Cảm Biến Áp Suất WIKA SA-11 - Pressure Transmitter For Sanitary Applications

  • Measuring range (bar)25, 0.4, 0.6, 1, 2.5, 4, 6, 10, 16, 25
  • Overpressure limit (bar) 2, 2, 4, 5, 10, 17, 35, 35, 80, 80
  • Burst pressure (bar) 2.4, 2.4, 4.8, 6, 12, 20.5, 42, 42, 96, 96
  • Material
    • Wetted: parts Stainless steel 1.4435
    • Case: Stainless steel 1.4571
  • Pressure transmission medium
    • Synthetic oil, KN 77, FDA conform, FDA CFR No. 21CFR178.3750
    • {Neobee ® M-20, KN 59, FDA conform, FDA CFR No. 21CFR174.5}
  • Power supply U+ (U+ in DC V) 10 < U+ ≤ 30 (14 ... 30 for 0 ... 10 V output signal, 11 ... 30 V for field case)
  • Output signal and R in Ohm 4 ... 20 mA, 2-wire R ≤ (U+ - 10 V) / 0.02 A
  • Permissible max. load R
    • 0 ... 20 mA, 3-wire R ≤ (U+ - 3 V) / 0.02 A
    • {0 ... 10 V, 3-wire} R > 10 k {other output signals, e.g. CANopen, on request}
  • Adjustability of zero point/span (%) ±5 through potentiometer within the instrument
  • Response time (10 ... 90 %) (ms) ≤ 10 ms
  • Dielectric strength (DC V) 500
  • Accuracy (% of span) ≤ 0.5 {0.25} (Calibrated in vertical mounting position, process connection downwards)
  • Non-linearity (% of span) ≤ 0.2 (BFSL) per IEC 61298-2
  • Non-repeatability (% of span) ≤ 0.1
  • Stability per year (% of span) ≤ 0.2 (at reference conditions)
  • Permissible temperature ranges
    • Medium (°C) -20 ... +150
    • Ambient (°C) -20 ... +80
    • Storage (°C) -40 ... +100
  • Compensated temperature range (°C) 0 ... +80
  • Temperature coefficients in compensated temperature range
    • Mean TC of zero point
      • % of span ≤2 / 10 K for measuring range 0 ... 0.6 bar to 0 ... 25 bar
      • % of span ≤ 0.25 / 10 K for measuring range 0 ... 0.4 bar
      • % of span ≤ 0.4 / 10 K for measuring range 0 ... 0.25 bar
    • Mean TC of span % of span ≤ 0.2 / 10 K
  • Shock resistance (g) 500 per IEC 60068-2-27 (mechanical shock)
  • Vibration resistance (g) 15 per IEC 60068-2-6 (vibration under resonance)
  • Wiring protection
    • Overvoltage protection DC V 36
    • Short-circuit resistance S+ vs. U-
    • Reverse polarity protection U+ vs. U-
    • Ingress protection In accordance with EN 60529 / IEC 60529, see page 4
  • Weight (kg) 0.5 (approx. 0.6 with option of linear error 0.25 % of span)

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