I. Product Overview 
 Charging machine characteristics tester HDGC3961 is designed in accordance with national requirements on the DC power supply for operation and maintenance, inspection and testing can be achieved on the different capacity charger and battery capacity, and the accurate and reliable testing of the substation DC regulation accuracy of the power system, the accuracy of the steady flow, the ripple coefficient and other parameters. 
 Second, the function 
 ? Comprehensive test functions: test DC current measurement, the measurement of DC voltage, AC voltage measurement and the measurement of ripple voltage regulation accuracy and calculate the accuracy of the steady flow regulator ripple coefficient and the steady flow ripple factor. 
 ? Regulator precision measurement capabilities: AC input voltage ± 10% range of changes in the rated voltage, load current in the 0 to 100% of rating changes, the DC output voltage is within the adjustment range of any number of its regulator accuracy. 
 ? Steady flow accuracy measurement: ± 10% range of changes in the rated voltage, output current value of 20% to 100% rating, charging voltage of the AC input voltage changes within the adjustment range of the specified steady flow accuracy. 
 ? Ripple precision measurement functions: DC voltage charging device output, the fluctuating values ??of peaks and valleys of the poor half of the average DC output voltage, calculate the regulator ripple coefficient and the steady flow ripple coefficient. 
 ? Battery discharge function: digital control constant current discharge, automatic real-time monitoring battery voltage, battery discharge measure DC current, and measuring DC voltage and discharge time, and calculate the discharge capacity. 
 ? Automatic protection function: minimum protection by setting the battery pack voltage, the discharge capacity, discharge time of three door alarm and automatic protection. 
 ? Data analysis capabilities: via the PC software, testing systems analysis. 

 Third, the product features 
 ? Large-screen LCD display, full-finished interface, man-machine dialogue operation, easy to use. 
 ? Automatic test: only in accordance with the technical specifications of the charger to set test parameters, the device can be fully automated to complete the adjustment of the AC voltage, a load resistor, the parametric test, automatically record test values ??and to stop testing. 
 ? Automatically online real-time detection, recording the battery voltage. 
 ? Automatic test protection features: in the testing process, testing the whole battery exception to the automatic termination of the test, to prevent excessive battery discharge completely avoid the impact of the equipment; according to the need for artificial termination of ongoing test process. 
 ? Data into the computer can be a storage management, preservation and analysis of long-term historical data. 

 Fourth, technical indicators 
 ? Separate three-phase voltage regulator devices and discharge measured load. 
 ? Three-phase voltage regulator device power: 15KVA Rated current: 50A 
 ? Ambient temperature: -20 ℃ +55 ℃ 
 ? Load discharge measurement: 
 ? Working power supply: AC220V ± 15% Frequency 50HZ 
 ? Rated discharge current: ≤ 50A (current can be customized) 
 ? DC voltage Vdc: 0 ~ 280V ± 0.5% 
 ? Ripple voltage Vpp: 0 ~ 10V ± 0.5% 
 ? DC current measurement: 0 ~ 50A ± 1% 
 ? Discharge current: 0 to 50A 
 ? Memory capacity: 128M bit FLASH 
 ? Display: 320 × 240 color graphics LCD + Touch Screen 
 ? Communications Interface: USB 
 ? Dimensions and weight: the main unit of the master device size: 500 × 360 × 420 (mm) Weight: 15Kg 
 Regulating device size: 260 × 350 × 600 (mm) regulating device Weight: 18Kg 
 ? Applicable voltage rating: 110V and 220V (48V system, current 200A, marked on order) 
 Fifth, the instrument configuration 
 No. Name Number Remarks 
 1 charger features tester 
 U disk 1 
 3 discharge cable red, black 
 4 voltage monitor line 1 
 AC220V power line 1 
 6 Manual 1 
 7 PC software CD 1 
 Aluminum box 1