TB 110 - Bullard Thermal Imager Flashcards
Thermal imaging is the detection of ________ radiation
infrared
The translation of these detected energy levels into viewable images is a way to look at the “________ ________” of an object or person
“Heat Signature”
Energy/Heat (infrared radiation) can travel by __________, __________ or by __________
conduction
convection
radiation
When viewing infrared radiation on a thermal imaging device, the hottest objects will appear ______ or lighter shades while the cooler objects will appear ______ or as darker shades
White
Black
Thermal Imagers cannot see through ______ objects, they can only pick up heat that has been transferred to the surface of the material
Solid
After approximately ___ seconds, the thermal image will appear accompanied by a calibrating gray scale at the bottom of the screen
20
After about ___ seconds, thengray scale is reduced to a small white rectangle in the lower left hand corner of the screen indicating that the unit is fully operational
45
To put the unit into sleep mode, simply press the _______ sleep button on the left side of the unit
Yellow
Most of the needed adjustment will be accomplished within about a ___ of one revolution of the Thermal Throttle
1/4
Clean the outside of the unit with a mild ______ or _________.
Soap
Detergent
CHARGING OF NICKEL METAL HYDRIDE BATTERY: Before using a battery for the first time, it should be charged and discharged at least __ times
3
Glass - Infrared radiation will not penetrate glass, however heated glass will show up _______ in color.
lighter
Haloing – Occurs around the ________ objects. Can be used as a visual queue or can be eliminated by adjusting the Thermal Throttle
hottest
Thermal _________ – Occurs when an object changes shade, even though its temperature has not
Inversion
