Technical data

Project Objectives:

• To learn how to safely and effectively measure DC voltage using a digital multi-meter.

• Gain practice in creating simple circuits from pictorial diagrams.

• Learn to adjust a variable DC source for a desired output voltage.

Items Needed:

Electronics Trainer Digital multi-meter

Jumper Wires 1.5V dry cell battery

By completin of the key proc ure d to make safe and accurate

measuremen will also introduce important points of meter care. Be sure to

remember and use these key points whenever you use a meter.

1. Make sure the meter is set on the correct function (ac or dc volts, amperes, or ohms).

When using a non-autoranging meter, make sure the range is set high enough for what you

are measuring. If you are not sure, start with the highest range and work down until the reading

is the most accurate.

3. When measuring voltage, make sure the meter is connected in parallel with what you are

measuring.

4. Be sure to observe polarity when measuring dc voltage.

5. Make sure to remove power when making changes to a circuit and connecting test leads.

Using Meters

Voltmeters

g this project you will learn some ed s use

ts with a voltmeter. We

Experiment 1

Voltmeter

re the

. What voltage range will give the most accurate result for this measurement?

(b) 2V (c) 20V (d) 200V (e) 1000V

0.00

Dry Cell

1. Following the safety guidelines listed above, use a digital multi-meter (DMM) and measu

voltage of a dry cell battery.

Cell voltage measures

__________________________ V.

2. What mode / function was the meter switched to make this measurement?

(a) A (b) V (c) V (d) 

DC AC DC

(e) A

(a) 200mV

COM

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