CH9720B&CH9720BU&CH9720C&CH9720CU-CHANGZHOU BEICH Electronic Technology Co., Ltd

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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. 　

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Product Detail

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)		1Ω
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	WHD 215mm88mm350mm
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

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