Product Overview
This description covers the Fluke 1777, a device in the Fluke 1770 Series three-phase power quality analyzers. The Fluke 1777 is designed for automatic measurement, logging, and analysis of power quality with the capability for high-speed transient capture.Measurement and Analysis Functions
- Automatic capture of critical power quality parameters at the start of a measurement session.
- High-speed transient capture with a measurement range of ±8 kV and sampling up to 20 MS/s (Fluke 1777-specific).
- Current measurements with support for Rogowski and clamp sensors, as well as DC current via a separate DC clamp adapter.
- Built-in data analysis and reporting functionality through Fluke Energy Analyze Plus software (with support for EN 50160 and IEEE 519 reports, among others).
Typical Applications
- Energy measurements and load tests (indicated in the manufacturer's application table for the 1770 series).
- Harmonic surveys including up to h100 harmonics (as stated in the data specifications).
- Investigation of causes of nuisance breaker tripping.
- Detection and characterization of equipment failure caused by transient overvoltages.
Documentation
Further technical details and complete specifications can be found in the manufacturer's datasheet:
View datasheet from manufacturer
Specifications
- Model: Fluke 1777 (part of Fluke 1770 Series Three-Phase Power Quality Analyzers)
- Voltage inputs: 4 inputs (3 phases + neutral), 5 terminals; reference to PE
- Measurement category: 1000 V CAT III / 600 V CAT IV
- Max. input voltage: 1000 V rms / 1000 V dc (1700 Vpk)
- Bandwidth for PQ measurements: DC to 30 kHz (excl. transients)
- Transient measurement range: ±8 kV; transient bandwidth DC to 1 MHz
- Transient sampling (Fluke 1777): up to 1 MS/s and 20 MS/s (depending on function)
- Sampling frequency for voltage and current (PQ): 80 kS/s at 50/60 Hz; resolution 24-bit synchronous sampling
- Harmonics: h0 … h100; THD calculation and interharmonics as stated in the datasheet
- Data storage: 32 GB microSD card installed (Fluke 1777)
- Interfaces: Ethernet 1 Gbit/s, USB-A, USB-C, WiFi 802.11ac (2.4/5 GHz), Bluetooth 5.0, optional LTE modules (depending on configuration)
- Accuracy and standard compliance: IEC 61000-4-30 Class A (stated in manufacturer's documentation); further compliance and harmonic standards specified in the datasheet (e.g., IEC 61000-4-7, IEEE 519, EN 50160 etc.)
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