GWL 72能够测量液体,浆体,颗粒,粉末和液体界面的液位。GWL72的探头由耐腐蚀性强且气密性好的PTFE材质制成可用于测量腐蚀性液体的液位。测量的结果不受介质变化,温度变化,气体厚度或蒸汽的影响。
测量范围 缆式: 30 m(max)
杆式: 4 m(max )
过程温度 -100℃~200℃
过程连接 DN80
过程压力 -1~40 bar
采用“空罐预处理”技术,可以正确识别有效回波,获取更准确的测量结果。
允许空仓调试,探头组件可以根据要求任意截短。
适用于界面的测量
不受各种复杂工况的影响,如表面的强烈波动、泡沫、水汽及粉尘的干扰。
无活动、无易磨损部件,无需经常清洁、保养、调试。
Continuous / Liquids
Measuring Principle TDR
Characteristic / Application Premium device coated for corrosive media
Rod probe, Rope probe
Wetted partsFDA listed materials, Integrated data memory
Interface measurement Clean interfaces liquid/ liquid;
Supply / Communication 2-wire (HART),4-wire (HART)
Accuracy Rod probe :+/- 2 mm
Rope probe :+/- 2 mm
Ambient temperature -40~+70 °C
Process temperature -40...+200 °C
Process pressure min/max Vacuum...40 bar
Main wetted parts 316L, PTFE
Process connection Flange:DN80...DN100
Sensor length Rod probe: 4 m
Rope probe: 30 m
Output 4~20 mA HART
Approvals Consult factory
Application limits High process temperatures can favor diffusion
of the process medium into the probe coating
which may lead to a limited lifetime.