively—the internal Pt100 sensor monitors block temperature only. External sample temperature must be verified independently using a separate calibrated probe.
Are spare modules available for purchase separately after initial order?
Yes—Thermo Fisher offers a full catalog of certified replacement modules (SKU-M1, SKU-M2, SKU-M4) with serialized traceability documentation for audit readiness.
