Fluke 1777 Three-Phase Power Quality Analyzer

The Fluke 1777 is the flagship model in the Fluke 1770 Series of three-phase power quality analyzers, engineered for comprehensive power quality analysis, fault troubleshooting, and long-term logging in complex electrical systems. As the top-tier variant alongside the 1773 and 1775, the 1777 distinguishes itself with high-speed voltage transient capture at 20 MS/s, making it the ideal instrument for diagnosing the most elusive and damaging power quality events.

Designed for power utilities, industrial facilities, and commercial building operators, the 1777 combines the real-time troubleshooting capability of a power quality meter with the analytical power of a dedicated power quality recorder. Its intuitive touchscreen interface, automatic measurement capture system, and advanced reporting software simplify even the most complex power quality studies.

  • Item No :

    Fluke 1777
  • Order(MOQ) :

    1
  • Payment :

    EXW
  • Product Origin :

    Romania
  • Shipping Port :

    Wuhan, Hubei, China
  • Lead Time :

    3-5 days
  • Weight :

    2kg
  • Key Features

    • High-Speed Transient Capture – Captures damaging voltage transients up to 8 kV peak at 20 MS/s sampling rate (and up to 200 MS/s with pending firmware update), ensuring even the fastest events are detected

    • Supraharmonics Analysis – Measures harmonics up to 30 kHz, critical for modern systems with inverter-based loads, renewable generation, and power electronics

    • PQ Health Overview – Provides a visual summary of power quality health in accordance with international standards including EN 50160, IEEE 519, and IEC 61000-2-2

    • 7-inch Capacitive Touchscreen – High-resolution (1024×600) color display operable while wearing PPE, with intuitive navigation between measurement views

    • Automatic Measurement Capture – Automatically captures over 500 power quality parameters upon session start, eliminating complex setup and ensuring data consistency

    • Two-in-One Design – Combines PQ Meter mode for real-time troubleshooting (up to 24 hours of live data) with PQ Logger mode for detailed analysis and reporting

    • Energy Loss Calculator – Identifies locations of lost energy in electrical systems and calculates real monetary losses from energy waste

    • Comprehensive Connectivity – Features dual WiFi, Ethernet, USB-C, USB-A, and Bluetooth 5.0/BLE for flexible data download and remote monitoring

    Technical Parameters

     
     
    Parameter Specification
    Model FLUKE-1777
    Manufacturer Fluke Corporation
    Product Type Three-Phase Power Quality Analyzer
    Voltage Channels 4 (3 phases + neutral, referenced to N and N-PE)
    Current Channels 4 (3 phases + neutral), auto-range based on connected sensor
    Max Input Voltage 1000 V rms / 1000 V dc (1700 Vpk)
    Voltage Measurement Range 1000 V AC (phase-neutral); 1732 V AC (phase-phase)
    Current Measurement Range Up to 6000 A (with iFlex 6000 A probe)
    Frequency Range 42.5 Hz – 69 Hz
    Sampling Rate 20 MS/s (transients); 80 kS/s at 50/60 Hz
    Bandwidth DC to 500 kHz
    Transient Capture ±8 kVpk; min. duration 0.05 µs
    Harmonics Up to 150th order; THD based on 50 harmonics
    Voltage Accuracy ±0.1% of reading
    Current Accuracy ±0.1% of reading ± 0.02% of range
    Power Accuracy ±0.5% of reading ± 0.05% of range
    Internal Storage 32 GB (with 32 GB microSD included)
    Display 7-inch TFT color capacitive touchscreen, 1024×600
    Connectivity WiFi (2x), Ethernet 1 Gbit/s, USB-C, USB-A, Bluetooth 5.0/BLE
    Power Supply 100–600 V AC / 100–660 V DC from measurement line
    Battery Lithium-ion BP1770, customer replaceable
    Operating Temperature -10°C to +50°C
    Safety Rating CAT IV 600 V / CAT III 1000 V
    Standards Compliance IEC 61000-4-30 Class A, IEC 62586 PQI-A-PI, EN 50160, IEEE 519
    Dimensions 28.0 × 19.0 × 6.2 cm
    Weight Approx. 2.5 kg (without accessories)

    Core Advantages

    1. Captures the Events Other Analyzers Miss

    The Fluke 1777's 20 MS/s transient sampling capability sets it apart from lower-tier models. While the 1775 samples at 1 MS/s, the 1777 captures fast transients that can damage sensitive electronics, corrupt data, or cause equipment failure. With a minimum detectable duration of just 0.05 µs and ±8 kVpk range, no damaging event escapes detection . This makes the 1777 the instrument of choice for diagnosing unexplained equipment failures and intermittent power quality issues.

    2. Purpose-Built for Modern Power Systems

    The proliferation of inverter-based loads, variable frequency drives, and renewable energy sources has introduced new power quality challenges. The 1777 addresses these directly with supraharmonic measurement up to 30 kHz, enabling analysis of high-frequency distortions that traditional analyzers miss. This capability is essential for ensuring reliable operation of modern electrical systems .

    3. Automated Efficiency from Setup to Report

    The 1777 eliminates the complexity traditionally associated with power quality studies. Its automatic measurement capture system records over 500 parameters immediately upon session start, while the guided setup ensures correct configuration for the system under test. The included Fluke Energy Analyze Plus software generates standards-compliant reports (EN 50160, IEEE 519, IEC 61000-2-2) at the click of a button, transforming raw data into actionable intelligence .

