AEMC 405 True RMS Power Clamp-Meter, 1,000A AC, 1,500A DC, Conductors to 48mm, Voltage, Frequency, Resistance, and Power Measurement

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AEMC 405 True RMS Power Clamp-Meter, 1,000A Features

• Digital clamp-meter measures AC to 1,000A, DC to 1,500A, AC and DC voltage to 1,000V, frequency to 20kHz, resistance to 100 kilohms, and power to 1,500 kilowatts

• True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform

• Clamp with 48mm (1.89 inches) jaw opening measures current without touching or interrupting the circuit

• Meter detects phase rotation, measures total harmonic distortion (THD), and calculates power factor to determine the power efficiency of an installation

• Meets IEC safety standard 61010, and is rated for CAT IV installations to 1,000V

About AEMC 405 True RMS Power Clamp-Meter, 1,000A

The AEMC 405 digital clamp-meter is a true RMS sensing, auto-ranging multimeter for measuring current, voltage, frequency, resistance, and power in electrical testing applications. It has a clamp that measures AC (alternating current) to 1,000A (amperes) and DC (direct current) to 1,500A. The clamp has two jaws that can close around an electrical conductor up to 48mm (1.89 inches) in diameter to measure current without touching or interrupting the circuit. A set of test leads, which are silicone-insulated for flexibility and resistance to heat and cold, is included for measuring AC and voltage to 1,000(V, voltage frequency to 20kHz (kilohertz), and resistance to 100kΩ (kilohms). Frequency can also be measured with the clamp. For power monitoring and analysis, the meter detects phase rotation, measures THD (total harmonic distortion) which can degrade the quality of the power being supplied by the system, calculates power factor to determine how efficiently an installation uses power, and measures single- and three phase real power to 1,500kW (kilowatts), reactive power to 1,500 kilovar (kilovolt-ampere reactive), and apparent power to 1,500kVA (kilovolt-ampere). The meter has a rotary switch to select the property to measure, and a 10,000-count LCD with a backlight for visibility in low light that turns off automatically after two minutes. The inrush current function, with a selectable sampling time of 1ms (millisecond) or 100ms, analyzes surge current at startup and due to load increases in installations that are up and running. To maintain accurate measurements, the DC amp zero function removes residual readings caused by magnetization from high amplitude current measurements. The maximum/minimum function tracks the highest and lowest readings for a property for as long as the function is engaged. To aid documentation of readings and capture readings in tight spaces, the data hold function keeps the most recent reading on the display after disconnecting from the circuit. A continuity buzzer confirms that the circuit conducts electricity, and a diode check detects whether a circuit's diodes are working properly. The unit operates on four 1.5V AAA batteries, and turns off automatically after 10 minutes of non-use to conserve battery life. It has a low-battery indicator that signals when the battery needs to be replaced. This true RMS (root mean square) sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of the waveform. It is auto-ranging, so it automatically selects the appropriate operating range for the property being measured. Accuracy and resolution specifications vary according to the range being measured. The meter meets IEC (International Electrotechnical Commission) safety standard 61010, and is rated for CAT (category) IV installations to 1,000V, which covers equipment at the origin of the installation, such as electricity meters and primary over-current protection equipment. It has CE (European Conformity) marking and is IP (Ingress Protection) 54 rated against dust and water spray. The unit comes with a hard carrying case. SpecificationsMaximum AC (alternating current) input1,000AMaximum DC (direct current) input1,500AMaximum AC voltage input1,000VMaximum DC voltage input1,000VMaximum frequency detected2,000Hz for current; 20kHz for voltageMaximum resistance detected100 kΩInstallation ratingCAT IV, 1,000VStandards metIEC safety standard 61010; CE marking; IP 54Power supply (4) 1.5V AA batteries Weight600g/21.2oz.Dimensions (H x W x D)272 x 92 x 41mm/10.7 x 3.62 x 1.61 inches H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. Clamp-meters, also called clamp-on meters, have two jaws that fit around a conductor to measure electrical current without cutting through wires, or touching or interrupting the electrical circuit. Available in handheld or benc