The TA356-HC-357P color-change humidity indicator disc measures relative humidity levels at 30%, 50% and 70% and is configured as a pie sector disc. This circular humidity indicator card is used in conjunction with the TA356, TA350, TA354, TA359 and TA348 Humidity Indicator Plugs (each sold separately).
Additional humidity indicator pie sector discs are also available in a variety of relative humidity levels from 10% to 90%, which can be inserted in the TA356 Humidity Indicator Plugs. Other TA356 Humidity Indicator cards are available as either spot type or single spot color-change discs. Please contact AGM for more information in determining the best disc for your application.