Benchmark 750-3000 Boiler Operation & Maintenance Manual
APPENDIX C – SENSOR RESISTANCE/VOLTAGE CHART
Appendix C: SENSOR RESISTANCE/VOLTAGE CHART
Temperature Sensor Resistance Voltage Chart (BALCO)
TEMPERATURE
°F
°C
-40
-40
-30
-34.4
-20
-28.9
-10
-23.3
0
-17.2
10
-12.2
20
-6.7
30
-1.1
40
4.4
50
10
60
15.5
70
21.1
80
26.7
90
32.2
100
37.8
110
43.3
120
48.9
130
54.4
140
60
150
65.6
160
71.1
170
76.7
180
82.2
190
87.8
200
93.3
210
98.9
220
104.4
230
110
240
115.6
250
121.1
OMM-0122_D • GF-206 • 5/9/2019
RES (OHMS)
779.0
797.5
816.3
835.4
854.8
874.6
894.7
915.1
935.9
956.9
978.3
1000.0
1022.0
1044.4
1067.0
1090.0
1113.3
1137.0
1160.9
1185.2
1209.5
1234.7
1260.0
1285.6
1311.4
1337.7
1364.2
1391.0
1418.2
1445.7
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
VOLTS*
1.93
1.96
1.99
2.02
2.05
2.07
2.10
2.12
2.15
2.17
2.20
2.23
2.25
2.27
2.30
2.32
2.34
2.36
2.39
2.41
2.43
2.45
2.47
2.50
2.52
2.54
2.56
2.58
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