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It puts an iron core around a conductor, which allows the meter's circuitry to sense the strength of the magnetic field. The strength of the field around the conductor is related to the amount of current flowing.

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16y ago

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Related Questions

What is a amp meter?

a meter for amps


How do electricians check current flow in a circuit?

For AC circuits, amperage is checked with a clamp on amp meter. There is now in the market place a clamp on amp meter that will work on both AC and DC circuits.


Will the voltmeter work when ammeter is connected wrongly in a circuit?

The volt meter should work. The meter is connected across the supply where as the amp meter is connected in series with any load that it is metering. On larger installations to measure the amperage, a current transformer is connected around the conductor to be monitored. If a CT is used then the polarity has to be observed when connecting to an amp meter.


What does a kicker do on a CB radio?

A 'kicker' is an illegally modified linear amp for a 10 meter ham radio, reconfigured to work with the 11 meter band.


What Do Amps Measure?

You can measure the electrical current with an amp meter. Amperage measures the current flow.


What is the maximum amperage capacity of the 400 amp meter base with two 200 amp disconnects?

The maximum amperage capacity of a 400 amp meter base with two 200 amp disconnects is 400 amps.


What is the maximum amperage capacity of a 400 amp meter main with two 200 amp disconnects?

The maximum amperage capacity of a 400 amp meter main with two 200 amp disconnects is 400 amps.


How do you find the current in a wire?

Open the circuit and put an amp meter in series. There are clamp on current meters. You don't need to break the circuit.


Can you install 100 amp service in 200 amp meter base?

No, each size service needs its own meter base.


How many voltmeter and ammeter are in dc watt meter?

There is no volt meter or amp meter in a DC watt meter.


How do you take an amp reading on three phase motor without an amp clamp?

This can be extremely dangerous if you do not know what you're doing. If you are even the slightest bit unsure call an electrician to do it. To measure amperage you will first have to turn the circuits off that feed the motor. Next you will have to open one of the connections for one of the phases and wire your amp meter in series with the motor meaning you will have to make the current pass through your amp meter and go into the motor once it is running. Make sure that your meter is sized and fused appropriately or you risk injury and damage to your meter, maybe even death.


What is the maximum current capacity measured by a 100 amp meter?

A 100 amp meter can measure a maximum current capacity of 100 amps.