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Brief Introduction
CH9711 + Series electronic load is an upgraded product of CH9711. It is built by our company on the basis of extensive user feedback and professional accumulation of electronic load for many years.
The newly designed circuit uses 500kHz high-speed sampling AD and high-speed DA to ensure the measurement speed and accuracy.
The resolution of 0.1mV/0.1mA can more effectively monitor the detailed changes of voltage and current and make it applicable in the testing field.
Wider test results are better, highlighted VFD makes the display clear and intuitive, menu and display content continue the original electronic load series easy to understand and simple operation style, make the use of handy.
Keyboard with operation status indicator, working status at a glance. Complete testing function is very humanized, greatly improving production efficiency.
RS232 interface protocol is fully compatible with the original series of electronic loads, so that system updating is no longer cumbersome.
Main features:
High-brightness high-visibility vacuum fluorescence VFD display, clear and comprehensive High Display Resolution with Voltage 0.1mV and Current 0.1mA
Loading, unloading, slowly rising and slowly falling function, effectively reducing the instantaneous impact of power supply
CR-LED measurement mode, fully simulating the on-load characteristics of LED power supply.
OCP, OPP measurement function, accurate capture of critical parameters
The battery test mode can automatically record the discharge time and capacity.
High-speed dynamic switching time of 0.025mS can effectively investigate the dynamic response of power supply, and has the control of rising and falling edges.
List test can flexibly combine test mode and time to judge test results.
Remote voltage measurement function with external start/trigger and HANDLER interface signal output
Standard cabinet size for ease of shelf mounting
Major Technical Indicators:
Major Technical Indicators:
Model |
CH9711 |
CH9712 |
CH9711A |
CH9712A |
CH9711B |
CH9712B |
|
Rated value |
Input voltage |
0~120V |
0~500V |
0~60V |
|||
Input current |
1mA~30A |
1mA~30A |
1mA~60A |
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Input power |
150W |
300W |
150W |
300W |
150W |
300W |
|
Range |
Accuracy |
Resolution |
Accuracy |
Resolution |
Accuracy |
Resolution |
|
Load accuracy |
0-18V |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
0-120V/500V |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
|
0-3A |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
|
0-30A/60A |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
|
Rated voltage mode |
1.5V-18V |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
1.5V-120V/500V |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
|
Rated current mode |
0-3A |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
0-30A/60A |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
|
Fixed Resistance mode |
0.05Ω-5Ω |
±(0.2%+0.2%FS) |
0.001Ω |
±(0.2%+0.2%FS) |
0.001Ω |
±(0.2%+0.2%FS) |
0.001Ω |
0.5Ω-50Ω |
±(0.1%+0.1%FS) |
0.01Ω |
±(0.1%+0.1%FS) |
0.01Ω |
±(0.1%+0.1%FS) |
0.01Ω |
|
5Ω-500Ω |
±(0.1%+0.1%FS) |
0.1Ω |
±(0.1%+0.1%FS) |
0.1Ω |
±(0.1%+0.1%FS) |
0.1Ω |
|
500Ω-5KΩ |
±(1%+1%FS) |
1Ω |
±(1%+1%FS) |
1Ω |
±(1%+1%FS) |
1Ω |
|
Fixed Power mode |
0-50W |
±(0.1%+0.1%FS) |
1mW |
±(0.1%+0.1%FS) |
1mW |
±(0.1%+0.1%FS) |
1mW |
0-150W |
±(0.1%+0.1%FS) |
1 0mW |
±(0.1%+0.1%FS) |
10mW |
±(0.1%+0.1%FS) |
1 0mW |
|
0-300W |
±(0.1%+0.1%FS) |
0.1W |
±(0.1%+0.1%FS) |
0.1 W |
±(0.1%+0.1%FS) |
0.1 W |
|
Voltage measurement accuracy |
0-9.9999V |
±(0.05%+0.03%FS) |
0.1mV |
±(0.05%+0.03%FS) |
0.1mV |
±(0.05%+0.03%FS) |
0.1mV |
10.000-99.999V |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
±(0.05%+0.03%FS) |
1mV |
|
100.00-120.00V/500.00V |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
±(0.05%+0.03%FS) |
10mV |
|
Current measurement accuracy |
0-9.9999A |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
±(0.05%+0.05%FS) |
0.1mA |
10.000-30.000/60.000A |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
±(0.05%+0.05%FS) |
1mA |
|
Battery test function |
Input= 0.8-120V/500V Max measurement capacity= 999A/H |
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Dynamic test mode |
T1&T2(A or B test time):0.1mS-999S Error<2.5% + 0.1mS |
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Protection range |
>specified condition 5% |
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Impedance in the input terminal |
≥200KΩ |
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Dimensions |
W*H*D 230mm*100mm*350mm |
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Weight |
6.5Kg |
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Chuangkai Electronic Co., Ltd is leading company specialized in producing, developing & selling various types of measuring instruments and testing equipment, such as temperature data logger, LCR meter, DC resistance tester (micro ohm meter), digital power meter, power supply, transformer tester, battery tester, programmable DC electronic load, charger, temperature controller, tachometer, high voltage signal-amplifier, power amplifier, etc.