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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 case. ● Color:white scale plate. ● Pointer:Tube or knife-type, color in black or red. 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                      Rectifier : Class 2.0 ● Color:Black case. ● Color:white scale plate. ● Pointer:Tube or knife-type, color in black or red. 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. ● Color:white scale plate.(yellow scale plate only ST-645) ● Pointer:Tube or knife-type, color in black or red. 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                      Rectifier class 2.0 ● Color:Black case and white scale plate. ● Pointer:Sword type color in black. F Series