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Precise Humidity Control
Precise Humidity Control
The extremely powerful MHG100 is designed for applications requiring high flow rates as in open systems or large volume chambers . Humidity control in a closed loop and at controlled temperature allows for accurate adjustment of relative humidity even in challenging environments.
The MHG100 provides a maximum flow rate of 15 l/min which is suitable for humidity control for chamber volumes up to 100 litres. The modular setup with symmetrical gas supply in two lines and the broad temperature and humidity range make the MHG100 a perfect match for the most diverse target systems. As an OEM product, the MHG100 can be easily integrated into any instrument setup.
The MHG100 consists of a central control unit and two temperature-controlled supply lines to the target volume. The heart of the MHG100 is a powerful central wetting and mixing unit that provides a constant gas flow of controlled humidity. Humidity control is set by mixing dry and saturated gas.
Broad temperature and humidity range
The temperature in the MHG can be adjusted to the conditions in the target system manually or by an automated algorithm. The MHG100 can be operating in the range 5°C to 75°C. Humidity control is available over the full range from 5% RH to 95% RH. The compact but powerful MHG100 provides very high flow rates even at high temperature and high humidity.
Heated supply lines
Temperature control in the supply lines is including an automated or manually configured temperature offset. Humidity control up to the saturation level is ensured even at very high temperatures without any risk of condensation in the supply lines.
A cooling circulation thermostat can be connected to the MHG10, allowing for operation at temperatures below room temperature down to just above the freezing point.
The special, modular design of the MHG100 offers several options that allow for a complete integration into instrument solutions as an OEM product.
The MHG100 is equipped for connection of a freely configurable temperature and humidity sensor interface. Any sensor with an analogue signal output can be connected.
Operation & software interface
hOperation via user interface directly at the control unit is clear and straightforward. RS232 or Ethernet interface are available for remote control. The Modbus interface is fully accessible, allowing for a full integration of the MHG100 into user specific analysis software.
|Selectable Flow Rate||0 ... 500 ml/min or 0 ... 1000 ml/min0 … 15 l/min with controlled flow (saturated, wet gas flow max 10 l/min)|
|Selectable Humidity Range*||5% RH to 95% RH (±0.8% RH at10 … 30 °C)|
|Applicable Temperature Range**||+5°C to +75°C|
|Water Supply||removable tank, 700ml|
|Gas Supply||compressed air / nitrogen|
2 bar to 10 bar
dry, clean, oil-free (class 1, ISO 8573-1:2010)
|Dimensions (W x D x H)||450 mm x 430 mm x 140 mm|
|Supply Lines||Two heated supply lines with 1.1 m and 1.2 m length|
* The minimum achievable humidity depends on the water content of the carrier gas. Deviation data based on Rotronic HC2A-S sensor.
** The external mixer adapts to the temperature of the chamber/object to be humidified, but does not provide temperature control.
*** Other gases on request. By default, flow controllers are calibrated to air as the carrier gas.