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FAQ

What is the difference between the clamp meter and the universal table?

Clamp meter for measuring the line current in the continuous line condition.

How to measure a zero line with a universal watch?

Range from 200mV~750V, the general 200V file, some clamp type table no 200V file can choose a bigger range, the pointer multimeter stalls to dots can choose 10 V ~100V 3, and then the probes were inserted in V /COM (Jack 220V voltage measuring everyday appliances)

Generator carbon brush sparks, how to deal with?

Generator carbon brush spark prevention method: every day should be carbon brush and slip ring for inspection1, carbon brush wear length of not more than 2/3. When the wear length of the carbon brush exceeds the 2/3 (i.e. the top of the carbon brush is at the same level as the top of the brush holder), it must be replaced.2, carbon brush without sparking. When the carbon brush starts to spark, you must find out the reason and remove it in time.3, carbon brush without offset outer ring slip phenomenon, carbon brush edge without cracking.4 、 brush carbon brush and brush rack and carbon brush connection is good, no fever and touch brush grip.5, carbon brush in the brush without beating, shaking or stuck.

How to measure the motor current with a multimeter?

Measurement of direct current. The first black probe into "COM" hole. If the measured current is more than 200mA, will be the red pen into the "10A" Jack and the knob to direct "10A"; if the current measurement is less than 200mA, the red pen into the "200mA" Jack will knob to the appropriate range of DC within 200mA. When adjusted, it can be measured. String the multimeter into the circuit and keep it steady until you read it. If the display is "1.", then to increase the range; if the numerical left "-" appears, indicates that the current from flowing into the black pen multimeter.

How to use the clamp ammeters

The measured voltage clamp meter shall not exceed the values marked on the ground, otherwise easy to cause the accident, or cause the risk of electric shock.

How to measure the actual current of three-phase induction motor?

Clamp meter is composed of a current transformer and current meter assembly. The iron core of the current transformer can be opened when the wrench is tightened; the wire through which the current is measured can be cut through the opening of the iron core without cutting off, and when the wrench is released, the iron core is closed. Through the test circuit of the core, the wire becomes the primary coil of the current transformer, in which the current is induced in the two coil through the current.

How to measure the current limiting resistor of electrostatic ring?

In addition, there is a kind of clamp type meter like grounding resistance tester, will be measured a forceps, data is displayed, but very expensive, to tens of thousands of yuan a

How to select the clamp meter?

How to use the clip on ammeter instructions, clamp meter using a clamp type table, release date: [2008-12-30] number: [12] classification: browse [FAQ] on ammeter