FLIR T640 User Manual

Handling the camera13
13.4 Adjusting the viewfinder’s dioptric correction
13.4.1 Figure
CAUTION
Applicability: Cameras with a viewfinder.
Make sure that the beams from the intensive energy sources do not go into the viewfinder. The beams
can cause damage to the camera. This includes the devices that emit laser radiation, or the sun.
Note This item is dependent on the camera model.
13.4.2 Procedure
Follow this procedure:
1. To adjust the viewfinder’s dioptric correction, look at the displayed text or graphics on
the screen, and rotate the adjustment knob clockwise or counter-clockwise for best
sharpness.
Note
• Maximum dioptric correction: +2.
• Minimum dioptric correction: –2.
#T559880; r. AK/36075/36075; en-US
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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°