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RH300-CAL: Humidity Calibration Kit

33% and 75% Humidity Calibration Reference


The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottles have small opening designed to snuggly fit the remote sensor probe.

Additional information


10 to 90%RH

Temperature (internal)

-4 to 122°F (-20 to 50°C)

Temperature (external)

-4 to 158°F (-20 to 70°C)

Dew Point

-90.4 to 122°F (-68.0 to 49.9°C)

Wet Bulb

-6.9 to 122°F (-21.6 to 49.9°C)


3.3oz (95g)

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