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The B&K Precision 5491B is a versatile and dependable 4 3/4 digit bench multimeter suitable for applications in education, service and repair, and manufacturing requiring basic and reliable measurements. Additionally, this instrument enhances your productivity with built-in math functions and USB connectivity, math operations include; Rel, Max/Min, dBm, dB, %, and Hold. The 5491B take typical multimeter measurements such as volts, ohms, and amps with great accuracy, stability, and basic VDC accuracy of 0.02%. This meter is also capable of measuring frequency, period, continuity, and performing diode tests. Readings can be taken at a maximum rate of 25 readings/sec with measurement rates selectable between slow, medium, and fast. Dual display to indicate two measurements simultaneously. Specifications. DC Voltage Range: 500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0 V. AC Voltage Range: 500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 750.0 V. DC Current Range: 5.0000 mA, 50.000 mA, 500.00 mA, 5.0000 A, 20.000 A. AC Current Range (True RMS, AC Coupling): 5.0000 mA, 50.000 mA, 500.00 mA, 5.0000 A, 20.000 A. Resistance Ranges: 500.00 ohm, 5.0000 k-ohm, 50.000 k-ohm, 500.00 k-ohm, 5.0000 M-ohm, 50.000 M-ohm. Continuity: 500 ohm. Diode Test current: 0.5 mA (Approx.). Frequency Range: 10 Hz, 100 Hz, 100 kHz, 1 MHz. Period Range: 10 µs, 10 ms, 100 ms. Display Resolution: 50,000 count.
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