    4. Designed for Field and Remote Work

    The 1777 is built for the realities of electrical testing. It powers directly from the measurement line (100–600 V AC), eliminating the need to locate a power outlet. The capacitive touchscreen works with PPE gloves, and the unit supports remote configuration and monitoring through peer-to-peer or client-server networks via WiFi, Ethernet, or Bluetooth. Data can be downloaded without interrupting logging sessions, enabling real-time visibility into power quality events .

    5. Complete Package for Immediate Deployment

    Unlike basic models, the standard Fluke 1777 ships as a complete kit including i17XX-FLEX1500 24" current probes, WiFi/BLE adapter, magnetic hanging kit, and a rugged IP67 hard case. This turnkey configuration means the analyzer is ready for field work immediately upon delivery .

    Applications

    The Fluke 1777 is deployed across industries where reliable power quality is critical:

     
     
    Application Area Description
    Power Utilities Substation power quality audits, EN 50160 compliance verification, and grid disturbance analysis
    Industrial Facilities Troubleshooting equipment failures, harmonic analysis from VFDs, and energy loss investigation
    Commercial Buildings Power quality surveys, UPS and generator testing, and energy management system validation
    Renewable Energy Inverter performance analysis, supraharmonic measurement, and grid interconnection studies
    Manufacturing Diagnosing intermittent faults, verifying power quality for sensitive production equipment, and long-term logging
    Data Centers Power quality monitoring for critical IT infrastructure, transient event capture, and reliability analysis

    Recommended Models & Related Products

     
     
    Model Description Key Difference
    FLUKE-1777 Top-tier analyzer with current probes and WiFi/BLE adapter This item; 20 MS/s transient capture, 32 GB SD
    FLUKE-1777/BASIC Analyzer without current probes or WiFi/BLE adapter Lower cost for users with existing probes
    FLUKE-1775 Mid-tier analyzer 1 MS/s sampling, no 20 MS/s capability, includes probes
    FLUKE-1773 Entry-level analyzer No transient/waveform capture capability
    C1777 IP67 Hard Case Rugged transport case with wheels
    i17XX-FLEX1500/24 1500 A Flexible Current Probe Standard probe included with 1777
    i17XX-FLEX3000/24 3000 A Flexible Current Probe Higher current range accessory
    177X WiFi/BLE Module Wireless communication adapter Included with 1777, optional for others

    What's Included

    • 1 × Fluke 1777 Three-Phase Power Quality Analyzer

    • 4 × i17XX-FLEX1500 24" (61 cm) Thin-Flexi Current Probes

    • 1 × WiFi/BLE Module (pre-installed)

    • 1 × Magnetic Hanging Kit

    • 1 × IP67 Hard Case with wheels

    Note: Additional current probes, voltage leads, and accessories are available separately.

    Why Buy From Us?

    • In Stock – Ready to ship immediately

    • Genuine Fluke Product – Full manufacturer warranty included

    • Expert Support – Application and configuration assistance available

    • Fast Shipping – Expedited shipping options available

    Frequently Asked Questions (FAQ)

    Q1: What is the Fluke 1777?

    The Fluke 1777 is a three-phase power quality analyzer designed for comprehensive power quality analysis, fault troubleshooting, and long-term logging. It is the top-tier model in the Fluke 1770 Series, distinguished by its 20 MS/s high-speed transient capture capability .

    Q2: What is the difference between the 1777 and the 1775?

    The primary difference is transient sampling rate. The 1777 samples at 20 MS/s (with a pending update to 200 MS/s), while the 1775 samples at 1 MS/s. Both models capture transients up to 8 kV, but the 1777 provides higher resolution for the fastest events. The 1777 also includes a 32 GB microSD card (1775 has 8 GB internal), an IP67 hard case, and is the only model with 20 MS/s capability .

    Q3: Can the Fluke 1777 measure supraharmonics?

    Yes. The 1777 measures harmonics up to 30 kHz, enabling analysis of supraharmonic distortions that are increasingly common in systems with inverter-based loads, renewable generation, and modern power electronics .

    Q4: What current probes are included with the 1777?

    The standard Fluke 1777 includes four i17XX-FLEX1500 24" (61 cm) Thin-Flexi current probes, covering up to 1500 A. Higher-range probes (3000 A and 6000 A) are available as accessories .

    Q5: How is the analyzer powered?

    The 1777 is powered directly from the measurement line (100–600 V AC or 100–660 V DC), eliminating the need for a separate power outlet. A lithium-ion battery provides backup power for portable use .

    Q6: What software is used for reporting?

    The 1777 ships with Fluke Energy Analyze Plus software, which generates reports compliant with EN 50160, IEEE 519, and IEC 61000-2-2 standards at the click of a button. The software supports calendar view, PQ health summaries, and automated reporting .

    Q7: Can the 1777 be monitored remotely?

    Yes. The 1777 supports remote configuration and monitoring through peer-to-peer or client-server networks via WiFi, Ethernet, or Bluetooth. Data can be downloaded without interrupting ongoing logging sessions .

    Q8: What safety rating does the 1777 carry?

    The 1777 is rated CAT IV 600 V / CAT III 1000 V and complies with IEC 61000-4-30 Class A Edition 3 for power quality measurement .

    Q9: What is the storage capacity?

    The 1777 includes 32 GB of internal storage plus a 32 GB microSD card (installed), providing ample capacity for extended logging sessions .

    Q10: What is the difference between the 1777 and the 1777/BASIC?

    The 1777/BASIC model does not include current probes or the WiFi/BLE adapter. It is intended for users who already have compatible probes or require the analyzer for specific applications without current measurement. The standard 1777 includes all accessories for immediate field deployment.

     

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