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HUMIDITY GENERATOR FOR THE CALIBRATION OF HUMIDITY PROBES

The HygroGen HG2 humidity generator can be used for the calibration of up to five relative humidity probes simultaneously. The HG2 humidity generator typically requires less than 5 minutes to equilibrate from one humidity condition to another when temperature is kept constant.

This is accomplished by using a mixed flow method to precisely generate a known humidity and temperature condition within a well insulated chamber. A desiccant cartridge provides low humidity and a saturator provides high humidity. These are mixed together by a control system to create stable humidity within the range of 5 to 95 %RH. Temperature is controlled with a thermoelectric heat pump and can be set within the range of 0 to 60 °C.

The HG2 humidity generator is a self-contained unit that requires no external resources except mains power. It can also be used together with an external chilled mirror reference instrument. The HG2 features a user friendly touch screen graphical interface as well as a programmable ramp and soak function with multiple steps and profiles. The HG2 humidity generator is pre-loaded with the ROTRONIC HW4-P data acquisition software which is used for calibrating and adjusting the ROTRONIC humidity temperature probes and instruments.