1. Introduktion og overview
The HFBTE POA-3H Power Quality Analyzer is a comprehensive, multi-functional, and intelligent instrument designed for field testing of three-phase power systems. It features a user-friendly interface, a large LCD color screen for high-resolution display, and a robust, shock-proof shell structure. This manual provides essential information for the safe and effective operation of your POA-3H analyzer.
Nøglefunktioner:
- Simultaneous measurement of 4-channel current (ABC three phase and neutral wire) and 4-channel voltage (ABC trefaset voltage og neutral linje voltage to ground).
- Measures peak current/voltage, maximum/minimum values over a period, three-phase imbalance factor, short-time voltage flicker, and transformer K factor.
- Analyzes active power, reactive power, apparent power, power factor, and displacement power factor.
- Equipped with a DSP + ARM dual-processor architecture for efficient data collection, algorithm processing, communication protocol, and human-machine interface management.
- Features a 5.6-inch LCD color screen (640x480 dots) for clear display of phase parameters, waveforms, vector diagrams, and harmonic ratios.
- Built-in flash memory stores 60 screenshots, 150 transient voltage/current waveform figures, and 12800 alarm lists.
- Starting current detection mode can continuously capture starting current waveforms for 100 seconds.
- Includes a 2GB memory card for trend curve records, storing 20 selectable parameters with data collected every five seconds for up to 300 days.
2. Pakkens indhold
Bekræft, at alle nedenstående varer er til stede i din pakke:
- POA-3H Power Quality Analyzer Unit
- 4 x Round Jaw Current Clamps (0.10A~100A, CT Size 35mm×40mm)
- USB kommunikationskabel
- Strømadapter/oplader
- Voltage Test Wires (3M length)
- Nuværende Clamp Wires (2M length)
- Brugermanual
- Bæretaske

Image: The POA-3H Power Quality Analyzer unit, along with its various accessories including current clamps, test leads, power adapter, USB cable, and user manual, neatly organized within a black carrying bag.

Image: Four blue and black round jaw current clamps, each with a connecting cable, used for measuring current in a three-phase system.
3. Sikkerhedsoplysninger
Before operating the POA-3H, please read and understand all safety warnings and instructions. Failure to do so may result in electric shock, fire, or damage to the instrument.
- Always use the instrument within its specified voltage og aktuelle områder.
- Sørg for, at alle forbindelser er sikre, før du tilslutter strøm.
- Brug ikke instrumentet i våde forhold eller i nærheden af eksplosive gasser eller dampe.
- Refer to the detailed safety guidelines in the printed manual for comprehensive information.
4. Enhedslayout og tilslutninger
Familiarize yourself with the physical layout and connection ports of the POA-3H analyzer.

Image: The rear panel of the POA-3H analyzer, illustrating the voltage test line ports (L1/A, L2/B, L3/C, E/GND, N/D), current clamp ports (L1/A, L2/B, L3/C, N/D), the power adapter port with charging indicator, and the USB communication interface.
Forbindelsesporte:
- Voltage Test Line Ports: L1/A, L2/B, L3/C, E/GND (Ground), N/D (Neutral). These are used for connecting the voltage testledninger.
- Nuværende Clamp Porte: L1/A, L2/B, L3/C, N/D. Connect the current clamps to these ports for current measurement.
- Strømadapterport: For connecting the external power supply and charging the internal battery. A charging indicator is located next to this port.
- USB-grænseflade: For communication with a computer to download data or update firmware.
5. Opsætning og første idriftsættelse
5.1. Opladning af batteriet
The POA-3H is powered by a rechargeable lithium-ion battery pack (9.6V). Before first use, fully charge the battery using the provided power adapter. Connect the adapter to the power adapter port on the device and plug it into a suitable power outlet. The charging indicator will illuminate during charging.
5.2. Connecting Test Leads and Clamps
- Tilslut voltage test leads to the corresponding voltage test line ports (L1/A, L2/B, L3/C, E/GND, N/D). Ensure correct phase and neutral connections.
- Tilslut den nuværende clamps to the current clamp ports (L1/A, L2/B, L3/C, N/D). Ensure the clamps are securely attached and oriented correctly around the conductors for accurate measurement.
5.3. Tænd/sluk
Press and hold the power button (usually located at the bottom right of the keypad) to turn the device on or off. The device will display a boot-up sequence and then show the main measurement screen.

