1. Танилцуулга
The Metrel MI 2885 Master Q4 is a sophisticated 3-phase power quality analyzer designed for comprehensive electrical system analysis. This instrument is engineered to automatically record critical data and waveforms related to voltage events such as dips and swells. It also supports user-defined triggers for capturing specific quantities. This manual provides essential information for the proper setup, operation, and maintenance of your MI 2885 Master Q4 device.
For detailed analysis and reporting, the included PC software PowerView3 enables advanced data processing and professional report generation. The device is compliant with power quality standard IEC 61000-4-30 Class S (0.1%) and performs complete power quality analysis according to EN 50160.
2. Бүтээгдэхүүн дууссанview
2.1 Гол онцлогууд
- Three-Phase Power Quality Analysis: Арга хэмжээ ботьtage/Current TRMS, Peak, and Crest Factor across 4 channels.
- Өргөн хэмжилтийн хүрээ: 4-voltage channels (0 to 1000 Vrms, CAT III / 1000 V) and 4-current channels with automatic clamp хүлээн зөвшөөрөх.
- Дагаж мөрдөх: Adheres to IEC 61000-4-30 Class S (0.1%) and EN 50160 for complete power quality analysis, including signaling and interharmonics.
- Үйл явдлын бичлэг: Captures and records power supply events such as shutdowns, interruptions, swells, and dips.
- Harmonic Analysis: Performs harmonic and interharmonic analysis up to the 50th harmonic, including THD measurement.
- Inrush Current Monitoring: Records and displays inrush currents.
- Өгөгдөл хадгалах: Utilizes a microSD memory card (8GB included) for extensive data logging.
- Компьютерийн програм хангамж: Includes PowerView3 for advanced data analysis, reporting, and remote control.
2.2 Оруулсан тоног төхөөрөмж
The MI 2885 Master Q4 package typically includes the following components:
- MI 2885 Master Q4 Instrument
- 1-phase flexible current clamps 3000 / 300 / 30 A (A 1502), 4 pieces
- Test probes (brown, black, grey, green, blue), 5 pieces
- Crocodile clips (brown, black, grey, green, blue), 5 pieces
- Ботьtage measurement leads (brown, black, grey, green, blue), 5 pieces
- Labels for color coding
- microSD memory card 8.0GB
- microSD карт уншигч
- PC SW PowerView3
- RS232, USB, and Ethernet patch cables
- Цахилгаан хангамжийн адаптер
- 1.2 V NiMH rechargeable batteries, 6 pieces
- Зөөлөн цүнх
- Зааварчилгааны гарын авлага (энэ баримт бичиг)
- Шалгалт тохируулгын гэрчилгээ

Зураг 1: Урд view of the Metrel MI 2885 Master Q4 Power Quality Analyzer, showing the display and control buttons.

Figure 2: The Metrel MI 2885 Master Q4 instrument displayed with its full set of included accessories, including current clamps, test leads, and carrying bag.
3. Тохиргоо
3.1 Зайг суурилуулах, цэнэглэх
- Open the battery compartment cover located on the rear of the instrument.
- Insert the 6 provided 1.2 V NiMH rechargeable batteries, ensuring correct polarity.
- Зайны тасалгааны тагийг сайтар хаа.
- Connect the power supply adapter to the instrument and a suitable power outlet to charge the batteries before first use. The charging indicator on the device will confirm charging status.
3.2 Connecting Measurement Leads and Clamps
- Номыг тодорхойлtage input terminals and current clamp inputs on the instrument.
- боть холбоноtage measurement leads to the appropriate voltage input terminals. Use the provided color-coding labels for clear identification (brown, black, grey, green, blue).
- Attach the crocodile clips or test probes to the ends of the voltage measurement leads.
- Connect the flexible current clamps (A 1502) to the current input terminals. The instrument supports automatic clamp хүлээн зөвшөөрөх.
- Ensure all connections are secure before proceeding with measurements.
3.3 Анхдагч асаалт ба үндсэн навигаци
- Press and hold the power button (usually marked with a red circle and line) to turn on the instrument.
- The device will perform a self-test and display the main menu.
- Use the arrow keys (Up, Down, Left, Right) to navigate through menu options.
