N17Z series meters mounted on 35 mm rail are destined to measure a.c. voltage and a.c. current (up to 500 V, 40 A) and frequency (up to 200 Hz). Features : • Measurement of true RMS current and voltage. • Measurement of frequency. • Direct or indirect measurement. Current and voltage ratio programming by means of PD15. • Assembling of meters on a 35 mm rail, • Meter overall dimensions enable the assembly together with typical connection elements used in power engineering. • 3 or 4-digit display in red or green color. Borna Niroo Karan (Bornika) is the exclusive agent of LUMEL in the fields of consultation , sales and distribution of power industry products including Digital Voltage and current meter products .