The Chroma A series Programmable DC Electronic Load is ideal for the test and evaluation of multi-output AC/DC power supplies, DC/DC converters. Chroma Model Series Programmable DC Electronic Load discontinuation Notice. Due to discontinuation of certain key components of the Chroma Chroma ATE INC. makes no warranty of any kind with regard to this manual, Here “Load” means the electronic load modules of Chroma series while.

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The system is configured by plugging the user selectable load modules into the system mainframe. Add to Inquiry Cart Data Sheet. Application of Specific Load Simulation The A load modules operate in constant current, constant voltage, constant power or constant resistance to satisfy a wide range of test requirements. The figure below shows the programmable parameters of the A modules: Real time chromq of voltage and current are integrated into each A dhroma module using a bit precision measurement circuit.

Two or more load modules can be paralleled together to achieve the desired loading.


The A comes with RS as standard for remote control and automated testing applications. The user can perform on line voltage measurements and adjustments or simulate short circuit test using the user friendly keypad on the front panel. For example, the test of a battery charger can be simulated easily by setting the load to operate in constant voltage.

The user interfaces include an ergonomically designed user friendly keypad on the front panel and the following computer interfaces: The loads can be operated in constant current, constant voltage, constant power and constant resistance and may be placed in parallel for increased current and power.

The A series can simulate a wide range of dynamic loading applications.

Chroma A Series | TTid Instrument Distribution

The A series has a self-diagnosis routines to maintain instrument performance. The waveforms programmable parameters include: OCP Test By simply choosing the channel and setting the OCP parameters start current, end current, step current and dwell time from the front panel, the A series provides a fast and easy OCP testing solution. Additionally, the A series offers an optional remote controller for automated production lines. The figure below shows the programmable parameters of the A modules:.


The A series offers 8 different modules with power ratings from watts to 1, watts, current ratings from 0. It is designed for applications in research and development, production, and incoming inspection.

Parallel Control The A provides parallel control, which enables high power testing when a single module cannot meet the requirement of high power applications. The programmable slew rate makes the simulation of transient load change demanded by real life applications possible.

Chroma 6310A Series

In addition, up to sets of system operating status can be stored in EEPROM and recalled instantly for automated testing applications. Dynamic Loading and Control The A loads offer high speed, programmable dynamic load simulation and control capability.

The built-in resistive load current sensing circuit is capable of measuring current with an accuracy of 0. The A series will automatically detect the OCP point, making it an ideal solution for design verification as well as production line testing.