TT-HES-1 Mini Electrophoresis System by Hercuvan
| Brand | Hercuvan |
|---|---|
| Origin | Malaysia |
| Model | TT-HES-1 Mini |
| Instrument Type | U-shaped Gel Electrophoresis Apparatus |
| Sample Capacity | 54 wells |
| Operating Voltage | 240 V AC (input), with preset output voltages: 35 V, 50 V, 100 V DC |
| Integrated Power Supply | Yes |
| Safety Interlock | Magnetic lid sensor |
| Cooling Ventilation | Passive airflow via lid vents |
| Gel Tray Features | Black contrast strips for UV/blue-light visualization |
| Comb Configuration | Dual-sided comb (fine-toothed for multichannel pipette compatibility) |
| Power Interface | Direct slot-in connection between power module and electrophoresis tank |
| Timer | Digital, 0–99 min or continuous mode |
Overview
The TT-HES-1 Mini Electrophoresis System by Hercuvan is a compact, integrated U-shaped gel electrophoresis apparatus engineered for routine nucleic acid and protein separation in teaching laboratories, quality control environments, and field-deployable molecular workflows. Unlike traditional benchtop systems requiring external power supplies and separate gel tanks, the TT-HES-1 Mini embeds a regulated DC power source directly into the electrophoresis tank assembly—enabling rapid setup with zero cable clutter and minimal footprint. Its operational principle relies on constant-voltage electrophoretic migration of charged biomolecules through porous polyacrylamide or agarose matrices under controlled electric fields. The system supports standard horizontal gel formats and is optimized for reproducible band resolution in applications ranging from PCR product verification to SDS-PAGE pre-screening. Designed and manufactured in Malaysia, it meets international electrical safety standards for Class I laboratory equipment (IEC 61010-1) and complies with electromagnetic compatibility requirements (IEC 61326-1).
Key Features
- Integrated power architecture: The DC power module docks directly into the gel tank via a keyed slot interface—eliminating external cables, reducing benchtop congestion, and minimizing voltage drop across connections.
- Three fixed-voltage presets (35 V, 50 V, 100 V): Optimized for varying gel concentrations and matrix types—e.g., low-voltage settings for high-resolution DNA fragment separation in 2–3% agarose; higher settings for rapid protein migration in 8–12% polyacrylamide gels.
- Digital timer with dual-mode operation: Programmable for 0–99 minutes or continuous run mode; auto-shutdown upon completion ensures consistent run duration and prevents over-migration.
- Fail-safe magnetic lid interlock: Current flows only when the transparent polycarbonate lid is fully seated—the embedded Hall-effect sensor de-energizes electrodes within <100 ms if the lid is lifted during operation, complying with EN 61010-1 Clause 7.3.2 for operator protection.
- Passive thermal management: Strategically placed ventilation channels in the lid facilitate natural convection cooling during extended runs, mitigating localized Joule heating that may distort band morphology or cause gel dehydration.
- Optimized gel tray design: Features integrated black contrast strips aligned parallel to sample wells—enhancing visual tracking under UV transillumination (254 nm/302 nm) or blue-light excitation (470 nm), without requiring post-staining contrast agents.
Sample Compatibility & Compliance
The TT-HES-1 Mini accommodates standard mini-gel formats up to 10 × 10 cm, supporting both agarose (0.8–3.0%) and polyacrylamide (8–20%) matrices. Its 54-well capacity (using a dual-sided comb with 1.0 mm or 1.5 mm well widths) enables parallel processing of multiple samples—including ladders, controls, and replicates—within a single run. The system is compatible with common nucleic acid stains (e.g., ethidium bromide, SYBR Safe, GelRed) and protein dyes (Coomassie Brilliant Blue R-250, silver nitrate). From a regulatory standpoint, its construction adheres to RoHS Directive 2011/65/EU for hazardous substance restriction and carries CE marking for conformity with EU health, safety, and environmental protection legislation. While not certified for GMP production environments, its traceable operation (via timer logs and voltage consistency) supports GLP-aligned documentation practices in academic and industrial research labs.
Software & Data Management
The TT-HES-1 Mini operates as a standalone hardware platform with no embedded firmware or connectivity interfaces—ensuring deterministic behavior and eliminating cybersecurity exposure vectors. All operational parameters (voltage selection, timer setting, run initiation) are controlled via tactile push-button inputs and displayed on a 3-digit LED screen. No proprietary software, drivers, or cloud dependencies are required. For auditability, users may manually record run conditions in lab notebooks or integrate with third-party electronic lab notebook (ELN) systems using standardized metadata templates (e.g., ISO/IEC 17025-compliant run logs). Though lacking FDA 21 CFR Part 11-compliant electronic signatures, its simplicity aligns with risk-based validation approaches for non-critical electrophoresis steps in early-stage R&D.
Applications
- Routine DNA fragment analysis: Verification of PCR amplification products, restriction digests, and cloning constructs.
- RNA integrity assessment: Visualization of 18S/28S ribosomal bands in denaturing formaldehyde gels.
- Protein QC screening: Rapid Coomassie-stained SDS-PAGE checks for expression, purity, and molecular weight confirmation prior to Western blotting.
- Teaching laboratory instruction: Ideal for undergraduate biochemistry and molecular biology courses due to intuitive operation, built-in safety logic, and robust mechanical design.
- Field-deployable diagnostics: Compact dimensions (240 × 140 × 120 mm) and 240 V AC input compatibility support use in mobile labs and resource-limited settings with stable mains supply.
FAQ
Is the TT-HES-1 Mini compatible with vertical gel electrophoresis?
No—it is designed exclusively for horizontal (submerged) gel electrophoresis configurations. Vertical setups require separate electrode chambers and gravity-independent buffer containment not supported by this U-tank architecture.
Can I adjust voltage continuously, or only use the three presets?
Voltage is fixed to 35 V, 50 V, or 100 V DC output—no analog or digital fine-tuning is available. This design prioritizes repeatability and simplifies protocol transfer across user groups.
What is the maximum recommended run time at 100 V?
For optimal gel integrity and thermal stability, continuous operation at 100 V should not exceed 45 minutes when using standard 1× TAE or 1× TBE buffers and ambient lab temperatures (20–25 °C).
Does the system include a UV transilluminator?
No—UV or blue-light visualization requires an external transilluminator or gel documentation system. The black contrast strips on the tray enhance visibility under such illumination but do not emit light.
Is the gel casting apparatus autoclavable?
The included casting stand and combs are made from chemical-resistant ABS plastic and may be sterilized via ethanol wipe-down or 10% bleach immersion. Autoclaving is not recommended due to thermal deformation risk above 80 °C.
