Product Description
Digital DC Power Supply
Brand: GW-instek
Model: GPS-4303C
Country of origin: Taiwan
Country of manufacture: China
Features:
- 4 sets of independent DC power output
- Four 3-digit displays can display two sets of voltage and current at the same time
- Automatic series and automatic parallel synchronous operation
- Constant voltage and constant current operation
- Low ripple and noise
- Overload and reverse polarity protection
- Selectable continuous/dynamic load
- Output Enable/Disable control
- Temperature control cooling fan speed

Technical Specification:
Rated output:
- Voltage: CH1&CH2:- 0~30V, CH3&CH4:- 2.2~5.2V, 8~15V
- Current: CH1&CH2:- 0~3A, CH3&CH4:- 1A Max
- Serial Voltage: 0~60V
- Parallel Current: 0~6A
CONSTANT VOLTAGE OPERATION (CH1, CH2):
- Line Regulation: < 0.01% + 3mV
- Load Regulation: < 0.01% + 3mV (rating current< 3A), < 0.02% + 5mV (rating current > 3A
- Ripple & Noise: < 1mVrms 5Hz ~ 1MHz
- Recovery Time: < 100μS (50% Load change, Minimum load 0.5A)
CONSTANT CURRENT OPERATION (CH1, CH2):
- Line Regulation: < 0.2% + 3mA
- Load Regulation: < 0.2% + 3mA
- Ripple & Noise: < 3mArms
TRACKING OPERATION (CH1, CH2):
- Tracking Error: < 0.5% + 3mV of CH1
- Series Regulation: < 300mV
- Load Regulation: < 0.01% + 3mV
- Ripple & Noise: < 2mVrms 5Hz ~ 1MHz
- 2.2V ~ 5.2V output (CH3) (for GPS-3303C/4303C):
- Line Regulation: < 5mV
- Load Regulation: < 15mV
- Ripple & Noise: < 2mVrms, 5Hz ~ 1MHz
- Voltage Accuracy: + 5% of rdg
- Current Output: 1A
8V ~ 15V Output (CH4) (for GPS-4303C):
- Line Regulation: < 5mV
- Load Regulation: < 10mV
- Ripple & Noise: < 2mVrms, 5Hz ~ 1MHz
- Voltage Accuracy: + 5% of rdg
- Current Output: 1A
METER:
- Digital: 3 digits 0.5" LED display, GPS-4303C Out ON accuracy ± (0.5% of rdg + 2 digits)
INSULATION:
- Chassis & Terminal: >DC 500V / 20MΩ
- Chassis & AC Cord: >DC 500V / 30MΩ
POWER SOURCE:
- AC 100V/120V/220V/240V+10%, 50/60Hz
ACCESSORIES:
- Operation Manual x 1, Power Cord x 1, Test Lead GTL-104 x 2, GTL-105 x 2
DIMENSIONS & WEIGHT:
- 255(w) x 145(h) x 265(d) mm, Approx 7kg
COMPANY
Paramount Concord(3rd floor),
9, Tikatuly, Dhaka-1203
Cell: 01848-305111 , Tel: +88-02-41051837 , Fax: +88-02-9511114, Email: atsbd.dk@gmail.com or ats@atsdhaka.com , www.atsdhaka.com
Cell: 01848-305111 , Tel: +88-02-41051837 , Fax: +88-02-9511114, Email: atsbd.dk@gmail.com or ats@atsdhaka.com , www.atsdhaka.com
Our Services
Lab Establishment / Project Consultancy
Sales with Technial Support
Quick Delivery & Installation
Comprehensive Training
After Sales Support
24-Hours Online Technical Support