The TA346-HC-357P color-change humidity indicator disc detects relative humidity levels at 30%, 50% and 70% & in a pie sector format. As humidity levels are reached, the color change discs turn to a lavender color to indicate such change. The TA346-HC-357P disc can be inserted into AGM's TA346 and TA396 Humidity Indicator Plugs (each sold separately), and meets SAE AS26860 and MIL-I-8835 requirements.
Additional TA346-HC humidity indicator discs configurations are available upon request. Such color-change discs range from 10% to 70% when indicating relative humidity levels, and are available as either a pie sector or single spot card.