ABB REM 610 Technical Reference Manual page 37

1MRS 755537
Motor protection Relay
Technical Reference Manual
Fig. 4.1.4.11.-1 RTD sensor/thermistor connection
RTD temperature vs resistance
Resistance values (Ω) of RTD sensors at specified temperatures are presented in the
table below.
Table 4.1.4.11-1 Resistance values of RTD sensors
Platinum
TCR 0.00385
Temperature °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
140 153.58
150 -
160 161.04
180 168.46
200 175.84
220 -
240 -
Nickel
TCR 0.00618
Pt 250 Pt 1000 Ni 100 Ni 120 Cu 10
210.68 842.7 79.1
220.55 882.2 84.1
230.4 921.6 89.3
240.23 960.9 94.6
250 1000 100.0
259.75 1039 105.6
269.48 1077.9 111.2
279.18 1116.7 117.1
288.85 1155.4 123.0
298.5 1194 129.1
308.1 1232.4 135.5
317.68 1270.7 141.7
327.23 1308.9 148.3
336.75 1347 154.9
346.25 1385 161.8
365.15 1460.6 176.0
383.95 1535.8 190.9
- - 198.6
402.6 1610.4 206.6
421.15 1684.6 223.2
439.6 1758.4 240.7
- - 259.2
- - 278.9
REM 610
+
-
+
-
Copper Nickel
TCR 0.00427 TCR 0.00672
Ni 120 US
94.92 7.49 92.76
100.92 - -
107.16 8.26 106.15
113.52 - -
120 9.04 120.00
126.72 - -
133.44 9.81 134.52
140.52 - -
147.6 10.58 149.79
154.92 - -
162.36 11.352 165.90
170.04 - -
177.96 12.12 182.84
185.88 - -
194.16 12.90 200.64
211.2 13.67 219.29
229.08 14.44 238.85
238.32 - -
247.92 15.22 259.30
267.84 - 280.77
288.84 - 303.46
311.04 - 327.53
334.68 - 353.14
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