Our HYGROCONTROL™ Type 81/82 Relative Humidity Hygrometers measure the amount of moisture or humidity in the air, or any confined spaces. They can measure absolute, relative, or dew point temperature.  High-precision relative humidity Type 81, 82 for industrial use can be calculated, displayed and issued to measure dew point [°C, °F], absolute humidity [g/scm], specific humidity [g/kg] and enthalpy [kJ/kg]. The temperature can be displayed as °C or °F.

PRINCIPLE OF OPERATION

The instrument uses a capacitance type sensing element with polymer dielectric medium. The temperature sensor is a Pt-1000 Ohm RTD. Microprocessor control allows for multipoint calibration. A maximum accuracy of 1.5 %RH is achieved with 8 points. Built in special temperature compensation is to correct humidity values from deviations arising from temperature effects on the sensor and the electronics.

Ideal applications

• Control of process parameters in chemical industries
• Climate control of clean rooms, paint boxes and dryers
• Process control in climatic and environmental chambers
• Control and documentation in medical industries
• Food processing
• Aerospace
• Agriculture
• Electronics
• Energy
• Healthcare
• Metrology
• Pharmaceutical
• Paper
• Steel
• ATEX Ex for hazardous environments available

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