Description
Introduction GW Instek GPS-3030D
The GW Instek GPS-3030D Linear DC Power Supply is engineered for professionals and students who demand precise, stable, and reliable DC power in laboratory and production environments. This 90W single-output power supply delivers a continuously adjustable output of 0–30V and 0–3A, making it the preferred instrument for electronics development, testing, and education. The GPS-3030D is trusted by engineers across Bangladesh and worldwide for its exceptional regulation performance, ultra-low ripple noise, GW Instek GPS-3030D Digital DC Power Supply is a high-precision 0–30V, 0–3A regulated linear power supply designed for laboratories, electronics repair, testing, and educational applications. It features digital voltage/current displays, Constant Voltage (CV) and Constant Current (CC) modes, low ripple output, and reliable overload protection for accurate and stable performance.
Specifications GW Instek GPS-3030D
| DC OUTPUT | |
| Output Voltage | 0 ~ 30V (continuously adjustable) |
| Output Current | 0 ~ 3A (continuously adjustable) |
| Maximum Output Power | 90W |
| Number of Outputs | 1 (Single Output) |
| CONSTANT VOLTAGE OPERATION | |
| Line Regulation | ≤0.01% + 3mV |
| Load Regulation (≤3A) | ≤0.01% + 3mV |
| Ripple & Noise (≤3A) | ≤0.5mVrms, 5Hz ~ 1MHz |
| Recovery Time | ≤100μS (50% load change, min. load 0.5A) |
| Temperature Coefficient | ≤300ppm/°C |
| Output Range | 0 to rating voltage, continuously adjustable |
| CONSTANT CURRENT OPERATION | |
| Line Regulation | ≤0.2% + 3mA |
| Load Regulation | ≤0.2% + 3mA |
| Ripple Current | ≤3mArms |
| Output Range | 0 to rating current, continuously adjustable (Hi/Lo range switchable) |
| DISPLAY & METERS | |
| Analog Meter | V-meter and I-meter, 2.5 class, 50 × 50mm |
| Digital Display | 3½ digit, 0.5″ LED display |
| Meter Accuracy | ±(0.5% of reading + 2 digits) |
| PROTECTION | |
| Overload Protection | Yes |
| Reverse Polarity Protection | Yes |
| INSULATION | |
| Chassis to Terminal | ≥20MΩ (DC 500V) |
| Chassis to AC Cord | ≥30MΩ (DC 500V) |
| POWER SOURCE | |
| AC Input Voltage | 100V / 120V / 220V / 240V ±10% |
| AC Input Frequency | 50 / 60Hz |
| PHYSICAL | |
| Dimensions (W×H×D) | 128mm × 145mm × 285mm |
| Weight | Approx. 5 kg |
| Chassis Material | Rugged metal housing |
| ACCESSORIES INCLUDED | |
| User Manual | × 1 |
| Power Cord | × 1 |
| Test Lead | GTL-105A × 1 (≤3A) or GTL-104A × 1 (≤10A) |
| Optional | European Test Lead GTL-203A / GTL-204A |
Key Features GW Instek GPS-3030D Linear DC Power Supply
- Single output, 90W linear DC power supply
- Output range: 0 to 30V and 0 to 3A, continuously adjustable
- Dual display: 2.5-class analog meters (V + A) AND 3½-digit 0.5″ LED digital display
- Ultra-low line regulation: ≤0.01% + 3mV for stable, precise output
- Ultra-low ripple and noise: ≤0.5mVrms (5Hz–1MHz) for clean DC
- Overload and reverse polarity protection for safe operation
- Hi/Lo current range switch for flexible current control
- Continuous or dynamic internal load selection for pulsed current applications
- Remote control terminals for external programming and operation
- Recovery time ≤100μS (50% load change, min. load 0.5A)
- Temperature coefficient ≤300ppm/°C for stable performance
- Universal AC input: 100V / 120V / 220V / 240V ±10%, 50/60Hz
- Compact, rugged metal chassis: 128(W) × 145(H) × 285(D) mm
Applications GW Instek GPS-3030D
- Electronics research and development (R&D) laboratories
- Academic and university electronics labs in Bangladesh
- PCB assembly, testing, and troubleshooting
- Microcontroller, Arduino, and Raspberry Pi development and powering
- Telecommunications equipment testing
- Automotive electronics diagnosis and repair
- Sensor, transducer, and actuator testing
- LED driver and lighting circuit development
- Battery charging research and simulation
- Production line QC testing for consumer electronics
- Pulsed current applications (dynamic internal load)
Who Uses This GW Instek GPS-3030D
- Electronics Engineers & R&D Professionals
- Development engineers use the GPS-3030D daily to power prototype circuits, test components, and validate designs. Its low ripple noise ensures measurement accuracy in sensitive RF and analog circuits.
