Appendix F 100 Ω Nickel-Iron Rtd Table - Pentair 920 Series Installation, Operating And Maintenance Instructions

Heat trace controller
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appendIx f 100 Ω nICKeL-Iron rtd tabLe
ohms
°f
°C
69.8
–100
–73
71.1
–95
–70
72.3
–90
–67
73.1
–85
–65
74.3
–80
–62
75.5
–75
–59
76.7
–70
–56
78.0
–65
–53
78.8
–60
–51
80.0
–55
–48
81.2
–50
–45
82.2
–45
–42
82.9
–40
–40
84.2
–35
–37
85.7
–30
–34
86.9
–25
–31
88.1
–20
–28
88.9
–15
–26
90.1
–10
–23
91.4
–5
–20
92.2
0
–17
93.4
5
–15
94.5
10
–12
95.8
15
–9
97.1
20
–6
98.3
25
–3
99.5
30
–1
100.8
35
1
102.0
40
4
103.3
45
7
104.5
50
10
105.9
55
12
107.2
60
15
108.5
65
18
109.8
70
21
111.1
75
23
112.5
80
26
113.8
85
29
115.2
90
32
116.5
95
35
117.9
100
37
119.2
105
40
120.6
110
43
122.0
115
46
123.4
120
48
124.8
125
51
126.2
130
54
127.6
135
57
129.0
140
60
130.5
145
62
131.9
150
65
INDUSTRIAL HEAT TRACING SOLUTIONS
ohms
°f
°C
133.4
155
68
134.8
160
71
136.3
165
73
137.8
170
76
139.3
175
79
140.8
180
82
142.3
185
85
143.8
190
87
145.3
195
90
146.8
200
93
148.4
205
96
149.9
210
98
151.5
215
101
153.0
220
104
154.6
225
107
156.2
230
110
157.7
235
112
159.3
240
115
160.9
245
118
162.5
250
121
164.2
255
123
165.8
260
126
167.4
265
129
169.0
270
132
170.7
275
135
172.3
280
137
174.0
285
140
157.7
290
143
177.4
295
146
179.1
300
148
180.8
305
515
182.5
310
154
184.2
315
157
185.9
320
160
187.6
325
162
189.
330
165
191.1
335
168
192.9
340
171
194.5
345
173
196.4
350
176
198.2
355
179
199.9
360
182
201.7
365
185
203.5
370
187
205.3
375
190
207.2
380
193
109.0
385
196
210.8
390
198
212.7
395
201
214.5
400
204
216.4
405
207
EN- Raychem920series-IM-H56874       05/15
ohms
°f
°C
218.2
410
210
220.1
415
212
222.0
420
215
223.9
425
218
225.8
430
221
227.7
435
223
229.6
440
226
231.5
445
229
233.5
450
232
235.4
455
235
237.4
460
237
239.3
465
240
241.3
470
243
243.3
475
246
245.3
480
248
247.2
485
251
249.3
490
254
251.2
495
257
253.3
500
260
255.2
505
262
257.3
510
265
259.3
515
268
261.4
520
271
263.4
525
273
265.5
530
276
267.6
535
279
269.6
540
282
271.7
545
285
273.8
550
287
275.9
555
290
278.0
560
293
280.1
565
296
282.3
570
298
284.4
575
301
286.5
580
304
288.6
585
307
290.8
590
310
293.1
595
312
295.2
600
315
297.5
605
318
299.8
610
321
301.4
615
323
303.7
620
326
306.0
625
329
308.3
630
332
310.6
635
335
312.2
640
337
314.5
645
340
316.8
650
343
319.1
655
346
320.6
660
348
75 / 82

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