Chapter 21: Thermal Imaging Camera

Question 1

Thermal Imaging

Answer 1

Detection of infrared radiation& translation of the detected energy into a view-able image

Question 2

color scale

Answer 2

Hottest = white
cooler = darker shades

Question 3

3 types of emitters

Answer 3

Passive: absorb and dissipate (inanimate objects)
Active: Emit IR energy low to med strength (living stuff)
Direct: constant high strength emitters( hot water tank)

Question 4

Infrared Radiation can be

Answer 4

Emitted: body heat
Absorbed: when you sit in a chair
Emitted again: when the chair emits after you leave
Reflected: mirror, glass, shiny surface,

Question 5

Thermal Contrast

Answer 5

Visual difference between two or more items when viewed with TIC

Question 6

Thermal Inversion

Answer 6

Happens when the temp of the environment changes and not the object even though the object changes shade

Question 7

Thermal layering

Answer 7

high temp at ceiling and gradually drops as you scan towards the floor

Question 8

MSA 5200 tic has 2 modes

Answer 8

normal mode: high sensitivity and low temp 0-302’F

Firefighting mode:low sensitivity and high temp up to 1040’F

Question 9

3 keys of effective operation

Answer 9

Orientation
Interpretation
Communication

scan in a digital 2 starting from top to bottom and behind you

Question 10

Infrared limitations

Answer 10

Glass, Water, Steam(depending on density)

Question 11

TIC can be used to assist with

Answer 11

Size up,Search and rescue, Fire Attack, Ventilation, Overhaul, Haz mat, Wild land, Training, Water rescue, missing persons search

Question 12

Zoome

Answer 12

hit green button

Question 13

lights

Answer 13

Green = full batt.
Yellow= 15 min
red= less than 15 min
flashing red=60 sec or less