Using a Digital Multimeter BK 2831E

Digital Multimeter

• • • The digital multimeter is a multipurpose instrument that contains three different meters in one.

Voltmeter

• measures potential difference (voltage) between 2 points (in volt)

Ammeter

• measures the amount of current through a component (in amperes, or amps)

Ohmmeter

BK Precision 2831E

Symbols Definition

This symbol on an instrument indicates that the user should refer to the operating instructions located in the manual Electrical Shock hazard Chassis ground symbol

Primary Display Secondary Display On /off Switch Front Panel Overview Function keys Input terminals Current Input fuse Range Selection

Input terminals

2 mA-200 mA for 2831E, range DC/AC current input terminal for DC/AC current Input-High terminal for Volts, ohms, Hz, period, diode and continuity measurements Common terminal 20 A range current input terminal for DC/AC current measurement T1AL/250 V type fuse for the mA measurement range

Input protection Limits

Measuring Resistance

Measuring Voltage

DC/AC VOLTAGE SOURCE

Measuring Current (below 200 mA)

DC/AC VOLTAGE SOURCE

Measuring Current (ranges 2 A and 20 A)

DC/AC VOLTAGE SOURCE

Measuring Frequency and Period

Testing Diode

Diode Measurement