- дээр дарна уу ENTER сонголтыг сонгох эсвэл тохиргоог баталгаажуулахын тулд товчлуурыг дарна уу.
- дээр дарна уу ESC button to go back to the previous menu or cancel an operation.
- Функцийн товчлуурууд F1, F2, F3, F4 provide context-sensitive options displayed on the screen.
4. Ашиглалтын заавар
4.1 Хэмжилтийн функцууд
The MI 2885 Master Q4 offers a wide array of measurement capabilities:
- Ботьtage: TRMS, peak, crest factor (4-channels).
- Одоогийн: TRMS, peak, crest factor (4-channels).
- Эрчим хүч: Active, reactive, apparent.
- Power Measurements: Fully compliant with IEEE 1459 (active, non-active, fundamental, harmonic, load unbalance).
- VFD (Variable Frequency Drives) хэмжилт.
- Unbalance, Flicker Measurement.
- Harmonic and Interharmonic Analysis: Up to 50th harmonics, THD measurement.
- Эрчим хүч: Active, reactive, generated, consumed.
- Capturing and Recording of Power Supply Events: Shutdowns, interruptions, swells, dips.
- Inrush Currents: Monitoring and recording, waveform/inrush displaying, snapshot and recording.
- Power Quality Analysis: According to EN 50160.
- Температурын хэмжилт.
- Photo-Voltaic Inverter Efficiency Measurements.
- Power Factor, cos φ.
4.2 Хэмжилт хийх
- Ensure the instrument is properly connected to the electrical system to be measured. Refer to Section 3.2 for connection details.
- From the main menu, navigate to the desired measurement function (e.g., "Power Quality," "Harmonics," "Event Recording").
- Select the measurement type and configure any necessary parameters (e.g., recording interval, trigger levels).
- Initiate the measurement. The instrument will begin collecting and displaying data.
- To stop a measurement or recording, press the ESC button or follow on-screen prompts.
4.3 Өгөгдөл бүртгэх болон экспортлох
The MI 2885 Master Q4 automatically records important data to the inserted microSD card. Recorded data can be reviewed on the instrument or exported for detailed analysis.
- On-Instrument Review: Navigate to the "Recorded Data" or "History" section in the menu to view past measurements and events.
- PC Software PowerView3: Connect the instrument to a PC using the provided USB, RS232, or Ethernet cable. Use the PowerView3 software to download, analyze, and generate reports from the recorded data. PowerView3 offers advanced features like data filtering, trend analysis, and graphical representation of measurements.

Figure 3: Screenshot illustrating the Metrel PowerView3 PC software interface, showing various graphs and data analysis capabilities for power quality measurements.
5. Засвар үйлчилгээ
5.1 Цэвэрлэгээ
Багажны цоргыг тогтмол цэвэрлэж байгаарайasing ба зөөлөн, d дэлгэцтэйamp cloth. Do not use abrasive cleaners or solvents, as these can damage the device. Ensure the instrument is powered off and disconnected from all power sources before cleaning.
5.2 Батерейны арчилгаа
- Charge the NiMH batteries fully before extended storage to prolong their lifespan.
- If the instrument will not be used for a long period, remove the batteries to prevent leakage.
- Replace batteries when their performance degrades significantly. Use only recommended NiMH rechargeable batteries.
5.3 Програм хангамжийн шинэчлэлтүүд
Periodically check the Metrel website or use the PowerView3 software for available firmware updates. Firmware updates can introduce new features, improve performance, or address known issues. Follow the instructions provided with the update package carefully.
6. Алдаа засах
This section addresses common issues you might encounter with the MI 2885 Master Q4. For problems not listed here, contact Metrel technical support.
6.1 Нийтлэг асуудал ба шийдвэрлэх арга замууд
- Instrument does not power on:
- Батерейг зөв суулгаж, цэнэглэсэн эсэхийг шалгаарай.
- Verify the power supply adapter is functioning if attempting to power via external source.
- No measurement readings:
- Check all measurement lead and current clamp connections for proper seating.
- Ensure the correct measurement function is selected on the instrument.
- Verify that the current clamps are correctly positioned around the conductors.
