主要技術參數
公稱直徑
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%
測量范圍0 to 30 Hg VAC；聯程30”Hg to 400psi；
0 to 5,000psi
連接螺紋1/8”和1/4”NPT，其它見選型表
儀表外殼21/2”、31/2”鐵殼噴黑塑，
41/2”鐵殼電鍍
波登管及儀表接頭銅合金波紋管與磷銅接頭錫焊接
儀表機芯銅合金
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
儀表度盤標準度盤及鋁制白地黑字PSI和KPa雙刻
度盤
Specifications
Diameter:
Accuracy: ± 3/2/3% (there is ± 2% error when the
pressure overrun half of the full scale of
value )
Range: 0 to 30 Hg VAC; mix range 30”Hg to 400psi;
0 to 5,000psi
Connection: 1/8”and 1/4”NPT, See type table
Case: 21/2”, 31/2” iron case with black plastic painted;
41/2” iron plating case.
Bourdon tube & socket: Copper alloy tube with
phosphor copper socket, soft soldering
Internals: Copper alloy
Window: 21/2”, 31/2” plain plastic, screw fixed;
41/2” plain plastic glass with metal fixing loop
Dial: Aluminium, white with black marks, double scale
of PSI and Kpa
