First, the performance indicators Power supply:??????? 18V ~ 30VDC Output Current:???? 4 ~ 20mA (two wire) Ambient temperature:????? -40 ℃ ~ 70 ℃ Display?: ????? four LCD LCD Connection:???????? M27 X 2 or flange connection (optional) Measuring range:????? 200mm ~ 35 rice fine degree???? :????? 0.5% medium temperature:???????? -100 ~ 200 ℃ Enclosure protection:??????? IP65 two characteristics:?? versatility: measure the level and material level, to meet the requirements of different measuring temperature, pressure, media, and can be applied to corrosion, shock and other adverse situations. ? Immunity: contact measurement, anti-interference ability, can overcome the vapors, foam and stirring on the measurement. ? Maintenance: measurement with no moving parts, no mechanical components corruption problems, no maintenance. ? Four, the typical application of conductive, insulating liquids - oil, chemicals conductive, insulating paste - papermaking, metallurgy particles:??? Grain, coal - food, plant powder:? Ash, coal, cement - power plants, cement