What are the manufacturers of external electric operation circuit breakers for electric energy meter

The multi-function energy meter field calibrator is a portable device specially designed and developed for on-site calibration of single, three-phase active and reactive power inductive and electronic energy meters and other electrical instruments. It is widely used in electric power, metallurgy, chemical industry, tobacco, textile, railway, shipbuilding, property and other industries. It provides a convenient solution for the power metering department to verify the error of the watt-hour meter on the spot without dismantling the meter and without stopping the power, and for the power inspection department to verify the illegal acts of electricity theft.

Product features: 1. High-precision measurement of electrical parameters such as three-phase current, voltage, active power, reactive power, power factor, angle, frequency, etc.;

2. On-site calibration of three-phase active and reactive power induction, electronic electric energy meters and other electrical instruments;

3. On-site calibration of the comprehensive error of the measuring device;

4. The voltage input can automatically switch the range from 0 to 400V to ensure the measurement accuracy;

5. The current input is available in two ways: terminal and clamp meter, and the maximum measurable current is 500A;

6. The hexagonal diagram is displayed in real time, the wiring error is identified instantly, and the electricity theft behavior is under control;

7. High-precision measurement of CT variable ratio;

8. The storage of 200 pieces of measurement data to be calibrated can be easily completed;

9. It can be equipped with a microcomputer to manage the data in the equipment through the RS232 serial port, so as to truly realize paperless office;

10. Large-screen LCD Chinese menu display, clear at a glance, easy to operate;

11. It can be powered by power socket (AC220V) or directly from the power grid (AC80-400V) to work, fully considering the on-site use conditions;

12. It can be equipped with a three-phase precision test power supply and used as a three-phase verification device;

13. Strong on-site load adaptability, stable and reliable work;

14. Small size, light weight, exquisite appearance, easy to carry.

Founded in 1985, Suzhou Future Electric is an enterprise specializing in external circuit breakers for cost control electric energy meters, and has been focusing on the R&D and production of remote control of low-voltage circuit breakers for more than 30 years. It is a designated production enterprise of the former Ministry of Machinery and Electronics Industry. Suzhou Future Electric is also responsible for the drafting of the CQC central electric energy meter external circuit breaker standard, and is the drafting unit of the China Electricity Council standard.

It has a laboratory accredited by CNAS, and is a demonstration enterprise for the integration of industrialization and industrialization.

1. First of all, the current loop of the electric energy meter is connected in series in the circuit.

2. When using electricity normally, the circuit current of the live wire and the neutral line is equal.

3. Therefore, the wire you burn black, whether it is the live wire or the neutral wire, may cause the contact resistance to increase, resulting in heating and burning when the current increases. It is strongly recommended to call the power supply bureau to let the electrician come to the door to eliminate hidden dangers!

4. The circuit breaker is used to monitor the leakage current, which is used for short-circuit protection, and it affects your current.