用于目测或电控监测油箱内液位的高度，适用于液压油，可带温度传感器或温度开关，可选常开/常闭触点，76mm, 100mm，127mm,150mm,176mm,200mm,254mm,381mm多个长度可选。                                                                            

安装螺纹M12*1常用型号：                                                     

HFK127B-C-O-12, HFK150B-C-O-12, HFK176B-C-O-12, HFK200B-C-O-12, HFK254B-C-O-12, HFK381B-C-O-12,     HFK127V-C-O-12, HFK150V-C-O-12, HFK176V-C-O-12, HFK200V-C-O-12,HFK254V-C-O-12, HFK381V-C-O-12,