1.5 Technical Data
ITC500 / page 9
TEC Current limit
Setting range 0 ... ≥ 2 A
Measurement resolution (manual / remote control) 1 mA / 0.1 mA
Accuracy ± 20 mA
Temperature sensors AD590, AD592, LM135, LM335
Control range (AD590, LM135) - 45 °C ... + 145 °C
Control range (AD592) - 25 °C ... + 105 °C
Control range (LM335) - 40 °C ... + 100 °C
Setting resolution (manual / remote control) 0.01 °C / 0.003 °C
Measurement resolution (manual / remote control) 0.01 °C / 0.001 °C
Accuracy ± 0.1 °C
Temperature stability (24 hours) ≤ 0.001 °C
Thermistor (2 kΩ / 20 kΩ range)
Measurement current 100µA / 10 µA
Control range 10 Ω ... 19.99 kΩ / 100 Ω ... 199.9 kΩ
Setting resolution (manual control) 1 Ω / 10 Ω
Setting resolution (remote control) 0.3 Ω / 3 Ω
Measurement resolution (manual control) 1 Ω / 10 Ω
Measurement resolution (remote control) 0.1 Ω / 1 Ω
Accuracy ± 5 Ω / ± 50 Ω
Temperature stability (24 hours)
1)
≤ 0.5 Ω / ≤ 5 Ω
Temperature control input
Input resistance 10 kΩ
Control voltage -10 ... +10 V
Transmission coefficient IC-sensors
2 °C/V ±5%
Transmission coefficient thermistor (20 kΩ / 200 kΩ range)
0.2 kΩ/V / 2 kΩ/V ±5%
1)
Due to the nonlinear conversion from Ω to °C the stability in °C depends on the operating conditions
and the characteristics of the thermistor. E.g. for a typical thermistor at a set point of 10kΩ (25°C), a
0.5Ω stability translates into about 1mK temperature stability. At a set point of 5kΩ (38°C), the stability
is about 2mK.
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