FLIR T420 User Manual

Cleaning the camera
28
28.1 Camera housing, cables, and other items
28.1.1 Liquids
Use one of these liquids:
• Warm water
• A weak detergent solution
28.1.2 Equipment
A soft cloth
28.1.3 Procedure
Follow this procedure:
1. Soak the cloth in the liquid.
2. Twist the cloth to remove excess liquid.
3. Clean the part with the cloth.
CAUTION
Do not apply solvents or similar liquids to the camera, the cables, or other items. This can cause damage.
28.2 Infrared lens
28.2.1 Liquids
Use one of these liquids:
• A commercial lens cleaning liquid with more than 30% isopropyl alcohol.
• 96% ethyl alcohol (C
2
H
5
OH).
28.2.2 Equipment
Cotton wool
28.2.3 Procedure
Follow this procedure:
1. Soak the cotton wool in the liquid.
2. Twist the cotton wool to remove excess liquid.
3. Clean the lens one time only and discard the cotton wool.
WARNING
Make sure that you read all applicable MSDS (Material Safety Data Sheets) and warning labels on con-
tainers before you use a liquid: the liquids can be dangerous.
CAUTION
• Be careful when you clean the infrared lens. The lens has a delicate anti-reflective coating.
• Do not clean the infrared lens too vigorously. This can damage the anti-reflective coating.
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FLIR T420 Specifications

General

Resolution	320 x 240 pixels
Field of View	25° x 19°
Spatial Resolution (IFOV)	1.36 mrad
Image Frequency	60 Hz
Laser Pointer	Yes
Operating Temperature Range	-15°C to +50°C
Storage Temperature Range	-40°C to +70°C
Image Storage	SD Card
Temperature Range	-20°C to +650°C
Focus	Manual
Display	3.5 in. LCD
Battery Life	Approx. 4 hours
Accuracy	±2°C or ±2%
Digital Camera	3.1 MP
Video Recording	Yes
File Format	JPEG
Spectral Range	7.5 - 13 µm
Minimum Focus Distance	0.4 m
Weight	0.88 kg
Interface	USB, Wi-Fi
Image Modes	Thermal, MSX
Thermal Sensitivity	< 0.045°C @ +30°C (+86°F) / 45 mK