GPP-3323 (LAN) Multi-Output Programmable D.C. Power Supply

Key Features

217W total output power across three independent channels
LAN connectivity for remote control and monitoring
Programmable voltage and current settings for each channel
High resolution and accuracy for precise testing
Built-in protections: OVP, OCP, OTP
User-friendly interface with clear LCD display
Supports series, parallel, and independent output modes
Compact design ideal for lab and industrial use

The GPP-3323 (LAN) is a versatile and high-performance three-channel programmable DC power supply designed for demanding testing and development applications. With a total output power of 217W, it delivers precise and reliable DC voltage and current, supporting independent control of each channel. Each channel provides adjustable voltage and current settings, allowing users to configure the power supply to meet the requirements of complex testing setups. The GPP-3323 features built-in LAN (Ethernet) connectivity for seamless remote control and monitoring, enabling automation of test procedures and integration into larger systems. Its intuitive interface, coupled with advanced protection features such as overvoltage, overcurrent, and overtemperature safeguards, ensures safe and efficient operation. This power supply is ideal for research and development, production testing, and educational purposes, offering a combination of flexibility, accuracy, and convenience for a wide range of applications.

GPP-Series Specifications

The specifications apply under the following conditions: The GPP-Series is powered on for at least 30 minutes, within

+20°C~+30°C.

Model	GPP-4323				GPP-3323			GPP-2323		GPP-1326
Output Mode
Number of Channel	CH1	CH2	CH3	CH4	CH1	CH2	CH3	CH1	CH2	CH1
Voltage	0~32V	0~32V	0~5V	0~15V	0~32V	0~32V	1.8/2.5/3.3/5.0V	0~32V	0~32V	0~32V
Current	0~3A	0~3A	0~1A	0~1A	0~3A	0~3A	5A	0~3A	0~3A	0~6A
Tracking Series Voltage	0~64V				0~64V			0~64V
Tracking Parallel Current	0~6A				0~6A			0~6A
Constant Voltage Operation
Line Regulation	≦0.01%+3mV
Load Regulation	≦0.01%+3mV(rating current≤3A)
	≦0.02%+5mV(rating current > 3A)
Ripple & Noise(5Hz – 1MHz)	≤350μVrms		≤1mVrms		≤350μVrms		≤2mVrms	≤350μVrms		≤500μVrms
Recovery Time	≦50μs				≦50μs		≦ 100us	≦50μs		≦100μs
Constant Current Operation
Line Regulation	≦0.2%+3mA
Load Regulation	≦0.2%+3mA
Ripple & Noise	≦2mArms				≤2mArms			≤2mArms		≤4mArms
Programming Resolution
Programming voltage resolution	1mV				1mV		–	1mV		1mV
Programming current resolution	0.1mA				0.1mA		–	0.1mA		0.2mA
Tracking Operation(CH1,CH2)
Tracking Error	≦0.1%+10mV of Master(0~32V, No Load , with Load add load regulation≦100mV)
Parallel Regulation	Line: ≦0.01%+3mV
	Load:≦0.01%+3mV(rating current≦3A)
	≦0.02%+5mV(rating current＞3A)
Series Regulation	Line: ≦0.01%+5mV
	Load:≦100mV
Ripple & Noise(5Hz – 1MHz)	≤1mVrms
CH3 Operation for (3323)
Output Voltage	1.8V/2.5V/3.3V/5.0V, ±5%
Output Current	5A
Line Regulation	≦3mV
Load Regulation	≦5mV
Ripple & Noise	2mVrms(5Hz~1MHz)

