Calibration Kit for Mini Mechanical Thermo Hygrometers

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SKU: TEC019002

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$35.00
This calibration kit for the Mini Mechanical Thermo Hygrometer and contains 5 sealed moisture barrier envelopes each containing one ziploc bag and a packet of silica gel conditioned to 50% +/-2% relative humidity.  

Placing the meter in this bag with the silica gel packet puts it into a known RH environment, and the reading on the dial can then be re-adjusted to read 50% in the case if it is ready a different number.