TB 110 - Bullard TIC Flashcards
(41 cards)
The TIC is is not designed to completely replace current what?
Firefighting tactics
Thermal imaging is the detection of what radiation?
Infrared
The translation of these detected energy levels into viewable images is a way to look at the what of an object of person?
“Heat signatures”
The detector or imager in the TIC receives and interprets what in the infrared spectrum?
Electromagnetic waves
The portion of the electromagnetic spectrum that the human eye can detect and process is what?
Visible light
Infrared radiation come from or is emitted by anything with what activity?
Molecular
Infrared radiation can be emitted, absorbed, emitted again and what?
Reflected
Energy/heat (infrared radiation) can travel by what forms of heat transfer?
Conduction, convection, radiation
The hottest objects in a TIC will appear what shades?
White or light shades
The cooler objects in a TIC will appear what shades?
Black or darker shades
Can TIC see through solid objects?
No
TICs can only pick up heat that has been transferred to the what of material?
Surface
In a very hot environment, actual visible flames may appear as what shade in the TIC?
White
Solid objects that are extremely hot such as steel poles will be displayed as what shade?
Darker or black
What button do you press to turn on the TIC?
Green on/off button on left side
How long does the TIC require to warm up and self calibrate before it appears?
A few moments
After approximately how many seconds the thermal image will appear accompanied by a calibrating gray scale at the bottom of the screen?
20 seconds
After about how many seconds will the gray scale be reduced to a small white triangle in the lower left hand corner of screen for full operational use?
45 seconds
To put the TIC into sleep mode what button do you press?
Yellow sleep mode button
To bring the TIC out of sleep mode, what button do you press for thermal image to immediately appear?
Yellow button again
The thermal throttle dial is located where?
Front left of unit
Turning the dial clockwise and counter clockwise does what?
Clockwise: closes thermal throttle
Counterclockwise: opens throttle
Once unit is warmed up and calibrated, turn throttle what direction until image on screen appears?
Clockwise
It will take how many revolutions of the thermal throttle to completely open the aperture?
Less than 1 full revolution