Transient recovery time	100us
USB Port Output	1.8V/2.5V/3.3V/5.0V, ±0.35V, 3A
Meter
Voltage Resolution	0.1mV		0.1mV	–	0.1mV	0.1mV
Current Resolution	0.1mA		0.1mA		0.1mA	0.2mA
Setting Accuracy	≤±(0.03% + 10mV)		≤±(0.03% + 10mV)	–	≤±(0.03% + 10mV)	≤±(0.03% + 10mV)
Setting Accuracy	≤±(0.30% + 10mA)		≤±(0.30% + 10mA)	–	≤±(0.30% + 10mA)	≤±(0.30% + 10mA)
Readback Accuracy	≤±(0.03% + 10mV)		≤±(0.03% + 10mV)	–	≤±(0.03% + 10mV)	≤±(0.03% + 10mV)
Readback Accuracy	≤±(0.30% + 10mA)		≤±(0.30% + 10mA)	–	≤±(0.30% + 10mA)	≤±(0.30% + 10mA)
DC load Characteristic
Channel	2	–	2	–	2	1
Display power	0~50.00W	–	0~50.00W	–	0~50.00W	0~100.00W
Display voltage	1~33.00V	–	1~33.00V	–	1~33.00V	1~33.00V
Display current	0~3.200A	–	0~3.200A	–	0~3.200A	0~ 6.200A
CV mode setting Range	1.500V ~ 33.00V	–	1.500V ~ 33.00V	–	1.500V ~ 33.00V	1.500V~33.00V
Resolution	10mV	–	10mV	–	10mV	10mV
Set Accuracy	≦0.1%+30mV	–	≦ 0.1%+30mV	–	≦0.1%+30mV	≦0.1%+30mV
Read Accuracy	≦0.1%+30mV	–	≦ 0.1%+30mV	–	≦0.1%+30mV	≦0.1%+30mV
CC mode setting Range	0 ~ 3.200A	–	0 ~ 3.200A	–	0 ~ 3.200A	0~ 6.200A
Resolution	1mA	–	1mA	–	1mA	1mA
Set Accuracy	≦0.3%+10mA	–	≦ 0.3%+10mA	–	≦0.3%+10mA	≦0.3%+10mA
Read Accuracy	≦0.3%+10mA	–	≦ 0.3%+10mA	–	≦0.3%+10mA	≦0.3%+10mA
CR mode setting Range	1 ~ 1K ohm	–	1 ~ 1K ohm	–	1 ~ 1K ohm	1 ~ 1K ohm
Resolution	1 ohm	–	1 ohm	–	1 ohm	1 ohm
Set Accuracy	≦0.3%+1 ohm (Voltage≧	–	≦0.3%+1 ohm (Voltage ≧	–	≦0.3%+1 ohm (Voltage≧	≦0.3%+1 ohm (Voltage≧
Read Accuracy	0.1V, and current≧ 0.1A)	–	0.1V, and current≧ 0.1A)	–	0.1V, and current≧ 0.1A)	0.1V, and current≧0.1A)
Insulation
Chassis and Terminal	20MΩ or above (DC 500V)
Chassis and AC Cord	30MΩ or above (DC 500V)
Environment Condition
Operation Temp	0~40℃
Storage Temp	-10~70℃
Operating Humidity	≦80% RH
Storage Humidity	≦70% RH
Other
Power Source	AC100V/120V/220V/230V±10%; 50/60Hz

Accessories

User Manual x 1 , Power cord x 1
GPP-1326 Test Lead GTL-104A x 1, GTL-105A x 1
GPP-2323 Test Lead GTL-104A x 2
GPP-3323 Test Lead GTL-104A x 3
GPP-4323 Test Lead GTL-104A x 2, GTL-105A x 2

European Test Leads:
GPP-1326 GTL-203A x 1, GTL-204A x 1, GTL-201A x 1
GPP-2323 GTL-204A x 2, GTL-201A x 1
GPP-3323 GTL-204A x 3, GTL-201A x 1
GPP-4323 GTL-203A x 2, GTL-204A x 2, GTL-201A x 1

Optional Accessories
GTL-246 USB Cable

GRA-449-J Rack Mount Kit(JIS)
GRA-449-E Rack Mount Kit(EIA)

Options(Manufacturer Installed Only)
LAN Interface; GPIB+LAN Interface

GPP-3323 (LAN) Multi-Output Programmable D.C. Power Supply