Datasheet

testo 875i
Technical data
testo 875-2itesto 875-1i testo 875-2itesto 875-1i
Infrared image output
Image output visual
Image presentation
Measuring functions
Imager equipment
Image storage
Power supply
Ambient conditions
Physical specifications
Infrared resolution 160 x 120 pixels
Standard lens 32° x 23°
Digital camera
Power LEDs –
Exchangeable lenses - optional
– 9° x 7°
Voice recording – wired headset
Laser (laser classification
635 nm, Class 2)***
Video streaming (via
USB)
Image display 3.5“ LCD with 320 x 240 pixels
Video output USB 2.0
Solar mode
Colour palettes 10 (iron, rainbow, rainbow HC, cold-hot,
blue-red, grey, inverted grey, sepia, Testo,
iron HT)
Focus manual
File format .bmt; export option in .bmp, .jpg, .png,
.csv, .xls
Storage device SD card 2GB (approx. 2.000 images)
Battery type Fast-charging, Li-ion battery can be
changed on-site
Operating time 4 hours
Charging options In instrument/in charging station (optional)
Mains operation yes
Operating temperature range -15 to +40 °C
Storage temperature range -30 to +60 °C
Air humidity 20 to 80 % RH non-condensing
Housing protection class
(IEC 60529)
IP54
Vibration (IEC 60068-2-6) 2G
Weight Approx. 900 g
Dimensions (L x W x H)
in mm
152 x 108 x 262 mm
Tripod mounting M6
Housing ABS
PC software
System requirements Windows XP (Service Pack 3), Windows
Vista, Windows 7 (Service Pack 1),
Windows 8, interface USB 2.0
Standards, tests
EU Directive 2004 / 108 / EC
Spectral range 7.5 to 14 µm
Field of view/min. focus
distance
32° x 23° / 0.1 m
(Standard lens)
32° x 23° / 0.1 m
(Tele: 9° x 7° / 0.5 m)
Geometric resolution (IFOV)
SuperResolution
(pixel / IFOV)
Thermal sensitivity (NETD) < 50 mK at +30 °C
Image refresh rate 33 Hz*
Image size / min. focus
distance
640 x 480 pixels / 0.4 m
Display options IR image only / real image only/
IR and real image
High temperature
measurement – optional
–
+350 to +550 °C
Emissivity / reflected
temperature
0.01 to 1 /
manual
Measuring range -30 to +100°C /
0 to +350 °C (switchable)
Accuracy
Accuracy
±2 °C, ±2 % of m.v.
(±3 °C of m.v. at -30 to -22 °C)
±3 % of m.v.
at +350 to +550 °C
Display of surface moisture
distribution (using manual
input)
–
Humidity measurement
with radio humidity probe
(automatic measurement
value transfer in real time)**
– ( )
Analysis function up to 2
measurement
points,
Hot/Cold Spot
Recognition
up to 2
measurement
points,
Hot/Cold Spot
Recognition,
Isotherms, Area
measurement (Min-/
Max on Area)
* inside the EU, outside 9 Hz
** Wireless humidity probes only in the EU, Norway, Switzerland, USA, Canada,
Colombia, Turkey, Brazil, Chile, Mexico, New Zealand, Indonesia
*** excepting USA, China and Japan
included in delivery
optional
( )
not available
–
3.3 mrad
(Standard lens)
3.3 mrad
(Tele: 1.0 mrad)
320 x 240 pixels /
2.1 mrad
(Standard lens)
320 x 240 pixels /
2.1 mrad
(Tele: 0.6 mrad)
Measurement