Resources and Downloads First Name Last Name š Fire Department Email address: Leave this field empty if you're human: Recent Posts What is the Shutter in a Thermal Imager?Ā Refresh Rate: What to Look for and Why?Ā Total Cost of Ownership: How to Evaluate It for Thermal ImagersĀ Understanding Resolution in Thermal ImagersĀ Understanding Optics and Focus in Thermal Imaging Speak to an Expert Got Questions? Talk to a Thermal Imager Pro Here.