The Yokogawa WT130 is a compact, half-rack digital power meter engineered for precise AC and DC power measurements across industrial applications. It delivers 0.25% fundamental accuracy and operates from DC through 50 kHz, making it suitable for characterizing electrical appliances, power supplies, and lighting equipment. The instrument measures voltage, current, active power, apparent power, reactive power, power factor, and energy consumption. Its large LED display, lightweight design (3 kg), and half-rack footprint enable flexible benchtop or rack-mounted deployment in field environments.
– Technical Specifications
• Fundamental Accuracy: 0.25%
• Frequency Response: DC, 10 Hz to 50 kHz
• Measurement Parameters: DC voltage, AC voltage, AC current, active power (W), apparent power (VA), reactive power (var), power factor, voltage frequency, current frequency, total watt-hour (Wh)
• Large LED display for readability
• Weight: Approximately 3 kg
– Key Features
• Single-phase and three-phase measurement configurations: 1Φ2W, 1Φ3W, 3Φ3W, 3Φ4W, 3V3A
• Voltage Range: 0.500 to 600 V across all configurations
• Current Range: 0.500 to 150 A (1Φ3W, 3Φ3W) or 0.500 to 600 A (1Φ2W, 3Φ4W, 3V3A)
• Automatic power unit scaling to kW/kVA/kvar when result exceeds 1000 W
• DC measurement capability eliminates special handling for half-wave rectified or intermittent signals
• Optional harmonic analysis and GO/NO-GO comparator functions
• External current clamp and shunt sensor input available
– Typical Applications
Electrical appliance characterization, power supply testing, lighting equipment efficiency analysis, and field power quality assessment.
– Compatibility & Integration
• GP-IB interface supporting IEEE 488.2-1987 standard
• GP-IB window software control
• EMC Compliance: EN61326 Class A, EN55011 Group 1, Class A (industrial environments; may cause radio interference in residential settings)
• Recommended wire bundling: phases and neutral separation < 50 mm
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