optris CT - Measurement Specifications for CTfast and CThot

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2.4 Measurement Specifications [CTfast/ CThot]
LT15F
LT25F
LT02H
LT10H
Temperature range (scalable)
-50...975 °C
-40...975 °C
Ambient temperature (head)
-20...120 °C
-20...250 °C
Storage temperature (head)
-40...120 °C
-40...250 °C
Spectral range
8...14 µm
Optical resolution
15:1
25:1
2:1
10:1
System accuracy
1) 2) 3)
±2°C or ±1%
±1,5°C or ±1%
Repeatability
1) 3)
±0,75 °C or ±0,75 %
±0,5 °C or ±0,5 %
Temperature coefficient
4)
±0,05 K/ K or ±0,05 %/ K
NETD
3) 5)
200 mK
400 mK
250 mK
Response time (90 % signal)
9 ms
6 ms
100 ms
Warm-up time
10 min
Emissivity/ Gain
0,100...1,100 (adjustable via programming keys or software)
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 temperature 235 °C; whichever is greater; at object temperatures ≥ 20 °C; response time=1s
2)
Accuracy for thermocouple output: ±2,5°C or ±1%
3)
ε = 1
4)
for ambient temperatures (head) <18 °C and >28 °C; whichever is greater
5)
at time constant 100 ms and an object temperature of 25 °C
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