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Q: Explain principle of operation of pf meter?
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How do you figure kw in a three phase system?

The watt meter on three phase system is the same as the one on your house except that it monitors all three phases at once. The meter base is called a 7 jaw base which monitors the three phases and the neutral. The house meter is a 5 jaw meter. The watt meter is a totalizer which keeps track to the watts consumed by the dials on the face of the meter, which gets read monthly by the power supplier.


What does a capacitance meter do?

A capacitor meter measures the value of a capacitor in pf (picofarads), nf (nanofarads), uf (microfarads) or even farads. There are a million uf in a farad, 1000 nf in a uf, and 1000 pf in a nf. A farad is a very large amount of capacity. The capacity tells you how much energy the capacitor can store from a voltage source.


How much error is acceptable in analog PF meter?

Old type, analog power factor meters may be considered 2% instruments.


How many kwh would a smoke detector use that is 120 VAC 60 HZ 80mA?

kW = I x E x pf/1000. Take this figure and multiply it by the amount of hours that the smoke detector is in operation. pf = power factor.


Which is not part pf joint commission key principle for effective emerency managements in hospitals?

Recovery is not part of the Joint Commission key principles for effective emergency management in hospitals.


What is the difference in pf-65 and pf-69 in coins?

pf 69 is higher in value, than pf65.


What is the atomic number for pf?

There is no element with the symbol Pf.


Pf of a load?

Pf is the symbol for Power Factor.


Is pf deposited in the pf trust taxable?

No, it is not taxable


What does the position PF stand for?

PF = Power Forward.


What does pf stands for in pf flyers?

Posture Foundation


You are required to check the p f of an electric load No pf meter is available?

The answer is B. Because the voltmeter and the ammeter gives us the voltage and current respectively. and by the multiplication of both we get apparent power and by the Walt meter we get the actual power.. and the p.f. is the ratio of the apparent and actual power..