| |
| WECC's
NTC probes and assemblies are ruggedly designed
to withstand a variety of environmental conditions
when used for temperature measurement and control.
They also incorporate interchangeable NTC Thermistors
for excellent accuracy and interchangeability
over a large temperature range. |
| Physical
Specifications |
Housing
Table
| Dim
"A" |
Dim
"B" |
Dim
"C" |
Material |
Dash
# |
| 0.190"
(4.8mm) |
1.50"
(38.1mm) |
22"
(559mm) |
Stainless
Steel |
-003 |
| 0.250"
(6.4mm) |
1.88" (48mm) |
22"
(559mm) |
Stainless
Steel |
-004 |
| 0.375"
(9.5mm) |
2.00" (76.2mm) |
22"
(559mm) |
Stainless
Steel |
-007 |
| Electrical
Specification Table |
|
|
Resistance
@ 25 °C
(Ohms)
|
Resistance
Tolerance @ 25?C
|
Curve Type
(see
table below)
|
|
+/-
1%
|
+/-
2% |
+/-
5% |
|
PART #
|
PART
# |
PART
# |
| 2,252 |
WNP2502-xx |
WNP2503-xx |
WNP2504-xx |
H |
| 3,000 |
WNP3002-xx |
WNP3003-xx |
WNP3004-xx |
H |
| 4,000 |
WNP4002-xx |
WNP4003-xx |
WNP4004-xx |
H |
| 5,000 |
WNP5002-xx |
WNP5003-xx |
WNP5004-xx |
H |
| 6,000 |
WNP6002-xx |
WNP6003-xx |
WNP6004-xx |
H |
| 7,000 |
WNP7002-xx |
WNP7003-xx |
WNP7004-xx |
H |
| 8,000 |
WNP8002-xx |
WNP8003-xx |
WNP8004-xx |
H |
| 9,000 |
WNP9002-xx |
WNP9003-xx |
WNP9004-xx |
H |
| 10,000 |
WNP1012-xx |
WNP1013-xx |
WNP1014-xx |
H |
| 11,000 |
WNP1112-xx |
WNP1113-xx |
WNP1114-xx |
H |
| 12,000 |
WNP1212-xx |
WNP1213-xx |
WNP1214-xx |
H |
| Note:
Add Housing Dash Number to Part Number
Example:
WNP3002-003
(0.190"
Diameter x 1.50" Long Stainless Steel
Housing)
|
|
INTERCHANGEABLE
THERMISTOR
DATA
Curve
"H" (1
°C
Increments)
Resistance
Ratio vs Temperature
|
|
| Temperature
|
Resistance
Ratio
(R/R25) |
Temperature
|
Resistance
Ratio
(R/R25 |
| °C
|
°F |
°C
|
°F |
|
0
|
32
|
3.2657
|
36
|
97
|
0.6268
|
|
1
|
34
|
3.1036
|
37
|
99
|
0.6016
|
|
2
|
36
|
2.9505
|
38
|
100
|
0.5776
|
|
3
|
37
|
2.8058
|
39
|
102
|
0.5546
|
|
4
|
39
|
2.6690
|
40
|
104
|
0.5327
|
|
5
|
41
|
2.5396
|
41
|
106
|
0.5117
|
|
6
|
43
|
2.4174
|
42
|
108
|
0.4918
|
|
7
|
45
|
2.3018
|
43
|
109
|
0.4726
|
|
8
|
46
|
2.1922
|
44
|
111
|
0.4543
|
|
9
|
48
|
2.0886
|
45
|
113
|
0.4369
|
|
10
|
50
|
1.9904
|
46
|
115
|
0.4201
|
|
11
|
52
|
1.8974
|
47
|
117
|
0.4041
|
|
12
|
54
|
1.8093
|
48
|
118
|
0.3889
|
|
13
|
55
|
1.7258
|
49
|
120
|
0.3742
|
|
14
|
57
|
1.6465
|
50
|
122
|
0.3602
|
|
15
|
59
|
1.5715
|
51
|
124
|
0.3467
|
|
16
|
61
|
1.5003
|
52
|
126
|
0.3340
|
|
17
|
63
|
1.4327
|
53
|
127
|
0.3217
|
|
18
|
64
|
1.3684
|
54
|
129
|
0.3099
|
|
19
|
66
|
1.3074
|
55
|
131
|
0.2986
|
|
20
|
68
|
1.2495
|
56
|
133
|
0.2878
|
|
21
|
70
|
1.1944
|
57
|
135
|
0.2774
|
|
22
|
72
|
1.1421
|
58
|
136
|
0.2675
|
|
23
|
73
|
1.0923
|
59
|
138
|
0.2580
|
|
24
|
75
|
1.0451
|
60
|
140
|
0.2488
|
|
25
|
77
|
1.0000
|
61
|
142
|
0.2400
|
|
26
|
79
|
0.9573
|
62
|
144
|
0.2316
|
|
27
|
81
|
0.9166
|
63
|
145
|
0.2235
|
|
28
|
82
|
0.8778
|
64
|
147
|
0.2157
|
|
29
|
84
|
0.8409
|
65
|
149
|
0.2083
|
|
30
|
86
|
0.8057
|
66
|
151
|
0.2011
|
|
31
|
88
|
0.7722
|
67
|
153
|
0.1941
|
|
32
|
90
|
0.7403
|
68
|
154
|
0.1876
|
|
33
|
91
|
0.7099
|
69
|
156
|
0.1813
|
|
34
|
93
|
0.6809
|
70
|
158
|
0.1752
|
|
35
|
95
|
0.6532
|
|
|
|
|
|
INTERCHANGEABLE
THERMISTOR DATA
Curve
"H" (5
°C
Increments)
Resistance
Ratio vs Temperature
|
| Temperature
|
Resistance
Ratio
(R/R25) |
Temperature
|
Resistance
Ratio
(R/R25 |
| °C
|
°F |
°C
|
°F |
|
-50
|
-58
|
67.260
|
55
|
131
|
0.2987
|
|
-45
|
-49
|
47.337
|
60
|
140
|
0.2488
|
|
-40
|
-40
|
33.727
|
65
|
149
|
0.2084
|
|
-35
|
-31
|
24.312
|
70
|
158
|
0.1753
|
|
-30
|
-22
|
17.721
|
75
|
167
|
0.1482
|
|
-25
|
-13
|
13.054
|
80
|
176
|
0.1257
|
|
-20
|
-4
|
9.714
|
85
|
185
|
0.1072
|
|
-15
|
5
|
7.299
|
90
|
194
|
0.09174
|
|
-10
|
14
|
5.535
|
95
|
203
|
0.07882
|
|
-5
|
23
|
4.234
|
100
|
212
|
0.06798
|
|
0
|
32
|
3.266
|
105
|
221
|
0.05884
|
|
5
|
41
|
2.540
|
110
|
230
|
0.05110
|
|
10
|
50
|
1.990
|
115
|
239
|
0.04454
|
|
15
|
59
|
1.571
|
120
|
248
|
0.03894
|
|
20
|
68
|
1.249
|
125
|
257
|
0.03416
|
|
25
|
77
|
1.000
|
130
|
266
|
0.03005
|
|
30
|
86
|
0.8055
|
135
|
275
|
0.02652
|
|
35
|
95
|
0.6531
|
140
|
284
|
0.02347
|
|
40
|
104
|
0.5325
|
145
|
293
|
0.02082
|
|
45
|
113
|
0.4368
|
150
|
302
|
0.01853
|
|
50
|
122
|
0.3602
|
|
|
|
 
|
