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Products
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Sew 288 SVD | ● Warning Proximity of AC Voltage (240V~50kV).● Waterproof.● Easy-to-wear on body or belt.● Ultra high bright LED indication.● High pitch sound indication.● Test & diagnostic circuitry.● Friendly priority alert reporting.● Circuit test function.● High impact type casing.● Different alerting sound & light.● Can be adapted to Sunrise(stick).● Meets EN 61326-1● Dimension : 114(L) × 67(W) × 27(D) mm● Weight : Approx. 152g (battery included)● Power supply :... | Personal Safety Voltage Detectors |
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Sew 286 SVD | ● Compact, easy-to-wear and convenient to use.● Waterproof.● Indoor and outdoor use.● Equipped with self-testing functions.● Sound and flashlight warning of different frequencies varied positively with sensed voltages.● Able to sense all kinds of AC high voltage system.● Low power consumption. | Personal Safety Voltage Detectors |
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Sew PD-28 | ● Measures both AC and DC voltages with digital multitester.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. | H.V. Probes |
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Sew PD-20S | ● Measures both AC and DC voltages with oscilloscopes.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. | H.V. Probes |
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Sew PD-20 | ● Measures both AC and DC voltages with digital multitester.● Are typically used to measure high voltages in TV sets, power supplies and instruments in laboratories.● Lightweight and rugged.● 2 available contact tips: round needle tip for normal use and a special flat spring-type for CRT anode. | H.V. Probes |
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Sew 4234 ER | ● Microprocesser-controlled.● Earth testing at 2Ω, 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test.● 3-Wire test.● 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● Robust, compact and easy-to-carry. SPECIFICATIONS Measuring ranges Earth Resistance 0-2Ω / 0-20Ω / 0-200Ω /... | 4 Wire Earth Resistance Testers |
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Sew 2734 ER | ● Microprocesser-controlled with advanced safety features.● 4-wire testing only.● Automatic C spike check.● Auto power-off.● Auto data hold.● Large LCD (2000 counts).● Protective terminal cover. SPECIFICATIONS Measuring ranges Earth Resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth Voltage 0-200V AC Accuracy Earth Resistance ±2%rdg±3dgt Earth... | 4 Wire Earth Resistance Testers |
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Sew 4236 ER | ● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m.● Optical USB to RS-232 data... | 4 Wire Earth Resistance & Resistivity Testers |
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Sew 4235 ER | ● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m. ... | 4 Wire Earth Resistance & Resistivity Testers |
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Sew 4105 ER | ● 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.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration... | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 2705 ER | ● 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... | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 2105 ER | ● 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.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration... | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 1805 ER | ● 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... | 3 Wire (Analogue) Earth Resistance Testers |
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Sew 1105 ER | ● 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.● In addition to facilitating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.● Battery operated.● Battery life indicator. ● Calibration... | 3 Wire (Analogue) Earth Resistance Testers |
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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 |
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Sew 4120 ER | 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... | 3 Wire (Digital) Earth Resistance Testers |
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Sew 2720 ER | 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... | 3 Wire (Digital) Earth Resistance Testers |
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Sew 2120 ER | 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.● 0Ω adjustment. ● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test... | 3 Wire (Digital) Earth Resistance Testers |
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Sew 1820 ER | 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.● Low battery indication.● Calibration performed with supplied test... | 3 Wire (Digital) Earth Resistance Testers |
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Sew 1120 ER | 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.● 0Ω adjustment. ● Battery operated.● Data hold function.● Low battery indication.● Calibration performed with supplied test... | 3 Wire (Digital) Earth Resistance Testers |
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