Đồng Hồ Áp Suất WIKA 111.11 - Bourdon tube pressure gauge, copper alloy

Thông Số Kỹ Thuật

• Design ISO 5171
• Nominal size in mm 40, 50, 63
• Accuracy class 2.5
• Scale ranges Welding engineering standard ranges for oxygen and acetylene to ISO 5171, as well as 0 ... 1 to 0 ... 400 bar to EN 837-1
• 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), with restrictor
  • NS 40: G 1/8 B (male), 14 mm flats
  • NS 50,63: G 1/4 B (male), 14 mm flats
• Pressure element Copper alloy (with acetylene, max. 70 % copper content), C-type or helical type
  
• Movement Copper alloy
• Dial Plastic, white, black lettering, with pointer stop pin
• Pointer Plastic, black
• Case Steel, brass-coloured, with pressure relief in case back
• Window Polycarbonate, snap-fitted in case