UNI-T UTL8211+ High-Precision Compact DC Electronic Load

The UTL8200+ series electronic load is designed for advanced testing with a 2.8-inch LCD display, offering both ease of use and a sleek appearance. This model is known for its stable operation and supports dual-channel, independent testing. The device covers a broad power measurement range with a high-resolution test capability of 1mV/1mA.

Key Features and Specifications:

• Display: 2.8-inch, 24-bit true color LCD for clear visibility.
• Model UTL8211+: Features a single channel with a voltage range of 0-150V, current range of 0-40A, and a maximum power output of 400W.
• Sampling: Uses 4.8MHz Current-Voltage Synchronous ADC Sampling for accurate readings.
• Measurement Resolution: Provides a fine resolution of 1mV/1mA.
• Operation Modes: Offers four basic operation modes—Constant Current (CC), Constant Voltage (CV), Constant Resistance (CR), and Constant Power (CP).
• Dynamic Testing: Supports dynamic current testing up to 5kHz.
• Current Rise/Fall Rate: Programmable current rise and fall rates to suit specific testing requirements.
• Short Circuit Simulation: Supports short circuit (short) simulation function for more comprehensive testing.
• Battery Discharge Mode: Multi-mode battery discharge simulation is available for versatile applications.
• Testing Modes: Includes list mode for automatic testing and quick uninstall functionality.
• Protection: Equipped with over-voltage, low voltage, overcurrent, over power, and overheat protection mechanisms. It also has a power polarity reverse alarm.
• Cooling System: Features an intelligent fan system with infinite servo for optimized cooling.
• Memory Function: The power-off memory function ensures that settings are preserved after shutdown.
• Communication Interface: Comes with a standard RS232 interface and supports SCPI protocol.
• Remote Operation: Includes host computer software for remote operation and monitoring.

Technical Specifications:

• Voltage Range: 0-150V, with a minimum operating voltage of 2.0V at 40A.
• Current Range: 0-40A (single channel) with a minimum operating current of 2.0A at 20A.
• Power: Maximum power of 400W, with the option for two 200W channels.
• Precision and Resolution:
  • Constant Voltage Mode: 0-150V, with a resolution of 1mV and precision of ±(0.05%+0.1%FS).
  • Constant Current Mode: 0-4A/4-40A (0-2A/2-20A), with a resolution of 1mA/10mA and precision of ±(0.1%+0.1%FS).
  • Constant Resistance Mode: 0.05Ω to 7.5KΩ, with a resolution of 12-bit and precision of ±(0.3%Vin/Rset+0.2%IF.S).
  • Constant Power Mode: 0-400W, with a resolution of 10mW and precision of ±(0.1%+0.5%FS).
  • Dynamic Mode: T1&T2 range from 100µS to 50S, with rising/falling slopes ranging from 0.08A/ms to 0.4A/µS.

Readback Values:

• Voltage: 0-150V, with a resolution of 1mV/10mV and precision of ±(0.1%+0.1%FS).
• Current: 0-40A, with a resolution of 1mA/10mA and precision of ±(0.1%+0.1%FS).
• Power: 0-400W, with a resolution of 10mW and precision of ±(0.1%+0.5%FS).