Sling Psychrometer Kit - Determine Relative Humidity & Dew Point Lab Equipment_Power Supplies assembling quickly for classroom chemistry

assembling quickly for classroom chemistry storage and disassembling flat for easy cleaning

sized to accept a bell jar for atmospheric-pressure and vacuum demonstrations

this 20mm-diameter steel helix carries longitudinal

this 15-slide introductory set covers core plant and animal tissue preparations for early microscopy lessons

Sling Psychrometer Kit - Determine Relative Humidity & Dew Point Lab Equipment_Power Supplies assembling quickly for classroom chemistryClassroom kit for determining relative humidity and dew point using paired dry bulb and wet bulb thermometers on a sling handle, with a reference psychrometric chart.