Tenney – Temperature Chamber & Humidity Test Chamber 2 Tenney Test Chambers In – Nice Compact Sizes Temperature Chamber & Humidity Chamber Stock #556J 1 Tenney Humidity Chamber Model BTRC – Super Clean! I.D. 20″ X 20″ X 22″ -70 to +200 Deg. C 20% to 95% Humidity Photos and Data Sheet Available Stock #551J 1 Tenney Temperature Chamber Model BTC – Super Clean! I.D. 20″ X 20″ X 22″ -70 to +170 Deg. C Photos and Data Sheet Available