21/2”,31/2”,&41/2”系列一般壓力表,是一種經濟型的測量一般介質壓力的儀表,可測量真空和混合壓力,最高測量壓力達5000psi。適用于水、油、空氣或其他非腐蝕性介質。抽水機、鍋爐、調整器,干衣機等商業及工業設備。
      21/2”, 31/2”, & 41/2” series General Service Pressure Gauge is an economic pressure gauge for normal medium, to measure vacuum and mix pressure up to 5000psi.It is applied to water, oil, air, gas or other non-corrosive medium.
      精度等級± 3/2/3%(超過全量程的一半后存在±2%誤差) 國內1.5%
      Accuracy: ± 3/2/3% (there is ± 2% error when the pressure overrun half of the full scale of value )
      測量范圍0 to 30 Hg VAC;聯程30”Hg to 400psi;0 to 5,000psi
      Range: 0 to 30 Hg VAC mix range 30”Hg to 400psi 0 to 5,000psi
      連接螺紋1/8”和1/4”NPT,其它見選型表
      Connection: 1/8”and 1/4”NPT, See type table
      儀表外殼21/2”、31/2”鐵殼噴黑塑,41/2”鐵殼電鍍
      Case: 21/2”, 31/2” iron case with black plastic painted 41/2” iron plating case.
      波登管及儀表接頭銅合金波紋管與磷銅接頭錫焊接
      Bourdon tube & socket: Copper alloy tube with phosphor copper socket, soft soldering
      儀表機芯銅合金
      Internals: Copper alloy
      儀表玻璃21/2”、31/2”有機玻璃旋緊式 41/2”平板塑料玻璃帶金屬緊固圈
      Window: 21/2”, 31/2” plain plastic, screw fixed 41/2” plain plastic glass with metal fixing loop
      儀表度盤標準度盤及鋁制白地黑字PSI和KPa雙刻度盤
      Dial: Aluminium, white with black marks, double scale of PSI and Kpaother non-corrosive medium.