FLIR E40 User Manual

Thermographic measurement techniques30
30.2.1.1.1 Method 1: Direct method
Follow this procedure:
1. Look for possible reflection sources, considering that the incident angle = reflection
angle (a = b).
Figure 30.1 1 = Reflection source
2. If the reflection source is a spot source, modify the source by obstructing it using a
piece if cardboard.
Figure 30.2 1 = Reflection source
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FLIR E40 Specifications

General

Resolution	160 x 120 pixels
Accuracy	±2°C or ±2% of reading
Focus	Manual
Image Storage	SD card
Image Frequency	60 Hz
Digital Camera	3.1 MP
Battery operating time	Approx. 4 hours
Operating Temperature	-15°C to +50°C
Storage Temperature	-40°C to +70°C
Spectral Range	7.5 - 13 µm
Field of View	25° x 19°
Display	3.5 in color LCD
Image Modes	Thermal, Visual, MSX
Measurement Presets	Center Spot, Hot Spot, Cold Spot
File format	JPEG
Battery type	Li-Ion battery
Connectivity	USB, Wi-Fi
Thermal Sensitivity	< 0.07°C @ +30°C (+86°F) / 70 mK