Product Description:
The new generation of programmable power DC electronic load, using high-performance chips, high-speed, high-precision design, provides 1mV,1mA resolution modular design, easy maintenance and expansion. Built in high resolution and high precision measurement circuit, in large current and high power input at the same time, still has very high precision and resolution, so that your test results more accurate and convenient
The new generation of programmable high power DC electronic load with fixed voltage CV, fixed power CW, fixed current CC and fixed resistance CR mode, remote measurement, short circuit test, battery test and dynamic test functions, To meet your diverse testing needs, the JK9900 series electronic load has zui High performance-price ratio, is your application in the power supply and other power equipment testing zui The best choice
Performance characteristics :
■ Constant current, constant resistance, constant pressure, constant power, constant current and constant pressure,
■ Constant resistance and constant pressure, six high-speed action modes;
■ Over current, over voltage, over power, overheating, polarity reverse protection;
■ According to temperature changes, stepless servo intelligent fan system;
■ Circuit soft start time setting, according to the set voltage value with load;
■ Battery test and short-circuit function;
■ Provide dynamic test, rise and fall slope setting;
■ Support external trigger input, output;
■ Support remote voltage compensation, multiple data storage;
■ Startup self-test, software calibration, standard instrument rack design;
■ Support RS232,RS485 communication.
Application:
High power electronic load applications: widely used in production lines (mobile phone charger, mobile phone battery, electric vehicle battery, switching power supply, linear power supply), scientific research institutions, automotive electronics, aerospace; Ships, solar cells, fuel cells, etc
Technical parameters |
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Indicators/Models |
JK990 4 |
|
Enter |
EnterVoltage |
AC220V±10%, 50±20Hz |
Power consumption |
Less than 40W |
|
Load |
LoadVoltage |
1-150V |
LoadCurrent |
0- 4 0A ( Expandable 60 A) |
|
LoadPower |
4 00W |
|
LoadResistance |
0.1Ω-10000Ω |
|
Measure Resolution |
Current |
0.001A |
Voltage |
0.001V |
|
Resistance |
0.001Ω |
|
Power |
0.001W |
|
Measure精度 |
主Current |
Imax ±0.05% 4mA(24位A /D,15ppm /℃ |
主Voltage |
Vmax ±0.05% +4mV(24 bit A /D ,15ppm / ℃ 基准,Enter阻抗230KΩ) |
|
Control accuracy |
Current |
Imax ±0.1% 4mA(16位D/A,15ppm /℃ |
Voltage |
Vmax ±0.1% 4mV(16位D/A,15ppm /℃ |
|
Resistance |
Rmax ±0.1% 0.1Ω(16位D/A,15ppm /℃)—— |
|
Power |
Pmax ±0.1% 0.1W(16位D/A,15ppm /℃ |
|
Protect |
Overvoltage |
160V |
overtemperature |
85℃ |
|
过Power |
40 0W |
|
overcurrent |
4 0A |
|
Communication interface |
Program control interface |
RS232,RS485 |
Monitoring software |
Support PC online, official website directly download use (open communication protocol, support secondary development) |
|
Function |
Working mode |
定CurrentCC ,定VoltageCV,定ResistanceCR,定PowerCP |
常规Function |
Dynamic test (up to 10KHz), short circuit test , High precision battery test (amh AH, watt-hour WH) Battery discharge: constant resistance, constant current |
|
自动测试Function |
overcurrentProtect点/Protect时间测试,内阻测试,列表测试 |
|
扩展Function |
External trigger |
√
|
PASS,FAIL输出 |
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远端VoltageMeasure |
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Accessories |
RS232通讯线,Load大Current紫铜镀银冷压端子,通讯扩展端子、电源线、说明书、保修卡 |
|
Use ambient temperature range |
Full load range: 0~30℃ (derating over 30℃, derating rate 40W / ℃) |
|
Use the ambient humidity range |
10~60%RH |
|
DCEnter端对机箱耐压 |
±250VDC |
|
DCEnter端对机箱绝缘Resistance |
> 20MΩ,500VDC |
|
ACEnter端对机箱绝缘Resistance |
> 20MΩ,500VDC |