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～ 400V, 57.7V, 100V, 220V, 400V four ranges automatically switch the range. |
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Current measuring range |
0 ~ 5A, the built-in transformer is divided into 5A (CT) file. Clamp transformers are available in 6 ranges: 5A (small clamp), 25A (small clamp), 100A (medium clamp), 500A (medium clamp), 400A (large clamp), and 2000A (large clamp). (Among them, medium-sized clamp meter and large-scale clamp meter are optional) |
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Phase angle measurement range |
0 ～ 55Hz |
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Accuracy |
Voltage: ± 0.05% (± 0.1%) |
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Current: ± 0.05% (± 0.1%) (clamp transformer ± 0.5%) |
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Active power: ± 0.05% (± 0.1%) (clamp transformer ± 0.5%) |
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Reactive power: ± 0.3% (± 0.5%) (clamp transformer ± 1.0%) |
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Active energy: ± 0.05% (± 0.1%) (clamp transformer ± 0.5%) |
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Reactive energy: ± 0.3% (± 0.5%) (clamp transformer ± 1.0%) |
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Frequency: ± 0.05% (± 0.1%) |
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Phase: ± 0.2 ° |
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Power Quality |
See the instruction manual for details |
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Operating temperature |
℃ ℃ |
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insulation |
The insulation resistance of the voltage and current input terminals to the chassis ≥100MΩ |
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The opearating power input end bears the power frequency of 1.5kV (effective value) between the shell and the experiment lasts for 1 minute |
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Standard energy pulse constant |
See the instruction manual for details. |
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weight |
2kg |
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volume |
32cm × 24cm × 13 |
| Product Features |
| 1. The three-phase energy meter verification device is a high-precision test instrument that integrates energy meter verification, electrical parameter testing, and detection of power quality problems such as waveform distortion, voltage fluctuation, and three-phase unbalance in the power grid. |
| 2. The comprehensive error of the online real-load detection and measurement equipment without power failure, without changing the measurement circuit, or without opening the measurement equipment |
| 3. Accurately measure voltage, current, active power, reactive power, phase angle, power factor, frequency and other electrical parameters to calculate the measurement error of the test equipment loop |
| 4. Optional virtual load box, when the user has no load or ultra-low load, the meter can also be accurately measured |
| 5. The vector diagram of the measured voltage and current can be displayed, and the user can obtain the correctness of the measurement equipment wiring by analyzing the vector diagram. At the same time, in the three-phase three-wire connection mode, it can automatically determine 48 kinds of connection methods; the automatic calculation function of the supplementary power supply is convenient for the user to calculate the supplementary power supply for users who have wiring problems. |
| 6. The current loop can be measured with a clamp transformer, and the operator can measure conveniently and safely without disconnecting the current loop |
| 7. Verifiable voltmeter, ammeter, power meter, phase meter and other indicating instruments, as well as three-phase three-wire, three-phase four-wire, single-phase 1A, 5A various active and reactive energy meters |
| 8. The electric energy meter can be verified by photoelectric, manual, pulse, etc. |
| 9. Measurement and analysis of the AC power quality supplied by the public power grid to the user end, measurable analysis: frequency deviation, voltage deviation, voltage fluctuation, three-phase voltage allowable unbalance and grid harmonics |
| 10. Single-phase voltage and current waveforms can be displayed and three-phase voltage and current waveforms can be displayed simultaneously |
| 11. Load fluctuation monitoring: measure and analyze the fluctuations caused by various electrical equipment to the power quality of the public power grid under different operating conditions. Record and store power parameters such as voltage, current, active power, reactive power, apparent power, frequency, phase, etc. |
| 12. Dynamic monitoring of power equipment adjustment and operation process to help users solve problems in the process of power equipment adjustment and commissioning |
| 13. Test and analyze the dynamic parameters of the reactive power compensation and filtering devices in the power system and make a quantitative evaluation of their functions and technical indicators |
| 14. With perpetual calendar, clock function, real-time display date and time. The test data and results can be saved at the same time as on-site verification, and uploaded to the computer through the serial port, and the computerized data management can be realized through the background management software (optional accessory) |
| 15. Use large-screen imported color LCD as the display, Chinese graphical operation interface and LCD display interface with Chinese character prompt information and multi-parameter display, friendly man-machine dialogue interface |
| 16. Small size, light weight, easy to carry, can be used for on-site measurement, and can also be used as standard measurement equipment in the laboratory |
Email：contact@guoyi.com.sg
Address：2 KALLANG AVENUE 08-30 CT HUB SINGAPORE 339407Hotline：0065-93262640
