The B&K Precision model 5491B is a versatile and dependable bench-top digital multimeter. It takes typical multimeter measurements such as volts, ohms and amps with great accuracy and stability. This instrument is suitable for applications in education, service and repair and manufacturing requiring basic and reliable measurements.

This multimeter has built-in math functions and USB connectivity, features not found in other bench meters in this price category. The 5491B is an attractive choice for cost-conscious users requiring a basic and dependable meter with a broad range of extra features offered at a value price.

The LCD has a 50,000-count resolution, meaning it can display up to 49,999 units (4 3/4 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category I installations up to 1000 V (which covers protected electrical equipment such as small household appliances). Also Category II installations up to 300 V (which covers large household appliances and devices connected to a fixed power supply, such as refrigerators and air conditioners).
Up to 50,000 Count display resolution
Basic VDC accuracy of up to 0.02%
Dual display to indicate two measurements simultaneously
AC + DC True RMS
Up to 25 readings per second measurement rate
AC volt and amp measurement over wide frequency range (ACV 100 kHz/ACI 20 kHz)
Limit mode for Pass/Fail testing
Built-in math functions: Rel; Max/Min; dBm; dB; %; Hold; Compare
CATI (1000 V)/CATII (300 V) Protection
USB (Virtual Com) and RS232 computer interface for downloading data to a computer
SCPI compatible