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Meltronics Products > Power Test Instruments > Chroma DC Electronic Load 

Chroma DC Electronic Load


Chroma is the global leader in DC Electronic Load manufacturing. Used for power testing in all markets including automatic test systems, LED, power supply testing, battery testing, fuel cell testing, Chroma's electronic loads come standard with either USB or RS232 control and can be configured for GPIB (IEEE-488) control as well.

63600 Series Modular DC Electronic Load

Chroma 63600 Series DC Electronic Loads are designed for testing multi-output AC/DC power supplies, DC/DC converters, chargers, batteries, adapters, and power electronic components. Excellent for research, development, production, and incoming inspection applications. The 63600's state of the art design uses DSP technology to simulate non-linear loads using an unique CZ operation mode allowing realistic loading behavior. The 63600 series can draw its full rated current to almost zero volts. This unique feature guarantees the best loading performance for fuel cells and modern Point-of-Load devices.


• Up to 10 channels in one mainframe, fit for testing multiple output SMPS
• Three Current Ranges Per Load                                         
• Max. Power: 100W x 2(Dual), 300W & 400W                    
• Voltage Range : up to 600V
• Derated Current to 10mV
• Constant Impedance Mode
• USB, GPIB, Ethernet
• Digitized Volt & Current Readback (2µs sampling)
• CZ mode for turn on capacitive load simulation
• Full Protection : OC, OP, OT protection and OV alarm
• Flexible CC, CR, CV and CP operation modes
• Ethernet, USB and GPIB interfaces


Load the Data Sheet for 63600 here in pdf format.

For more information contact us:
03-6444492 or Sales@meltronics.co.il



6310A Series Modular DC Electronic Load

Chroma 6310A series Programmable DC Electronic Load is suitable for the test and evaluation of multi-output AC/DC power supplies, DC/DC converters, chargers, and power electronic components. It is ideal for applications in research and development, production, and incoming inspection. The system is configured by plugging the user selectable load modules into the system mainframe. The user interfaces include an ergonomically designed user friendly keypad on the front panel and the following computer interfaces: RS-232, USB or GPIB.

The 6310A series offers 8 types of modular loads with power ratings from 100 watts to 1,200 watts, current ratings from 0.5mA to 240A, and voltage ratings from 0.5mV to 500V. 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.


• Max Power: 200W, 100W×2(Dual),30W & 250W, 300W, 600W, 1200W
• Wide range 0~500V operating voltage
• Up to 8 channels in one mainframe, 
  for testing multiple output SMPS                       
• Parallel load modules up to 1200W
  for high current and power application
• Synchronization with multiple loads
• Flexible CC, CR, CP and CV operation modes
• Fast response of 0.32mA/μs~10A/μs slew rate
• Full Protection: OC, OP, OT protection and OV alarm
• USB, GPIB & RS-232 interfaces


Load the Data Sheet for 6310A here in pdf format.

For more information contact us:
03-6444492 or Sales@meltronics.co.il



63200 Series HIGH POWER DC Electronic Load

Chroma 63200 Series Electronic Loads are designed for DC Power Supply, power electronic devices and components testing. The high power rating, parallel and synchronization capabilities make them the ideal tool for testing the high power UUT such as SMR, UPS, battery, and fuel cell.

The 63200 series offers 10 different models with power range from 2600 watts to 15600 watts, current from 50A to 1000A and up to 600V input voltage. The 4 load modes setup provide different load simulations for various application occasions. The CC/CR modes are designed to test constant voltage type of power supply. CV mode is used to test battery charger and current source, while CP mode is ideal for battery testing by simulating the real discharge curve.


• Power Rating: 2600W ~ 15600W                                         
• Voltage range: 0 ~ 80V / 0 ~ 600V / 0 ~ 1000V
• Current range: Up to 1000A
• CC, CR, CV, CP load modes
• Master/Slave paralleling control mode
• Dynamic loading : Up to 20kHz
• Only need 1V to draw rated current
• Programmable slew rate, up to 41A/µ
• Short circuit simulation and short circuit current measurement
•Full protection: OC, OP, OT protection and OV, reverse alarm
•GPIB & RS-232 interfaces



Load the Data Sheet for 63200 here in pdf format.

For more information contact us:
03-6444492 or Sales@meltronics.co.il



6330A Series High Speed DC Electronic Load

Chroma Model 6330A series high speed DC electronic improves CPU clock, baud rate, parser and added synchronic parallel function for fast operation, which is ideal for auto test system integration to increase your manufacturing test throughput. Plugging the user selectable load modules into the system mainframe can also provide easy system configuration and future reconfiguration configure the system.

The 6330A family offers 8 types of modular loads with power ranging from 30 watts to 1200 watts, current from 0.5mA to 240A, and voltage measurement from 0.5mV to 500V. Each load is isolated and floating, programmable in dual current range and measuring voltage range, and capable of synchronizing with other modules for control operating. The load can be operated in constant current, constant voltage, and constant resistance.

• Improve operating speeds of load for auto test system integration             
• Synchronous paralleling control mode up to 6000W                               
• Up to 8 channels in one mainframe, fit for testing Multiple output SMPS.   
• Max Power: 200W, 100W x 2(Dual), 30W&250W, 300W, 600W, 1200W
• Voltage Range: 0~80V / 0V~500V
• CC, CR, CV, CP operating modes
• Dynamic loading with speed up to 20kHz
• Programmable slew rate, up to 10A/μs
• Only need 1V to draw rated current
• Individual panel meters
• Real time power supplies load transient response simulation and output measurement
• 16-bit precision voltage and measurement with dual-range selection
• GPIB/RS-232/USB Interface

Load the Data Sheet for 6330A here in pdf format.

For more information contact us: 03-6444492 or Sales@meltronics.co.il