TESTO 875-1i, Инструкция по эксплуатации

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3 Specifications
9
Measuring
Characteristic Values
Temperature range
(can be changed) Measuring range 1:
-20 - 100 °C (-4 - 212 °F)
Measuring range 2:
0 - 350 °C (32 - 662 °F)
Measuring range 3 (optional, testo 875-2i
only):
350 - 550 °C (662 - 1022 °F)
Accuracy With measuring range 1 activated, for
readings within the range of -20 - 100 °C
(-4 - 212 °F):
±2 °C (±3.6 °F)
With measuring range 2 activated, for
readings within the range of 0 - 350 °C
(32 - 662 °F):
±2 °C (±3.6 °F) or ±2 % of reading
(whichever is the greater)
With measuring range 3 activated (optional,
testo 875-2i only), for readings within the
range of 350 - 550 °C (662 - 1022 °F):
±3 % of reading
Reproducibility ±1 °C (±1.8 °F) or ±1 % (whichever is the
greater)
Measuring point
minimum diameter Standard lens: 10 mm at 1 m
Telephoto lens: 3 mm at 1 m
On-time (time to
image) 30 s
Humidity and
ambient temperature
measurement with
radio probe (optional,
only testo 875-2i) 0…100%rF,
-20…70°C (-4…158°F)
Accuracy of radio
probe (optional, only
testo 875-2i) ±2%rF,
±0,5°C (0,9°F)
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