You have 0 items in your cart.
SEW-Taiwan
SEW New
Sub Categories
Category:
Electrical Network Analyzers
FEATURES ● Microprocessor-controlled.● Built-in earth tester.● Built-in loop/psc tester. 0.03-2000Ω (software ctrl).● Built-in voltmeter.● Built-in wiring checker.● One push button smart control.● Display L-N and L-E voltages. 50 to 280Vac (sine).● Display line path impedance. 0.01-2000Ω (software ctrl).● Display earth path impedance. 0.01-2000Ω (software ctrl).● Display neutral path impedance. 0.01-2000Ω (software ctrl).● Display psc line to neutral. 6kA@230Vac> supply.● Display psc line to earth. 6kA@230Vac> supply.● Re-scroll through previous results.● Bat. ok/low battery indicator.● Auto-off function.● Color coded test leads.● Rugged Case.● Ultra low power consumption. SPECIFICATIONS Loop / Earth / Wires 0.03-2000Ω (auto-ranging) Prospective short circuit 0~6kA at 230Vac Operating voltage 50V~275Vac (50Hz) Best performance at rated voltage 230Vac ± 20V Max.10A Accuracy of voltage ±1%(210~250V) ±3% otherwise Accuracy of loops / earth ±2% (0.05~50Ω) ...
FEATURES ● 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.● The leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● Calibration performed with supplied test leads. SPECIFICATIONS Measuring ranges Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz) Accuracy Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt) Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Measuring system Earth Resistance by constant current inverter 820Hz approx. 2mA Display 3½ digit (2000 counts) Open circuit indication LED will be unlit Low battery indication “ “symbol appears on the display Data hold ...
Category:
H.V. Proving Unit (DCV)
Designed to proof: -Phasing sticks. -High voltage detectors (contact type only, not to be used with non contact proximity detectors.) -High voltage and voltage testers.● Battery operated.● Led indicates when power is “ON”.● Small and hand-held.● Quick connection with normal 4mm test leads.
Category:
Digital ELCB Testers
FEATURES ● Microprocessor-controlled.● 2 Lines × 16 characters LCD.● Very low consumption.● 50Hz and 60Hz operation.● Menu-driven.● Accurate digital readout of disconnection time.● Automatic data hold function.● Over temperature protection.● Over voltage protection.● Fuse protection.● Zero crossing circuitry permit testing at 0° or 180°.● Disconnection phase polarity shown on LCD display.● Auto off and off override.● Polarity trip indicator (positive or negative phase)● Wiring polarity indicator.● Measure voltage between Line and Earth before testing.● Frequency measurement indication. SPECIFICATIONS Operating voltage (L-E) (50Hz or 60 Hz) Version A : 240 Vac Version B : 230 Vac Version C : 220 Vac Version D : 110 Vac Current settings 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA, 100mA, 150mA, 250mA, 300mA, 500mA. Current selection Rotary switch selector Phase angle setting 0° and 180° selectable Wiring correctness indication Yes (LEDs) Trip indicator Yes (LCD) Phase polarity trip indicator Yes...
Category:
Audio Impedance Testers
FEATURES ● True measurement of speaker systems actual impedance at 1kHz.● Three test ranges (20Ω / 200Ω / 2000Ω) allow testing of home theater and commercial sound systems.● Measures transformer impedances.● Battery operated.● Low battery indication.● Data hold function.● Timer function for continuous hands free operation.● The timer can last about 3-5 minutes when users press.● TEST ON/OFF button. SPECIFICATIONS Measuring ranges 0-20Ω / 0-200Ω / 0-2000Ω Test frequency 1kHz Accuracy 20Ω : ± 2%rdg±2dgt or ± 0.1Ω, which is greater 200Ω / 2000Ω : ± 2%rdg±2dgt Low battery indiction “ “ Symbol appears on the display Data hold indiction “ “ Symbol appears on the display Display LCD 3½ digit (2000 counts) Dimensions 205(L) × 90(W) × 55(D)mm Weight (battery included) Approx. 530g Power source 1.5V (AA) × 6 Safety standard EN 61010-1 CAT III 300V EN 61326-1
● High quality Taut Band movement.● 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.● Test leads are supplied as standard accessories for simplified two-wire measuring system.● Battery operated.● Battery check function. ● Calibration performed with supplied test leads. SPECIFICATIONS Measuring ranges Earth resistance 0-10Ω / 0-100Ω / 0-1000Ω Earth voltage 0-30 Vac (40-500Hz) Accuracy Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale Measuring system Earth resistance by constant current inverter 820 Hz, 2mA approx Open circuit indication LED will be unlit Dimensions 205(L) × 90(W) × 55(D)mm Weight (battery included) Approx. 514g Power source 1.5V (AA) × 6 Safety standards EN 61010-1 CAT III 30V EN 61326-1
Category:
AC/DC Clamp Meters
FEATURES ● 4000 counts.● Voltage measurement, current measurement, resistor measurement, frequency counter, capacitor measurement.● Bargraph indication.● Range change function.● Data hold function freezes the reading.● REL function.● Peak function.● VAHz mode measures frequency in ACV and ACA mode.● Diode measurement.● Max / Min function.● Continuity check.● Low battery indication.● Auto Power Off (APO) function.● Safety design throughout with no exposed metal parts, shielded banana plugs and recessed input terminals. SPECIFICATIONS DC Voltage Ranges Resolution Accuracy 400mV 0.1mV ±(1.0%rdg+3dgt) 4V 1mV 40V 10mV 400V 100mV 600V 1V ․Overload protection : 650V DC AC Voltage Ranges Resolution Accuracy 400mV 0.1mV ±(0.5%rdg+3dgt) 4V 1mV ±(1.5%rdg+3dgt) 40V 10mV 400V ...
Category:
Light Meter
FEATURES ● Wide range for measurements up 40000 lux and 4000 fc.● 0.01 lux and 0.001 fc resolution for accurate low light level measurements.● Light sensor cover is included for preserving sensor life.● Auto off function.● Data hold and peak hold function.● Low battery indication.● Over range indication.● Auto-ranged.● Manual-ranged.● Calibration mode is provided.● 9V battery system.● Selection key for lux and fc.● The spectral sensitivity close to CIE photopic curve.● Ideal tool for workplace, clean-room and computer room light testing.● Video, photographic, office, classroom, and architectural uses. SPECIFICATIONS Measuring ranges 39.99 / 399.9 / 3999 / 39990 lux 3.999 / 39.99 / 399.9 / 3999fc Resolution 0.01 lux - 10 lux 0.001 fc - 1 fc Accuracy ±(3%rdg+5dgt) Calibrated to standard incandescent lamp, 2856°K. Display 4000 count LCD Photo sensor Silicon photodiode Operating / storage conditions 0°C - 40°C < 80 % R.H. -10°C - 50°C < 80 % R.H. Dimensions 194(L) x...