https://www.dwyeromega.com/en-us/14-mm-and-40-mm-sample-holders/p/Series-WP
Sample Holders PS-14 & PS-40 for Water Activity Testing
Stainless steel sample holders WP-14 and WP-40 are designed for water activity probes. Compatible with PS-14/PS-40 containers, featuring 40 mm depth, 46 mm...
water activity testingsample holdersps