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The Fluke 21 II Analog/Digital Multimeter provides a wealth of automatic features, measurement capabilities, and accuracy ranges. Features. 31-Segment analog bar graph, allowing greater flexibility than traditional 3.5 digit DMMs. Single pushbutton and rotary dial to select all functions. Automatic Touch Hold captures stable readings. Auto and manual ranging and automatic polarity selection. Diode test/audible continuity beeper enables fast continuity checks and audible notification of voltage drops of less than 0.7 volts. Sleep Mode to preserve battery life. All ranges for 21 II Multimeter is protected against overloads, including a fused 10 amp range for each model. All voltage inputs are protected to recover or fail safe from power line-surges from major feeders, as defined in IEEE-587-1980, Category B, which includes simulated lightning and load switching transient pulses up to 6 kV superimposed on 660V power lines. Digital Display / Counts 3200. Specifications. VDC Range: 320 mV to 1000 V. VDC Best Accuracy: ±(0.4% + 1). VDC Resolution: 1 mV. VAC Range: 3.2 to 750 V. VAC Best Accuracy: ±(2% + 2). VAC Resolution: 1.0 mV. ADC Range: 32 mA to 10 A. ADC Best Accuracy: ±(1.5% + 2). ADC Resolution: 0.01 mA. AAC Range: 32 mA to 10 A. AAC Best Accuracy: ±(2.5% + 2). AAC Resolution: 0.01 mA. Resistance Range: 320 ohm to 32 M-ohm. Resistance Best Accuracy: ±(0.5% + 1). Resistance Resolution: 0.1 ohm.
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