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How to test the current on a motor?
- String into the pointer ammeter to see the impact value of the pointer (not very accurate)s
Clamp type meter use
- Structure and principleClamp meter is essentially composed of a current transformer, a rectifier type clamp wrench and magnetoelectric force instrument.s
BM822A type digital clamp meter is how to measure current?
- The top position to clamp meter alternating current file (maximum current clamp meter must be 1.25 times higher than the load current)s
Taiyuan Wittel QJR soft start switch current unbalance fault is what reason?
- For three-phase current balance clamp current meter, then there may be a fault current transmitter, controller failure, and check the line.s
To measure current, how many transformers are used in 0-100A? How big is the ammeter? How do I get the S1'S2 line?
- Transformer 100/5 can wear from L1 to L2 in S1S2, the current meter, S2 connected current meter after grounding. Note! This is not salty. Current mutual open short circuit without. If open may breakdown or transformer, and the main loop arcs
How to select the clamp meter?
- According to the type of measured current, correct selection of clamp ammeters of different types, such as the measurement of 50HZ alternating current, can choose AC clamp meter, or digital clamp meter, such as type T-301; measurement of low frequency AC or DC current, such as winding rotor motor rotor current, AC / DC, should choose clamp ammeters, such as MG20, MG24 etc.. According to the measured current size to choose the appropriate range, should be greater than the current measured value.s
A table can be used to measure the DC current?
- The Holzer current sensor production clamp meter, can measure AC DC current, and high bandwidth, can be measured in different frequency sine wave and current wave distortion.s
What are the commonly used tools for electrician maintenance?
- Strong electrical standing pliers, boards, screws, knives, electrical knives, meters, pliers type table, shaking table.Weak current electrician (electronic technology maintenance) also needs to add all kinds of instrument.s