Bio-Tech-Flow-Consumption-Monitoring-System-Bio-Tech-ARS-261-p-The-ARS-261-is-a-microprocessor-controlled-universal-display-&-analysis-unit-for-reading-two-separate-pulse-meters-The-compact-&-rugged-unit-is-specifically-designed-for-industrial-use-The-device-can-detect-any-pulse-shape-from-5-to-24-V-DC-With-the-ARS-261-the-difference-flow-&-total-flow-can-be-measured-indicated-&-summed-The-scaling-can-be-freely-selected-&-adjusted-to-the-sensor-constant-Connectable-with-2