BASCO, a leading distributor of Industrial Packaging, Supplies, and Equipment, introduces the BDFT-200 Ultrasonic Tri-Mode Drum Gauge. Designed to continuously monitor fluid levels in vertical drums when powered by a 24V DC external power supply or loop power 18-24V DC. The 4-20mA output can be interfaced to external controllers and test equipment. Unit may also be powered by two 9V batteries (4-20mA output function is not available in battery mode). Gauge accuracy is +/- 0.5 gallon (supplied with ¾” bung adapter). Monitor settings may be easily switched with the press of a button to calibrate the liquid level in a vertical 15, 30 or 55 gallon or 57, 114 or 128 liter drum. Backlit digital display reads to tenth of a gallon. Features a NEMA 4 housing, low battery life indicator, and an LED warning light that flashes every second when fluid level is less than 10% the maximum volume. No components to chemically corrode inside liquid media Compatible with water, wastewater, motor oil, hydraulic fluid and diesel fuel. Not for use with gasoline or other flammables.* Designed for monitoring fluid level in vertical drums * Selected settings for 15, 30 55 gallons or 57, 114, 208 liters * Backlit digital display reads to tenth of a gallon * No components to chemically corrode inside liquid media * Power with 9V batteries (2)*, 24V DC supply, or loop power 18-24V DC