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Sew 1812 EL | FEATURES ● Microprocessor-controlled.● 2Lines × 16 Characters LCD.● Very low consumption.● Menu-driven.● Accurate digital readout of disconnection time.● Automatic data hold function.● 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 of Negative Phase).● Wiring polarity indicator.● Measure voltage and frequency between Line and Earth before testing. SPECIFICATIONS Current settings 3mA, 5mA, 7mA, 10mA, 15mA, 20mA, 30mA, 35mA, 50mA, 100mA, 125mA, 150mA, 175mA, 250mA, 300mA, 375mA, 500mA. Current selection Rotary switch selector Phase start selection 0° and 180° Referenced to Earth Yes Over-temperature protection Yes (3 sensors) Wiring correctness indication Yes (LEDs) Trip indicator Yes (LEDs) Phase polarity trip Indicator Yes (LCD) Referenced to Earth Voltmeter (L-E) 20Vac ~ 280Vac Timer resolution 1ms (Max. Time = 2.999s) Timer... | Digital ELCB Testers |
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Sew 1811 EL | FEATURES ● Microprocessor-controlled.● 2Lines × 16 Characters LCD.● Very low consumption.● Suitable for industrial applications.● Better than 3% accuracy (current).● Menu-driven.● Accurate digital readout of disconnection time.● Accurate digital readout of disconnection sensitivity.● Data hold function.● 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 of Negative Phase). SPECIFICATIONS Current settings 0-999mAac / 50Hz Current selection Knob Phase start selection 0° and 180° Referenced to Earth Yes Over-temperature protection Yes Phase polarity trip Indicator Referenced to Earth Yes Operating voltage (L-E) 110 Vac to 450 Vac Timer resolution 1ms (Max. Time = 99.999s) Timer accuracy 1ms ±1ms Current accuracy ±1% ±1mA Current resolution 1mA Voltmeter accuracy (50Hz) 50-350 Vac = ±2%±1V 350-450 Vac = ±5%±1V Voltameter resolution ... | Digital ELCB Testers |
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Sew DEL-101 | FEATURES ● Mains wiring polarity check.● ELCB/RCD testing.● Measuring ear for line current.● Measuring ear for leakage current.● Helps calculate insulation resistance.● Helps calculate power consumption.● Helps fault finding of standing earth fault.● Fused main adapter.● Appliance testing (with the aid of a clamp meter).● Fused appliance socket.● No batteries required.● HRC fuse inside.● Fused, color-coded universal test sockets.● Universal mains IEC Lead. SPECIFICATIONS Voltage / power input Universal IEC LEAD 240V/10A Wiring polarity check Nominal Voltage 240Vac Frequency 50/60Hz Mains Voltage Tolerance ±10% Elcb / rcd tester Nominal Voltage 240Vac Frequency 50/60Hz Current Tolerance (current proportional to Line to Earth Voltage) ±10% Universal test sockets Nominal Voltage 240Vac Frequency 50/60Hz Mains Voltage Tolerance ±10% Fuse 10A Appliance tester Nominal... | Multi-purpose (OLED Display) |
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Sew 6221 EL-M | FEATURES ● High contrast OLED display.● Designed for viewing in the dark, for mining industry.● Microprocessor-controlled.● Indicates phase rotation● Indicates phase presence● TEST for disconnection sensitivity● Battery status indicator● Measures Voltage Phase to Earth● Select one of 3 Phase to test ELCB.● Color-coded test leads.● Phase presence indication from as low as 100Vac.● Fused earth leakage tester.● ELCB works 50Vac to 330Vac 50Hz / 60Hz.● Phase rotation and presence does not require battery to indicate. SPECIFICATIONS Nominal voltage for phase presence frequency range 100Vac to 450Vac 10Hz to 400Hz Rotary field direction phases frequency range 100 to 450Vac 2Hz to 400Hz Overload protection 550V (between all terminal) Over voltage protection Class III - 450V towards ground Current settings 999mAac /50Hz-60Hz Phase start selection 0º and 180º Phase polarity trip Indicator ˇ Operating voltage (L-E) referenced to earth 220Vac to 317Vac Timer resolution 1ms (Max.... | ELCB Tester (OLED Display) |
