The TDR-1000 from Bindicator, Spartanburg, SC, is a guided-wave radar level sensor that provides continuous level measurement of solids, granules, powders, and a variety of liquids. The device is unaffected by dust, temperature, pressure, humidity, or filling conditions. The 2-wire, loop-powered transmitter has a 24 VDC input and a 4–20 mA output. It is available with a SS wave guide of up to 78 ft. and is compliant with IP66 and NEMA 4X standards. Applications include bulk solids, such as agricultural products, baking ingredients, minerals and aggregates, plastics, coal, fly ash, and wood products and liquids, such as chemicals, wastewater, and food and beverage ingredients.