Extech 445815 Hygro-Thermometer Humidity Alert with Dew Point comes with NIST Calibrateable and
Programmable Alarms and gives warning of High or Low Humidity
Conditions. EXTECH 445815 Humidity
Alert with Remote Probe simultaneously displays Temperature and Humidity.
is a humidity and temperature chart recorder with detachable probe graphical
datalogger for Humidity/Temperature measurements and Dew Point calculation. The
device can be calibrated
to meet the standards provided by the National Institute of Standards and
Technology (NIST), a U.S. Government agency within the Commerce Department.