Datasheet
R/T characteristics
R/T No.
4001 4003
T (°C) B
25/100
= 3950 K B
25/100
= 4450 K
R
T
/R
25
α (%/K) R
T
/R
25
α (%/K)
55.0 88.052 7.3 103.81 6.8
50.0 61.65 7.0 73.707 6.7
45.0 43.727 6.8 52.723 6.6
40.0 31.395 6.5 37.988 6.5
35.0 22.802 6.3 27.565 6.4
30.0 16.742 6.2 20.142 6.2
25.0 12.367 6.0 14.801 6.1
20.0 9.2353 5.6 10.976 5.9
15.0 7.0079 5.4 8.1744 5.8
10.0 5.3654 5.4 6.1407 5.7
5.0 4.126 5.2 4.6331 5.5
0.0 3.2 5.0 3.5243 5.4
5.0 2.4986 4.9 2.6995 5.3
10.0 1.9662 4.7 2.0831 5.1
15.0 1.5596 4.6 1.6189 5.0
20.0 1.2457 4.5 1.2666 4.9
25.0 1.0000 4.4 1.0000 4.7
30.0 0.80355 4.2 0.78351 4.6
35.0 0.65346 4.1 0.62372 4.5
40.0 0.53456 4.0 0.49937 4.4
45.0 0.43966 3.9 0.40218 4.3
50.0 0.36357 3.8 0.32557 4.2
55.0 0.30183 3.7 0.26402 4.1
60.0 0.25189 3.6 0.21527 4.0
65.0 0.21136 3.5 0.17693 3.9
70.0 0.17819 3.4 0.14616 3.8
75.0 0.15089 3.3 0.12097 3.7
80.0 0.12833 3.2 0.10053 3.7
85.0 0.10948 3.1 0.083761 3.6
90.0 0.093748 3.0 0.070039 3.5
95.0 0.080764 2.9 0.058937 3.4
100.0 0.069842 2.9 0.049777 3.4
105.0 0.060455 2.9 0.042146 3.3
110.0 0.052498 2.8 0.035803 3.2
115.0 0.04574 2.7 0.030504 3.2
120.0 0.039972 2.7 0.026067 3.1
125.0 0.034984 2.6 0.022332 3.0
130.0
0.019186 3.0
135.0
0.016515 2.9
140.0
0.014253 2.9
145.0
0.012367 2.8
150.0
0.010758 2.8
155.0
0.0093933 2.7
Temperature measurement B57045K
Probe assemblies K45
Page 6 of 11Please read Cautions and warnings and
Important notes at the end of this document.