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CH9720 Electronic Load Tester
CH9720 series electronic load adopts high-performance ARM processor and high-speed measuring circuit to ensure the accuracy of measurement; 4.3 inch TFT color screen supports Chinese-English interface, cooperates with carefully designed guide menu, and operates well; display information is rich and comprehensive, intuitive and convenient; it has a higher display resolution of 0.0001, which can more accurately monitor the voltage and current details of the products under test; some models have USB memory interface, which can save settings files conveniently and interoperate settings between instruments.
The instrument is equipped with RS232C interface, with a rich set of SCPI instructions, which can be easily connected to the computer for real-time data acquisition and instrument control.
Main Features:
- 360V wide voltage input, wider scope of application, can be widely used in non-isolated power supply testing
- The display parameters of 4.3 inch TFT color screen are comprehensive, clear and intuitive, and support the Chinese and English operation interface.
- Software update of U disk, data saving and screen capture function of U disk (CH9720BU/9720CU)
- Higher dynamic response speed for high-speed power supply testing.
- Standard RS232 interface, no special cable can be connected with the computer.
- Customers can purchase standard RS232 to USB interface at will, and do not need to buy manufacturer-specific connectors to save costs for users.
GA9720 Electronic Load Tester
Major Technical Indicators:
| نموذج | CH9720B | CH9720C | CH9720BU | CH9720CU | |
| Rated value | Input voltage | 0~360V | |||
| Input current | 0.1mA~30A | ||||
| طاقة الإدخال | 150دبليو | 300دبليو | 150دبليو | 300دبليو | |
| يتراوح | دقة | دقة | |||
|
Load accuracy |
0-36الخامس | ±(0.05%+0.03%خ.س) | 1mV | ||
| 0-360الخامس | ±(0.05%+0.03%خ.س) | 10mV | |||
| 0-3أ | ±(0.05%+0.05%خ.س) | 0.1أماه | |||
| 0-30أ | ±(0.05%+0.05%خ.س) | 1أماه | |||
| Rated voltage mode | 1.5V-36V | ±(0.05%+0.03%خ.س) | 1mV | ||
| 1.5V-360V | ±(0.05%+0.03%خ.س) | 10mV | |||
| Rated current mode | 0-3أ | ±(0.05%+0.05%خ.س) | 0.1أماه | ||
| 0-30أ | ±(0.05%+0.05%خ.س) | 1أماه | |||
|
Rated resistance mode
|
0.05Ω-5Ω | ±(0.2%+0.2%خ.س) | 0.001أوه | ||
| 0.5Ω-50Ω | ±(0.1%+0.1%خ.س) | 0.01أوه | |||
| 5Ω-500Ω | ±(0.1%+0.1%خ.س) | 0.1أوه | |||
| 500Ω-5KΩ | ±(1%+1%خ.س) | 1أوه | |||
|
Rated power mode |
0-50دبليو | ±(0.1%+0.1%خ.س) | 1mW | ||
| 0-150دبليو | ±(0.1%+0.1%خ.س) | 10mW | |||
| 0-300دبليو | ±(0.1%+0.1%خ.س) | 0.1 دبليو | |||
| Voltage measurement accuracy | 0-9.9999الخامس | ±(0.05%+0.03%خ.س) | 0.1mV | ||
| 10.000-99.999الخامس | ±(0.05%+0.03%خ.س) | 1mV | |||
| 100.00-360.00الخامس | ±(0.05%+0.03%خ.س) | 10mV | |||
| Current measurement دقة |
0-9.9999أ | ±(0.05%+0.05%خ.س) | 0.1أماه | ||
| 10.000-30.000 | ±(0.05%+0.05%خ.س) | 1أماه | |||
| Battery test function | Input= 0.8-360V Max measurement capacity= 999A/H Resolution=0.1mA Timer range=1~60000ثانية |
||||
| Dynamic test mode | A or B test time:0.05mS-999S Error<2.5% + 0.05mS | ||||
| U disk storage | NO | YES | |||
| Impedance in the input terminal | ≥200KΩ | ||||
| أبعاد | W*H*D 215mm*88mm*350mm | ||||
| وزن | 5.5كلغ | 6.5كلغ | 5.5كلغ | 6.5كلغ | |
Brief description of other functions:
| Model/Parameter | CH9720B | CH9720BU | CH9720C | CH9720CU | |
| Voltage range | 360الخامس | ||||
| وضع العرض | 4.3 inch TFT color screen | ||||
| System and Menu Language | Chinese and English optional | ||||
| Current range | 30أ | ||||
| Power range | 150دبليو | 300دبليو | |||
| Basic measurement accuracy | 0.05% | ||||
| دقة العرض | 0.1mV/0.1mA | ||||
| Basic measurement mode | CC,CV,CR,CP,SHORT | ||||
| CR-LED Test Mode | YES | ||||
| Battery test mode | YES | ||||
| Programming List Test | YES | ||||
| Distal measurement function | YES | ||||
| Dynamic test time | 20KHz/0.05ms | ||||
| Display of Battery Discharge Curve | YES | ||||
| PASS/FAIL Signal Output | YES | ||||
| U-disk firmware upgrade function | YES | ||||
| U-disk Data Storage and Screen Capture | NO | YES | NO | YES | |
| RS232C interface | Standard Fully Isolated 232 واجهه المستخدم, Common Connection Line | ||||
| USB interface selection | Common 232 to USB Interface | ||||











