FGM-3531 In-Situ Single Phase Meter Tester

The FGM-3531 is a highly portable, single-phase, Watt-hour meter calibrator, specifically designed to be used in the field. It clamps onto any power cable entering the Watt-hour meter under test, and thus does not require the meter to be taken out of service.

• Allows for on-site calibration of single-phase inductive and electronic Watt-hour meters, without the need to disconnect the meter.
• Automatic photo-electric and manual calibration are available
• Swappable clamp current transformer of different ranges
• Power pulse output function for easy calibration of the device
• Compact size and lightweight allow for portability
• Storage for 99 pairs of on-site calibration data
• Simple, quick user interface and large LCD display allow for ease of use
• Overvoltage protection
• The device is built on a digital signal processor, thus ensuring high accuracy

• Watt-hour Calibration Mode
• RMS Voltage
• RMS Current
• Frequency
• Apparent Power, Active Power, and Reactive Power
• Power Factor