RISH LM1340 measures important electrical parameters in 3 phase 4 wire, 3 phase 3 wire and 1 phase 2 wire Network. It displays many parameters at a glance. It measures electrical parameters like Active / Reactive / Apparent energy and all basic parameter. The instrument has two optional digital outputs available as pulse or alarm with programmable pulse duration and width. This instrument also has two optional digital inputs for monitoring the external contact status, pulse counting and/or energy accumulation according to tariff.