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AEMC 403 True RMS Clamp-Meter, 1,000A AC, 2,000A DC, Conductors to 48mm, Voltage, Frequency, and Resistance Measurement
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AEMC 403 True RMS Clamp-Meter, 1,000A AC, 2,000A Features
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Digital clamp-meter measures AC to 1,000A, DC to 2,000A, AC and DC voltage to 1,000V, frequency to 20kHz, and resistance to 100 kilohms
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True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform
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Clamp with 48mm (1.89 inches) jaw opening measures current without touching or interrupting the circuit
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K-type thermocouple probe measures temperatures from -60 to +1,000 degrees C (-76 to +1,832 degrees F)
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Meets IEC safety standard 61010, and is rated for CAT IV installations to 1,000V
About AEMC 403 True RMS Clamp-Meter, 1,000A AC, 2,000A
The AEMC 403 digital clamp-meter with temperature probe is a true RMS sensing, auto-ranging multimeter for measuring current, voltage, frequency, and resistance in electrical testing applications. It has a clamp that measures AC (alternating current) to 1,000A (amperes) and DC (direct current) to 2,000A. 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 DC voltage to 1,000V, voltage frequency to 20kHz (kilohertz), and resistance to 100kΩ (kilohms). The meter comes with a K-type thermocouple probe that measures temperatures from -60 to +1,000 degrees C (-76 to +1,832 degrees F). 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. Its relative function allows a measurement to be set as a reference value and displays subsequent measurements as a positive or negative deviation from that value. 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. 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 adapter function allows the meter to accept inputs from sensors, transducers, and other devices with an AC or DC millivolt output and displays the measurements from those devices. The unit operates on four 1.5V AA 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 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 up 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 soft carrying case. Specifications Maximum AC (alternating current) input1,000AMaximum DC (direct current) input2,000AMaximum AC voltage input1,000VMaximum DC voltage input1,000VMaximum frequency detected2,000Hz for current; 20kHz for voltageMaximum resistance detected100 kilohmsTemperature range detected-60 to +1,000 degrees C (-76 to +1,832 degrees F)Installation 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 benchtop models, clamp-meters diagnose problems in electrical equipment, wi
