Humidity Indicator TA 380-234S This is a larger-sized clear anodized aluminum Humidity Indicator Plug.  It may be installed in a flexible barrier through a 1.45 in. (37 mm) diameter hole.  Nut and two gaskets are furnished.  It may also be installed in a 1.45 in. (37 mm) diameter hole in a rigid container by removing one gasket and reversing the nut.  Furnished with a 20-30-40-50% disc as a standard. (Other discs can be supplied on special request.)  Humidity discs can be replaced in the field with a 0.875 in. (22 mm) hex key wrench.

Weight: 0.11 lbs. (50 grams) Maximum Internal Pressure: 10 psi

TA346 is appropriate for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13 enclosures, as well as IP66/IP67 enclosures.  This item may also be appropriate for use on other NEMA or IP enclosures, depending upon the application.