The Chroma 63203 is a programmable DC electronic load designed for comprehensive testing of various power sources and electronic components. It supports multiple load modes, including Constant Current (CC), Constant Resistance (CR), Constant Voltage (CV), and Constant Power (CP), making it versatile for simulating diverse load conditions. This unit is particularly suited for applications requiring high power, such as testing switch-mode rectifiers, UPS systems, batteries, and fuel cells. Its parallel and synchronization capabilities allow for expanded power and unlimited load simulation. The Chroma 63203 is also designed for low voltage/high current applications, offering ultra-low voltage operation to compensate for input wiring losses.
### Technical Specifications
**Power Ratings:**
* The Chroma 63200 series offers various power ratings, including 2.6kW, 5.2kW, 6.5kW, 10.4kW, 14.5kW, and 15.6kW. Specific models like the 63203 can provide 5200W. The 63203A-150-300 model offers 3,000W.
* Some configurations can deliver up to 2.7 times the rated power for short duty cycle loading.
**Voltage Ranges:**
* 0 to 80V
* 0 to 500V
* 0 to 1200V for specific models (e.g., 63203A-1200-120)
* 0 to 150V for specific models (e.g., 63203A-150-300)
**Current Ranges:**
* Up to 1000A
* Specific models like the 63203 can handle up to 600A.
* The 63203A-150-300 model supports up to 300A.
* The 63203A-1200-120 model supports up to 120A.
**Load Modes:**
* Constant Current (CC)
* Constant Resistance (CR)
* Constant Voltage (CV)
* Constant Power (CP)
**Dynamic Loading:**
* Up to 20kHz
* Some models offer dynamic frequency sweep up to 50kHz.
* Programmable slew rate, up to 41A/µs.
**Minimum Operating Voltage:**
* Can draw rated current under very low voltage (1V typical).
* Specific examples include 1V@60A or 0.5V@30A for the 63203, and 1V@600A or 0.5V@300A for higher current variants.
* For the 63203A-1200-120, minimum operating voltage can be 2V@12A, 10V@60A, or 20V@120A depending on the range.
**Measurement Accuracy:**
* **Voltage:**
* 0.05% + 0.05% F.S.
* 0.05% + 0.1% F.S.
* 0.015% + 0.015% F.S. for specific models
* **Current:**
* 0.1% + 0.1% F.S.
* 0.4% F.S.
* 0.04% + 0.04% F.S. for specific models
* **Power:**
* 0.3% + 0.3% F.S.
* 0.03% + 0.3% F.S.
**Resolution:**
* **Current:** Varies by range, e.g., 7.5mA to 150mA. 15-bit resolution for current is also available.
* **Voltage:** 15-bit resolution.
* **Power:** 15-bit resolution.
**Interfaces:**
* Front panel controls with LCD display and rotary knob.
* Remote control via GPIB, RS-232, or APG (Analog Programming) interface.
* Optional GPIB, USB, and Ethernet interfaces are available for some models.
**Protective Features:**
* Over Power Protection (OPP)
* Over Current Protection (OCP)
* Over Voltage Protection (OVP)
* Over Temperature Protection (OTP)
* Reverse Polarity Protection
**Physical Characteristics:**
* Dimensions vary by model. For example, the 63203A-150-300 measures 647 x 428 x 132.5 mm.
### Electrical Specifications
* **Input Voltage:** Specific input voltage requirements will depend on the model and configuration.
* **Power Factor Correction:** Not explicitly detailed in the provided data.
* **Efficiency:** Not explicitly detailed in the provided data.
### Interfaces and Connectivity
* **Front Panel:** Intuitive controls with an LCD display and rotary knob for manual operation and parameter adjustment. Numeric keys and function keys are also present for mode selection and editing.
* **Rear Panel:** Includes load terminals, voltage sense terminals, RS-232C connector, voltage monitor output, current monitor output, and external voltage reference input.
* **Remote Control:** Supports remote operation and automation via GPIB, RS-232C, USB, and Ethernet interfaces.
* **Master/Slave Paralleling:** Allows synchronous load control for expanded power and unlimited load simulation capabilities. Configurations can achieve very large systems (e.g., >93KW) by paralleling modules.
### Physical Specifications
* **Dimensions:** Specific dimensions vary by model. For example, the 63203A-150-300 is 19-inch rack-mountable with a height of 3U.
* **Cooling:** Features automatic fan speed control to minimize audio noise.
* **Weight:** The 63203A-150-300 weighs 12 kg.
### Compatibility
* Designed for testing DC power sources, power electronic devices, and components such as switch-mode rectifiers (SMR), UPS systems, batteries, fuel cells, battery chargers, and current sources.
* Suitable for AC/DC and server power supplies, DC/DC converters, EV batteries, automotive charging stations, and solar power elements.
### Programming and Control
* **Programmable Parameters:** Slew rate, load level, load period, and conduct voltage (Von) can be programmed.
* **Waveform Simulation:** Supports external waveform simulation.
* **Software Control:** User-friendly software is available for comprehensive control and operation.
* **Programming Commands:** Extensive command sets are available for GPIB, RS-232C, and potentially other interfaces, covering various sub-systems like Current, Voltage, Power, and Load.
### Measurement Capabilities
* **Simultaneous Display:** Capable of displaying voltage, current, and power measurements simultaneously on LED readouts.
* **Monitor Outputs:** Provides analog voltage and current monitor outputs for waveform observation via an oscilloscope.
### Environmental and Safety Considerations
* **Protections:** Includes comprehensive protection against OPP, OCP, OVP, OTP, and reverse polarity.
* **RoHS Compliance:** Some models may be in transition to lead-free solder assembly, with many components being RoHS compliant.
Why Choose Aumictech for Chroma 63203?
At Aumictech, we specialize in supplying high-end electronic test and measurement equipment. Whether you need precise DC load simulation, reliable power source testing, or advanced component evaluation, our team ensures the Chroma 63203 delivers maximum performance for your application.
