optris CTlaser LT - Measurement Specifications [LT Models]

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2.4 Measurement specifications [LT models]
LT
LTF
Temperature range (scalable)
-50...975 °C
Spectral range
8...14 µm
Optical resolution
75:1
50:1
System accuracy
1) 2) 3)
±1 °C or ±1 %
±1,5 °C or ±1,5 %
Repeatability
1) 3)
±0.5 °C or ±0.5 %
±1 °C or ±1 %
Temperature coefficient
4)
±0,05 K/ K or ±0,05 %/ K
NETD
3) 5)
0.1 K
0.5 K
Response time (90 % signal)
120 ms
9 ms
Warm-up time
10 min
Emissivity/ Gain, Transmissivity
0.100...1.100 (adjustable via programming keys or software)
Signal processing
Average, peak hold, valley hold (adjustable via programming keys or software)
1)
at ambient temp. 23 ±5 °C; at object temperatures >0 °C (LT) / ≥ 20 °C (LTF); response time=1 s
2)
Accuracy for thermocouple output: ±2.5 °C or ±1 %, whichever is greater
3)
ε =1
4)
for ambient temperatures (head) <18 °C and >28 °C; whichever is greater
5)
at time constant of 200 ms (LT) / 100 ms (LTF) and an object temperature of 25 °C
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