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NTC10k B3988 sensor characteristic

revision 91939


Description

A nominal static characteristic describes a sensor's temperature-dependent electrical value. For resistance sensors, it is resistance versus temperature; for thermocouples, thermoelectric EMF versus temperature.

These characteristics are used by the analog input module WB-MAI6 to calculate connected sensor temperatures.

Sensors

Resistance temperature detectors (RTDs):

  • Pt50 (α = 0.00385 °C⁻¹);
  • Pt100 (α = 0.00385 °C⁻¹);
  • Pt500 (α = 0.00385 °C⁻¹);
  • Pt1000 (α = 0.00385 °C⁻¹);
  • 50P (Russian platinum designation; α = 0.00391 °C⁻¹);
  • 100P (Russian platinum designation; α = 0.00391 °C⁻¹);
  • 500P (Russian platinum designation; α = 0.00391 °C⁻¹);
  • 1000P (Russian platinum designation; α = 0.00391 °C⁻¹);
  • 50M (Russian copper designation; α = 0.00428 °C⁻¹);
  • 100M (Russian copper designation; α = 0.00428 °C⁻¹);
  • 500M (Russian copper designation; α = 0.00428 °C⁻¹);
  • 1000M (Russian copper designation; α = 0.00428 °C⁻¹);
  • Ni100 (α = 0.00617 °C⁻¹);
  • Ni500 (α = 0.00617 °C⁻¹);
  • Ni1000 (α = 0.00617 °C⁻¹).

Thermocouples:

Thermistors:

Characteristic

NTC10k: -55…155 °C (B₍₂₅₋₁₀₀₎=3988)
Temperature (°C) Resistance (Ω)
-55 963000
-50 670100
-45 471700
-40 336500
-35 242600
-30 177000
-25 130400
-20 97070
-15 72930
-10 55330
-5 42320
0 32650
5 25390
10 19900
15 15710
20 12490
25 10000
30 8057
35 6531
40 5327
45 4369
50 3603
55 2986
60 2488
65 2083
70 1752
75 1481
80 1258
85 1072
90 918
95 789
100 680
105 589
110 511
115 445
120 389
125 342
130 301
135 265
140 235
145 208
150 185
155 165