The Yokogawa WT3001E is a single-channel precision power analyzer designed for high-accuracy measurement and analysis of power systems in demanding B2B environments. It delivers ±0.04% basic power accuracy across DC and 0.1 Hz to 1 MHz bandwidths, making it suitable for characterizing power supplies, inverters, motor drives, solar inverters, lighting systems, uninterruptible power supplies, transformers, and aircraft power systems.
Technical Specifications
• Measurement Accuracy: ±0.04% of reading (basic power)
• Frequency Range: DC and 0.1 Hz to 1 MHz
• Voltage Input: Maximum 600 V direct
• Current Input: Maximum 20 A direct (single-element model)
• Common Mode Voltage: 1000 Vrms continuous (50/60 Hz)
• Harmonic Measurements: IEC61000-3-2 and IEC61000-3-12 compliant
• Flicker Measurements: IEC61000-3-3 and IEC61000-3-11 compliant
• Data Storage Interval: Minimum 50 ms
• Data Update Rate: 50 ms to 20 sec
• Display: 8.4-inch high-resolution LCD with range indicator LEDs
• Power Supply: 100 to 240 VAC
– Key Features
• Waveform computation and FFT analysis for detailed signal characterization
• Waveform sampling data capture and storage
• Integration functions: active power (WP), reactive power (WQ), apparent power (WS), and current (q) with effective input range from 1% to 130% of measurement range
• Auto-ranging capability in integration mode
• Average active power calculation over user-defined intervals
• 8.4-inch LCD display with enhanced readability
– Typical Applications
• Power supply testing and evaluation
• Inverter and motor drive characterization
• Solar inverter performance analysis
• Lighting system power assessment
• Uninterruptible power supply (UPS) validation
• Transformer testing and diagnostics
• Aircraft power system measurement
– Compatibility & Integration
Standard interfaces include GP-IB, Ethernet, RS-232, and USB. Optional interfaces available: serial port (C2), USB (C12), Ethernet 100BASE-TX/10BASE-T (C7), VGA output (V1), D/A output (DA), BNC connector for two-system synchronized measurement, and external current sensor input terminals.
