HZDZ-3 Power Quality Analysis System
Huazheng HZDZ-3 Power Quality Analyzer
Overview
HZDZ-3 power quality analyzer is specially help locate, predict, prevent and troubleshoot power quality problems in three phase and single phase power distribution systems
Tech Data
| Parameter Category | Specification Details |
| Input characteristics - Voltage measuring range | 0～200V～800V, automatic cutting gear |
| Input characteristics - Current measurement range | Clamp transformers (three types): |
| - 5A / 25A (standard) | |
| - 100A / 500A (optional) | |
| - 400A / 2000A (optional) | |
| - 1000A / 5000A (optional) | |
| Accuracy - Electrical parameters measurement | - Voltage: ± 0.1% |
| - Frequency: ± 0.01Hz | |
| - Current, power: ± 0.5% | |
| - Phase: ± 0.2 ° | |
| Working temperature | -10 ℃ ~ + 40 ℃ |
| Charging Power | 220V AC, frequency 45Hz-55Hz |
| Host Power | ≤3VA |
| Battery maximum working time | ≤10 hours |
| Insulation | 1) Insulation resistance between voltage/current input terminal and housing: ≤100MΩ |
| 2) Withstand 1.5KV (rms) power frequency between operating power input and shell, duration: 1 minute | |
| Size | 320mm × 240mm × 130mm |
| Weight | 2.0Kg |
Notes
1. Do not touch the metal parts of the test line during measurement process to avoid electrical injury.
2. Measurement wiring must operate in strict accordance with the instructions to ensure personal safety.
3. Better use of power outlet with ground.
4. Do not work in the case of excess voltage and current limits.
5. Each clamp must be accordance with the corresponding socket on the panel, otherwise it will affect the test results.
6. You must follow the principles of accessing the instrument before the device under test when connecting to the instrument, and the principles of removing the device under test before the instrument when splitting the instrument for voltage line and clamp.
7. Pay attention that you must turn off the power supply switch whenever testing is finished, because sometimes the LCD backlight automatically goes into power-saving mode, but the LCD screen does not display while the instrument is still working as normal. That's why you must turn off the power switch.
8. When monitoring during a long time, be sure to connect to the power wire, otherwise the internal power supply will be so exhausted that it'll be unable to complete the monitoring.
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