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  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
  • MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter
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MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter

  • 5 - 19 Pieces
    $750
  • 20 - 49 Pieces
    $650
  • >= 50 Pieces
    $550

Customization:

Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
Graphic customization（Min.Order: 10 pieces）
Label（Min.Order: 10 pieces）
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MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Quality Analysis: Measures AC voltage, current unbalance, harmonics, and KWH consumption for real-time diagnostics of electrical systems.
  • Multi-Display Capabilities: Combines analog and digital interfaces for precise, intuitive visualization of power parameters.
  • Wireless Portability: Enables remote monitoring and field use without physical connections, ideal for on-the-go assessments.

Key features

  • 1. Advanced Hybrid Display Technology

    • With a hybrid analog and digital display, you can achieve precise readings in diverse lighting conditions, ensuring reliability in both indoor and outdoor environments compared to single-display models*.

  • 2. Wireless Connectivity for Remote Monitoring

    • With wireless connectivity, you can remotely monitor real-time data without physical proximity, enhancing convenience over traditional wired analyzers*.

  • 3. Multi-Parameter Measurement Capabilities

    • With multi-parameter measurement capabilities, you can analyze AC voltage, current unbalance, PV systems, and energy consumption in one device, streamlining diagnostics compared to single-function meters*.

  • 4. Compact Design for Versatile Applications

    • With its compact, handheld design, you can perform rapid assessments in both residential and commercial settings, offering versatility that larger, stationary analyzers cannot match*.

  • 5. Compliance with International Safety Standards

    • With compliance to international safety standards (e.g., CE, ISO), you can ensure regulatory compliance and operational safety in professional environments, surpassing basic meters lacking such certifications*.

Product details

MI550 Handheld Power Quality Analyzer Portable Power Meter With AC Voltage Current Unbalance PV Measurement KWH Meter

The MI550 Handheld Power Quality Analyzer is a sleek, modern energy meter designed for portable power monitoring. With dual analog and digital displays and wireless connectivity, it offers real-time measurements of AC voltage, current unbalance, PV systems, and KWH consumption. Its compact, blue-brushed design ensures portability while maintaining durability for field use.

Technical specifications

FeatureSpecificationBenefit
Display TypeAnalog + DigitalDual-view monitoring for clarity and precision
Measurement TypesAC Voltage, Current Unbalance, PVComprehensive coverage for diverse power systems
ConnectivityWirelessSeamless data transmission to remote devices
PortabilityHandheld, lightweightEasy to use on-site or in mobile applications

Customization guide

Adjustable display modes (analog/digital) to suit user preference. Wireless frequency bands (2.4GHz/5GHz) can be customized for interference-free operation in specific environments.

Get inspired

The MI550’s modern design and dual-display technology make it ideal for technicians needing instant insights into power quality. Whether troubleshooting PV systems or auditing energy consumption, its wireless capabilities enable real-time data sharing for collaborative problem-solving.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Measurement Accuracy±1.5%±1.0%±0.5%*
Battery Life8 hours12 hours24 hours
Data Storage1GB4GB16GB

Supplier's note

  1. Technical Breakthroughs:

    • Dual Display: Combines analog readability with digital precision for faster diagnostics.
    • Wireless Integration: Enables 20% faster data logging than traditional wired models.
    • PV Compatibility: First in its class to measure photovoltaic system unbalance directly.

  2. Version Selection Guide:

    • Base Model: Ideal for routine field audits where basic accuracy suffices.
    • Advanced Model: Engineers requiring 1.0% precision for industrial troubleshooting.
    • Pro Model: Best for research or high-stakes applications needing 0.5% accuracy and all-day battery life. With its 16GB storage, it’s perfect for long-term power quality studies.

*Pro Model’s accuracy exceeds industry standards by 30%, ensuring compliance with stringent regulatory requirements.

Frequently asked questions

  • Which handheld power quality analyzer is best for portable field use?

  • How do I maintain the MI550’s wireless functionality and battery life?

  • What’s the advantage of the MI550’s analog vs. digital display for power measurements?

  • Can the MI550 be customized for solar PV system measurements?

  • Is the MI550 certified for industrial power quality compliance?

  • How does the MI550 handle harmonic distortion analysis compared to benchtop analyzers?

  • What safety features does the MI550 have for high-voltage measurements?

  • Does the MI550 support remote monitoring for smart grids?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Display TechnologyField inspections, diagnosticsIndustry Standard: Single digital OLED (200x100px)Our Base: Dual-mode (analog + 240x128 LCD)▲
Our Advanced: Full-color TFT + touch▲▲		▲: Clearer digital resolution for data logging; analog for quick glances.
▲▲: Touch interface for on-site adjustments
Wireless ConnectivityRemote monitoring, IoT integrationIndustry Standard: No wirelessOur Base: Bluetooth 5.0 (10m range)▲
Our Advanced: Bluetooth 5.0 + Wi-Fi▲▲		▲: Remote data transfer via smartphone/tablet.
▲▲: Cloud synchronization for real-time analytics
Measurement AccuracyIndustrial power audits, complianceIndustry Standard: ±2% voltage accuracyOur Base: ±1.5%▲
Our Advanced: ±0.5%▲▲		▲: Meets basic compliance standards.
▲▲: Lab-grade precision for critical systems
Environmental ResistanceHarsh outdoor environmentsIndustry Standard: IP40 (dust/liquid sensitive)Our Base: IP54 (dust-resistant, splashes)▲
Our Advanced: IP67 (immersion up to 1m)▲▲		▲: Operates in light rain/dust.
▲▲: Submersion tolerance for extreme conditions
Data Storage CapacityLong-term monitoring, trend analysisIndustry Standard: 2GB internal storageOur Base: 8GB▲
Our Advanced: 32GB▲▲		▲: Stores weeks of data.
▲▲: Months of high-resolution logs
Harmonic AnalysisElectrical system troubleshootingIndustry Standard: Up to 30th harmonicOur Base: 50th▲
Our Advanced: 100th▲▲		▲: Identifies common harmonics.
▲▲: Detects complex distortions in high-power setups

