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The Extech MM570A MultiMaster True RMS High-Accuracy Multimeter features special True RMS combination AC+DC function for measurements of rectified AC (non-symmetrical) voltage & current waveforms. Filtered frequency function with adjustable trigger levels for variable speed motor drives and high voltage applications. 50,000 count (500,000 for DCV and Hz) backlit LCD display with bargraph. Max/Min recording with autoranging, Auto Power off, Relative & Hold, Peak function captures transient pulses. Specifications. AC Voltage Ranges: 500mV, 5V, 50V, 500V, 1000V. AC Voltage Maximum Resolution: 0.01 mV. AC Voltage Basic Accuracy (%rdg+digits): ±(0.4% + 40d). DC Voltage Ranges: 500mV, 5V, 50V, 500V, 1000V. DC Voltage Maximum Resolution: 0.01 mV. DC Voltage Basic Accuracy (%rdg+digits): ±(0.02% + 2d). AC Current Ranges: 500µA, 5000µA, 50mA, 500mA, 5A, 10A. AC Current Maximum Resolution: 0.01 µA. AC Current Basic Accuracy (%rdg+digits): ±(0.7% + 50d). DC Current Ranges: 500µA, 5000µA, 50mA, 500mA, 5A, 10A. DC Current Maximum Resolution: 0.01 µA. DC Current Basic Accuracy (%rdg+digits): ±(0.1% + 20d). Resistance Ranges: 500, 5k, 50k, 500k, 5M, 50Mohm. Resistance Maximum Resolution: 0.01 ohm. Resistance Basic Accuracy (%rdg+digits): ±(0.1% + 6d). Capacitance Ranges: 50 nF to 9999 µF. Capacitance Maximum Resolution: 0.01 nF. Capacitance Basic Accuracy (%rdg+digits): ±(0.8% + 3d). Line Frequency Ranges: 5 Hz to 200 kHz. Line Frequency Maximum Resolution: 0.0001 Hz. Line Frequency Basic Accuracy (%rdg+digits): ±(0.002%+4d). Logic Frequency Ranges: 5 Hz to 200 kHz. Logic Frequency Maximum Resolution: 0.0001 Hz. Logic Frequency Basic Accuracy (%rdg+digits): ±(0.002%+4d). Temperature Ranges: -58 to 1832°F (-50 to 1000°C ). Temperature Maximum Resolution: 0.1°F/°C. Temperature Basic Accuracy (%rdg+digits): ±(0.3% +1°C/2°F). Duty Cycle: 0.1% to 99.99%. Duty Cycle Maximum Resolution: 0.01%. Duty Cycle Basic Accuracy: ±(3d/kHz + 2d).
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