PRODUCT HIGHLIGHT - LONG RANGE OF 40 METERS (130') Applications: Water reservoirs, dams, waterways, rivers. Chemical, food and agriculture industries. Supports liquid targets and solids (grains, pellets). Certified for installation in hazardous (explosive) atmospheres. For use in large storage vessels, high process tanks and open-air piles. Features: 4-wire, non-contact, continuous level sensor Range of 40 meters (130') for liquids and 30 meters (89') for solids Separate level sensor and control unit - up to 200m (650') away Interfaces: Analog 4-20mA, RS232, RS485, Modbus (read) protocol Relays: 5 SPDT independent On/Off programming for controls / alerts Choice of Polyproylene / PVDF sensors and optional Ex-certified models Self-adjustment or progammable to virtually all types of conditions Temperature: -40° to 80°C ( -40° to 176°F) No calibration or maintenance required, Automatic temperature compensation, false echo extraction, gas factor and more.