●Embedded Linux operating system  

●Able to test 110V or 220V battery charger(voltage stabilizing accuracy, current stabilizing accuracy, ripple factor etc.)

●Able to test discharge of 110V or 220V battery bank

●Able to monitor the charging process of battery bank

●Able to monitor the voltage change of battery cell by wireless communication mode in charging or discharging process

●Patented load technology to ensure high-precision and adjustable constant-current discharge

●Patented 3-phase AC voltage regulator to adjust AC380V supply voltage of battery charger automatically

●Able to connect extra load unit to increase discharge current

●Multiple control modes: manual control, remote network control, computer control

●Multiple and reliable fault protection measures and self-check

1)Specifications of Host

◇Voltage of applicable battery bank: 220VDC, 110VDC    

◇Voltage of applicable single cell: 2V, 6V, 12V

◇Discharge current of host: 0~50A@220V, 0~50A@110V

◇Max. discharge current of extra load module: 130A@220V, 65A@110V

◇Number of combined load module: 0~4

◇Constant current accuracy: ±1 %      

◇Voltage measurement accuracy: ±0.5 %

◇Communication port: USB, Ethernet

2)Specifications of 3-phase Electronic Voltage Regulator

◇Rated power: 15kVA    

◇Rated current: 30A

◇Measurement accuracy: ±0.5 %

◇Environment temperature: -20~+50℃

3)Wireless Battery Measuring System

◇Modulation mode: GFSK

◇Working frequency: 428~434MHZ

◇Transmitting power: <10dBm

◇Receiving sensitivity: -100dBm

◇Transmitting current: <30mA

◇Receiving current: <12mA

◇Transmission speed: 100kbps

◇Transmission distance: <50m

◇Voltage measurement accuracy: >0.5%   

◇Working power source: DC 3~18V

Substation DC System Tester VAFDT220 is ideal test equipment for DC System testing on site.