Feature
• Touch-screen (TFT) and keyboard synchronous operation
• Single-phase and three-phase measurement, two in one
• Test all metering units and power meters of both high and low volt under 10KV
• Combination of electricity meter tester and power quality analyzer
• Online monitor for real-time data testing and comparison 
• Safe and quick measurement for electricity anti-theft meter error
• Test result playback on screen and transferable to PC for report printing
• User-friendly interface and vivid screen display, simplify on-site testing of industrial and residential billing meters
• Different units could be used simultaneously in the circuit for comprehensive testing and troubleshooting

Technical Parameter
Voltage signal input: Direct input
• Resistance: >2MΩ, 20pF
• Testing range: 10~700Vrms
• Peak voltage: 1000V
• Power consumption: <0.5VA/phase
Current input circuit
• Indirect input, with different current clamps
• Testing range: 20Arms, 500Arms, 1000Arms
• Power consumption: <2.0VA/phase
Frequency range: 40 Hz ~70Hz
• Screen: 320*240, 5.7' TFT LCD touch-screen
• Internal Memory: 16 MB Flash
• External Memory: 256MB
• Com port: USB port
• Power supply: rechargeable Li-ion battery
workable for 5~6 hours
• Power adaptor: AC100~240V/DC16.8V-1A adaptor
                                                   
• Main unit: 1.2kg, 277x169x36mm
• Working temperature: -20~40℃
• Relative humility: 5~90%RH
• Insulation: >2MΩ, AC1500V/50Hz, 1 min
Communication between main unit and extension unit
• Transmitting frequency: 433MHz
• Communication distance: >800 meters
• Frequency modulation: FSK
Optional thermal printer for instant print-out

Example of Application 

This is application in high-volt metering unit with multiple units working simultaneously.
It is also applicable in other metering units and power meters.

Functionality