(6)
PT RATIO ERROR TESTER (PT 변압기 및 변류기 RATIO 시험기)
UM-PT221-BASIC, UM-PT223 BASIC, UM-PT223-7 ADVANCED, UM-PT223-10 ADVANCED
CT/PT RATIO ERROR TESTER (CT/PT 변압기 및 변류기 RATIO 시험기)
UM-CPT221 BASIC, UM-CPT223 ADVANCEDPORTABLE PT RATIO ERROR TESTER (1P)
UM-PT221 BASICPORTABLE PT RATIO ERROR TESTER (1P)
UM-PT221 MINIPORTABLE PT RATIO ERROR TESTER (3P)
UM-PT-10ADVANCEPORTABLE PT RATIO ERROR TESTER (3P)
UM-PT-7 ADVANCE