div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader039fdocumentsnetreader039viewer20220315075c9c117809d3f201238b4bcfhtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Bacharach Sling Psychrometer1 range of the psychrometer is from 10% to 100% RH for dry-bulb temperatures of 300 to -50 to 500C In addition to the above instructions barometric src=https:reader039fdocumentsnetreader039viewer20220315075c9c117809d3f201238b4bcfhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv