ISTEC Corp., of Roselle, N.J., has announced the introduction of a complete line of irrigation flow meters. These meters measure and monitor the flow of groundwater, irrigation, well water, and even extremely polluted water. This meter doesn’t require electrical power and still can be read remotely. This meter has a self-cleaning turbine so water can be measured that contains up to 30 percent of suspended matter. The flow meter has a hermetically sealed flow counter.