FLIR T640 User Manual

Technical data24
Image presentation modes
Thermal MSX Thermal image with enhanced detail presentation
Picture in Picture Resizable and movable IR area on visual image
Measurement
Object temperature range
• –40°C to +150°C (–40°F to +302°F)
• +100°C to +650°C (+212°F to +1202°F)
Accuracy ±2°C (±3.6°F) or 2%, whichever is greater, at 25°
C (77°F) nominal.
Measurement analysis
Spotmeter
10
Area
5 + 5 areas (boxes or circles) with max./min./aver-
age (in post-acquisition analysis)
Automatic hot/cold detection
Auto hot or cold spotmeter markers within area
Measurement presets No measurements, Center spot, Hot spot, Cold
spot, User preset 1, User preset 2
User presets (in live images) The user can select and combine measurements
from any number of available spots/boxes/circles/
delta
Difference temperature Delta temperature between measurement func-
tions or reference temperature
Reference temperature Manually set using difference temperature
Atmospheric transmission correction Automatic, based on inputs for distance, atmos-
pheric temperature and relative humidity
Optics transmission correction Automatic, based on signals from internal sensors
Emissivity correction Variable from 0.01 to 1.0 or selected from materi-
als list
Emissivity table Emissivity table of predefined materials
Reflected apparent temperature correction Automatic, based on input of reflected
temperature
External optics/windows correction Automatic, based on inputs of window transmis-
sion and temperature
Measurement corrections Emissivity, reflected temperature, relative humid-
ity, atmospheric temperature, object distance, ex-
ternal IR window compensation
Colors (palettes) Iron, Rainbow, Rainbow HC, White hot, Black hot,
Arctic, Lava
Alarm
Color Alarm (isotherm) Above/below/interval
Measurement function alarm Audible/visual alarms (above/below) on any se-
lected measurement function
Set-up
Set-up commands Define user presets, Save options, Programmable
button, Reset options, Set up camera, Wi-Fi,
Bluetooth, Language, Time & units, Camera
information
Service functions
Camera software update Use PC software FLIR Tools
#T559880; r. AK/36075/36075; en-US
72

FLIR T640 Specifications

General

Resolution	640 x 480 pixels
Temperature Range	-40°C to +2000°C
Field of View	25° × 19°
Digital Camera	5MP
Laser Pointer	Yes
Wi-Fi	Yes
Spatial Resolution (IFOV)	0.68 mrad
Image Frequency	30 Hz
Accuracy	±2°C or ±2% of reading
Video Recording	Yes
MeterLink	Yes
Operating Temperature	-15°C to +50°C
Storage Temperature	-40°C to +70°C
Connectivity	USB, Wi-Fi, Bluetooth
Battery Life	Up to 4 hours
Focus	Automatic or manual
Weight	1.3 kg (2.9 lbs)
Spectral Range	7.5 - 14 µm
Image Storage	SD card
Thermal Sensitivity	<30 mK
Lens Options	15°, 45°