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NTC100k B3950 sensor characteristic

revision 91934


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

NTC100k: -55…125 °C (B₍₂₅₋₅₀₎=3950)
Temperature (°C) Resistance (Ω)
-55 11093800
-50 7237730
-45 4877200
-40 3376080
-35 2390220
-30 1724780
-25 1265000
-20 940890
-15 708420
-10 539170
-5 414320
0 321140
5 250890
10 198530
15 156410
20 124690
25 100000
30 80650
35 65400
40 53300
45 43660
50 35840
55 29710
60 24680
65 20590
70 17250
75 14520
80 12270
85 10400
90 8860
95 7570
100 6500
105 5600
110 4840
115 4190
120 3650
125 3190