Yokogawa WT1600 Digital Power Meter

The Yokogawa WT1600 is a precision digital power meter for AC and DC power measurements across DC to 1 MHz. It measures voltage (1.5 V to 1000 V), current via internal elements (10 mA to 50 A) or external sensors (50 mV to 10 V), and delivers ±0.1% basic power accuracy. The instrument accommodates up to six input elements in a single unit for multi-phase analysis, with the option to synchronize two units for 12 total inputs.

Technical Specifications

• Basic power accuracy: ±0.1%


• Frequency range: DC, 0.5 Hz to 1 MHz


• Voltage input: 1.5 V to 1000 V


• Current input (5 A element): 10 mA to 5 A (DC, 0.5 Hz to 1 MHz)


• Current input (50 A element): 1 A to 50 A (DC, 0.5 Hz to 100 kHz)


• External current sensor input: 50 mV to 10 V (DC, 0.5 Hz to 500 kHz)


• Input elements: Up to six per unit; two units synchronizable for 12 total inputs


• Internal memory: 11 MB with data storage intervals as short as 50 ms


• Assured accuracy maintained from 0% to 100% of rated range; 10 mA minimum for 1 A current range

Key Features

• Harmonic analysis: Bar graphs, vectors, and lists up to the 100th harmonic order from 50/60 Hz fundamental


• Waveform display: Eleven selectable formats on a single unit


• Trend display: Time-series monitoring of up to 16 parameters simultaneously with adjustable T/div from 3 seconds to 24 hours


• Integration function for rapid input signal changes


• Motor evaluation (optional): Speed, torque sensor integration for torque, rotating speed, mechanical power, synchronous speed, slip, and motor/total efficiency calculation


• Configurable input elements: 50 A, 5 A, or mixed combinations

Typical Applications Electrical engineering research, multi-phase power system analysis, harmonic characterization, motor efficiency testing, and transient waveform capture across industrial and laboratory environments.

Compatibility & Integration Two WT1600 units synchronize via measure start/stop function for extended measurement capacity. External current sensors interface through dedicated 50 mV to 10 V inputs.