30kw/60kw/120kw/150kw/300kw/600kw +-(3.0%+5)
apparent power 3kva/12kva/30kva/120kva/150kva/600kva +-(3.0%+5)
reactive power 3kvar/12kvar/30kvar/120kvar/150kvar/600kvar +-(3.0%+5)
power factor 0.3~1 +-(2.0%+2)
harmonic measurement 45hz~65hz (fundamental frequency) harmonic number:1 +-(3.0%+10)
harmonic number:2-6 +-(3.5%+10)
harmonic number:7-8 +-(4.5%+10)
harmonic number:9-10 +-(5.0%+10)
harmonic number:11-15 +-(7.0%+10)
harmonic number:16-20 +-(10%+10)