Retrotec USACE - Manual (Page 337)

Appendix G G7
mal sensitivity, weight, and size. In many of the newer IR camera models, a
visual camera has been added. Of these characteristics, thermal sensitivity and
resolution are key to fi nding subtle temperature patterns, typical in building
applications of IR thermography. Table G2 shows fi ve of the common IR cam-
eras popular for building applications.
TABLE G2. SOME TYPICAL IR CAMERAS USED FOR BUILDING ASSESSMENTS.
FLIR B40
Temperature range: –20 to +120 °C (–4 to 248 °F) •
Thermal sensitivity: 0.08 °C at 30 °C (0.14 °F at 86 °F) •
Detector resolution: 120 × 120 •
Field of view/min focus distance: 25° × 25°/0.1 m •
Spatial resolution (IFOV) 1.3 mrad •
0.6 megapixel visual camera •
Size: 235 mm × 175 mm (9.25 × 6.9 in.) •
Weight: 0.6 kg (1.3 lb) •
Fluke TiR1
Temperature range: –20 to +100 °C (–4 to 248 °F) •
Thermal sensitivity: 0.07 °C at 30 °C (0.13 °F at 86 °F) •
Detector resolution: 160 × 120 •
Field of view/min focus distance: 25° × 17°/0.15 m •
Spatial resolution (IFOV) 2.5 mrad •
640 × 480 visual camera •
Size: 270 Ч 130 Ч 150 mm (10.6 Ч 5.1 Ч 5.9 in.) •
Weight: 1.2 kg (2.6 lb) •
FLIR ThermaCAM® B400
Temperature range: –20 to +120 °C (–4 to 248 °F) •
Thermal sensitivity: 0.05 °C at 50 °C (0.09 °F at 86 °F) •
Detector resolution: 320 × 240 •
Field of view/min focus distance: 25° × 19°/0.4 m •
Spatial resolution (IFOV) 1.36 mrad •
1280 × 1024 visual camera •
Size: 106 Ч 201 Ч 125 mm (4.1 Ч 7.9 Ч 4.9 in.) •
Weight: 0.88 kg (1.9 lb) •
(Continued)