90L 250℃ Programmable Floor Standing Vacuum Oven NuOven VQ91-3 with Shelf Heating

Features:

• Quick-seal adjustable door system
• Superior vacuum held by silicone gasket
• Integrated vacuum pump with protection
• Digital vacuum control automates cycles
• Instant pressure equalization via solenoid valve
• High-speed CPU for precise thermal management
• High-sensitivity Pt100 ensures true readings
• Programmed runs save time and improve repeatability
• Alarms warn of sensor or temperature issues
• Optional second safety controller (dual protection)
• Optional inert gas metering interface
• Internal light aids sample viewing
• Rotary plate enhances uniformity
• User-friendly temperature calibration
• Memory retains frequently used programs

Specifications

*Note:-NuOven VQ52-5,52-6,52-8,91-3,91-4,210-3 and 210-4:With 10-segment temperature control program to realize temperature curve program running.

-NuOven VQ52-4, 52-6, 91-2, 91-4, 210-2 and 210-4:

Digital vacuum gauge included for vacuum degree control while other models have mechanical vacuum gauge.

Introduction about vacuum oven

Mechanically, a laboratory vacuum oven creates a controlled low-pressure environment to alter phase change conditions. Lowering the ambient pressure reduces the boiling points of liquids within samples, enabling gentle removal of moisture or solvents at reduced temperatures. This core mechanism is fundamental for processing materials susceptible to thermal degradation or oxidation. Benefits are manifold: it prevents sample decomposition, accelerates drying times for porous materials, and thoroughly extracts trapped gases.

In practice, it is used for drying chemical powders, preparing polymer samples via degassing, and annealing delicate components. The oven’s architecture—featuring a sealed chamber, vacuum generation system, heater, and monitoring gauges—ensures precise control. As such, it is a critical instrument for applications demanding both gentle treatment and effective volatile removal.