ABB REM 610 Technical Reference Manual page 45

1MRS755537
Table 5.1.4.11.-1 Resistance values of RTD sensors
Temperature Platinum TCR 0.00385
°C
Pt 100
-40 84.27
-30 88.22
-20 92.16
-10 96.09
0 100.00
10 103.90
20 107.79
30 111.67
40 115.54
50 119.40
60 123.24
70 127.07
80 130.89
90 134.70
100 138.50
120 146.06
Motor Protection Relay
Technical Reference Manual - ANSI Version
RTD sensor/
thermistor
RTD sensor/
thermistor
Fig. 5.1.4.11.-1 RTD sensor/thermistor connection
RTD temperature vs resistance
Resistance values (Ω) of RTD sensors at specified temperatures are presented in the
table below.
Pt 250 Pt 1000
210.68 842.7
220.55 882.2
230.4 921.6
240.23 960.9
250 1000
259.75 1039
269.48 1077.9
279.18 1116.7
288.85 1155.4
298.5 1194
308.1 1232.4
317.68 1270.7
327.23 1308.9
336.75 1347
346.25 1385
365.15 1460.6
+
-
Common
+
-
Common
Nickel TCR 0.00618
Ni 100 Ni 120
79.1 94.92
84.1 100.92
89.3 107.16
94.6 113.52
100.0 120
105.6 126.72
111.2 133.44
117.1 140.52
123.0 147.6
129.1 154.92
135.5 162.36
141.7 170.04
148.3 177.96
154.9 185.88
161.8 194.16
176.0 211.2
REM 610 REM 610
G
mA
+
-
DIFF
G
mA
+
-
DIFF
Copper TCR Nickel TCR
0.00427 0.00672
Cu 10 Ni 120 US
7.49 92.76
- -
8.26 106.15
- -
9.04 120.00
- -
9.81 134.52
- -
10.58 149.79
- -
11.352 165.90
- -
12.12 182.84
- -
12.90 200.64
13.67 219.29
A050429
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