Galvanized Stainless Steel

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FAQ

How do you measure current?!

It is not necessary to shorten the two side, because the two side always meets the ammeter. I need to use a multimeter to test, as long as the first to properly connect the multimeter alternating current file (not simply use the pen, then contact) Kaiyuan fault current meter line can be. After the measurement is completed, the original ammeter is restored and the multimeter is removed.

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

The main function is to measure the current clamp meterThe main function of the multimeter is to measure voltage

How to measure a zero line with a universal watch?

The black pen line around the left circle (see Figure 2-3) of course, the more the better, pay attention: this black pen needle do not touch hands, to prevent electric shock

Why my fridge had put popsicle or ice cream frozen stiff

If the refrigerator is refrigerant, first to the refrigerator, control in the freezer, will appear, you said the freezing is not hard (folded below the melting). The temperature in the freezer is on the high side. The temperature in the refrigerator can meet the requirement. (it was designed at the factory.)

Measurement of AC and DC dual-use electrical instruments, overload ability of the instrument for?

Electromagnetic type can.

Use clamp meter?

The use of AC clamp meter measurement can only clamp into a wire, can not clamp into two or more wires.

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

Available clamp type universal meter, but better according to the inverter panel display current adjustment is better, because the frequency of downtime is measured according to its own subject and tracking may have certain discrepancy

How to measure the static grounding resistance

The grounding resistance tester model is ZC29B. There are three lines: 20 meters of ground pile and 40 meter stake respectively