- Data not saving to microSD card:
- Ensure the microSD card is properly inserted.
- MicroSD картанд хангалттай зай байгаа эсэхийг шалгана уу.
- Try formatting the microSD card (Note: This will erase all data on the card. Back up important data first.).
- Communication issues with PC (PowerView3):
- Verify the USB, RS232, or Ethernet cable is securely connected to both the instrument and the PC.
- Ensure the correct communication port is selected in the PowerView3 програм хангамж.
- Restart both the instrument and the PC.
7. Техникийн үзүүлэлтүүд
The following tables provide detailed technical specifications for the Metrel MI 2885 Master Q4 Power Quality Analyzer.
7.1 Ерөнхий техникийн үзүүлэлтүүд
| Параметр | Үнэ цэнэ |
|---|---|
| Брэнд | Metrel |
| Загвар | MI 2885 Master Q4 |
| Эрчим хүчний эх үүсвэр | Battery Powered (1.2 V NiMH rechargeable batteries) |
| Дэлгэц | 4.3 inch color TFT (480 x 272) |
| Харилцаа холбоо | USB, RS232, Ethernet |
| Санах ой | 8GB microSD, up to 32GB supported |
| Хэт ихtage Ангилал | CAT IV / 600V or CAT III / 1000V |
| Жин | 0.9 кг |
| Хэмжээ | 230 x 140 x 80 мм |
7.2 ботьtage Inputs (AC+DC)
| Параметр | Үнэ цэнэ |
|---|---|
| Нэрлэсэн ботьtage range (L-N) | 1000 Vrms |
| Хэмжих хүрээ | 10% ... 150% of nominal voltage |
| Нарийвчлал | 0.2% of nominal voltage |
| Sampлингийн түвшин | 5 кСamples per sec @ 50/60 Hz, sync with mains freq. |
| Сүлжээний давтамжийн хүрээ | 42.5 ... 69.0 Hz ± 10 mHz |
7.3 Current Inputs (AC+DC)
| Параметр | Үнэ цэнэ |
|---|---|
| Measuring range (with A1502 clamps) | 3 ... 6000 Arms ± 1.5% of m.v. |
| Measuring range (with A1281 clamps) | 50 m ... 1200 Arms ± 0.5% of m.v. |
7.4 Functions and Accuracy
| Чиг үүрэг | Хэмжих хүрээ | Нарийвчлал |
|---|---|---|
| Power (P, Q, S) | Ботьоос хамаарнаtage and selected clamps | IEC 61000-4-30 Class S (0.1%) |
| Эрчим хүч | Ботьоос хамаарнаtage and selected clamps | IEC 62053-21 Ангилал 1, IEC 62053-23 Ангилал 2 |
| Harmonics (DC ... 50th) @ 50/60 Hz | 0 ... 20% of nom. voltage | IEC 61000-4-7 Ангилал 1 |
| Анивчих | 0.2 ... 10 | IEC 61000-4-15 Class F3 |
| Тэнцвэргүй байдал | Ботьtage: 0 ... 5%, Current: 0 ... 20% | IEC 61000-4-30 Class S |
| Температур | -10 ... +85 °C | ±0.5 °C |
| Dips, Swell | 10 ... 150% of nom. voltage | Нэрлэсэн эзлэхүүний ±0.2%tage, ±1 cycle |
| Тасалдаг | 0 ... 10% of nom. voltage | ±1 cycle |

Figure 4: A page from the technical specifications document, detailing various measurement parameters, ranges, and accuracies for the MI 2885 Master Q4.
8. Баталгаат хугацаа ба дэмжлэг
8.1 Бүтээгдэхүүний баталгаа
The Metrel MI 2885 Master Q4 Power Quality Analyzer comes with a 2 жилийн (24 сарын) баталгаа from the manufacturer. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
8.2 Техникийн дэмжлэг
For technical assistance, troubleshooting, or service inquiries, please contact Metrel customer support. Refer to the official Metrel website for the most current contact information, including phone numbers and email addresses for your region.
Additional resources, such as FAQs, software downloads, and updated manuals, may also be available on the Metrel webсайт: www.metrel.si





