JerryMaffz wrote:There can be differences between therms, but not usually by that amount. That large flat stone might be the issue as they will absorb heat. You may be getting stone temp on one and air temp on the other. Remove the stone and try again.
Bigjoe wrote:The probe could well be reading ambient air temp while plugged into the fluke ,the fluke them could be reading ground / stone temp while in spot / scan mode..very good reliable product Fluke.
Hope this helps
Tortoise Trust wrote:If you expose a PROBE to direct radiant heat, that probe itself will heat up and distort the readings. So use a non contact thermometer to take spot readings.
Use a probe thermometer for air temperature readings. See this:
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