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)