Multi-functional power quality analyzer Janitza UMG 509 PRO is a rugged multi-test power quality analyzer to make your electric systems safe. It monitors voltage quality and disturbance in real time.

Multi-channel operating current and residual current monitoring device The Janitza UMG 20CM is a cutting-edge device designed for both residual current monitoring (RCM) and energy measurement.

Compact energy analyzer The Janitza UMG 103 CBM is a small yet durable energy measuring device. It is used to monitor power quality in real time and manage energy.