상세설명
                STM-300 (국내제작)
| INPUT VOLTAGE | OUTPUT VOLTAGE/CURRENT | CAPACITY | 
| 3∅4W AC380V /√3 50/60HZ | 3∅4W AC0~440V/AC0~50.0A (0°, 30°, 60°, ~ 360°) TEST: V, A, PF, KW, KWH, KVAR, UVR, OVR, OVRG, OCR, OCGR, POR, SGR, 3E-RY시험 1∅2W AC0~500mA | DIGITAL 형 200VA / 250VA 위상가변 : 12각 *0° ~ 360° 가변기능 100VA | 
| TIME COUNTER | 0~999.999ms a,b CONTACT START, STOP 기능 | 

 
                                            








