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# Fluke India - Clamp Meters

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The presentation explains all that you need to know about Clamp Meters.

Fluke India is a leader in the manufacture, distribution and service of electronic test tools and software.

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• In electrical and electronic engineering, a &lt;a href=&quot;http://www.fluke.com/fluke/inen/Clamp-Meters/Fluke-376.htm?PID=70403&quot; title=&quot;ac dc clamp meter&quot;&gt;true rms clamp meter&lt;/a&gt; or &lt;a href=&quot;http://www.fluke.com/fluke/inen/products/clamp-meters.htm&quot; title=&quot;current meter&quot;&gt;clamp multimeter&lt;/a&gt; is an electrical device having two jaws which open to allow clamping around an electrical conductor. This allows properties of the electric current in the conductor to be measured, without having to make physical contact with it, or to disconnect it for insertion through the probe.
• ### Fluke India - Clamp Meters

1. 1. Clamp Meter ABCs
2. 2. What is a Clamp Meter?A clamp meter is an electricaltester that combines avoltmeter with a clamp typecurrent meter
3. 3. Some Basics• Resolution - Resolution refers to how fine a measurement a meter can make• Accuracy - Accuracy is the largest allowable error that will occur under specific operating conditions• Crest factor - Crest factor is a simple ratio of a signal’s peak value to its rms value
4. 4. Measuring ac currentSelect Amps ac A~Open the jaws of the clampmeter and close the jaws arounda single conductorView the reading in thedisplay
5. 5. Measuring voltageSelect Volts AC ( ) or Volts DC( ), asdesiredPlug the black test probe into theCOM input jackPlug the red test probe into the Vinput jackTouch the probe tips to the circuitacross a load or power source
6. 6. Measuring voltageView the reading, being sure to notethe unit of measurementPress the HOLD button to freeze thereading in the displayNow you can remove the meter fromthe live circuit and then read thedisplay when you are safely clear ofthe electrical hazard
7. 7. Measuring ResistanceTurn off power to the circuitSelect resistance (Ω)Plug the black test probe into the COM input jack
8. 8. Measuring ResistancePlug the red test probe into the VΩ input jackConnect the probe tips across the component or portion ofthe circuit for which you want to determine resistanceView the reading in the meter’s display
9. 9. Safety Precautions Use a meter that meets accepted safetystandards for the environment in which it willbe used Inspect test leads for physical damage beforemaking a measurement Use the meter to check continuity of the testleads Use only test leads that have shroudedconnectors and finger guards
10. 10. Safety Precautions Use only meters with recessed input jacks Be sure the meter is in good operating order Always disconnect the “hot” (red) test lead first Don’t work alone Use a meter that has overload protection onthe ohms function
11. 11. Thank You