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Ohmmeters pages 75-80. V A x R How much resistance in a load if the amperage is:.5 amps.5 amps.

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Presentation on theme: "Ohmmeters pages 75-80. V A x R How much resistance in a load if the amperage is:.5 amps.5 amps."— Presentation transcript:

1 Ohmmeters pages 75-80

2 V A x R

3 How much resistance in a load if the amperage is:.5 amps.5 amps

4 How much resistance in a load if the amperage is: 3 amps

5 How much resistance in a load if the amperage is: 250 amps

6 How much resistance in a load if the amperage is:.004 amps

7 Ohmmeters pages 75-80

8 Ohmmeters are self powered

9 Ohmmeters are used to test the resistance in components and they must be disconnected from any other power source.

10 Most common scales n 200 n 2K n 20K n 200K n 2M n 20M

11 Manual Ranging

12 Auto Ranging

13 Out of range indication if the resistance is higher than the scale you are on. UL OUCH 3

14 The Meter will round off the reading if you are on too high of a scale. This can make your readings somewhat inaccurate

15 Circuit board assignment

16 Ohmmeters pages 75-80

17 Ohmmeters are used to: n Test continuity in switches

18 Continuity Test n Will beep with approx. 30 ohms or less

19 Ohmmeters are used to: Test continuity in mercury switches

20 Ohmmeters are used to: n Test continuity in fuses

21 Ohmmeters are used to: Test the continuity in resisters of all types Example Throttle position sensor

22 Ohmmeters are used to: Test the resistance (to specifications) of Throttle Position Sensors

23 Ohmmeters are used to: Test Potentiometers of all types

24 Ohmmeters are used to: test the continuity of temperature switches

25 Ohmmeters are used to: Test the resistance (to specifications) of a thermistor

26 Ohmmeters are used to: Test the resistance of Solenoids

27 Ohmmeters are used to: Test the continuity and or resistance of relays

28 See Ya!


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