Performance indicators:
1. Applicable to traction variable frequency elevators driven by AC synchronous or asynchronous motors.
2. Adapt to elevator motor 0-450V AC voltage.
3. Adapt to elevator motor 0-140A AC rated current.
4. Adapt to elevator motor 0-200HZ frequency.
5. Adapt to elevator speed ≤6m/s.
6. Adapt to elevator ≤5000kg rated load.
7. Adapt to elevator ≤600m lifting height.
8. Electric power detection accuracy is not less than ±1%.
9. Speed detection accuracy is not less than ±1%.
10. The absolute value of the balance coefficient detection accuracy difference is ≤2% (the absolute value of the difference with the measurement value of GB/T 10059 measurement method).
Technical achievements:
The product has passed the test of the National Elevator Quality Inspection and Testing Center.
The product has passed the radio and television measurement test and calibration.
The product has applied for 3 invention patents and 1 utility model patent.