Metrology

Calibration and adjustment of temperature, humidity, and carbon dioxide instruments is a complex task. Metrologists must select working instruments and reference standards, establish calibration intervals, and select or develop methods that best fit the needs of the organization. Vaisala provides a variety of tools and resources for metrologists.

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Application notes
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Resources

Vaisala CARBOCAP® Hand-Held Carbon Dioxide Meter GM70

Hand-held meter for various spot-checking applications, like laboratories, greenhouses and mushroom farms. Features several alternatives for the measurement range from ppm to percentage level.

Vaisala DRYCAP® Hand-Held Dewpoint Meter DM70

Provides accurate readings in a wide measurement range. Designed for on-site checking of fixed low dewpoint transmitters.

Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330

Top-of-the-line model for demanding industrial applications. A large numerical and graphical display. A fully configurable transmitter. Optional data logging and (W)LAN interface.

Vaisala Humidity calibrator HMK15

Enables easy and reliable on-site calibration of humidity instruments. Based on saturated salt solutions.

Vaisala Combined Pressure, Humidity and Temperature Transmitter PTU300

Measures humidity, temperature, and barometric pressure in two accuracy classes. The PTU300 series features a large numerical and graphical display. Optional data logging and (W)LAN interface.