LACHOI Scientific Instrument Co., Ltd. (LACHOI) is a comprehensive service provider of laboratory instruments & equipments integrating R&D, concept to production, marketing, sales, and testing services. Founded in 2021, based on our business philosophy, we have a first-class R&D center and production workshop covering more than 3000 sq. meter. Our diverse products are widely used in quality inspection, chemistry and chemical engineering, biopharmaceuticals, food hygiene, environmental protection, petrochemical engineering, machinery manufacturing, teaching and scientific research field and have been exported to dozens of countries all over the world. We are committed to providing customers with state of the art leading technology laboratory instrumentation products, and providing more users with a variety of laboratory solutions!
 
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Electric Overhead Stirrer

LCH-OES Series Digital Overhead Stirrer

Key Features

  • Specialized for High Viscosity: Capable of stirring substances with viscosity up to 30,000 mPa·s (60L model), ideal for creams, shampoos, and polymers.

  • Exceptional Torque Power: Delivers up to 30 N·cm of torque, ensuring consistent stirring speed even with high-density materials.

  • Large Capacity Support: Available in three heavy-duty sizes: 20 Liters, 40 Liters, and a maximum of 60 Liters.

  • Digital LCD Display: High-contrast screen for real-time monitoring of speed and time (on LD models).

  • Smart Timer Function: (LD models only) Programmable timer for continuous operation up to 99 hours and 59 minutes.

  • DC Permanent Magnet Motor: A high-quality motor provides stable performance, long-term durability, and low-noise operation.

  • Safety & Reliability: Integrated with overload protection to ensure safe operation and extend the machine’s lifespan.

Technical Specifications

  • 20L Models (20L/20LD): Max Torque 10 N·cm | Viscosity up to 10,000 mPa·s

  • 40L Models (40L/40LD): Max Torque 20 N·cm | Viscosity up to 20,000 mPa·s

  • 60L Models (60L/60LD): Max Torque 30 N·cm | Viscosity up to 30,000 mPa·s

  • Speed Range: 100 – 2,000 rpm (All models)

  • Power Supply: AC 100-240V (Global compatibility)

LC-OES PRO Series Overhead Stirrer

Key Features

  • Ultra-Precise Speed Control: Advanced digital control system ensures high accuracy with a speed deviation of only ±10 rpm.

  • Smart Timing System (SH PRO Models Only): Programmable timer for continuous operation up to 99 hours 59 minutes and 59 seconds.

  • High-Contrast LCD Display: Provides clear and accurate real-time monitoring of speed and timing status.

  • Large Capacity up to 60L: Designed for heavy-duty stirring, supporting volumes of 20L, 40L, and up to 60L with unwavering power.

  • Superior Viscosity Performance: Capable of handling substances with high viscosity up to 30,000 mPa·s, ensuring consistent mixing results.

  • DC Permanent Magnet Motor: High-performance motor technology delivers quiet operation, low heat generation, and a long service life.

  • Robust Construction: Built for maximum stability and reliability on the laboratory benchtop even at high-speed settings.

Technical Specifications

  • Speed Range: 100 – 2,000 rpm

  • Maximum Volume (H2O): 20L / 40L / 60L (Model specific)

  • Max Viscosity: 10,000 / 20,000 / 30,000 mPa·s

  • Speed Accuracy: ±10 rpm

  • Timing Function: Available on SH PRO models (e.g., LC-OES-200SH PRO)

  • Power Supply: Wide range AC 100-220V (50/60Hz)

LCA-OS Series Brushless DC Overhead Stirrer

Key Features

  • High-Efficiency DC Brushless Motor: Designed for long-term continuous operation with zero maintenance, high torque output, and ultra-quiet performance.

  • Ultimate Speed Accuracy: Features an advanced digital control system with an incredible setting accuracy of ±1 rpm, meeting the strictest laboratory standards.

  • Extreme Torque for High Viscosity: The 60N model delivers a powerful 60 N·cm torque, capable of handling highly viscous materials up to 50,000 mPa·s.

  • Wide Speed Range: Provides smooth and stable stirring starting from a low 50 rpm up to 2,000 rpm.

  • Integrated Timer (PRO Models Only): High-precision timer programmable for continuous operation up to 99 hours and 59 minutes.

  • Versatile Drill Chuck: Securely clamps stirring shafts with diameters ranging from 0.5 mm to 10 mm.

  • Robust & Stable Construction: Weighing 10.4 kg, this series ensures maximum stability even when stirring large volumes up to 40 liters.

Technical Specifications

  • Available Models: LCA-OS-40N (20L) / LCA-OS-60N (40L) / PRO versions (with Timer)

  • Maximum Torque: 40 – 60 N·cm

  • Maximum Viscosity: 15,000 – 50,000 mPa·s

  • Speed Accuracy: ±1 rpm

  • Speed Range: 50 – 2,000 rpm

  • Display Mode: LCD Digital Display

LCS-OS Series Upgraded Overhead Stirrer (High-Torque)

Key Features

  • Extreme Viscosity Performance: Specifically engineered for high-density materials like adhesives, polymers, and heavy creams, supporting a massive viscosity of up to 100,000 mPa·s.

