• Use as a single-phase power meter
• Measure phase on a single-phase line
• Simple checking of three-phase lines
• Check power supply fluctuations
• For harmonic suppression
• External output of data to PC
• Printer output to 9442 (optional)

Functionality and Safety Packed into a Handheld Unit
The 3286-20's three-phase power measurement method calculates and displays the power values for a balanced sine wave input at 50/60 Hz.