9 Technical data
83
b The accuracy specifications refer to the maximum measuring range. Smaller measuring spans lead to reduced linearization accuracy.
9.1.3 Standard signals
Measuring range start/end Freely programmable within the limits in steps of 0.1 °C
Cold junction Pt1000 internal, thermostat (fixed constant value), adjustable
Reference point accuracy (internal) ±1 K
Reference point temperature (fixed constant value) -20 to +80 °C adjustable
Special features Can also be programmed in °F
Designation Measuring range Measuring
accuracy
c
Ambient temperature
influence
Voltage freely scalable
Input resistance R
E
> 500 kΩ
Input resistance R
E
> 1 MΩ
DC0 to 10V
DC 0 to 1 V
0 to 100 mV
±5 mV
±0.05 %
≤ ±0.005 %/K
Deviation of 22 °C
Current (voltage drop ≤ 2V), freely scalable DC 0(4) to 20 mA ±20 μA ≤ ±0.005 %/K
Deviation of 22 °C
Galvanic isolation see Chapter 3.5 "Galvanische Trennung"
Special features Measuring range scaling, adjustable
Limits in accordance with NAMUR recommendation NE 43 in case of deviation above/below mea-
sured range
Signal type 4 to 20 mA
Designation Standard Measuring range Measuring accuracy
b
ITS
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