Lumel RE72 - Page 88

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Intrinsic error of the real value measurement
0.2%, for resistance thermometer inputs,
0.3%, for inputs for thermocouple sensors (0.5% – for B, R, S);
0.2% ± 1 digit, for linear inputs
Current fl owing through the resistance
thermometer sensor 0.22 mA
Measurement time 0.2 s
Input resistance:
- for voltage input 150 kΩ
- for current input 50 Ω
Error detection in the measuring circuit:
- thermocouple, Pt100, Pt1000 overrun of measuring
range
- 0...10 V over 11 V
- 0...5 V over 5,5 V
- 0...20 mA over 22 mA
- 4...20 mA under 1 mA
and over 22 mA
Additional input
intrinsic error of the real value
measurement 0.3% ± 1 digit
Measurement time 0.5 s
Input resistance 100 Ω