◎真有效值測量、整四位顯示
◎三排LED同時顯示A、B、C三相電壓或電流
◎軟件調校、內部無電位器（精度高、穩定性好、*工作免調校）
◎可編程通過面板按鍵任意調節顯示值1~9999
◎可選帶通訊功能、通訊地址、波特率
◎可選帶上下限報警控制功能
PS1940P-1X1, PS1940P-2X1, PS1940P-3X1, PS1940P-4X1, PS1940P-5X1, PS1940P-AX1, PS1940P-9X1,PS1940Q-1X1, PS1940Q-2X1, PS1940Q-3X1, PS1940Q-4X1, PS1940Q-5X1, PS1940Q-9X1, PD1940F-1X1, PD1940F-2X1, PD1940F-3X1, PD1940F-4X1, PD1940F-5X1, PD1940F-AX1, PD1940F-9X1,
PS1940P-1S1T,PS1940P-4S1T,PS1940P-9S1J,PS1940Q-1S1T, PS1940Q-4S1T, PS1940Q-9S1J,PD1940F-1S1T,PD1940F-2S1T,PD1940F-4S1T,PD1940F-9S1J,PD1940H-1S1T,PD1940H-2S1T,PD1940H-9S1J,PD1940H-4S1T,PD1940H-1X1,PD1940H-2X1,PD1940H-3X1,PD1940H-4X1,PD1940H-5X1,PD1940H-AX1, PD1940H-9X1, PS1940P-1D1T, PS1940P-1D2T, PS1940P-2D4T,
DQ-PS211-1P1X5,DQ-PS211-1Q1X5,DQ-PX211-G1H1X5,PDQ-P211-1F1X5,DQ-PX211-J1D1X5,DQ-PS211-1P1XA,DQ-PS211-1Q1XA,DQ-PX211-G1H1XA,PDQ-P211-1F1XA,DQ-PX211-J1D1XA,DQ-PS211-1P1X9,DQ-PS211-1Q1X9,DQ-PX211-G1H1X9,PDQ-P211-1F1X9,DQ-PX211-J1D1X9,DQ-PS211-1P1X1,DQ-PS211-1Q1X1,DQ-PX211-G1H1X1,PDQ-P211-1F1X1,DQ-PS211-1DQ-P2X1,DQ-PS211-1Q2X1,DQ-PS211-1P1X2,DQ-PS211-1Q1X2,DQ-PX211-G1H1X2,PDQ-P211-1F1X2,DQ-PS211-1P1K5,DQ-PS211-1Q1K5,DQ-PX211-G1H1K5,PDQ-P211-1F1K5,DQ-PS211-1P1KA,DQ-PS211-1Q1KA,DQ-PX211-G1H1KA,PDQ-P211-1F1KA,DQ-PS211-1P1K9,DQ-PS211-1Q1K9,DQ-PX211-G1H1K9,PDQ-P211-1F1K9,DQ-PS211-1P1K1,DQ-PS211-1Q1K1,DQ-PX211-G1H1K1,PDQ-P211-1F1K1,DQ-PS211-1P1K2,DQ-PS211-1Q1K2,DQ-PX211-G1H1K2,PDQ-P211-1F1K2,DQ-PS211-1P1D5, DQ-PS211-1P1D9, DQ-PS211-1P1D2, DQ-PS211-1P4D2,DQ-KDY-1P1X5,DQ-KDY-1Q1X5,DQ-KDY-G1H1X5,DQ-KDY-1F1X5,DQ-KDY-J1D1X5,DQ-KDY-1P1XA,DQ-KDY-1Q1XA,DQ-KDY-G1H1XA,DQ-KDY-1F1XA,DQ-KDY-J1D1XA,DQ-KDY-1P1X9,DQ-KDY-1Q1X9,DQ-KDY-G1H1X9,DQ-KDY-1F1X9,DQ-KDY-J1D1X9,DQ-KDY-1P1X1,DQ-KDY-1Q1X1,DQ-KDY-G1H1X1,DQ-KDY-1F1X1,DQ-KDY-1DQ-P2X1,DQ-KDY-1Q2X1,DQ-KDY-1P1X2,DQ-KDY-1Q1X2,DQ-KDY-G1H1X2,DQ-KDY-1F1X2,
DQ-TR204P-1X1，DQ-TR204Q-1X1，DQ-TR204F-1X1，DQ-TR204H-1X1，DQ-TR204P-2X1，DQ-TR204Q-2X1，DQ-TR204F-2X1，DQ-TR204H-2X1，DQ-TR204F-AX1，DQ-TR204H-AX1，PS204P-1X1，PS204Q-1X1，DQ-PD204F-1X1，DQ-PD204H-1X1，PS204P-2X1，PS204Q-2X1，DQ-PD204F-2X1，DQ-PD204H-2X1，
DQ-JD204F-AX1，DQ-JD204H-AX1，
DQ-SD42-P, DQ-SD42-Q, DQ-SD42-PF, DQ-SD42-F, DQ-SD96-P, DQ-SD96-Q, DQ-SD96-PF, DQ-SD96-F, DQ-SD80-P, DQ-SD80-Q, DQ-SD80-PF, DQ-SD80-F, DQ-SD72-P, DQ-SD72-Q, DQ-SD72-PF, DQ-SD72-F,
DQ-ZRY4P-1X1, DQ-ZRY4Q-1X1, DQ-ZRY4H-1X1, DQ-ZRY4F-1X1,
DQ-ZRY4P-2X1, DQ-ZRY4Q-2X1, DQ-ZRY4H-2X1, DQ-ZRY4F-2X1,
DQ-ZRY4P-9X1, DQ-ZRY4Q-9X1, DQ-ZRY4H-9X1, DQ-ZRY4F-9X1,
DQ-PMAC600A-P, DQ-PMAC600A-P-A, DQ-PMAC600A-P-C, DQ-PMAC600A-P-AC, DQ-PMAC600A-P-RC, DQ-PMAC600A-F, DQ-PMAC600A-F-A, DQ-PMAC600A-F-AC, DQ-PMAC600A-W, DQ-PMAC600A-W-A, DQ-PMAC600A-W-C, DQ-PMAC600A-W-AC, DQ-PMAC600A-W-RC, DQ-PMAC600A-Z, DQ-PMAC600A-Z-A, DQ-PMAC600A-Z-C, DQ-PMAC600A-Z-AC, DQ-PMAC600A-Z-RC, DQ-PMAC600B-K, DQ-PMAC600B-P, DQ-PMAC600B-P-C, DQ-PMAC600B-P-R, DQ-PMAC600B-P-AC, DQ-PMAC600B-P-RC, DQ-PMAC600B-Q, DQ-PMAC600B-Q-A, DQ-PMAC600B-Q-C, DQ-PMAC600B-Q-R, DQ-PMAC600B-Q-RC, DQ-PMAC600B-Q-AC, DQ-PMAC600B-F, DQ-PMAC600B-F-A, DQ-PMAC600B-F-AC, DQ-PMAC600B-W, DQ-PMAC600B-W-A, DQ-PMAC600B-W-C, DQ-PMAC600B-W-R, DQ-PMAC600B-W-AC, DQ-PMAC600B-W-RC, DQ-PMAC600B-Z, DQ-PMAC600B-Z-A, DQ-PMAC600B-Z-C, DQ-PMAC600B-Z-R, DQ-PMAC600B-Z-AC, DQ-PMAC600B-Z-RC, DQ-PMAC600B-Z-SC, DQ-PMAC600BH, DQ-PMAC600BH-A, DQ-PMAC600BH-C, DQ-PMAC600BH-AC,
