主要技术参数
公称直径
精度等级± 3/2/3%(超过全量程的一半后存在
±2%误差) 国内1.5%
测量范围0 to 30 Hg VAC;联程30”Hg to 400psi;
0 to 5,000psi
连接螺纹1/8”和1/4”NPT,其它见选型表
仪表外壳21/2”、31/2”铁壳喷黑塑,
41/2”铁壳电镀
波登管及仪表接头铜合金波纹管与磷铜接头锡焊接
仪表机芯铜合金
仪表玻璃21/2”、31/2”有机玻璃旋紧式
41/2”平板塑料玻璃带金属紧固圈
仪表度盘标准度盘及铝制白地黑字PSI和KPa双刻
度盘
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