1. הקדמה
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. המוצר נגמרview
2.1 תכונות עיקריות
- Three-Phase Power Quality Analysis: מידות כרךtage/Current TRMS, Peak, and Crest Factor across 4 channels.
- טווח מדידה רחב: 4-voltage channels (0 to 1000 Vrms, CAT III / 1000 V) and 4-current channels with automatic clamp הַכָּרָה.
- הַתאָמָה: Adheres to IEC 61000-4-30 Class S (0.1%) and EN 50160 for complete power quality analysis, including signaling and interharmonics.
- הקלטת אירוע: Captures and records power supply events such as shutdowns, interruptions, swells, and dips.
- ניתוח הרמוני: Performs harmonic and interharmonic analysis up to the 50th harmonic, including THD measurement.
- Inrush Current Monitoring: Records and displays inrush currents.
- אחסון נתונים: Utilizes a microSD memory card (8GB included) for extensive data logging.
- תוכנות מחשב: Includes PowerView3 for advanced data analysis, reporting, and remote control.
2.2 ציוד כלול
The MI 2885 Master Q4 package typically includes the following components:
- MI 2885 Master Q4 Instrument
- חיבור זרם גמיש חד-פאזיamps 3000 / 300 / 30 A (A 1502), 4 יחידות
- Test probes (brown, black, grey, green, blue), 5 pieces
- Crocodile clips (brown, black, grey, green, blue), 5 pieces
- כרך ידtage measurement leads (brown, black, grey, green, blue), 5 pieces
- תוויות לקידוד צבע
- כרטיס זיכרון microSD 8.0GB
- קורא כרטיסי microSD
- כוח תוכנה למחשבView3
- RS232, USB, and Ethernet patch cables
- מתאם אספקת חשמל
- 1.2 V NiMH rechargeable batteries, 6 pieces
- תיק נשיאה רך
- מדריך הוראות (מסמך זה)
- תעודת כיול
איור 1: חזית 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. התקנה
3.1 התקנה וטעינה של הסוללה
- 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.
- סגור היטב את מכסה תא הסוללות.
- 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
- זהה את הכרךtage input terminals and current clamp inputs on the instrument.
- חבר את הוולtage 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 voltagחוטי מדידה אלקטרוניים.
- Connect the flexible current clamps (A 1502) to the current input terminals. The instrument supports automatic clamp הַכָּרָה.
- ודא שכל החיבורים מאובטחים לפני שתמשיך במדידות.
3.3 Initial Power-On and Basic Navigation
- 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.
- הקש על לְהַכנִיס כדי לבחור אפשרות או לאשר הגדרה.
- הקש על ESC button to go back to the previous menu or cancel an operation.
- מקשי פונקציה F1, F2, F3, F4 provide context-sensitive options displayed on the screen.
4. הוראות הפעלה
4.1 פונקציות מדידה
The MI 2885 Master Q4 offers a wide array of measurement capabilities:
- כרך ידtage: TRMS, peak, crest factor (4-channels).
- נוֹכְחִי: TRMS, peak, crest factor (4-channels).
- כּוֹחַ: Active, reactive, apparent.
- מדידות הספק: Fully compliant with IEEE 1459 (active, non-active, fundamental, harmonic, load unbalance).
- VFD (Variable Frequency Drives) מדידות.
- Unbalance, Flicker Measurement.
- ניתוח הרמוני ובין-הרמוני: Up to 50th harmonics, THD measurement.
- אֵנֶרְגִיָה: Active, reactive, generated, consumed.
- Capturing and Recording of Power Supply Events: Shutdowns, interruptions, swells, dips.
- זרמי כניסה: Monitoring and recording, waveform/inrush displaying, snapshot and recording.
- ניתוח איכות חשמל: According to EN 50160.
- מדידת טמפרטורה.
- Photo-Voltaic Inverter Efficiency Measurements.
- Power Factor, cos φ.
4.2 ביצוע מדידה
- 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 Data Recording and Export
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. תחזוקה
5.1 ניקוי
Regularly clean the instrument's casing ותצוגה עם רך, damp 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 טיפול בסוללה
- 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 עדכוני קושחה
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. פתרון תקלות
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 בעיות ופתרונות נפוצים
- המכשיר לא נדלק:
- ודא שהסוללות מותקנות וטעונות כהלכה.
- 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:
- ודא שכרטיס ה-microSD מוכנס כראוי.
- בדוק אם יש מספיק מקום פנוי בכרטיס ה-microSD.
- 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 PowerViewתוכנת 3.
- Restart both the instrument and the PC.
7. מפרטים
The following tables provide detailed technical specifications for the Metrel MI 2885 Master Q4 Power Quality Analyzer.
7.1 מפרט כללי
| פָּרָמֶטֶר | עֵרֶך |
|---|---|
| מותג | מטרל |
| דֶגֶם | MI 2885 Master Q4 |
| מקור כוח | Battery Powered (1.2 V NiMH rechargeable batteries) |
| לְהַצִיג | מסך TFT צבעוני בגודל 4.3 אינץ' (480 x 272) |
| תִקשׁוֹרֶת | USB, RS232, Ethernet |
| זֵכֶר | 8GB microSD, up to 32GB supported |
| Overvoltage קטגוריה | CAT IV / 600V or CAT III / 1000V |
| מִשׁקָל | 0.9 ק"ג |
| מידות | 230 x 140 x 80 מ"מ |
7.2 כרךtage Inputs (AC+DC)
| פָּרָמֶטֶר | עֵרֶך |
|---|---|
| כרך נומינליtage range (L-N) | 1000 Vrms |
| טווח מדידה | 10% ... 150% of nominal voltage |
| דִיוּק | 0.2% of nominal voltage |
| Sampשיעור ling | 5 קילו-אסamples per sec @ 50/60 Hz, sync with mains freq. |
| טווח תדרים ברשת | 42.5 ... 69.0 Hz ± 10 mHz |
7.3 Current Inputs (AC+DC)
| פָּרָמֶטֶר | עֵרֶך |
|---|---|
| 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
| פוּנקצִיָה | טווח מדידה | דִיוּק |
|---|---|---|
| Power (P, Q, S) | תלוי בכרךtage and selected clamps | IEC 61000-4-30 Class S (0.1%) |
| אֵנֶרְגִיָה | תלוי בכרךtage and selected clamps | IEC 62053-21 Class 1, IEC 62053-23 Class 2 |
| Harmonics (DC ... 50th) @ 50/60 Hz | 0 ... 20% of nom. voltage | IEC 61000-4-7 Class 1 |
| לְהַבהֵב | 0.2 ... 10 | IEC 61000-4-15 Class F3 |
| לְהוֹצִיא מְשִׁוּוּי מִשְׁקָל | כרך ידtage: 0 ... 5%, Current: 0 ... 20% | IEC 61000-4-30 Class S |
| טֶמפֶּרָטוּרָה | -10 ... +85 °C | ±0.5 מעלות צלזיוס |
| Dips, Swell | 10 ... 150% of nom. voltage | ±0.2% מהנפח הנומינליtage, ±1 cycle |
| מפריע | 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. אחריות ותמיכה
8.1 אחריות למוצר
The Metrel MI 2885 Master Q4 Power Quality Analyzer comes with a אחריות לשנתיים (24 חודשים) מהיצרן. אחריות זו מכסה פגמים בחומרים ובביצוע בשימוש רגיל. אנא שמור את הוכחת הרכישה שלך לצורך תביעות אחריות.
8.2 תמיכה טכנית
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 webאֲתַר: www.metrel.si
