UNI-T UTL8512+ DC Electronic Load (300 W, Single Channel)
The UNI-T UTL8512+ is a high-precision single-channel DC electronic load from the UTL8500+ Series, designed for power supply testing, charger evaluation, battery discharge testing, LED simulation, and automated R&D or production environments.
It combines 300 W load capability, fast dynamic response, high-resolution measurement, and SCPI remote control in a compact benchtop form factor.
Key Features
- Single-channel DC electronic load
- Maximum power: 300 W
- Wide input range: up to 150 V / 30 A
- 4 basic operating modes: CC, CV, CR, CP
- Dynamic load mode for transient testing
- 15 intelligent test modes including battery, LED, OVP, OCP, and list mode
- High-resolution measurement (µA / mV level)
- Ripple display
- Sense terminal for accurate voltage measurement
- Programmable LIST mode for automated testing
- RS-232 interface with SCPI protocol
- PC data acquisition software supported
- Smart temperature-controlled cooling
- Power-off protection & full safety protections
Technical Specifications – UTL8512+
General Ratings
- Channels: 1
- Rated Operating Temperature: 0 °C ~ 40 °C
- Maximum Power: 300 W
-
Input Voltage Range:
- 0 ~ 15 V
- 0 ~ 150 V
-
Input Current Range:
- 0 ~ 3 A
- 0 ~ 30 A
-
Minimum Operating Voltage:
- 1.4 V ±0.1 V @ 30 A
Operating Modes
- CC – Constant Current
- CV – Constant Voltage
- CR – Constant Resistance
- CP – Constant Power
Advanced Test Modes (15 total):
Dynamic, OVP, Time, OCP, CR-LED, Battery, Automatic List, Short Circuit, Load Effect, Combination, List
Measurement Performance
Constant Voltage (CV)
- Range: 0.1 ~ 150 V
- Resolution: 1 mV
- Accuracy: ±(0.03% + 0.05% FS)
Constant Current (CC)
-
Ranges:
- 0 ~ 3 A (0.01 mA resolution)
- 0 ~ 30 A (0.1 mA resolution)
- Accuracy: ±(0.03% + 0.05% FS)
Constant Resistance (CR)
- Range: 0.05 Ω ~ 10 kΩ
- Resolution: 16-bit
- Accuracy: (0.1 + 0.01R)%
Constant Power (CP)
- Range: 0 ~ 300 W
- Resolution: 10 mW
- Accuracy: ±(0.1% + 0.1% FS)
Dynamic Mode
- T1 / T2 Range: 10 µs ~ 50 s
- Time Resolution: 1 µs
- Accuracy: 1 µs / 1 ms ±100 ppm
- Rising/Falling Slope: 0.0006 A/µs ~ 3 A/µs
- Minimum Rising Time: 10 µs
Readback Accuracy
Voltage Readback
- Range: 0 ~ 150 V
- Resolution: 0.1 mV
- Accuracy: ±(0.02% + 0.3% FS)
Current Readback
- Range: 0 ~ 30 A
- Resolution: 0.1 mA
- Accuracy: ±(0.03% + 0.05% FS)
Power Readback
- Range: 0 ~ 300 W
- Resolution: 10 mW
- Accuracy: ±(0.1% + 0.1% FS)
Protection & Safety
-
Over-Power Protection:
- Delay ≥303 W
- Immediate ≥330 W
-
Over-Current Protection:
- Delay ≥30.3 A
- Immediate ≥33 A
-
Over-Voltage Protection:
- Delay ≥152 V
- Immediate ≥165 V
- Over-Temperature Protection: ≥85 °C
- Short-Circuit Protection: Supported
- Input Terminal Resistance: 300 kΩ
Interfaces & Control
- Communication Interface: RS-232
- Protocol: SCPI
- PC Software: Supported
Power & Mechanical
- Power Requirement: 110 V / 220 V AC, 50/60 Hz
- Fuse: 0.5 A (110 V) / 0.25 A (220 V)
- Dimensions (W × H × D): 215 × 88 × 372 mm
- Net Weight: 4.49 kg
Standard Accessories
- DC Electronic Load (UTL8512+)
- Power cord
- RS-232 communication cable
- Spare fuses
- User documentation (downloadable)
Typical Applications
- DC power supply testing
- Charger and adapter validation
- Battery discharge and capacity testing
- LED driver simulation
- R&D laboratory testing
- Automated production test systems
Summary
The UNI-T UTL8512+ is a precision 300 W programmable DC electronic load offering advanced test modes, fast dynamic response, and SCPI automation support — ideal for professional electronics testing environments requiring accuracy, flexibility, and reliability.
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