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FAQ

Methods use a table clamp type table and the matters needing attention

The observation time, we must pay special attention to keep a safe distance from the head and charged part of the human body and any part of the charged body distance shall not be less than the entire length of the clamp meter.

How to use the caliper and its working principle?

A multimeter is a very common electrical appliance, the clamp clamp, only for the exchange of test.

According to the three-phase current and voltage, the reactive power and power factor are calculated

The use of general instrument, including clamp meter, measuring a reactive power and power factor. There is no basis for calculation.

Clamp ammeters how to measure resistance, current, voltage

A multimeter and ordinary multimeter is not the same as lies in: as the current measurement to the meter in series in the circuit, so under normal circumstances, using ordinary multimeter to measure the current required power cut, multimeter or current meter, current transformer primary side connected in series in the circuit. Then power is measured, and a multimeter can measure the current power. A multimeter than the ordinary multimeter more than one meter, the meter is made according to the principle of the current transformer, specially used for measuring alternating current. Its working principle is as follows: a part of current meter measurement million by the current transformer and current measuring part composed of 000 table. The iron core of the mutual inductor is provided with a movable part and is connected with the handle. When the utility model is used, the movable iron core is opened by pressing the handle. The wires of the current to be measured are put into the jaw and the handle is closed to close the iron core.

My model number is UA9250. Would you like to ask how to distinguish the gears on the following table?! There are no letters on it. Some numbers will do. Please explain

Structure and principleClamp meter is essentially composed of a current transformer, a rectifier type clamp wrench and magnetoelectric force instrument.

DC screen operation of the display voltage imbalance, what reason, divided into operation, reported

There is a ground fault in the switch or cable or switch. Check the ground.

The multimeter, megohmmeters and use clamp meter.

Use megohmmeter megohmmeters called shake table, tramegger, high resistance meter, insulation resistance tester [/b], is a kind of measuring equipment and electrical circuit insulation resistance meter, its shape is shown in Figure 1 - 1.There are mainly three parts of a European Watch: hand DC generator (some with alternator plus rectifier), magnetoelectric current ratio meter and connection post (L, E, G).

The digital universal meter can measure the maximum AC current

Digital multimeter is generally the largest, can only measure 20A AC current, if you want to measure more current, you can use pliers type table.