Image: The POA-3H Power Quality Analyzer showing its front panel with the LCD screen displaying voltage and current waveforms, along with various function buttons and navigation keys.
6. Betjeningsvejledning
6.1. Navigations- og menusystem
The POA-3H features a keypad with function keys (F1-F6), navigation arrows, and dedicated measurement mode buttons. Use the arrow keys to navigate through menus and adjust settings. The F-keys provide quick access to various functions displayed on the screen.
6.2. Måletilstande
The analyzer supports various measurement modes, accessible via dedicated buttons or the menu system:
- Voltage/Current Waveform: Viser realtid voltage and current waveforms for each phase.
- Harmonic Analysis: Measures and displays harmonic content up to the 50th order for voltage og nuværende.
- Strømparametre: Shows active power (W), reactive power (Var), apparent power (VA), power factor (PF), and displacement power factor (DPF).
- Energy Parameters: Records Wh, Varh, and Vah.
- Transient Recording: Captures and records transient events such as voltage sags, swells, and interruptions.
- Starting Current Mode: Monitors and records inrush currents for up to 100 seconds.
- Voltage Flicker: Measures and analyzes voltage flicker according to standards.
- Three-Phase Unbalance: Calculates and displays the unbalance factor for three-phase systems.
6.3. Data Logging and Storage
The POA-3H can log measurement data to its internal 2GB memory card. You can configure logging intervals and select up to 20 parameters for continuous recording. Logged data can be retrieved via the USB interface for analysis on a computer.
6.4. USB-kommunikation
Connect the analyzer to a computer using the provided USB cable. The device will appear as a mass storage device, allowing you to access recorded data files. Refer to the software manual (if applicable) for detailed instructions on data analysis and report generation.
Video: A demonstration of the HFBTE POA-3H Power Quality Analyzer's display and user interface, showing various measurement screens and navigation through its functions.
7. Vedligeholdelse
7.1. Rensning
Wipe the instrument's exterior with a soft, damp klud. Brug ikke slibende rengøringsmidler eller opløsningsmidler. Sørg for, at der ikke kommer fugt ind i enheden.
7.2. Batteripleje
To prolong battery life, avoid fully discharging the battery frequently. Recharge the battery when the low battery indicator appears. If storing the device for an extended period, ensure the battery is partially charged (around 50%) and recharge it every few months.
7.3. Opbevaring
Store the POA-3H in its carrying bag in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Fejlfinding
This section addresses common issues you might encounter with your POA-3H analyzer.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke. | Low or depleted battery; Power adapter not connected or faulty. | Charge the battery using the power adapter. Ensure the power adapter is functioning correctly and connected securely. |
| No readings or incorrect readings. | Incorrect connection of test leads/clamps; Faulty leads/clamps; Measurement range incorrect. | Verify all connections are secure and correct. Check the integrity of test leads and clamps. Ensure the appropriate measurement range is selected. |
| Skærmen er tom eller frosset. | Software error; Device malfunction. | Perform a hard reset by holding the power button for an extended period (e.g., 10 seconds). If the issue persists, contact customer support. |
| Cannot connect to computer via USB. | Faulty USB cable; Driver issues on computer; Device not in correct mode. | Try a different USB cable. Ensure necessary drivers are installed on your computer. Check the device settings for USB communication mode. |
9. Tekniske specifikationer
Below are the detailed technical specifications for the HFBTE POA-3H Power Quality Analyzer.
| Parameter | Specifikation |
|---|---|
| Strømforsyning | Rechargeable lithium-ion battery packs 9.6V, backup charger |
| Arbejdsstrøm | About 590mA, continuous working 8 hours |
| Visningstilstand | LCD color screen, 640x480 dots, 5.6 inches, display field 116mm × 88mm |
| Instrumentstørrelse | 240 mm × 170 mm × 68 mm |
| CT Size (Round Jaw Current Clamp) | 35mm × 40mm |
| Line Voltage | 1.0V ~ 2000V |
| Phase Voltage | 1.0V ~ 1000V |
| Current (100A clamp) | 0.10A ~ 100A |
| Frekvens | 40Hz ~ 70Hz |
| Electricity Energy Parameter | W, VA, Var, PF, DPF, cosφ, tanφ |
| Energiparametre | Wh, Varh, Vah |
| Harmonisk bølge | 0 - 50 times |
| Total harmonisk forvrængning | 0 - 50 times, each phase |
| Transient Record Groups | 150 grupper |
| Voltage Flimmer | Ja |
| Start Current Mode | Yes, 100 seconds |
| Three-phases Unbalance | Ja |
| Spids | Ja |
| Phasor Diagram Display | Automatisk |
| Screenshot Capacity | 60 STK |
| Kommunikationsgrænseflade | USB |
| Voltage Test Wire Length | 3M |
| Nuværende Clamp Trådlængde | 2M |
| Arbejdstemperatur | -10°C ~ 40°C, below 80%Rh |
| Opbevaringstemperatur | -10°C ~ 60°C, below 70%Rh |
| Indgangsimpedans | Test voltage input impedance: 1MΩ |
| Modstå Voltage | Withstand between the wire AC voltage of 3700V/50Hz one minute between the instrument line and out shell |
| Isolering | Between instrument line and shell ≥10MΩ |
| Struktur | Double insulation, with insulation shock-proof sheath |
| Egnet sikkerhedsstandard | IEC 61010-1:2001 CAT III 600V CAT IV 300V, IEC61010-031, IEC61326, Pollution degree 2 |
Note: For detailed accuracy specifications, please refer to the full printed manual.
10. Garanti og support
HFBTE products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or contact HFBTE customer support directly. Keep your purchase receipt as proof of purchase.
Kundesupport:
If you encounter any issues or have questions regarding the operation or maintenance of your POA-3H Power Quality Analyzer, please contact HFBTE customer support. Contact details can typically be found on the manufacturer's webwebsted eller i produktemballagen.