Đồng Hồ Áp Suất WIKA 111.31 - Bourdon tube pressure gauge, copper alloy

Thông Số Kỹ Thuật

• Design ISO 5171
• Nominal size in mm 50
• Accuracy class 2.5
• Scale ranges 0 ... 2.5 to 0 ... 400 bar or all other equivalent vacuum or combined pressure and vacuum ranges
• Pressure limitation
  • Steady: 3/4 x full scale value
  • Fluctuating: 2/3 x full scale value
  • Short time: Full scale value
• Permissible temperature
  • Ambient: -20 ... +60 °C
    
  • Medium: +60 °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
  
• Process connection Copper alloy, lower mount (LM), 1/4 NPT (male), 14 mm flats
• Pressure element Copper alloy, C-type or helical type
  
• Movement Copper alloy
• Dial Plastic, white, black lettering, with pointer stop pin
• Pointer Plastic, black
• Case Zinc diecast with solid baffle wall (Solidfront) and blow-out device in the back
• Window Polycarbonate