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  7. Fluidnatek® Dry Heating Unit (DHU)

Fluidnatek® Dry Heating Unit (DHU)

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Fluidnatek® Electrospinning & Electrospraying System

Fluidnatek® Dry Heating Unit (DHU)

Product Overview

An intermediate temperature and humidity control component for electrospinning and electrospraying that allows consistent, quality nanoscale materials for advanced research to product development scale production. An ideal unit when processing solutions requiring low humidity and/or increased temperature. 

Temperature Increase Control

Air temperature within the chamber can be increased from room conditions to 45 ºC with a stability of ±1 ºC.

Humidity Decrease Control

Relative humidity within the chamber can be decreased from room humidity conditions to <10% with a stability of ±5%, depending on temperature.

Automated Air Flow Control

Continuously communicates to automate air flow during sample processing to tightly maintain temperature and relative humidity set points during production.

Active Exhaust Regulation

Provides high air exchange rates and a slightly negative chamber pressure to ensure that the spinning environment remains stable during production with no build-up of solvent vapor.

Product Features

The DHU is an external self-contained system that independently regulates temperature (RT up to 45 ºC) and relative humidity (ambient RH down to 25% at 25 ºC, or down to 10% at 45 ºC) and introduces a conditioned air stream into the spinning cabinet. The DHU is intended to reduce the overall moisture content to the desired point. Downstream, the dried air flows through a heater that increases the temperature to the set point before it enters into the cabinet. The chamber air is continuously exhausted from the cabinet to avoid solvent accumulation in the chamber, preserving the processing conditions and ensuring stable performance and a safe process.

  • Units available for small to large-scale production for advanced development
  • All processing parameters are controlled from a touchscreen panel on compatible Fluidnatek units
  • Temperature from Room Temperature (~20 ºC) up to 45 ºC ±1 ºC
  • Relative humidity from room RH down to 25% ±5% (@ 25 ºC) or down to <10% ±5% (@ 45 ºC)
  • Temperature and relative humidity display on compatible Fluidnatek unit

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Fluidnatek DHU

Model Product Comparison

All Dry Heating Units are solely compatible with Fluidnatek electrospinning/electrospraying equipment and are not intended for use with other devices.

LE-50 Compatible DHU

  • Temperature heating range: RT – 45 °C, ±1
  • Relative humidity range: Room RH down to 25% ±5% (@ 25 ºC)
    down to <10% ±5% (@ 45 ºC)
  • Minimum absolute humidity: 5 g/kg
  • Air flow: Automated
  • Active regulated exhaust: Automated
  • DHU & Fluidnatek separation: <3 m
  • Compressed dry air requirement: 6-8 bar, 300 L/min
  • Dimensions: 550 mm (w) x 307 mm (d) x 512 mm (h)
  • Weight: ~30 kg

LE-100 Compatible DHU

  • Temperature heating range: RT – 45°C, ±1
  • Relative humidity range: Room RH down to 25% ±5% (@ 25 ºC)
    down to <10% ±5% (@ 45 ºC)
  • Minimum absolute humidity: 5 g/kg
  • Air flow: Automated
  • Active regulated exhaust: Automated
  • DHU & Fluidnatek separation: <5 m
  • Compressed dry air requirement: 6-8 bar, 1000 L/min
  • Dimensions: 580 mm (w) x 660 mm (d) x 1420 mm (h)
  • Weight: ~100 kg 

*Note: DHU performance is bounded to room conditions in the range of 20 ºC-25 ºC and 35%-65% RH (regular laboratory conditions). DHUs are NOT available for modified or specialized units, such as the Fluidnatek Biomedical systems. For more advanced systems, an environmental control unit (ECU) use is recommended.

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