3 Specifications
10
Feature Values
Video stream 25 Hz
Colour palettes 8
Measurement
Feature Values
Temperature ranges
(can be changed)
-20 to 100°C (-4 to 212°F)
0 to 350°C (32 to 662°F)
Only testo 890-2, optional:
350 to 1200°C (662 to 2192°F)
Accuracy
±2°C (±3.6°F) or ±2% of meas. val. (higher
value applies)
Reproducibility ±1°C (±1.8°F) or ±1% (higher value applies)
Emissivity/reflected
temperature settings
0.01 to 1.00
Reflected
temperature/transmis
sion correction
(atmosphere)
settings
Manual
Minimum measuring
point diameter
Standard lens: 3.4 mm at 1 m
Telephoto lens: 1.3 mm at 1 m
Measurement
Feature Values
Display of surface
moisture distribution
Only testo 890-2:
via manual input
Humidity
measurement with
radio humidity probe
(not available in all
countries)
Only testo 890-2, optional:
automatic measurement value transfer in
real time
Solar mode Yes
Analysis functions
Up to 3 measuring points, hot/coldspot
detection, area measurement
(min-/max-/average value), isotherm, alarms
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