Click to expand Tap to zoom S1-FMSIM | Flow Meter Simulator by Sensor-1 Sold out $125.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out The Flow Meter Simulator makes troubleshooting flow meter problems a much simpler task. It takes the guesswork out of troubleshooting a flow meter and will quickly identify the problem.