The PD.Charger-GSM v2.5 is an industrial-grade solar and LiFePo4 charger/controller with MPPT support, designed for 2–4 cell Li-Ion/LiFePo4 batteries.

A new concept of volumetric calibrator has been recently introduced for the in-situ calibration of flow meter in laboratory. The calibration method, that uses a volumetric measuring tank along with a ...