Đồng Hồ Áp Suất WIKA 342.11 - Test gauge

Thông Số Kỹ Thuật

• Design EN 837-1, including transport case and acceptance test certificate (individual listing of the calibration points)
• Nominal size in mm 250
• Accuracy class 0.1
• Scale ranges 0 ... 0.6 to 0 ... 1,600 bar or all other equivalent vacuum or combined pressure and vacuum ranges
• Adjustment medium
  • ≤ 25 bar: Gas
  • > 25 bar: Liquid
• Pressure limitation
  • Steady: Full scale value
  • Fluctuating: 0.9 x full scale value
    
• Permissible temperature
  • Ambient: -20 ... +60 °C
  • Medium: +100 °C maximum     
    
• Temperature effect
  When the temperature of the measuring system deviates from the reference temperature (+20 °C): Max. ±0.4 %/10 K of full scale value
  
• Ingress protection IP54 per IEC/EN 60529
• Process connection 
  • Stainless steel Lower mount (radial) or lower back mount
  • G ½ B (male), SW 22
• Pressure element
  
  • Ni-Fe alloy
  • < 100 bar: C-type
  • ≥ 100 bar: Helical type
    
• Movement Copper alloy, wear parts argentan
• Dial Aluminium, white, black lettering, scale 330°, with mirror band scale, for zero adjustment rotatable by ±15°
• Pointer Knife edge pointer, aluminium, black
• Case Flange ring type case, aluminium, black-silver
• Window Clear non-splintering plastic, green tinted to prevent the dazzle effect
  
• Bezel ring Flange ring, aluminium, black-silver