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Sew 2811 LP | FEATURES ● Microprocessor-controlled.● Displays and sound warning if external voltage present.● Displays mains voltage, scroll trough menus.● Checks wiring integrity (LEDs and display).● Single button operation.● Auto-off/auto-ranging.● Combined prospective short circuit current, PSC and LOOP tester.● Built-in carry case, test leads in separate pouch.● Loop test for L-E and L-N and PSC.● Voltage test L-N and L-E.● Enables analysis of constituent components in L-E and L-N loops giving resistance of earth, neutral wire, live wire and transformer winding.● Display can be customized for special orders. ● 60Hz available on request. SPECIFICATIONS Loop impedance range L-E, L-N 20/200/2000Ω (auto-range) Loop impedance test current 12A at 230V / 50Hz Voltage measurement L-N, L-E 80 to 250V AC/50Hz Earth wire/path return resistance 20/200/2000Ω (auto-range) Neutral wire return resistance 20/200/2000Ω (auto-range) Line wire return resistance & transformer... | Loop Testers |
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Sew 1825 LP | FEATURES ● Microprocessor-controlled.● Measures the voltage drop as if 16A was flowing between Line and Neutral.● Displays voltage without current (V at 0A).● Display voltage as if 16A flowing between Line and Neutral (V at 16A).● Loop test for L-E● PSC between L-N.● Single one smart push button operation; ON, Scroll through results and menus.● Checks wiring integrity (LEDs).● Auto off/auto ranging (software range).● Combined prospective short circuit current, loop and load tester.● Display can be customized for large orders. SPECIFICATIONS Loop impedance range L-E 0.03-2000Ω (software ctrl) Test currents in each loop 11.76A at 230V / 50Hz Voltage measurement L-N 50 to 280V AC (Sine) Load current for volt drop (L-N) 16A (Calculation) Neutral wire resistance (Not available, see 1826 NA) Line wire resistance & transformer windings (Not available, see 1826 NA) PSC current (L-N) max 6kA at 230Vac supply PSC current (L-E) max (Not available, see 1826... | Loop Testers |
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Sew 1824 LP | FEATURES ● Microprocessor-controlled.● Measures Earth Resistance without the need for poles in the ground or external measuring wires.● Earth measurement uses the real earth current path and the current generated by the electric network, without the need for any disconnection.● The Earth Resistance displayed is exactly the earth resistance that the earth current will need to go through if an earth fault occurs. (you do not need to add all the bonding points and connection paths)● Displays voltage supply at the transformer(Line to Neutral), without loading the transformer.● Single one smart push button operation; ON, Scroll through results and menus.● Checks wiring integrity (LEDs).● Auto-off / Auto-ranging (software range).● Color-coded test leads.● Combined prospective short circuit current, loop, and earth tester.● Loop test for L-E and PSC between L-N.● Voltage test L-N.● Display can be customized for large orders. ... | Loop Testers |
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Sew 4126 NA | FEATURES ● Microprocessor-controlled.● 2 Lines × 16 Characters LCD.● Auto-ranging / Auto-off.● One Push Button Operation.● Low Consumption.● Better than 3% Accuracy(0.05-50Ω).● Wiring Integrity Check(display + LEDs).● Over temperature protection and indication.● Stores previous readings.● Measures : L-E and L-N AC voltages. L-E and L-N Loop Impedance. Prospective short circuits L-E and L-N. Earth Spike, Line and Neutral Impedances. SPECIFICATIONS Loop / Earth / Wires 0.03-2000Ω (auto-ranging) Prospective short circuit 0~6kA at 230Vac ... | Electrical Network Analyzers |
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