Specifications include, but are not limited to: • SDI-12 interface provides “plug and play” connection with multi-parameter waterquality sondes and other compatible devices. • Standard 512kB memory gives you great flexibility for logging environmental data. • Choice of 11 different glass and plastic bottle configurations ranging from 24 x 1liter to 1 x 5.5 gallon. • NEMA 4X, 6 (IP67) controller enclosure • Rugged ABS plastic shell • Foam-insulated base holds up to 30 pounds (13.5 kg) of ice to preserve samples even in extreme conditions. • Sample delivery at the EPA-recommended velocity of 2 ft/sec., even at head heights of 26 feet. • Pump revolution counter and patented liquid detection sensor ensure accurate sample volumes - and tells you when tubing should be replaced.