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Datasheet

Highly accurate pressure sensor for demanding railway applications

PBMR

  • Fully welded, oil-filled measuring cell
  • Robust stainless steel housing
  • Excellent accuracy and long-term stability up to ≤ 0.1% FS
  • Approved for railroad applications according to EN 50155
  • Resistant to vibration and shocks according to EN 61373 (category 2)
  • Absolute pressure, relative pressure, and vacuum measurement
  • Pressure measurement range -1 ... 40 bar
Technical Data
Measuring range
  • -1 … 40 bar
Min. measuring span
  • 0.1 bar
Max. measuring span
  • 40 bar
Pressure type
  • Absolute
  • Relative (gauged)
Standard error of measurement (BFSL)
  • ± 0.04 % FSR
  • ± 0.1 % FSR
  • Including non-linearity, hysteresis and non-repeatability according BFSL
  • For turndown, multiply this value by the applied turndown ratio
Max. measuring error
  • ± 0.1 % FSR
  • ± 0.25 % FSR
  • Including zero-point and span error, nonlinearity (by terminal base line), hysteresis and non-repeatability (EN 61298-2)
  • For turndown, multiply this value by the applied turndown ratio
Temperature coefficient
  • ≤ 0.03 % FSR/10 K , measuring span
  • ≤ 0.03 % FSR/10 K , zero point
Compensated temperature range
  • -40 … 85 °C
Long term stability
  • ≤ 0.1 % FSR/a , measuring range > 1 bar
  • ≤ 1 mbar , measuring range ≤ 1 bar
Rise time (10 ... 90 %)
  • ≤ 5 ms