GPP-7250 Single-Channel Programmable DC Power Supply

Key Features

Single-channel programmable DC power supply
Output range: 0 V to 72 V / 0 V to 5 A
Maximum power output: 360 W
Standard interfaces LAN, USB, RS-232, Ext I/O
Optional GPIB interface for legacy system support
High precision voltage and current control
Built-in protection: OVP, OCP, OTP
Supports remote control and automation
Ideal for R&D, production, and QA testing

The GPP-7250 Single-Channel Programmable DC Power Supply is a robust and versatile power solution engineered for precision electronic testing and development environments. It offers a wide output voltage range from 0 to 72 V and a maximum current of 5 A, delivering up to 360 W of clean, regulated DC power through a single channel. This model is designed for both bench-top and system integration use, featuring high-resolution digital control, user-friendly interface, and accurate real-time readback of voltage, current, and power measurements. Equipped with standard communication interfaces including LAN (Ethernet), USB, RS-232, and external I/O, the GPP-7250 enables remote monitoring, control, and automation, enhancing test efficiency and flexibility. For advanced integration in legacy systems, an optional GPIB interface is also available. The power supply incorporates overvoltage, overcurrent, and overtemperature protection mechanisms, ensuring device safety and reliability during operation. Its programmable features include sequencing, ramping, and list modes, making it ideal for dynamic testing scenarios, while its compact design and intuitive front panel make it suitable for both novice users and experienced engineers in R&D labs, production lines, and quality assurance settings.

Specifications

		GPP-3610H	GPP-7250
OUTPUT MODE
Number of Channel		CH1	CH1
Voltage		0 ~ 36.000V	0 ~ 72.000V
Current		0 ~ 10.0000A	0 ~ 5.0000A
Constant Voltage Operation
Line Regulation		≤ 0.01% + 3mV
Load Regulation		≤ 0.01% + 5mV
Ripple & Noise (5Hz-1MHz)		≤2mVrms
Transient Recovery Time		≤100µs (50% load change，minimum load
Temperature Coefficient		≤ 300ppm/°C
CONSTANT CURRENT OPERATION
Line Regulation		≤ 0.01% + 3mA
Load Regulation		≤ 0.01% + 3mA
Ripple & Noise		≤ 2mArms
RESOLUTION
Programming	Voltage/Current	1mV / 0.2mA	2mV / 0.1mA
Reedback	Voltage/Current	0.1mV / 0.2mA	0.1mV / 0.1mA
METER
Full Scale	Voltage/Current	36.5000V / 10.2000A	72.5000V / 5.2000A
Programming Resolution	Voltage/Current	5 digits / 6 digits
Reedback Resolution	Voltage/Current	6 digits / 6 digits
Setting Accuracy	Voltage	± (0.03% of reading + 10mV)
	Current	± (0.3% of reading + 10mA)
Readback Accuracy	Voltage	± (0.03% of reading + 10mV)
	Current	± (0.3% of reading + 10mA)
DC LOAD MODE
Display	Voltage	1 ~ 36.50V	1 ~ 72.50V
	Current	0 ~ 10.200A	0 ~ 5.200A
	Power	0 ~ 100.00W	0 ~ 100.00W
CV Mode	CH1	1.500V ~ 36.50V	1.500V ~ 72.50V
	Setting/Reedback Accuracy	≤±(0.1% + 30mV)	≤±(0.1% + 30mV)
	Resoltion	10mV	10mV
CC Mode	CH1	0 ~ 10.200A	0 ~ 5.200A
	Setting/Reedback Accuracy	≤±(0.3% + 10mA)	≤±(0.3% + 10mA)
	Resoltion	1mA	1mA
CR Mode	CH1	1Ω ~ 1kΩ	1Ω ~ 1kΩ
	Setting/Reedback Accuracy	≤±(3% + 1Ω)	≤±(3% + 1Ω)
		(voltage≥0.1V, and current≥0.1A)	(voltage≥0.1V, and current≥0.1A)
	Resoltion	1Ω	1Ω
PROTECTION
OVP	Power Mode	OFF,ON(0.5V ~ 38.0V)	OFF,ON(0.5V ~ 75.0V)
	Load Mode	OFF,ON(1.5V ~ 38.0V)	OFF,ON(1.5V ~ 75.0V)
	Setting Accuracy	±100mV
	Resoltion	100mV
OCP	Power Mode	OFF,ON(0.05A ~ 10.5A)	OFF,ON(0.05A ~ 5.50A)
	Load Mode	OFF,ON(0.05A ~ 10.5A)	OFF,ON(0.05A ~ 5.50A)
	Setting Accuracy	±20mA
	Resoltion	10mA
Insulation Resistance		Between chassis and terminal : 20MΩ or above (DC 500V)
		Between chassis and DC power cord : 30MΩ or above (DC 500V)
GENERAL
Operation Environment		Indoor use, Altitude: ≤ 2000m
		Ambient temperature: 0 ~ 40°C / Relative humidity: ≤ 80%
		Installation category: II / Pollution degree: 2
Storage Environment		TEMPERATURE: -10˚C ~ 70˚C / HUMIDITY: ≤70%
Power Input		AC 100V/120V/220V/230V±10%, 50/60Hz
Power Consumption		900VA, 680W
Dimensions & Weight		213 (W) x 145 (H) x 362 (D) mm ; Approx. 10kg