Moisture measurement in air and oil refers to a category of industrial instruments and solutions provided by various brands specializing in environmental and fluid monitoring. Companies like Michell Instruments (UK) and Vaisala (Finland) are prominent in this field, offering high-precision sensors and analyzers for moisture detection in air, gases, and oils. These products are critical in industries such as HVAC, power generation, oil & gas, and manufacturing, ensuring optimal humidity control and preventing equipment damage. Key products include hygrometers, dew-point transmitters, and oil moisture analyzers, designed for reliability and accuracy in harsh industrial environments.