The Enduro Series EF12 solar-powered ultrasonic flowmeter from Spire Metering Technology is designed where electrical power is not available. All components, except transducers, are housed in a weather-proof enclosure. The flowmeter has a flash memory stick that can save the last 512 daily net flow values and the last 128 monthly net flow values. Features include a solar panel rated at 20 watts, a built-in rechargeable battery and a charging circuit that’s able to maintain seven days of operation without sun. 888/738-0188; www.spiremt.com.