Description
Precision Power Testing with LDH400 Series DC Electronic Load
The Aim-TTi LDH400 Series DC Electronic Load is engineered for precise and efficient testing of DC power sources, power factor correction circuits (PFCs), and high-voltage systems. With a wide voltage range from 10V to 500V and current handling up to 16A, this load delivers a high-performance testing solution for laboratories, R&D centers, and production environments.
Flexible Modes and High Accuracy
The LDH400 operates across constant current (CC), constant resistance (CR), constant conductance (CG), and constant power (CP) modes. This flexibility ensures reliable performance in a variety of applications, from regulated power supply validation to advanced load simulation. Its high resolution and accuracy allow for precise level settings and stable, repeatable measurements.
Dynamic and Transient Testing Capability
The built-in transient generator enables dynamic testing with variable slew rates, ideal for examining response characteristics of DC converters and power modules. The current monitor output supports real-time waveform observation, ensuring clear insight into transient behavior and stability.
User-Friendly Design and Control Options
Featuring a high-resolution backlit LCD and intuitive soft-key interface, the LDH400 simplifies complex operations while maintaining precise control. Front and rear terminals provide connection flexibility, and its CAT II (300V) rating ensures safe operation in high-voltage environments.
Remote Operation and Automation
The LDH400 Series supports full remote control through USB, RS232, and LAN (LXI) interfaces, with an optional GPIB module for extended integration. It’s compatible with Test Bridge software, enabling data logging, automated control, and report generation to enhance productivity and accuracy.
Dependable Performance in Every Application
Built to withstand demanding test conditions, the LDH400 Series DC Electronic Load offers 400W continuous power dissipation and stable operation at up to 360W at 40°C. Its combination of precision, versatility, and intelligent control makes it an essential tool for engineers and test professionals working with DC power devices and energy systems.
Technical Specifications Table
| Parameter | Specification |
| Product Name | Aim-TTi LDH400 Series DC Electronic Load |
| Voltage Range | 10V to 500V |
| Current Range | 0A to 16A |
| Power Dissipation (Continuous) | 400W at 28°C (360W at 40°C) |
| Operating Modes | CC, CR, CG, CP |
| Transient Generator | Built-in, variable slew rate |
| Display | High-resolution backlit graphic LCD |
| Minimum Operating Voltage | 10V |
| Current Monitor Output | Available for waveform monitoring |
| Input Terminals | Front and rear connections |
| Remote Interfaces | USB, RS232, LAN (LXI), optional GPIB |
| Software Compatibility | Test Bridge (free download) |
| Safety Rating | CAT II (300V) |
| Cooling Method | Fan-cooled system |
| Applications | DC source testing, PFC evaluation, R&D, and automated testing |
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