The Wincom Company Ltd. HJ-6A is a multi-unit (6-joint) digital thermostatic magnetic stirrer heating mantle designed for concurrent liquid heating and mixing in laboratory environments. It features six independently controlled heating and stirring stations, allowing laboratory operators to run multiple distinct samples simultaneously under exact thermal and rotational parameters.
Key Technical Specifications
- Configuration: 6 independent multi-unit heads (six-joint setup).
- Capacity: Supports configurations of either 6 x 250ml or 6 x 500ml flasks.
- Rotational Speed: Variable stepless speed control ranging from 0 to 2400rpm (or 0to 1800rpm depending on the variant) managed by low-noise, low-vibration DC permanent magnet motors.
- Heating Element: High-temperature resistant fiberglass nested insulation paired with wrapped nickel-chrome resistance wires forming a hemisphere internal heater.
- Thermal Regulation: Microcomputer intelligent digital temperature control featuring an LED display.
- Power Supply: Dual compatibility configurations supporting 220V50Hz or 110V 60Hz.
- Build Material: High-temperature sprayed plastic over a cold-rolled plate touch-welded chassis for chemical corrosion protection.
Core Functions & Practical Benefits
- Multi-Sample Throughput: Allows the user to blend and heat up to six separate tests at once, which increases overall operational workflow speeds in analytical, biological, and chemical laboratories.
- Uniform Heat Distribution: The hemispherical weaving shape of the fiberglass mantel ensures uniform heat contact along the base curves of round-bottom flasks to eliminate localized boiling pockets.
- Isolated Speed Stability: Individual speed control dials ensure specialized stirring rates per station without interfering with neighboring units.
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