The nesa HFM3000 harmonic da walƙiya gwajin tsarin ne wani takardar shaida matakin harmonic da walƙiya cikakken jituwa gwajin tsarin, wanda ya ƙunshi HFA-1000/3000 harmonic da walƙiya analyzer, HFS jerin harmonic da walƙiya gwajin keɓaɓɓun wutar lantarki da kuma keɓaɓɓun bincike software, cika da sabon sigar IEC 61000-3-2 / GB 17625.1, IEC 61000-3-3 / GB 17625.2 da kuma sigar IEC 61000-3-12 / GB 17625.8, IEC 61000-3-11 / GB 17625.7 ka'idoji, yayin da cika da sabon sigar IEC 61000-4-7 matsakaicin matakin I kayan aiki daidaito bukatun da IEC 61000-4-15 ka'idoji ga ma'auni kayan aiki bukatun, cimma harmonic da walƙiya cikakken jituwa gwaji da kuma bincike da samar da cikakken gwaji rah
Ta hanyar madaidaiciyar kulle na dijital, ma'aunin taga (10 zagaye / 12 zagaye) yana daidaitawa da ƙa'idodi tare da samar da wutar lantarki (50Hz / 60Hz). Kayan wutar lantarki na musamman yana da halaye kamar babban kwanciyar hankali, ƙananan karkatarwar harmonic, shigarwar ƙarfin lantarki mai faɗi, kuma duk suna iya samar da tsarki da kwanciyar hankali na siginar ƙarfin lantarki na sinus don gwajin a cikin yanayin canje-canje na kaya da canje-canje na ƙarfin lantarki na samar da wutar lantarki.