Fluke 43B Single-Phase Power Quality Analyzer 

The Fluke 43B Power Quality Analyzer is a compact, handheld diagnostic tool designed for troubleshooting, analyzing, and diagnosing single-phase power quality issues in electrical systems. Combining the functions of a power quality analyzer, oscilloscope, multimeter, and harmonic analyzer, the Fluke 43B provides comprehensive electrical measurements for engineers, electricians, and maintenance professionals working in industrial, commercial, and utility power systems.

Key Features & Benefits:

✅ Complete Power Quality Analysis – Accurately measures voltage, current, power, harmonics, transients, and inrush currents to diagnose power issues in real time.

✅ Single-Phase Power Measurements – Analyzes real power (W), apparent power (VA), reactive power (VAR), power factor (PF), and phase angle, ensuring precise system performance evaluation.

✅ Oscilloscope Functionality – Captures waveforms with 20MHz bandwidth, helping identify distortions, spikes, and anomalies in power signals.

✅ Harmonic Analysis – Detects harmonics up to the 51st order, allowing engineers to assess distortion and prevent damage to sensitive equipment.

✅ Inrush Current Measurement – Captures sudden current spikes caused by motor startups or other inductive loads, helping prevent system overloads.

✅ Voltage & Current Waveform Capture – Displays simultaneous voltage and current waveforms, making it easy to pinpoint electrical disturbances.

✅ Automatic Trend Recording – Continuously records and displays trends over time, simplifying long-term monitoring and diagnostics.

✅ User-Friendly Interface – Features a large, backlit LCD display, intuitive navigation buttons, and built-in help menus for quick access to functions.

✅ Battery-Powered & Portable – Lightweight, durable, and field-ready with an extended battery life, perfect for on-site diagnostics.

✅ PC Connectivity & Data Logging – Stores multiple measurement sessions and connects via RS-232 interface for data transfer and reporting using FlukeView Software.

Applications:

• Power Quality Troubleshooting in Industrial & Commercial Electrical Systems
• Motor & Generator Performance Evaluation
• Harmonics & Distortion Analysis in AC Power Systems
• Voltage Sags, Swells & Transient Detection
• Electrical Equipment Maintenance & Diagnostics

With its versatility, precision, and reliability, the Fluke 43B Power Quality Analyzer is an essential tool for engineers and electricians diagnosing power quality issues, reducing downtime, and ensuring electrical system efficiency.

Specifications

General Specifications:

• Model: Fluke 43B
• Type: Single-Phase Power Quality Analyzer
• Display: Large backlit LCD with waveform and numerical data
• Sampling Rate: 25 MS/s (Mega Samples per second)

Measurement Capabilities:

• Voltage Measurement Range: 1V to 600V AC/DC
• Current Measurement Range: 10 mA to 40 A (with included clamp); Up to 4000 A (with optional clamp)
• Power Measurements: Real power (W), Apparent power (VA), Reactive power (VAR), Power factor (PF), Phase angle
• Harmonics Analysis: Up to the 51st harmonic
• Inrush Current Measurement: Captures transient surges caused by motor startups
• Frequency Range: 10 Hz to 15 kHz
• Resistance Measurement: 10 Ω to 50 MΩ
• Capacitance Measurement: 50 nF to 5000 μF

Oscilloscope Functionality:

• Bandwidth: 20 MHz
• Waveform Capture: Voltage and current waveforms displayed simultaneously
• Time Base: 20 µs/div to 5 s/div

Trend & Data Logging:

• Recording Duration: Continuous trend recording for up to 16 parameters
• Storage Capacity: Stores multiple measurement sessions for later review

Connectivity & Data Management:

• Interfaces: RS-232 serial port for data transfer
• Software Compatibility: FlukeView Software for Windows (allows waveform and trend analysis on a PC)

Power & Battery:

• Power Supply: Rechargeable NiMH battery pack
• Battery Life: Up to 6 hours of continuous operation
• Charger: External AC adapter included

Environmental & Physical Features:

• Weight: 1.8 kg (4 lbs)
• Dimensions: 232 mm × 115 mm × 50 mm (9.1″ × 4.5″ × 2.0″)
• Operating Temperature: 0°C to 50°C (32°F to 122°F)
• Storage Temperature: -20°C to 60°C (-4°F to 140°F)
• Safety Rating: CAT III 600V

Included Accessories:

• Voltage Test Leads
• AC Current Clamp (40A)
• Rechargeable Battery Pack
• RS-232 Cable & FlukeView Software
• Hard Carrying Case

The Fluke 43B is an essential tool for power quality troubleshooting, equipment maintenance, and electrical system diagnostics, offering high-accuracy measurements, waveform analysis, and real-time monitoring in a portable, field-ready design.