Knick SensoTrans R A 20230P0 Series, Manual

Page: 47 / 112

47
Specifications
Input Data for Resistor (R)
Connection 2-, 3- or 4-wire
(automatic identifi cation)
Resistance range
(incl. line resistance) Resistance measurement: 0 ... 5 kΩ
or 5 ... 100 kΩ
Max. line resistance 100 Ω
Supply current Max. 500 μA
Line monitoring Open circuits
Accuracy For resistances < 5 kΩ:
± (50 mΩ + 0.05% meas.val.)
for spans > 15 Ω
For resistances > 5 kΩ:
± (1 Ω + 0.2% meas.val.)
for spans > 50 Ω
Temperature coeffi cient at
the input
50 ppm/K of adjusted end value
(average TC in permitted operating
temp range, reference temp 23 °C)
Input Data for Potentiometer (ratio)
Input 200 Ω ... 50 kΩ
Connection 3- or 4-wire
Supply current 0 ... 5 mA
Line monitoring Open circuits
Accuracy < (0.2% full scale +0.05% meas.val.)
for spans > 5%
Temperature coeffi cient at the
input
50 ppm/K of adjusted end value
(average TC in permitted operating
temp range, reference temp 23 °C)