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st-30rct
Sew ST-30RCT Primary Current Rating (Amp) : 1600~4000 Current Transformer
st-30ct
Sew ST-30CT 30/5A - 150/5A ● 2-3V A ● Class 1 ● Insulation 600V Current Transformer
st-2600
Sew ST-2600 FEATURES ● Full auto range for V.A and Ω functions.              ● Data hold function freezes the reading in dimly lit or    hard to reach places.        ● Low battery indication.        ● Built-in buzzer for continuity test.● Safety design throughout with no exposed metal     parts. Shielded banana... AC Clamp Meters
st-2001-dcv
Sew ST-2001 DCV FEATURES ● Big-size LCD (112 x 59mm)● Back light function.● Analog scale with Bar-graph for viewing. (100 bars)● 10000 counts (high resolution).● DCV Ranges: 99.99mV~999.9V. ● 5 manual ranges controlled by rotary switch.● Data Hold function● Low battery indication● 9V power supply● Best resolution of 0.01mV (10uV)● Precision meter for factory maintenance, field servicing and   educational purposes.● Easy to carry handle that doubles as a... Digital Portable Panel Meters
st-2001-acv
Sew ST-2001 ACV FEATURES ● Big-size LCD (112 x 59mm)● Back light function.● Analog scale with Bar-graph for viewing. (100 bars)● 10000 counts (high resolution).● ACV Ranges: 99.99mV~800.0V.● 5 manual ranges controlled by rotary switch.● Data Hold function● Low battery indication● 9V power supply● Best resolution of 0.01mV (10uV)● Precision meter for factory maintenance, field servicing and   educational purposes.● Easy to carry handle that doubles as a convenient... Digital Portable Panel Meters
st-2000-w
Sew ST-2000 W Principle : Electrodynamometer type ● Accuracy : ±0.5% of full scale ● Scale Length : Approx. 135mm(5-3/8”) ● Scale Divisions : 120 ● Frequency Ranges : AC 25 to 1000Hz (COSO=1.0) (suitable for DC)                                      AC 25 to 500Hz (COSO=0.2) Portable Instrument
st-2000-v
Sew ST-2000 V Principle : Moving ● Accuracy : ± 0.5% of F.S. ● Scale Length : Approx. 135mm(5-3/8”) ● Weight : Approx. 1.7kg ● Dimension :196(L) x 170(W) x 87(D)mm ● Case Material : Bakelite with glass window Portable Instrument
st-2000-hz
Sew ST-2000 Hz Principle : Frequency sensing transducer ● Accuracy : ± 0.5% of full scale value on 45 to 65 Hz range                       ± 1.0% of full scale value on 20 to 100Hz range                       ± 0.5% of full scale value on 100 to 500Hz range ● Scale Length : Approx.... Portable Instrument
st-2000-cos
Sew ST-2000 Cos Principle : Phase angle sensing transducer ● Rated Accuracy : ±3° phase angle ● Scale :    Power Factor：Lead 0 – 0.3 – 1.0 – 0.3 – 0 Lag    Power Angle： Lead 90° – 0° – 90° Lag ● Effective Power Factor Measuring Range :    Lead 0.5 – 1.0 – 0.5 Lag ● Scale Length : Approx. 135mm(5-3/8”) ● Dimension :Bakelite with glass window ● Frequency Influence : Within ±1.5° phase angle at 45 to 65Hz Portable Instrument
st-2000-a
Sew ST-2000 A Principle : Moving ● Accuracy : ± 0.5% of F.S. ● Scale Length : Approx. 135mm(5-3/8”) ● Weight : Approx. 1.7kg ● Dimension :196(L) x 170(W) x 87(D)mm ● Case Material : Bakelite with glass window Portable Instrument
st-160
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
st-1520
Sew ST-1520 ● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth   resistance without tripping earth leakage current   breakers in the circuit under test.● Auto power off function.● The timer operates automatically for about three to five minutes   when the "PUSH BUTTON SWITCH" and "TIMER ON BUTTON"   are pressed together. This will keep test "ON" for the duration of... 3 Wire (Digital) Earth Resistance Testers
st-150t
Sew ST-150T M Series all up to 15A ● Case and Composition：Acrylic resin front and ABS resin case.                                             Four studs mounting. ● Accuracy：Moving coil type : Class 2.0             ... M Series
st-1505
Sew ST-1505 ● High quality Taut Band movement.● Capable of measuring earth resistance and earth voltage. ● The timer operates automatically for about three to    five minutes when the “PUSH BUTTON SWITCH”    and “TIMER ON BUTTON” are pressed together.  ● This will keep test “ON” for the duration of the timer.● Battery check function. ● Calibration performed with supplied test leads.    ... 3 Wire (Analogue) Earth Resistance Testers
st-1504
Sew ST-1504 FEATURES ● High quality Taut Band movement.● Measures insulation(MΩ), continuity(Ω) and AC voltage.● Instant operation is possible with a push button, convenient timer is    provided with automatic power off after three to five minutes to save    the battery power.● LED (red) indication when testing insulation and continuity.● Use of a high efficiency and accurate DC-DC converter.● Most suitable for insulation resistance measurement of... Analogue (1kV below) Insulation Testers
st-1503
Sew ST-1503 FEATURES ● High quality Taut Band movement.● Measures insulation(MΩ), continuity(Ω) and AC voltage.● Instant operation is possible with a push button, convenient timer is    provided with automatic power off after three to five minutes to save    the battery power.● LED (red) indication when testing insulation and continuity.● Use of a high efficiency and accurate DC-DC converter.● Most suitable for insulation resistance measurement of... Analogue (1kV below) Insulation Testers
st-12rct
Sew ST-12RCT Primary Current Rating (Amp) : 800~2000 Current Transformer
st-125
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
st-118t
Sew ST-118T M Series all up to 15A ● Case and Composition：Acrylic resin front and ABS resin case.                                             Four studs mounting. ● Accuracy：Moving coil type : Class 2.0... M Series
st-118
Sew ST-118 M Series all up to 15A ● Case and Composition：Acrylic resin front and ABS resin case.                                             Four studs mounting. ● Accuracy：Moving coil type : Class 2.0... M Series