WZYD-30B Three phase Electricity Inspection Comprehensive Tester

The WZYD-30B three-phase electricity inspection comprehensive tester combines multiple functions such as on-site verification of electric energy meters, phase volt ampere meters, and harmonic testers. It is a cost-effective equipment for electricity inspection and testing. It is an indispensable testing tool for many departments such as electricity inspection, power supply stations, metering, dispatching, relay protection, etc.

Handheld three-phase electricity inspection comprehensive tester, electricity inspection comprehensive tester, three-phase multifunctional electricity detector, three-phase multifunctional electricity inspection instrument.

1. It can measure many power frequency electrical parameters such as voltage, current, active power, reactive power, phase, phase sequence, power factor, frequency, etc. of single-phase and three-phase AC power.

2. It can intuitively display three-phase voltage and current vector diagrams, and intelligently distinguish the wiring results of 96 types of three-phase four wire and 48 types of three-phase three wire measuring devices.

3. It can display waveform diagrams of voltage and current, and measure harmonic content and waveform distortion up to 32 times.

4. Measurement of errors in single and three-phase energy meters, as well as comprehensive errors in low-voltage metering devices.

5. It can measure the transformation ratio, ratio difference, and angle difference of low-voltage CT.

6. Built in 32MB Flash memory, the instrument can be seen as a 32MB USB flash drive.

7. It can save test results, including meter information, voltage, current, power and other electrical parameter information, meter error, vector diagram, wiring inspection results, 32nd harmonic calculation results, etc. Up to 30000 pieces of data can be saved.

8. Adopting a 3.2-inch TFT true color 320 × 240 LCD screen, the color icons are displayed in full Chinese, making operation intuitive and convenient.

9. Built in high-energy lithium-ion battery.

1. Working power supply: 1500mAh/7.4V lithium battery

2. Working power consumption:<3VA

3. Voltage range: AC30-AC450V

4. Current (clamp gauge) range:

5A, 50A, 500A, 1500A are optional, and the working range of each range is as follows:

5. Frequency range: 45Hz~65Hz, accuracy: ± 0.01Hz

6. Phase measurement: -180 ° to+180 °, accuracy: ± 0.1 °

7. Accuracy level: 0.2 level (5A, 50A); Level 0.5 (500A, 1500A)

8. Input impedance: Voltage circuit ≥ 600k Ω, current circuit ≤ 0.01 Ω

9. Output standard energy constant: 2000p/kw. h (5A)

10. Working temperature: -20 ℃~+50 ℃ Temperature impact ＜ ± 20ppm/℃

11. Built in time error: 24-hour variation ≤ 0.02%

12. Built in USB drive capacity: 31.5MB

13. Dimensions: 185 × 95 × 40 (mm); Weight: 0.5kg