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When using an ohmmeter to check the resistance of a compressor's windings what scale would you use?
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∙ 14y ago
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∙ 14y ago
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What are the advantage of ohmmeter?
To measure resistance, and to check continuity.
How do you check mega ohms on compressor?
Usually you check mega-ohms by reading the resistance between compressor shell and the windings. There should be a large amount of resistance which means the windings are not shorted to the compressor case or shell. Use a DVM (digital volt ohm meter) to check the resistance.
What condition is unfavorable for the use of an ohmmeter?
An ohmmeter is used to check continuity and resistance. An unfavorable use would be to connect the meter to any power. Unless the meter has a safety feature, connecting it to any type of power will damage the meter.
What is the difference between continuity and resistance check?
Continuity is checking for a completed circuit including a short circuit. Checking resistance would be checking in ohms resistance of a circuit, motor windings or an open circuit.
How do you trouble shoot generator problem if there is no output?
Short the windings and perform resistance testing. Check your rectifier for shorted and/or opened diodes (likely open).
How is an ohmmeter connected to a circuit?
ANY METER needs some kind of current flow to operate. Internal in the meter there are batteries that provide current that when passed trough a resistor will develop voltage as a function of the current. the meter will read this current and display the resistor size to cause this current to flow.
How do you test the Machine control electronic board on a whirlpool duet dryer?
You check with an ohmmeter the resistance between the P4-3 and P4-6 pins on the P4 connector on the electronic board.
Can insulation resistance of cable be checked with a volt meter?
No. A volt-ohmmeter will not check insulation. To check cable insulation you need a special device (called a megger) made for the purpose that imposes a high voltage and measures current leaks.
You have no spark on 94 prism?
Check ignition coil primary and secondary resistance using an ohmmeter. Check for burned distributor rotor. Check for faulty igniter if so equipped. Also, for more answers try asking this question again but replace "prism" with "corolla."
What meter is used to bench check a motor for short or open winding?
Ohmmeter
What is the impedance of water?
Impedance of water is the density of water times the sound velocity in water ANSWER: Pure water has a high resistivity. An ohmmeter i a good way to check for quality of water. If resistance is low it means that it is has other material floating in there.
Why the resistance of a capacitor is infinite when measures with an ohmmeter?
The typical ohmmeter measures DC resistance by providing DC current and measuring the voltage drop accross the resistor. By definition, the 'ideal' capacitor is an open circuit to DC current and voltage. By definition, an open circuit has infinite resistance. Of course, real-world capacitors are not ideal. They have a very high parallel leakage resistance and a very small series resistance. And, different meters can measure different ranges of resistance. So, you may not get an infinite/overload measurement on some capacitors with some meters. You may get a very high resistance instead. If so, you are not really measuring the resistance of the 'capacitor', but rather that of the imperfections in the component manufactured to be a capacitor. ANSWER: The ohmmeter battery will charge the capacitor in 5 time RC after that it quirts there is no more current flow. Any body that claim to be able to check resistance of a capacitor i just a wannabe
