Ziegler EM series is specially designed for Active, Reactive and Apparent Energy Measurement including per phase THD, Powers and others parameters as per different models . Ziegler EM series measures important electrical parameters in 3 phase and single phase Network & replaces the multiple analog panel meters . It measures electrical parameters like Active / Reactive / Apparent energy , power as per models . The instrument has optional output as one pulse output for energy measurement. Other features of this device are : - LCD shows 3 Parameters at a glance - Measures distorted waveform up to 15th Harmonic - TRMS Measurement - Onsite Programmable CT ratios and PT ratios - Remote configuration of the Instrument via MODBUS - Onsite Programmable System Configuration 3PH4W/ 3PH3W / 1PH2W Borna niroo karan company (Brnika) is Exclusive Representative of Contrel , in the purchase, sales, consulting and distribution and industrial equipment and measurement equipment, including digital multi-function , Multi Meter, Multi Function and Energy Meter .