- University & Polytechnic Students
- Students across Bangladesh’s engineering faculties rely on the GPS-3030D for lab practicals, project work, and final year projects. Its clear dual-display and intuitive controls accelerate the learning curve significantly.
- Hobbyists & Makers
- Hobbyists building DIY electronics, robotics projects, and home automation systems choose the GPS-3030D for its affordability, reliability, and professional-grade protection features.
- Service Technicians
- Electronics repair technicians use the GPS-3030D to simulate correct supply voltages during fault diagnosis of consumer electronics, mobile chargers, and industrial control boards.
- Production & Quality Control Teams
- Manufacturing QC teams use the GPS-3030D to conduct burn-in testing and verify that finished PCBs operate correctly within specified voltage and current limits before shipment.
Frequently Asked Questions (FAQ)
Q1: What is the maximum output power of the GW Instek GPS-3030D?
The GPS-3030D delivers a maximum output power of 90W, with an output voltage range of 0–30V and an output current range of 0–3A.
Q2: Does the GPS-3030D have both analog and digital displays?
Yes. The GPS-3030D features a 2.5-class analog V-meter and I-meter (50×50mm) alongside a 3½-digit 0.5″ LED digital display, giving users both a quick visual trend reading and a precise numeric readout simultaneously.
Q3: Does the GPS-3030D include overload protection?
Yes. The GPS-3030D includes both overload protection and reverse polarity protection, safeguarding the power supply and connected devices from accidental damage during testing.
Q4: Can the GPS-3030D accept Bangladesh’s standard AC supply (220V)?
Yes. The GPS-3030D accepts AC inputs of 100V, 120V, 220V, and 240V (±10%) at 50/60Hz. Bangladesh’s standard 220V/50Hz supply is fully compatible without any modification.
Q5: What does the Hi/Lo current range switch do?
The Hi/Lo current range switch allows users to select between a high-current range and a low-current range, enabling finer resolution and better control when working with sensitive low-current circuits.
Q6: Can the GPS-3030D operate under remote control?
Yes. Remote control terminals on the rear panel allow an external device — such as a computer or PLC — to program and control the output voltage and current remotely.
Q7: What is the ripple noise level of the GPS-3030D?
The GPS-3030D maintains an ultra-low ripple and noise level of ≤0.5mVrms across 5Hz to 1MHz (for currents ≤3A), making it suitable for noise-sensitive analog and RF applications.
Q8: Is the GPS-3030D available in Bangladesh with warranty?
Yes. ASTZBD supplies the GW Instek GPS-3030D in Bangladesh with an official manufacturer warranty. All units are genuine, tested, and ready to use right out of the box.
Why Buy from ASTZBD
- Authorized distributor of GW Instek test and measurement instruments in Bangladesh
- 100% genuine products — no counterfeit or grey-market risk
- Official manufacturer warranty honored on every unit
- Fast delivery across Dhaka and all major cities in Bangladesh
- Technical pre-sales support from knowledgeable engineers
- After-sales service and calibration support available
- Competitive pricing with transparent, no-hidden-cost invoicing
- Easy online ordering and secure payment options
- Trusted by universities, government labs, and leading electronics companies in Bangladesh
- Dedicated customer support team available via phone, email, and WhatsApp

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