2.5.2 CTF / CTH Models
Model CTF-SF15 CTF-SF25 CTH-SF02 CTH-SF10
Temperature range (scalable) -50 ... 975 °C -50 ... 975 °C -40 ... 975 °C -40 ... 975 °C
Operating temperature (sensor) -20 ... 120 °C -20 ... 120 °C -20 ... 250 °C -20 ... 250 °C
Storage temperature (sensor) -40 ... 120 °C -40 ... 120 °C -40 ... 250 °C -40 ... 250 °C
Spectral range 8 ... 14 μm
Optical resolution 15:1 25:1 2:1 10:1
System accuracy
1 2
±2 °C or ±1 %
3
±1,5 °C or ±1 %
3
Repeatability
1
±0,75 °C or ±0,75 %
3
±0,5 °C or ±0,5 %
3
Temperature coefficient
5
±0.05 K/ K or ±0.05 %/ K (whichever is greater)
Temperature resolution (NETD)
3 4
0.2 K 0.4 K 0.25 K 0.25 K
Response time (95 % signal) 9 ms 6 ms 100 ms 100 ms
Acquisition time (50 % signal) 4 ms 3 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)
Software (optional) CompactConnect
1) At operating temperature 23 ±5 °C; whichever is greater.
2) Accuracy for thermocouple output: ±2.5 °C or ±1 %
3) At object temperatures ≥ 20 °C; e = 1
4) At time constant 100 ms with smart averaging and an object temperature of 25 °C
5) For ambient temperatures (sensor): 18 °C ≤ sensor ≤ 28 °C
i
On the CTH models CTH-SF02/ CTH-SF10 the sensor cable must not be moved during the measure-
ment.