Galvanized Stainless Steel

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FAQ

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

The measurement in high voltage loop, prohibit the use of lead from the clamp ammeters another meter measurement. When measuring the phase current of high voltage cable, the distance between the cable head and line should be above 300mm, and the insulation is good, which can be carried out when the measurement is convenient.

How can the air outlet of the air conditioner in the air conditioner flow out?

In the refrigeration operation, look at the dripping pipe, dripping speed is very slow, or no water drop. (for more than an hour after the boot does not drop or drop slow, mostly refrigerant leakage), the horizontal position of indoor machine improper installation: indoor machine installed in a horizontal position inclined pipe intersection direction caused by excessive condensation water efflux blocked.

The specific use of the clamp meter

Check the quality of motor using the multimeter and clamp meter plus experience method is completely can detect the quality of the motor. The following describes several detection methods (for reference only): 1, DC resistance method: use multimeter resistors (three-phase)

Chinese instrument through VC3266B forcipated portable digital multimeter manual

Because the clamp table itself is of low precision, small current measurement, can adopt the following methods: first, the measured circuit of the wire around a few times, were measured and then put into the jaw. The table clamp clamp meter indicating the current value of the actual value is not measured, the actual current when the number of winding for the readings divided by the wire clamp meter.

Taiyuan Wittel QJR soft start switch current unbalance fault is what reason?

In operation, measure whether the three-phase current of the load end is equal with a caliper table, or whether the three-phase current is measured together to see whether the current is zero!

Is there a caliper meter that can measure direct current?

Magnetic balance type current sensor called compensation sensor, namely the primary current Ip generated in the magnetic core premises through a secondary magnetic field coil current magnetic field generated by the compensation, the compensation current of Is accurately reflect the current of primary side Ip, so that the Holzer device is in the working state of zero magnetic flux detection.

Air conditioning suddenly does not cool down, what's the matter?

Three of the reasons for the non refrigeration of air conditioning: the power of the air conditioner is not enough to prevent refrigeration: the amount of refrigeration required by the power space of the air conditioner is matched.

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.