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FEATURES ● AC Voltage Input/output range： 100~240 Vac● Frequency： 50~60Hz● Current： 10A SPECIFICATIONS Current capacity 10Aac(125V) Withstand voltage 2210Vac for 1 minute between the electric circuit and the case ACV Input/Output 100~240V 50/60Hz Dimensions 170(L) x 165(W) x 92(D)mm Weight Approx. 820g Meets EN 61010-1 CAT.Ⅲ 250V
FEATURES Amplifier Probe ● The Amplifier Probe is designed to identify and trace wires or cables within a group without damaging the insulation.● Works with any Tone Generator to identify wires.● Volume control for increased sensitivity and adjustable to suit work environment.● Recessed ON/OFF button prevents battery drain.● A phone jack is designed for headset or handset. Tone Generator ● Tone Generator is a great tool for locating and identifying cable pairs or individual conductors. ● 181 CB-G does not only serve as a tone generator, but also serves as a continuity and polarity tester. ● A tone selector switch located inside the unit for selection of the fast tone or the slow tone.● The continuity function is only applied to Line 1.● Two bi-colored LEDs for Line1 and Line2 indication of the polarities of the telephone lines. ● The unit has alligator type terminals, a modular...
FEATURES ● Taut Band movement.● Simple operation.● Wiring check.● Robust.● Can be used on 2 wires L-E (ELCB/RCCB/GFCI tester).● Can be used on 3 wires L-E-N (with wiring check).● No battery required.● Sense automatically 50 or 60 Hz.● Current injected in phase with the voltage.● Other voltage optional (110V). SPECIFICATIONS Current settings 10-50mA@230Vac> Current selection Knob Frequency of operation 50/60 Hz Sinusoidal Over-Temperature Protection NO Operating voltage (L-E) 230 Vac ±15% Meter accuracy ±1% of full scale Protection Fused (200mA 250V) Operating temperature -5°C to 45°C Storage temperature -10°C to 55°C Dimensions 170(L) × 165(W) × 92(D)mm Weight Approx. 730g Safety standard EN 50081-1 EN 50082-1
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 ...
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...
FEATURES ● Microprocessor-controlled.● 2 Lines × 16 characters LCD.● Very low consumption.● Suitable for domestic version.● Better than 3% accuracy (current).● Menu-driven.● Accurate digital readout of disconnection time.● Accurate digital readout of disconnection sensitivity.● 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 or negative phase)● Wiring polarity indicator.● Measure voltage between Line and Earth before testing.● 60Hz available. SPECIFICATIONS System voltage (50Hz / 60Hz) 550V 380V 240V Current settings 2-999mA ac Current selection Knob Phase start selection referenced to earth 0° and 180° Over-temperature protection Yes Wiring correction indication Yes Phase polarity trip indicator Yes Operating voltage (L-E) 110 Vac to 317 Vac Timer resolution 1ms (Max. Time=19.999s) Timer accuracy 1ms ±1ms ...
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 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 indication ...
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. ...