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Precise pressure sensor for demanding railway applications

PP20R

  • Robust ceramic measuring cell
  • Compact stainless steel design
  • Precision class ≤ 0.5% FS
  • High precision throughout a wide temperature range (-40 ... 125 °C)
  • Approved for railway applications according to EN 50155
  • Resistant to vibration and shocks according to EN 61373 (category 2)
  • High EMC protection, e.g. 1 kV AC insulation resistance
  • Relative pressure and vacuum measurement
  • Pressure measuring range from -1 ... 1 bar to 0 ... 400 bar
Technical Data
Measuring range
  • -1 … 400 bar
Min. measuring span
  • 0.25 bar
Max. measuring span
  • 400 bar
Pressure type
  • Relative (gauged)
Standard error of measurement (BFSL)
  • ± 0.12 % FSR
  • ± 0.2 % FSR
  • ± 0.4 % FSR
  • Including non-linearity, hysteresis and non-repeatability according BFSL
Max. measuring error
  • ± 0.3 % FSR
  • ± 0.5 % FSR
  • ± 1.0 % FSR
  • Including zero-point and span error, nonlinearity (by terminal base line), hysteresis and non-repeatability (EN 61298-2)
Temperature coefficient
  • ≤ 0.05 % FSR/10 K , measuring span
  • ≤ 0.05 % FSR/10 K , zero point
Compensated temperature range
  • -10 … 60 °C
Long term stability
  • ≤ 0.2 % FSR/a
Step response time
  • < 3 ms
Power-up time
  • < 50 ms
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