TESTO 875 User Manual

3 Specifications
8
3.2. Technical data
Infrared image output
Characteristic Values
Field of vision/min.
focusing distance
Standard lens: 32° x 23°/0.1 m (0.33 ft)
testo 875-2 only (optional):
Telephoto lens: 9° x 7°/0.5 m (1.64 ft)
Thermal sensitivity
(NETD)
< 110 mK at 30 °C (86 °F)
Geometric resolution Standard lens: 3.3 mrad
Telephoto lens: 1 mrad
Refresh rate 9 Hz
Focus manual
Detector type FPA 160 x 120 pixels, a.Si
Spectral range 8 - 14 μm
Visual image output (testo 875-2 only)
Characteristic Values
Field of vision/min.
focusing distance
33° x 25°/0.4 m (1.31 ft)
Image size 640 x 480 pixels
Refresh rate 8 to 15 Hz
Image presentation
Characteristic Values
Image display 3.5" LCD with 320 x 240 pixels
Display options testo 875-1: Infrared image
testo 875-2: Infrared image/real
image/infrared and real image
Video output USB 2.0
Video stream 9 Hz
Colour palettes 4 options

TESTO 875 Specifications

General

Resolution	160 x 120 pixels
Field of view	32° x 23°
Temperature range	-20 °C to +280 °C
Storage	SD card
Battery life	4 hours
Image refresh rate	9 Hz
Weight	500 g
Operating temperature	-15 °C to +50 °C
Protection class	IP54
Thermal sensitivity	< 80 mK @ 30 °C
Display	3.5" LCD 320 x 240 pixels
Spectral range	8 to 14 µm
Detector type	Uncooled microbolometer