Description: [brief] split ultrasonic level meter contains a number of patented technology, high safety, cleanliness, precision, long life, stable and reliable, easy installation and maintenance, and suitable acid, alkali, salt, corrosion, high temperature and other kinds of fields. POLOFA Oita body ultrasonic level meter by 4 ~ 20mA or RS485 (Modbus protocol or other custom protocols) connected to a display table or product description Instrument Model parameters ML-F21 meter picture format three / four-wire installation split wall panel mount style split away ≤200m basic parameters maximum measuring range (liquid, fluid) 20m maximum measurement range (temperature, water vapor) 12m maximum measuring range (particles> 4mm solid) 8m blind 0.25 ~ 0.6m Accuracy ± 0.3% FS (standard Conditions *) Resolution ± 1mm ??input supply voltage DC12 ~ 36V / AC85 ~ 265V current> 100mA ripple requirement of less than ± 20mV output analog 4-20mA / load 500Ω digital RS485 interface / Modbus RTU protocol switch 4 6 4 6-way road Road ABS plastic material transmitter probe waterproof ABS / corrosion-resistant PTFE waterproof ABS flange nut / Teflon nut / DN32 steel flange can also customize a variety of PVC, PP, PTFE, carbon steel, stainless steel flanges environmental conditions Ambient temperature -20 ℃ ~ + 60 ℃. Temperature is less than -20 ℃, LCD restrictions; meter outdoor work, if exposed to direct sunlight, the need to add UV protection cover. Protection IP65 Process conditions Process temperature -40 ℃ ~ + 100 ℃, over 60 ℃ temperature probe process requires the use of pressure 0.8 ~ 3bar or 0.08 ~ 0.3Mbar abs / altitude of 3000 meters below the strong product features easy operation cost full-featured high noise immunity fully equipped interference ability fully equipped graphic LCD easy to operate cost-effective and easy to install