Accuracy class 0.5 for our 8 path model with or without a flow conditioner. Accuracy class 0.5 for our 6 path version with flow conditioner. Testing done at TCC and CEESI. Below - In collaboration with our friends at TCC and remotely with NMi, we successfully conducted iSonic 8X test & calibration. A 16”, 8 Path, ANSI 600# iSonic 8X. As expected, the iSonic 8X passed successfully meeting full compliance with OIML R137 – straight out of the box!