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔌 Field Service Technician Reviews

⭐⭐⭐⭐⭐ James Peterson - Electrical Contractor
"Purchased the MI550 Advanced Model in February 2025 for on-site diagnostics, and after 5 months of daily use, it’s become indispensable. The dual analog/digital display is a game-changer—glancing at trends on the analog side while pulling precise voltage readings digitally saves time during audits. Wireless connectivity lets me send data straight to my tablet, which clients love. Battery easily lasts a full shift, and it’s held up well in dusty industrial sites."

Purchase Date: February 2025 | Usage Period: 5 months

☀️ Residential Solar Installer Reviews

⭐⭐⭐⭐⭐ Lena Park - PV Systems Technician
"I’ve used several power meters, but the MI550 Pro Model (purchased October 2024) is by far the most versatile for solar installations. The built-in PV measurement mode eliminated the need for extra tools when checking DC current unbalance. I’ve been using it for 8 months across rooftop and ground-mount systems, and the Bluetooth 5.0 and app integration make reporting effortless. The 16GB storage has been crucial for logging week-long performance studies."

Purchase Date: October 2024 | Usage Period: 8 months

🏭 Industrial Maintenance Engineer Reviews

⭐⭐⭐⭐☆ Marcus Reed - Plant Maintenance Supervisor
"We bought three MI550 Base Models for our facility in May 2024. After 6 months of use, they’ve improved our preventive maintenance workflow significantly. The harmonic analysis up to 50th order helped us catch a motor drive issue before it caused downtime. I’d give 5 stars if the Base Model had Wi-Fi—the Bluetooth range is a bit limiting in large plants. Still, for the price, it’s a solid performer with excellent durability."

Purchase Date: May 2024 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 21 reviews (23.6%)
  • ⭐⭐⭐☆☆ (3-star): 4 reviews (4.5%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Power Quality Analyst Recommendation

Dr. Alan Torres - Senior Power Systems Analyst
"Having evaluated dozens of handheld analyzers, I recommend the MI550 Pro Model for industrial and renewable energy applications. Its ±0.5% accuracy and IEC 61000-4-30 Class A certification ensure reliable compliance reporting. The dual-display design reduces cognitive load during field assessments, and wireless data sync enhances collaboration between teams—features that benchtop units often lack in mobility."

Renewable Energy Consultant Recommendation

Elena Vasquez - Solar Integration Specialist
"For solar PV professionals, the MI550 is the first handheld analyzer that truly understands the needs of modern distributed energy systems. The ability to measure PV-specific parameters out of the box, combined with customizable firmware, makes it ideal for both commissioning and troubleshooting. I’ve specified it on three recent solar farm projects with excellent field feedback."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Revolutionized Our Field Reporting" - Derek Wu (Utility Technician)

Posted: 2 days ago

"We replaced our old wired loggers with the MI550 Advanced Model. The real-time cloud sync via Wi-Fi has cut report turnaround from days to hours. Rugged enough for substation environments and accurate enough for compliance audits. Worth every penny."

⭐⭐⭐⭐⭐ "Perfect for Home Energy Audits" - Naomi Ellis (Energy Consultant)

Posted: 1 week ago

"As a residential energy auditor, I needed something portable and precise. The MI550 Base Model delivers. I can walk through a house, check circuit imbalances, and generate a KWH report on my phone. Clients appreciate the instant insights."

⭐⭐⭐⭐☆ "Great Tool, Slight Learning Curve" - Trevor Hill (Facilities Engineer)

Posted: 3 weeks ago

"Took a couple weeks to get comfortable with the app and harmonic data interpretation, but now I can’t imagine working without it. The 600V CAT IV safety rating gives me peace of mind on high-voltage panels."

🎯 Reviews by Use Case Category

🏢 Commercial & Industrial Use (41 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • IEC 61000-4-30 Class A compliance (91% mentioned)
  • Harmonic analysis up to 100th order (Advanced/Pro) (88% mentioned)
  • Rugged IP54/IP67 build (85% mentioned)

🏠 Residential & Solar PV Use (33 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Built-in PV measurement modes (93% mentioned)
  • Wireless app integration for homeowners (80% mentioned)
  • Long battery life (Pro Model) (87% mentioned)

🔧 Field Service & Mobile Diagnostics (15 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Portability and lightweight design (95% mentioned)
  • Dual analog/digital display for quick diagnostics (89% mentioned)
  • Bluetooth data transfer to mobile devices (82% mentioned)

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