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NTC10k B3950 sensor characteristic

revision 91933


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₍₂₅₋₅₀₎=3950)
Temperature (°C) Resistance (Ω)
-55 878900
-50 617590
-45 439340
-40 316180
-35 230060
-30 169150
-25 125550
-20 94143
-15 71172
-10 54308
-5 41505
0 32014
5 25011
10 19691
15 15618
20 12474
25 10000
30 8080
35 6569
40 5372
45 4424
50 3661
55 3039
60 2536
65 2128
70 1794
75 1518
80 1290
85 1100
90 942
95 809
100 697
105 604
110 525
115 457
120 400
125 351
130 308
135 272
140 240
145 213
150 189
155 168