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The Tenma 72-7735 Autoranging Multimeter with RS-232 offers a variety of ranges for every service application, plus provides an optically isolated RS-232 interface. Rugged overmolded housing stands up to the daily rigors of field service use, and large LCD display is easily read from several feet away. Measures AC/DC voltage, AC/DC current, resistance, capacitance, frequency and duty cycle. 3-3/4 digit, 3999 count display features 3/4" digits and numerous on–screen icons. Specifications. Range; DC Voltage: 400mV, 4V, 40V, 400V, 1000V. AC Voltage: 4V, 40V, 400V, 750V. DC Current: 400 µA, 4000 µA, 40 mA, 400 mA, 4 A, 10 A. AC Current: 400µA, 4000µA, 40mA, 400mA, 4A, 10A. Resistance : 400 ohm, 4 Kohm, 40 Kohm, 400 Kohm, 4 Mohm, 40 Mohm. Capacitance: 40 nF, 400 nF, 4 µF, 40 µF, 100 µF. Frequency: 10 Hz~10 MHz. Duty Cycle: 0.1%~99.9%. Accuracy; DC Voltage: ±(0.8%+1). AC Voltage: ±(1% +5). DC Current: ±(1%+2). AC Current: ±(1.5%+5). Resistance: ±(1%+2). Capacitance: ±(3%+5). Frequency: ±(0.1%+3).
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