Name	Description	Category
Sew ST-100	DC up to 50A ● AC up to 50A ● Hz Meter : Measuring Ranges : 45~55 Hz, 45~65 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 ● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5...	S Series
Sew ST-680	DC up to 30A ● Hz Meter : Measuring Ranges : 45~55 Hz, 45~65 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 ● Case and Composition: Acrylic resin front and Bakelite case(Glass window, ABS resin frame, Bakelite case). Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 ...	S Series
Sew ST-670	DC up to 50A ● AC up to 30A ● Hz Meter : Measuring Ranges : 45~55 Hz, 45~65 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 ● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5...	S Series
Sew ST-670R	DC up to 10A ● Case and Composition: Acrylic resin front and Bakelite case Four studs mounting(Two stud for ST-670R) ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5 Rectifier : Class 2.0 ● Color：Black...	S Series
Sew ST-670B	DC up to 50A ● AC up to 30A ● Hz Meter : Measuring Ranges : 45~55 Hz, 45~65 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 ● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5...	S Series
Sew ST-645	DC up to 10A ● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5 Rectifier : Class 2.0 ● Color：Black case. ●...	S Series
Sew ST-45U	Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy :Class 2.0 ● Color：Black case and white scale plate. ● Pointer：Tube type color in red.	U Series & Thin Edgewise
Sew ST-38U	Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting. ● Accuracy :Class 2.0 ● Color：Black case and white scale plate. ● Pointer：Tube type color in red.	U Series & Thin Edgewise
Sew ST-90E	Movement : Taut Band suspension type. ● Accuracy : ± 2.5% ● Mounting : Horizontal or Vertical ● Pointer : Tube (Red) ● Full Scale Deflection : 60˚ ● Measuring Range : F.S. 1mA DC. Customer’s specs are available	U Series & Thin Edgewise
Sew ST-58E	Movement : Taut Band suspension type. ● Accuracy : ± 2.5% ● Mounting : Horizontal or Vertical ● Pointer : Tube (Red) ● Full Scale Deflection : 60˚ ● Measuring Range : F.S. 1mA DC. Customer’s specs are available	U Series & Thin Edgewise
Sew ST-90U	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 Consumption : Max. 15mA Test Voltage : 2kV. 50-60 Hz ● Case and Composition: Acrylic resin front and Bakelite case. Three studs mounting. ● Accuracy : AC class 2.0 DC class 2.0...	F Series
Sew ST-70U (Three studs mounting)	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 Consumption : Max. 15mA Test Voltage : 2kV. 50-60 Hz ● Case and Composition: Acrylic resin front and Bakelite case. Three studs mounting. ● Accuracy : AC class 2.0 DC class 2.0...	F Series
Sew ST-70U (Four studs mounting)	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 Consumption : Max. 15mA Test Voltage : 2kV. 50-60 Hz ● Case and Composition: Acrylic resin front and Bakelite case. Three studs mounting. ● Accuracy : AC class 2.0 DC class 2.0...	F Series
Sew ST-125	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : ± 2.0% full scale ● Case and Composition: ABS case and PC cover Four studs mounting ● Accuracy : ± 2.0% full scale value ● Color：Black case and white scale plate. ● Pointer：Knife-type, color in black.	T Series
Sew ST-95	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : ± 2.0% full scale ● Case and Composition: ABS case and PC cover Four studs mounting ● Accuracy : ± 2.0% full scale value ● Color：Black case and white scale plate. ● Pointer：Knife-type, color in black.	T Series
Sew ST-75	Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : ± 2.0% full scale ● Case and Composition: ABS case and PC cover Four studs mounting ● Accuracy : ± 2.0% full scale value ● Color：Black case and white scale plate. ● Pointer：Knife-type, color in black.	T Series
Sew ST-160	Measuring Range : DC uA-200, 500 DC A -1, 5, 10 DC V -5, 10,15, 20, 30, 50, 100, 150, 300, 500 ● Accuracy : Class 2.0 ● Case and Composition: Acrylic Resin front and ABS Resin case Bezel mounting ● Color：Black case, yellow scale plate. ● Pointer：Tube type, black or red Illumination lamp or LED optional Custom ranges depend upon warrant quantity Suitable for VU meters of Amplifier...	W Series
Sew ST-475	Measuring Range : DC uA-200, 500 DC mA -1, 5, 10,15, 20, 30, 50, 100, 150, 300, 500 DC A -1, 5, 10 DC V -5, 10,15, 20, 30, 50, 100, 150, 300, 500 ● Accuracy : Class 2.0 ● Case and Composition: Acrylic Resin front and ABS Resin case Bezel mounting ● Color：Black case, yellow scale plate. ● Pointer：Tube type, black or red Illumination lamp or LED optional Custom ranges depend upon...	W Series
Sew ST-315	Measuring Range : DC uA-200, 500 DC A -1, 5, 10 DC V -5, 10,15, 20, 30, 50, 100, 150, 300, 500 ● Accuracy : Class 2.0 ● Case and Composition: Acrylic Resin front and ABS Resin case Bezel mounting ● Color：Black case, yellow scale plate. ● Pointer：Tube type, black or red Illumination lamp or LED optional Custom ranges depend upon warrant quantity Suitable for VU meters of...	W Series
Sew ST-100R	Case and Composition: Acrylic Resin front and ABS Resin case Bezel mounting ● Color：Moving Coil Type DC, Class 2.0 Moving Iron Type AC, Class 2.5 Rectifier Type AC, Class 2.0 ● Dimension：Black case and white scale plate. ● Pointer Shape：Tube type, color in black or red	W Series