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GE Multilin 489 Generator Management Relay 4-49
4 SETPOINTS 4.9 S8 RTD TEMPERATURE
4
4.9S8 RTD TEMPERATURE 4.9.1 RTD TYPES
PATH: SETPOINTS ÖØ S8 RTD TEMPERATURE Ö RTD TYPES
Each of the twelve RTDs may be configured as None or any one of four application types, Stator, Bearing, Ambient, or
Other. Each of those types may in turn be any one of four different RTD types: 100 ohm Platinum, 120 ohm Nickel, 100 ohm
Nickel, 10 ohm Copper. The table below lists RTD resistance vs. temperature.
RTD TYPES
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STATOR RTD TYPE:
100 Ohm Platinum
Range: 100 Ohm Platinum, 120 Ohm Nickel
100 Ohm Nickel, 10 Ohm Copper
BEARING RTD TYPE:
100 Ohm Platinum
Range: 100 Ohm Platinum, 120 Ohm Nickel
100 Ohm Nickel, 10 Ohm Copper
AMBIENT RTD TYPE:
100 Ohm Platinum
Range: 100 Ohm Platinum, 120 Ohm Nickel
100 Ohm Nickel, 10 Ohm Copper
OTHER RTD TYPE:
100 Ohm Platinum
Range: 100 Ohm Platinum, 120 Ohm Nickel
100 Ohm Nickel, 10 Ohm Copper
Table 4–6: RTD TEMPERATURE VS. RESISTANCE
TEMP
°CELSIUS
TEMP
°FAHRENHEIT
100 Ω PT
(DIN 43760)
120 Ω NI 100 Ω NI 10 Ω CU
–50 –58 80.31 86.17 71.81 7.10
–40 –40 84.27 92.76 77.30 7.49
–30 –22 88.22 99.41 82.84 7.88
–20 –4 92.16 106.15 88.45 8.26
–10 14 96.09 113.00 94.17 8.65
0 32 100.00 120.00 100.00 9.04
10 50 103.90 127.17 105.97 9.42
20 68 107.79 134.52 112.10 9.81
30 86 111.67 142.06 118.38 10.19
40 104 115.54 149.79 124.82 10.58
50 122 119.39 157.74 131.45 10.97
60 140 123.24 165.90 138.25 11.35
70 158 127.07 174.25 145.20 11.74
80 176 130.89 182.84 152.37 12.12
90 194 134.70 191.64 159.70 12.51
100 212 138.50 200.64 167.20 12.90
110 230 142.29 209.85 174.87 13.28
120 248 146.06 219.29 182.75 13.67
130 266 149.82 228.96 190.80 14.06
140 284 153.58 238.85 199.04 14.44
150 302 157.32 248.95 207.45 14.83
160 320 161.04 259.30 216.08 15.22
170 338 164.76 269.91 224.92 15.61
180 356 168.47 280.77 233.97 16.00
190 374 172.46 291.96 243.30 16.39
200 392 175.84 303.46 252.88 16.78
210 410 179.51 315.31 262.76 17.17
220 428 183.17 327.54 272.94 17.56
230 446 186.82 340.14 283.45 17.95
240 464 190.45 353.14 294.28 18.34
250 482 194.08 366.53 305.44 18.73
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