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SEW-Taiwan
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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 ...
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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) ...
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Non-Contact H.V. Detector
● 2 ranges for selection : LOW 50V~1.5kV HIGH 1.5kV~132kV ● There is no power consumption in off mode : 0uA● Nice mechanical slide switch for function selection : HIGH / OFF / LOW ● The power consumption in low voltage detection mode : Less than 20mA● The power consumption in high voltage detection mode : Less than 20mA● Bright LED and audible alarm sound when voltage is present.● Lightweight, robust and compact.● Efficient and easy to use● Users have to use the Hot Stick when test high voltages between 1.5kV~132kV.● SEW provides nice optional accessories of Hot Sticks HS-175 and HS-120 for high voltage detection.● Optional accessories : HS-175 Telescopic hot stick (triangle-type) HS-120 Hot stick
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Analogue (1kV below) Insulation Testers
FEATURES ● High quality Taut Band movement.● Three insulation test voltages(DC) : 250V, 500V, 1000V.● Two continuity test on "low ohms" : 3Ω & 500Ω.● Compact and lightweight.● AC voltmeter with linear scale up to 600 Vac.● 200mA continuity short circuit current.● 1mA test current on insulation test at nominal voltage.● Automatic discharge of capacitive and inductive circuit with charge stored in the circuit under test.● Live warning and display or external voltage presence.● Fuse, air gap, crowbar and overload protected.● On line battery monitoring shows if battery is ok.● Manual zero ohm adjustment.● Low battery consumption.● Mirror scale.● Push and turn locking switch for continuous and hand free testing.● Designed for meet international standards.● Supplied with high quality test leads.● BS 16 edition. SPECIFICATIONS Insulation Resistance Test voltage (DC V) 250V / 500V / 1000V Output voltage on open circuit Rated test voltage +10% Measuring ranges ...
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4 Wire Earth Resistance Testers
● 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 Voltage ±2%rdg±3dgt Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Temperature & humidity Operating: 0°C~40°C ≤80% R.H. Storage: -10°C~50°C ≤80% R.H. Dimensions 205(L) x 90(W) x 55(D)mm Weight (battery included) Approx. 380g Power source 1.5V (AA) x 6 Safety standards EN 61010-1 CAT IV 200V EN 61326-1 EN 61557-1 EN 61557-5
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H.V. Proximity Detector
● 8 voltage settings: 240Vac, 2kV, 6kV, 11kV, 22kV, 33kV, 132kV, and 275kV.● High bright LED visual indication.● Sound indication.● Easy-to-prove method.● Self-test selection.● Use 3 × 1.5V “C” batteries.● High impact nylon casing.● Non-contact work by proximity.● Compatible with most link sticks.● Lightweight, robust, & compact.● Suitable for indoor and outdoor use.● Detects low voltage on any systems.● Easy access to batteries.● No special parts needed.● Meets EN 61326-1 EN 55011 EN 61000-4-2 EN 61000-4-3● United States Design Patent : US D474, 705 S● Special ranges are available upon request.
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Digital (1kV below) Insulation Testers
FEATURES ● Timer for test function (count 3-5 minutes).● Three insulation test voltages(DC V) : 250V, 500V, 1000V.● 3½ digital LCD (2000 counts).● 68 × 34mm (2.677” × 1.338”) large LCD display.● Automatic circuit discharge.● Test insulation at rated voltage into a 1mA load.● 200mA short circuit testing current for continuity.● External voltage warning indication.● Fuse protection.● Data hold function● Auto power off function.● BS 16 edition. SPECIFICATIONS Insulation Resistance Test voltage (DC V) 250V / 500V / 1000V Measuring ranges (Auto ranging) 0-20MΩ / 0-200MΩ / 0-2000MΩ Accuracy 0-20MΩ : ±(1.5%rdg+5dgt) 0-200MΩ : ±(2.5%rdg+3dgt) 0-2000MΩ : ±(5%rdg+5dgt) Output voltage on open circuit Rated test Voltage +10% Output current 1mA DC Power consumption 250mA Continuity Measuring range 0-20Ω / 0-200Ω / 0-2000Ω Accuracy ±(1.5%rdg+3dgt) Resolution 0.01Ω / 0.1Ω / 1Ω Buzzer sound below under 10Ω Open circuit terminal voltage 4V DC...
Category:
H.V. Detectors
● Telescopic, compact, lightweight.● High voltage detection.● Low voltage detection.● Self test button feature.● Easy-to-recognize indication.● Waterproof.