Portable three-phase energy meter calibration device

JYM-3B3Portable three-phase energy meter calibration deviceMain functions and features:

1. It can output three-phase power frequency voltage, current, phase, frequency, power, and power factor signals with high stability and accuracy.
2. Can output 2-51st harmonic signals. The harmonic frequency, harmonic content, and harmonic phase can be combined and superimposed for output at will.
3. Voltage, current, phase, frequency and other electrical parameters can be set and adjusted freely within the range of range adjustment.
4. The rich design of voltage, current, phase, and power factor test points makes the operation more convenient and efficient.
5. Accurate measurement of up to 32 electrical parameters, intuitive display of large screen color LCD, and exquisite vector graphics matching, making the user experience almost perfect.
6. It has three input and output interfaces for electric energy pulses, and can simultaneously verify the errors of three single-phase (three-phase) electric energy meters. It can be used as an electric energy meter calibration device.
7. It has the function of conducting a word test on the electric energy meter. Active energy, reactive energy, and apparent energy can all be written in Chinese characters.
8. Capable of driving capacitive loads with *, it can meet the requirements of various types of loads.
9. The instrument is equipped with a touch screen, panel buttons, and adjustment knobs, with multiple operating modes suitable for different operating habits.
10. The instrument is equipped with RS485 interface and RS232 interface, which can be operated by the upper computer. The communication protocol is open, making it convenient for users to conduct secondary development.
11. The instrument is equipped with an external control switch interface, which can be connected to a foot switch to control the start and stop signals, making it particularly suitable for use in production departments.
12. Adopting software and hardware dual closed-loop technology to ensure that the output standard signal is beyond imagination.
13. By adopting mature amplifier technology and scientific assembly processes, reliability and stability have been greatly improved.
14. When there is a voltage short circuit, current open circuit, or wiring error, the output can be automatically stopped with an alarm window and sound prompt. *The fault protection function allows users to use it with confidence and confidence.
Portable three-phase energy meter calibration deviceMain technical indicators:
1. AC voltage output
Range RG: 380V, 220V, 100V, 57.735V
Adjustment range: (0-120)% RG Adjustment fineness: 0.01% RG
Accuracy: 0.05% RG Stability: ≤ 0.02%/3 minutes
Distortion: ≤ 0.1% (non capacitive load) Maximum output power per phase: 50VA
2. AC current output
Range RG: 100A, 20A, 5A, 1A, 0.2A, 0.05A
Adjustment range: (0-120)% RG Adjustment fineness: 0.01% RG
Accuracy: 0.05% RG Stability: ≤ 0.02%/3 minutes
Distortion: ≤ 0.1% (non capacitive load)
Maximum output power per phase: 100A Range: 150VA
20A range: 50VA
5A, 1A, 0.2A Range: 20VA
0.05A range: 10VA
3. Phase
Adjustment range: 0 °~359.999 ° Adjustment fineness: 0.001 °
Accuracy: 0.02 °
4. Frequency
Adjustment range: 40Hz~70Hz; Adjust fineness: 0.0001Hz
Accuracy: 0.001Hz
5. Active power
Accuracy: 0.05% RG
Stability: ≤ 0.05%/3 minutes
6. Power factor
Adjustment range: -1.0~0~+1.0 Adjustment fineness: 0.0001
Accuracy: 0.001
7. Harmonic output
Harmonic frequency: 2-51 times

Harmonic content setting range: 0-40%
Accuracy of harmonic content setting: set value ± 0.1%
8. Pulse input
Pulse input level: TTL level
Input frequency: Maximum 2MHz
Minimum pulse width: 250nS
Minimum pulse interval: 250nS
9. Standard power pulse output
Pulse level: 5V ± 5%, 5mA
Output frequency: Rated frequency 60KHz (rated voltage, current range, and PF=1)
Maximum output frequency: 86.4 KHz (1.2 times voltage range, 1.2 times current range, and PF=1)
10. Environmental conditions
Working environment temperature: 0 ℃~40 ℃
Relative humidity: ≤ 85%
Working power supply: AC220V ± 15%, maximum power consumption 1300VA
11. Exterior dimensions and weight
Appearance dimensions: 450mm × 620mm × 275mm
Weight: 38Kg