Table of Contents
Advertisement
®
ABB i-bus
EIB / KNX
46
Planning and application
130
125
120
115
110
105
100
95
90
85
-30
-20
-10
Fig. 33: Measurement curve for the PT100
The two hatched lines indicate the possible further progression of the
measurement curve. The manufacturer guarantees the standardised values
for the measuring range from – 20 °C to + 60 °C. This example shows that
the resistance values of < – 20 °C and > + 60 °C do not correspond to the
standard resistance values.
Measurement curve taking all specifications into account:
130,00
Threshold 1: lower limit
125,00
120,00
115,00
Threshold 1: upper limit
110,00
105,00
100,00
95,00
90,00
85,00
-30,00
-20,00
-10,00
Fig. 34: Measurement curve for the PT100 with threshold values
Measurement curve of the PT100
0
10
20
30
Measuring range in °C
Measurement curve with threshold values
Threshold 2: upper limit
Threshold 2: lower limit
0,00
10,00
20,00
30,00
Measuring range in C
40
50
60
70
40,00
50,00
60,00
70,00
Advertisement
Table of Contents
