Teledyne Flir Humidity Calibration Kit Extech RH350-CAL Clocks & Weather Instruments By calculating theoretical wind speed

By calculating theoretical wind speed and direction based on various parameters

Scratch resistant

porthole style instrument is weather resistant and is guaranteed to never tarnish

This officially licensed United States Navy Brass Bell with High Gloss Mahogany Plaque features the official #9 U

The Type-K mini connector is compatible with most meters that have Type-K temperature function

Teledyne Flir Humidity Calibration Kit Extech RH350-CAL Clocks & Weather Instruments By calculating theoretical wind speedHumidity Calibration Kit Extech RH350 CAL The Extech 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.