功能特性
兼容开关电接点
过程连接螺纹或敞开式法兰
量程:0 … 1.6 kPa
描述
设计
符合EN 837-3标准
标准尺寸 (mm)
100和160
准确度等级
422.12型:1.6
423.12型:2.5
量程范围
0 ... 1.6 kPa至0 ... 25 kPa(法兰Ø为160 mm)
0 ... 40 kPa至0 ... 2.5 MPa(法兰Ø为100 mm)
或所有其他同等负压量程或正压和负压量程
压力限值
静压:满量程值
动压:0.9 x 满量程值
过压安全
3 x 满量程值,最大为4 MPa
允许温度
环境温度:-20 … +60℃
介质温度:最大为+100℃
储存温度: -40 ... +70℃ [量程≤6 kPa:-20...+70℃]
温度影响
当测量系统的温度在参考温度 (+20℃) 附近波动时,最大变化为量程的±0.8 %/10 K
防护等级
IP 54,符合EN 60529 / lEC 529标准 (带充液423.12型防护等级为IP 65)
详细参数
Model: 422.12
Specifications according to data sheet: PM 04.02
Case: black cast iron
Bezel ring: bayonet ring, stainless steel, black
Wetted parts: steel
Case filling: without
Case: black cast iron
Nominal size: 100 mm
Unit of outer Scale: kPa
Scale range: 0...10 kPa
Process connection: G 1/2 B
Pointer: standard pointer
Permissible medium temperature: -20 ... +100 °C (-4 ... +212 °F)
Accuracy class: class 1.6
Overpressure safety: 3 x Full scale value, max 40 bar
Case type: standard
Case surface: black cast iron
Ingress protection: Standard
Sealing of pressure chamber: NBR
Window: flat instrument glass
Packaging: single packing