Powerful handling system Multifunctional power meter

Multifunctional Power Meter's performance requirement：
1. Basic error: should meet level 2.0,

Acceptance error limit: Under the specified reference conditions and meeting the requirements of technical regulations, our bureau will accept 50% of the error limit specified in the verification regulations

Error limit during operation: Meet the technical specification requirements under the specified reference conditions

2. Limit of error change caused by other influencing factors: The additional percentage error change caused by changes in the influencing factors relative to the reference conditions given in the regulations should not exceed the limit specified in the regulations

3. The impact of environmental temperature: The average temperature coefficient should not exceed the limit specified in the regulations

4. Time sharing function: Three rates, able to display the hourly electricity consumption and total electricity consumption of the specified time period in different time periods, with a daily timing error of less than 0.5 seconds per day

5. Multifunctional Power Meter reading: Infrared programmable meter reading, communication protocol executed according to DL/T 645-1997

6. Output port: With standard pulse output and LED output corresponding to the electrical energy value for testing and trial use

7. Electric meter error guarantee period: Under normal working conditions, the average service life of the electric Multifunction Meter is at least 10 years

8. Battery: Using cylindrical batteries with a service life of at least 10 years.