*Materials:The main body is made ofSUS304 stainless steel*Accessories-38mm*2.6mmO-ring,43mm*3.5mmO-ring-5 pieces of M5 screws-2 mmthick NBR gasket/3Or recommended2 mmthick in gas tank.*Protection rank :IP67*Applying the principle of magnetic fied Magnetic field to control the reed on-off Swith,featuring long using life, anti- Vibration,anti-explosion,ets.*Rated Power :125mW*Rated Current for alarm swith:500Ma*Output signal:resistance contron signal

0-190Ω,240-33Ω, or customized as

Required ;you can also signal, 0-20mA

4-20mA or Voltage control signal,0.5-4.5

VDC,0-5VDC

*Precision range: 10-40mm

*Operating temperature-40℃-+80℃