Reference

• DW-K9860 : Kjeldahl Analyzer

Reference

• DW-AA320N : Atomic Absorption Spectrophotometer

Features

• Built-in computer and LCD display: Integrated data processing ensuring stability and reliability. Functions include integral holding, peak height and area measurement, auto zero adjustment, deuterium lamp background correction, multi-linear and nonlinear curve fitting, display of parameters and calibration curves on screen, and report printing. Interface for external PC connection.
• Excellent stability: Double-beam system automatically compensates for light source and wavelength drift due to temperature variations and electronic drift, ensuring high baseline stability.
• Fast analysis: Hollow cathode lamp requires no long preheating. Samples can be analyzed immediately, ideal for multi-element rapid analysis.
• High measurement precision: Gas path system equipped with pressure and current stabilizers to maintain a stable flame and low noise. Finely focused light beam passes through the flame for high-precision analysis and low characteristic concentration.
• High-energy optical path: Total reflection system eliminates chromatic aberration across the full spectrum. Light beam is converted to an elongated spot optimizing slit passage and increasing double-beam flux.
• Durable and corrosion-resistant atomization system: Burner made of new titanium alloy, corrosion-resistant and thermally stable, no water cooling required, providing excellent measurement sensitivity.
• Multi-functional analysis modes: Flame atomic absorption, flame emission, graphite furnace atomic absorption, and hydride generation.
• Safe and reliable gas system: Quick gas switching and safety devices enable use of air-acetylene and nitrous oxide-acetylene flames, analyzing over 60 elements.
• Complete accessories: Supplied with the instrument, ready to use upon installation.

General Description

The electric thermostatic water bath is a commonly used laboratory device for sample pre-treatment. It is widely applied in medical, chemical, biological fields, as well as in research institutions and laboratories.

The unit consists of an outer housing, a water tank, an electric heating system, and a temperature control system.

Working Principle

The temperature sensor converts the water temperature into a resistance value. After amplification and comparison through an integrated circuit, a control signal is generated to regulate the heating power effectively. This ensures that the water temperature remains constant with high accuracy.

Advantages

• Stainless steel tubular heating elements positioned horizontally.
• Perforated aluminum shelves for stable placement of laboratory containers.
• Top cover with interchangeable concentric rings suitable for different flask diameters.
• Side drain outlet for easy water discharge.
• High-quality temperature control system ensuring precision, reliability, and ease of use.

Reference

• MX-S : Vortex Mixer

General Description

The MX-S vortex mixer is a laboratory device designed for fast and efficient mixing of liquid components in tubes. It operates using an eccentric mechanism that generates a vortex motion, making it ideal for resuspending cells or chemical precipitates.

This equipment is widely used in biological and chemical laboratories, particularly for vigorous resuspension of cells or pellets in tubes up to 15 ml.

Key Features

• Stepless speed control from 0 to 3000 rpm
• Smooth and continuous speed adjustment
• Suitable for various mixing applications with optional adapters
• Specially designed suction feet for excellent stability
• Robust die-cast aluminum construction

Reference

• DW-5000ADQ : Multi-Manifold Rotary Evaporator

General Description:
The DW-DQ series is a new generation of rotary evaporators developed by our company, capable of simultaneously concentrating up to 5 samples.

Featuring a compact and elegant design, this device offers ease of use, precise temperature control, reliability, ergonomic operation, and long-lasting durability.

The DW-DQ series rotary evaporator (available in 5 × 50 ml, 5 × 100 ml, or 5 × 150 ml configurations) includes the following features:

Technical Features:

• Large LCD screen with menu interface displaying multiple parameters; rotary knob for easy operation.
• Heating bath with Teflon coating, easy to clean, corrosion-resistant, and high-temperature resistant.
• Maximum temperature up to 99 °C with automatic shut-off in case of overheating.
• Special flask removal system for easy disassembly of the evaporation flask.
• Sealing made of imported PTFE with advanced technology.
• Dual control modes: touchscreen and button-operated automatic lift for safe and convenient use.
• 70 W DC motor ensuring smooth and stable start-up.
• Vertical condenser with drip point design to prevent backflow.
• Intermittent clockwise/counterclockwise rotation with timer function for drying, maximum speed up to 310 rpm.
• Vacuum control via vacuum gauge and vacuum valve to prevent pump oil backflow and improve experiment success rate.
• Heating bath with insulated handle to prevent burns; optimized volume for fast heating.
• Protective cover for heat preservation, energy saving, and spill/boil-over prevention.