Calibration assistance software for molbloc/molbox™ users. The Fluke Calibration molbloc/molbox is a unique gas flow standard offering state-of-the-art metrology from <1 sccm to several thousand slm with a wide variety of gases and real time measurement capability. COMPASS® for molbox software works with molbloc/molbox to create a full function calibration system. The result is the optimal flow calibration system combining the outstanding performance of molbloc/molbox with the power, versatility and features of a modern PC-based application. Fluke-8845A-8846A-6.5-Digit-Precision-Multimeter