OWON SPM3051 DC Power Multimeter 30V 5A 150W | Source Measure Unit SMU

OWON SPM3051 1-Channel DC Power Multimeter – Precision Source & Measurement Unit

The OWON SPM3051 DC Power Multimeter is a versatile source and measurement unit (SMU) that combines a precision DC power supply and digital multimeter in a single compact instrument. Designed for engineers, laboratories, electronics development, and automated test environments, the SPM3051 allows users to simultaneously source voltage/current while measuring electrical parameters with high accuracy.

With its dual-function capability, the SPM3051 simplifies test setups by combining the functions of a precision DC power supply and a digital multimeter in a single compact instrument. By replacing separate instruments, it reduces bench space requirements and streamlines measurement workflows, enabling efficient characterization of electronic components and circuits. The instrument supports both voltage and current sourcing together with comprehensive measurement functions such as voltage, current, resistance, diode testing, continuity testing, and capacitance measurement, making it highly suitable for electronics development, circuit verification, and troubleshooting tasks.

The intuitive front-panel interface and clear high-resolution display provide real-time readings of output voltage and current, allowing users to monitor test conditions at a glance. Adjustable output parameters and built-in protection features ensure stable and reliable operation during testing. In addition, programmable output functions allow users to create flexible test scenarios, making the SPM3051 an effective solution for laboratory research, product development, and production testing environments.

Applications

The OWON SPM3051 Power Multimeter is suitable for a wide range of professional and educational applications:

Electronic component characterization
Semiconductor testing
Power supply verification
Sensor and module testing
Engineering laboratories
Electronics education
Automated production testing
Repair and troubleshooting

Advantages of a Power Multimeter (SMU)

Using a power multimeter / SMU like the OWON SPM3051 offers several advantages:

Reduces test equipment by combining power supply + multimeter
Improves measurement accuracy by synchronizing source and measurement
Simplifies automated testing
Saves bench space in laboratories and workshops

✔ Compact SMU solution for professional electronics testing
✔ Precise DC sourcing with integrated measurement capabilities
✔ Ideal for laboratories, engineers, and electronic development

Advantages of a Power Multimeter (SMU)

Using a power multimeter / SMU like the OWON SPM3051 offers several advantages:

Reduces test equipment by combining power supply + multimeter
Improves measurement accuracy by synchronizing source and measurement
Simplifies automated testing
Saves bench space in laboratories and workshops

✔ Compact SMU solution for professional electronics testing
✔ Precise DC sourcing with integrated measurement capabilities
✔ Ideal for laboratories, engineers, and electronic development

Key Features

Integrated DC Source & Measurement Unit (SMU)
Combines a precision DC power supply and digital multimeter in one compact instrument.
1-Channel Programmable DC Output
Provides stable voltage and current output with constant voltage (CV) and constant current (CC) operation modes.
Simultaneous Source and Measurement
Output voltage/current while measuring electrical parameters in real time.
Comprehensive Measurement Functions
- DC voltage measurement
- AC voltage measurement
- DC and AC current measurement
- Resistance measurement
- Continuity test
- Diode test
- Capacitance measurement
Dual Display Mode
Allows simultaneous viewing of power supply output and multimeter measurements.
Over-Voltage and Over-Current Protection (OVP/OCP)
Protects both the device under test and the instrument.
Programmable List Waveform Output
Generate programmable voltage/current sequences for dynamic testing.
Memory Presets
Store up to four sets of commonly used output parameters for quick recall.
Multiple Interface Options
USB, LAN, or RS232 interface for firmware updates and PC control.

Power Supply + Multimeter Overview

Model	SPM3051	SPM6053	SPM3103	SPM6103	SPM8104	SPM8205
Channel	Single Channel Output
Total Output Power	150W	300W			400W	500W
Channel Output	0-30V / 0-5A	0-60V / 0-5A	0-30V / 0-10A	0-60V / 0-10A	0-80V / 0-10A	0-80V / 0-20A
Display	2.8 inch color LCD display
Interface	USB Device, USB Host (5V 1A)				Multiple interface options: USB Device (default) / RS232 / LAN
Dimension (W × H × D)	82mm(W) × 142mm(H) × 226mm(D)
Working Temperature	0 – 40°C
Weight	Approx. 1.5kg

DC Power Specifications (Power Supply Section)

The instrument must be operated continuously for more than 30 minutes at the specified temperature to ensure the following parameters.

Specification		SPM3051	SPM6053	SPM3103	SPM6103	SPM8104	SPM8205
Rated Output (0-40°C)	Voltage	0-30V	0-60V	0-30V	0-60V	0-80V
	Current	5A		10A	10A	0-10A	0-20A
	Output Power	150W	300W			400W	500W
Load Regulation	Voltage	≤30mV				≤20mV
Load Regulation	Current	≤20mA				≤10mA
Power Regulation	Voltage	≤30mV				≤20mV
Power Regulation	Current	≤20mA				≤10mA
Setting Resolution	Voltage	10mV
Setting Resolution	Current	1mA
Readback Resolution	Voltage	10mV
Readback Resolution	Current	1mA
Ripple / Noise	Voltage (Vp-p)	≤30mVp-p			≤50mVp-p	≤50mVp-p
Ripple / Noise	Voltage (rms)	≤3mVrms			≤5mVrms
Response Time (50-100% load)		≤1.0ms				≤5.0ms
Storage		4 groups of data

Multimeter Section

Measurement Type	Functions
Voltage	DC Voltage (DCV), AC Voltage (ACV)
Current	DC Current (DCI), AC Current (ACI)
Component Testing	Resistance, Continuity, Diode Test, Capacitance

Package Contents

Standard accessories include:

Power cord
User manual
Fuse
Grounding leads
Multimeter test leads

Optional accessories such as USB, RS232 cables, and additional test leads are also available.