  • Upgraded Brushless DC Motor: Delivers relentless and stable power even under heavy loads. Maintenance-free, quiet, and designed for continuous professional use.

  • Large Scale Capacity: Stirring volumes supported up to 60 Liters (80N model) with a powerful 270W motor output.

  • Precision Speed Control: High-accuracy digital system with a speed setting deviation of only ±3 rpm, ensuring repeatable results.

  • LCD Display & Intelligent Timer: Large digital screen for monitoring speed and timing, with a programmable timer up to 99 hours and 59 minutes.

  • Maximum Stability: Built with a heavy-duty frame (approx. 11.7 kg) to ensure no vibrations during high-volume stirring, including built-in overload protection.

Technical Specifications

  • Available Models: LCS-OS-60N (40L) / LCS-OS-80N (60L) / PRO versions (with Timer)

  • Maximum Torque: 60 – 80 N·cm

  • Max Stirring Viscosity: 50,000 – 100,000 mPa·s

  • Speed Range: 50 – 2,000 rpm

  • Setting Accuracy: ±3 rpm

  • Rated Power: Up to 270W

LC-HET Series High-Speed Disperser & Homogenizer

Key Features

  • Ultra-High Speed Performance: Reaches exceptional stirring speeds of 20,000 to 26,000 rpm, ideal for micro-sample homogenizing and high-efficiency emulsification.

  • Precision LCD Display: Digital interface allows for accurate real-time monitoring and control of operating speeds.

  • Advanced Timing System (25DT Model): Programmable timer up to 99 hours and 59 minutes for extended processes (1-8 mins for 25D model).

  • Integrated Temperature Measurement: The 25DT model features a measurement range from -10 to 200°C for sensitive sample quality control.

  • Interchangeable Dispersing Tools: Supports multiple tool sizes to handle various volumes from 0.2L micro-samples up to 7L batches.

  • High Power Output (1,050W): (25DT model) Provides relentless power for processing substances with viscosities up to 3,500 mPa·s.

  • High-Stability Stand Design: Engineered to minimize vibration and ensure safety during high-speed, heavy-duty laboratory tasks.

Technical Specifications

  • Available Models: LC-HET-25D (Standard) / LCS-HET-25DT (Advanced)

  • Speed Range: 5,000 – 26,000 rpm

  • Processing Capacity: Up to 7 Liters (Depending on the dispersing tool)

  • Timing Range: 1-8 min (25D) / Up to 99h 59min (25DT)

  • Net Weight: 9.54 – 10.5 kg

  • Power Supply: AC 220V 50Hz

LC-HES Series High-Speed Stirring Heater

Key Features

  • 5-inch LCD Color Touch Screen: Modern and intuitive interface providing real-time data visualization, graphs, and comprehensive parameter control.

  • Ultra-Precise Thermal Control: Achieves an exceptional temperature stability of ±0.2°C, critical for high-sensitivity chemical and biological reactions.

  • Integrated Heating System: Features a reliable heating range from RT+5°C up to 150°C.

  • High-Performance Brushless DC Motor: Delivers powerful stirring with ultra-quiet operation and an extended, maintenance-free lifespan.

  • Versatile Speed Range: Precise speed adjustment from 260 up to 2,300 rpm.

  • High Volume Support: Capable of stirring up to 30 Liters (1250T model) with consistent magnetic coupling and power.

  • Long-Term Timing Function: Programmable timer settings up to 30,000 minutes, ideal for continuous long-duration laboratory experiments.

Technical Specifications

  • Available Models: LC-HES-1250T (1250W) / LC-HES-500B (500W)

  • Temperature Control: RT+5 to 150°C (Accuracy ±0.2°C)

  • Max Stirring Volume: 2L and 30L (Model specific)

  • Speed Range: 260 – 2,300 rpm

  • Lift Distance: 185 mm

  • Display Mode: 5-inch LCD Color Touch Screen

LC-OES-F PRO Series Advanced Overhead Stirrer

Key Features

  • Forward & Reverse Rotation: (Available in FR and FP models) Optimizes mixing efficiency for high-viscosity substances, ensuring a more uniform blend and reducing air entrapment.

  • Intelligent Programming: (FP model only) Allows users to pre-set multi-step operating sequences for complex and automated experimental workflows.

  • Powerful Brushless DC Motor: Delivers consistent high torque with minimal noise and an exceptionally long, maintenance-free lifespan.

  • Large Capacity up to 60L: Engineered to handle large-scale laboratory volumes from 40L up to 60L, with viscosity support up to 50,000 mPa·s.

  • High Precision LCD Control: Digital interface ensures stable speed performance with a tight accuracy of ±10 rpm.

  • Comprehensive Timer: Programmable operation for up to 99 hours 59 minutes and 59 seconds.

  • Flexible Speed Range: Provides smooth start-up and versatile performance from 50 up to 2,000 rpm.

Technical Specifications

  • Max Stirring Volume: 40 Liters (80F) / 60 Liters (150F)

  • Maximum Viscosity: 20,000 – 50,000 mPa·s

  • Speed Range: 50 – 2,000 rpm

  • Special Functions: Forward/Reverse (FR/FP models) & Programming (FP model)

  • Net Weight: Approx. 7 kg

  • Power Supply: AC 100-220V 50Hz

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