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CH9720B&CH9720BU&CH9720C&CH9720CU
CH9720B&CH9720BU&CH9720C&CH9720CU

CH9720B&CH9720BU&CH9720C&CH9720CU

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.  
Product Detail

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.


Major Technical Indicators:


Model

CH9720B

CH9720C

CH9720BU

CH9720CU

Rated value

Input voltage

0~360V

Input current

0.1mA~30A

Input power

150W

300W

150W

300W

Range

Accuracy

Resolution

Load accuracy

0-36V

±(0.05%+0.03%FS)

1mV

0-360V

±(0.05%+0.03%FS)

10mV

0-3A

±(0.05%+0.05%FS)

0.1mA

0-30A

±(0.05%+0.05%FS)

1mA

Rated voltage mode

1.5V-36V

±(0.05%+0.03%FS)

1mV

1.5V-360V

±(0.05%+0.03%FS)

10mV

Rated current mode

0-3A

±(0.05%+0.05%FS)

0.1mA

0-30A

±(0.05%+0.05%FS)

1mA

Rated resistance mode

0.05Ω-5Ω

±(0.2%+0.2%FS)

0.001Ω

0.5Ω-50Ω

±(0.1%+0.1%FS)

0.01Ω

5Ω-500Ω

±(0.1%+0.1%FS)

0.1Ω

500Ω-5KΩ

±(1%+1%FS)

Rated power mode

0-50W

±(0.1%+0.1%FS)

1mW

0-150W

±(0.1%+0.1%FS)

10mW

0-300W

±(0.1%+0.1%FS)

0.1 W

Voltage measurement accuracy

0-9.9999V

±(0.05%+0.03%FS)

0.1mV

10.000-99.999V

±(0.05%+0.03%FS)

1mV

100.00-360.00V

±(0.05%+0.03%FS)

10mV

Current measurement
accuracy

0-9.9999A

±(0.05%+0.05%FS)

0.1mA

10.000-30.000

±(0.05%+0.05%FS)

1mA

Battery test function

Input= 0.8-360V Max measurement capacity= 999A/H
Resolution=0.1mA Timer range=1~60000sec

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

Dimensions

W*H*D 215mm*88mm*350mm

Weight

5.5Kg

6.5Kg

5.5Kg

6.5Kg


Brief description of other functions:


Model/Parameter

CH9720B

CH9720BU

CH9720C

CH9720CU


Voltage range

360V

Display mode

4.3 inch TFT color screen

System and Menu Language

Chinese and English optional

Current range

30A

Power range

150W

300W


Basic measurement accuracy

0.05%

Display resolution

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 Interface, Common Connection Line

USB interface selection

Common 232 to USB Interface

Make Video:

CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE0OTk3NDQxMg==.html?spm=a2h3j.8428770.3416059.1


CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE0OTk4MDQ5Ng==.html?spm=a2h3j.8428770.3416059.1


CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE1MDAwNTU3Mg==.html?spm=a2h3j.8428770.3416059.1


CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE1MDAwMDA1Ng==.html?spm=a2h3j.8428770.3416059.1


CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE0OTk5NzAxMg==.html?spm=a2h3j.8428770.3416059.1


CH9720B/CH9720CSeries of list manipulation videos

http://v.youku.com/v_show/id_XMzE1MDAxMTc2NA==.html?spm=a2h3j.8428770.3416059.1


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