
Vaisala is a global leader in environmental and industrial measurement. Vaisala’s core business is environmental measurement, especially weather measurement and chosen industrial measurements. Business is conducted by two business areas:
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Weather Environment
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Controlled Environment
The business areas are supported by the group wide functions of Services and Operations.
Curiosity, the desire to meet challenges and an extraordinary ability to innovate are at Vaisala’s core, both past and present.

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Humidity Instruments
Vaisala’s humidity instruments are best suited to applications where measured humidity is >10%RH.
Humidity Measurement Products in Brief:
• Transmitters, modules, handheld meters, and calibrators
• Even to the most demanding industrial applications
• Accuracy up to ±1 %RH
• Proprietary HUMICAP® and INTERCAP® sensors
• Reliable and accurate humidity measurements for 40 years
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Dew Point Instruments
Vaisala’s dew point instruments are best suited to applications where measured humidity is <10%RH.
Dew Point Measurement Products in Brief:
• Transmitters, modules, and handheld meters
• Suitable to a wide range of applications from drying processes to compressed air and dry chambers
• Accuracy ±2 °C (±3.6 °F)
• Proprietary DRYCAP® sensor with unique auto-calibration function
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Moisture in Oil Instruments
For condition monitoring in lubrication, hydraulic and insulation oils.
Moisture in Oil Products in Brief:
• Transmitters, modules, and handheld meters
• Measuring water activity – ppm calculation for transformer oil
• Proprietary HUMICAP® sensor
• Online detection of moisture in oil – no sampling required
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