GE Multilin 489 Instruction Manual page 258
Generator management relay
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Also See for Multilin 489:
- Instruction manual (306 pages) ,
- Communications manual (78 pages) ,
- Instruction manual (38 pages)
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Applied
Resistance
100 Ω Platinum
84.27 Ω
100.00 Ω
119.39 Ω
138.50 Ω
157.32 Ω
175.84 Ω
194.08 Ω
Applied
Resistance
120 Ω Nickel
92.76 Ω
120.00 Ω
157.74 Ω
200.64 Ω
248.95 Ω
303.46 Ω
366.53 Ω
Applied
Resistance
100 Ω Nickel
77.30 Ω
100.00 Ω
131.45 Ω
167.20 Ω
207.45 Ω
252.88 Ω
305.44 Ω
Applied
Resistance
10 Ω Copper
7.49 Ω
9.04 Ω
10.97 Ω
12.90 Ω
14.83 Ω
16.78 Ω
7–8
Courtesy of NationalSwitchgear.com
Measured values should be ±2°C / ±4°F for platinum/nickel and ±5°C / ±9°F for
copper.
Alter the resistance applied to the RTD inputs as shown below to
simulate RTDs and verify accuracy.
View the measured values in
Expected RTD
Temperature Reading
°C
°F
1
–40°C
–40°F
0°C
32°F
50°C
122°F
100°C
212°F
150°C
302°F
200°C
392°F
250°C
482°F
Expected RTD
Temperature Reading
°C
°F
1
–40°C
–40°F
0°C
32°F
50°C
122°F
100°C
212°F
150°C
302°F
200°C
392°F
250°C
482°F
Expected RTD
Temperature Reading
°C
°F
1
–40°C
–40°F
0°C
32°F
50°C
122°F
100°C
212°F
150°C
302°F
200°C
392°F
250°C
482°F
Expected RTD
Temperature Reading
°C
°F
1
–40°C
–40°F
0°C
32°F
50°C
122°F
100°C
212°F
150°C
302°F
200°C
392°F
A2 METERING DATA
Measured RTD Temperature
Select One: ____°C ____°F
2
3
4
5
6
7
Measured RTD Temperature
Select One: ____°C ____°F
2
3
4
5
6
7
Measured RTD Temperature
Select One: ____°C ____°F
2
3
4
5
6
7
Measured RTD Tempeature
Select One: ____°C ____°F
2
3
4
5
6
7
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 7: TESTING
.
TEMPERATURE
8
9
10
11
12
8
9
10
11
12
8
9
10
11
12
8
9
10
11
12
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