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FAQ

What is the role of clamp meter?

Mainly for measuring alternating current.Clamp ammeters referred to as clamp meter. The work is mainly composed of an electromagnetic current meter and bushing type current mutual inductor. Straight through current transformer core made of movable opening, and a clamp on ammeter, named. The utility model is a portable instrument which can directly measure the alternating current of the circuit without disconnecting the circuit, and is very convenient for use in the electrical overhaul, and is widely used.

What's the reason for the leak on the air conditioner? The pipes outside are changed, but the air conditioner is nearby

Air outlet panels, many customers always choose aluminum alloy panels, that tall and straight, durable, high prices; and engineering plastic panels feel a little soft, and grades may not high. Therefore, almost all aluminum alloy panels are selected. As everyone knows, engineering plastic (ABS) panel is also very solid, and the installation of aluminum alloy panel effect is nothing like two. At the same time, because of the change of engineering plastic materials for hot and cold like no Aluminum Alloy so sensitive, so when the air inlet of the blowing out, and the indoor air intersection is not high, like Aluminum Alloy panels that appear immediately water gas and condensation. Therefore, in a strict sense, aluminum alloy panels should be eliminated so as not to mislead the users of high-grade decoration.

The power consumption of the same load, different power motors?

The current may be a little smaller, because the power consumption of the motor will be smaller in every respect. Both active and reactive power will be smaller.

How to maintain and maintain the communication and power room?

AC / DC clamp type meter. AC / DC clamp meter as the daily maintenance work is one of the essential test tool, mainly used to test the voltage, current, frequency and other related parameters, it has high resolution and precision testing and more testing function. At present, the maintenance personnel usually use the FLUKE of the United States F337 AC / DC Clamp Meter (RMS), and Silicon Valley communication production of SGT-11A and SGT-12B single and double jaw clamp type table, this kind of instrument with large diameter and small jaw electrical test resolution and high precision, accurate measurement, current flow the characteristics of. At the same time, the manual design of this kind of pliers is very suitable for the occasions with small space. Noise meter. The noise meter is mainly used to test the pulse component of rectifier equipment and DC converter output voltage, that is, noise voltage. At present, the noise meter in the market is mainly analog and digital. The analog noise meter is mainly JH5151 of state owned Jianhua instrument factory. Although it is larger and heavier, it has many testing indexes and high accuracy. Digital noise meter mainly has FZY-120 and FZY-120A, it has light and easy, portable, simple test, visual display and so on. At present, maintenance personnel can choose to use according to their favorite.

What is the connection between the distribution box and the bridge?

The ground wire is at least 4 square cord, 4 square wire rated operating current of about 30A, since it has been burned, indicating that the current has doubled, and the current duration is longer.

How to use the caliper and its working principle?

A multimeter is made according to the principle of the current transformer, specially used for measuring alternating current.

How can the clamp meter measure current and measure overload current?

A gauge for measuring current and how to measure an overload current:1 will be moved to AC current clamp meter gear top position (maximum current clamp meter must be 1.25 times higher than the load current)2 each phase of the current is measured, the current in the rated range is its load current, more than the rated value, the current is its overload current.

What's the caliper watch for?

The main function is to measure alternating current. Additional functions can also be used as a universal meter