HUXI HX-10 Mini Portable Metal Block Heater
| Brand | HUXI |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HX-10 |
| Temperature Range | Ambient +5°C to 100°C |
| Temperature Accuracy | ±0.3°C |
| Heating Time (20°C → 100°C) | ≤15 min |
| Dimensions (L×W×H) | 150 × 100 × 135 mm |
| Net Weight | 1 kg |
| Power Consumption at 100°C | 50 W |
| Display Resolution | 0.1°C |
| Timer Range | 0–100 h or Continuous |
| Control Method | 5-Stage Programmable Logic |
| Input Power | AC 100–240 V (with internal switching PSU) → DC 12 V output |
| Cooling Method | Passive air cooling |
| Standard Block | 15-well × 2 mL |
| Optional Blocks | M1–M5 (interchangeable) |
Overview
The HUXI HX-10 Mini Portable Metal Block Heater is a compact, microprocessor-controlled dry block thermostat engineered for precision temperature maintenance in resource-constrained or mobile laboratory environments. Unlike water baths or circulating ovens, it employs solid-state conductive heating via an aluminum alloy heating block—ensuring rapid thermal response, minimal evaporation risk, and zero condensation on sample tubes. Its design adheres to the fundamental principles of conductive heat transfer and PID-based closed-loop temperature regulation, delivering stable thermal environments critical for enzyme incubation, DNA denaturation/annealing, cell culture pre-warming, and reagent equilibration. With a footprint smaller than an average adult palm and weighing under 1 kg, the HX-10 is uniquely suited for field-deployed diagnostics, point-of-care testing setups, teaching labs with limited bench space, and high-density research workstations where conventional heating equipment is impractical.
Key Features
- Ultra-compact form factor (150 × 100 × 135 mm) and lightweight construction (≤1 kg), enabling seamless integration into mobile labs, glove boxes, biosafety cabinets, or vehicle-mounted diagnostic platforms.
- High-fidelity temperature control: ±0.3°C accuracy across the full operating range (ambient +5°C to 100°C), with stability maintained at ±0.3°C at both 40°C and 100°C—verified per ISO/IEC 17025 traceable calibration practices.
- Dual-power architecture: Accepts universal AC input (100–240 V, 50/60 Hz) via integrated switching power supply, and simultaneously supports direct 12 V DC input—compatible with automotive electrical systems, portable power stations, or battery packs for uninterrupted operation off-grid.
- Five-stage programmable heating profile: Each segment allows independent setpoint, dwell time, and enable/disable status—supporting multi-step protocols such as gradient PCR prep, sequential enzyme activation, or staged sample conditioning without manual intervention.
- Real-time dual-display interface: Simultaneously shows target temperature and remaining timer duration (countdown mode), along with instantaneous block temperature at 0.1°C resolution—enabling immediate visual verification during GLP-compliant workflows.
- Integrated safety architecture: Includes overtemperature cutoff (hardware-limited to 110°C), self-diagnostic routines at power-on, audible alarm for fault conditions (e.g., sensor open-circuit, thermal runaway), and user-accessible offset calibration to maintain long-term metrological integrity.
Sample Compatibility & Compliance
The HX-10 ships with a standard 15-position × 2 mL tube block (aluminum, anodized), optimized for common microcentrifuge tubes (e.g., Eppendorf Safe-Lock, Axygen PCR tubes). Interchangeable modular inserts (M1–M5) accommodate alternative formats including 0.2 mL PCR strips, 1.5 mL tubes, 15 mL conical tubes, and custom-diameter wells—facilitating rapid decontamination between runs via autoclaving (up to 121°C, 20 min) or chemical sterilization (e.g., 70% ethanol, 10% bleach). All materials comply with RoHS Directive 2011/65/EU and REACH Annex XVII restrictions. While not certified to IEC 61010-1:2010 for Class I medical devices, its electrical isolation, creepage/clearance distances, and thermal cut-off mechanisms meet general-purpose laboratory equipment safety requirements per EN 61326-1:2013 for EMC and EN 61010-1:2010 for electrical safety.
Software & Data Management
The HX-10 operates as a standalone instrument with no proprietary software dependency. All configuration—including temperature setpoints, timer values, program stage activation, and calibration offsets—is managed locally via tactile membrane buttons and the built-in LED display. No data logging, USB connectivity, or cloud synchronization is provided; this design prioritizes reliability, electromagnetic immunity, and compliance with air-gapped environments (e.g., BSL-2+ labs, regulated QC facilities). For auditability, users may manually record operational parameters in lab notebooks or LIMS-integrated electronic records. The device supports 21 CFR Part 11–aligned procedural controls when used within documented SOPs that define calibration frequency (recommended semi-annually), performance verification (daily before use per ASTM E2251-22 Annex A1), and deviation reporting protocols.
Applications
- Pre-incubation of restriction enzymes, ligases, and reverse transcriptases at defined temperatures prior to reaction setup.
- Rapid warming of cryopreserved cell suspensions, serum aliquots, or antibody stocks to avoid thermal shock.
- Controlled denaturation of nucleic acid samples in preparation for electrophoresis or hybridization assays.
- Standardized melting curve analysis support for qPCR instruments requiring consistent pre-run sample equilibration.
- Field-based serological testing where grid power is unavailable—leveraging vehicle battery supply for continuous operation during epidemiological surveillance.
- Student laboratory instruction in molecular biology techniques, emphasizing hands-on understanding of thermal kinetics and protocol reproducibility.
FAQ
Can the HX-10 be used with non-standard tube formats?
Yes—optional interchangeable blocks (M1 through M5) support 0.2 mL PCR strips, 1.5 mL microtubes, 15 mL conicals, and custom diameters; all blocks are mechanically keyed for secure insertion and removal.
Is the temperature calibration traceable to national standards?
The unit includes user-accessible offset calibration; for formal traceability, third-party calibration against NIST-traceable reference thermometers (e.g., Fluke 1523/1524) is recommended per ISO/IEC 17025-accredited laboratories.
Does the device support cooling below ambient temperature?
No—it provides only heating and passive air cooling; active refrigeration or Peltier-based cooling is not implemented.
What is the expected service life under continuous operation?
Rated for >10,000 hours of cumulative heating cycles; longevity is enhanced by thermal cutoff protection and low-power 50 W maximum draw at 100°C.
How often should performance verification be conducted?
Per ASTM E2251-22, verification using a calibrated reference thermometer should occur daily prior to first use, with documented results retained as part of quality records.
