Environmental Monitor (EM21)

EM21 Wireless Environmental Monitor

The EM21 environmental monitor is a data-logging wireless monitor capturing temperature and humidity. The EM21 has built-in sensors to detect:

  • Ambient Temperature between -40 and 60 Degrees Celsius (-40 to 140 Degrees F)
  • Relative Humidity between 0 and 95%


For more information see the product page here:


or the Data Sheet here: