EXTECH RH300-CAL for use with Extech RH300 Humidity Meter Information Sheet
User Manual
This document describes the usage and characteristics of Extech Relative Humidity Calibration Standards. The calibration standards are made using Sodium Chloride (NaCl) and Magnesium Chloride (MgCl) to provide reference values of 75% and 33% relative humidity, respectively. The standards should be used at room temperature and provide relative humidity reference values at different temperatures.
