DC Loads


20

Mar 2012

Discontinuation Notice

Chroma wishes to advise you that we intend to discontinue the product(s) listed below. Due to discontinuation of certain key components, Chroma will be phasing out production of the 6300 series DC Electronic Load and option kit on June 29, 2012. Chroma will not accept orders for the listed products after May 18, 2012.   Discontinued Products Include: 6301 – Mainframe for single load module...

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05

Mar 2012

Question: Why is Accuracy and Multiple Ranges important?

Answer:  Most accuracy specifications for Test Equipment are listed as % rdg + % fs. Example: 0.1% rdg + 0.1% fs This is a percentage of the reading or measurement + the percentage of the Full Scale for the range you are in. If a DC Electronic Load has only one range, say 80 amps and the Current Measurement Accuracy rating in the Spec is...

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20

Oct 2011

Product Focus: 63472 High Slew Rate DC Electronic Load

Designed for VRM’s, embedded VRD’s and Power Pod testing Static Loading – Power rating: 200W / Voltage range: 0-2V / Current range: 150A Dynamic Loading – Current range: 150A Slew rate: Up to 1000A/µs Dynamic Freq: Up to 1MHz As a result of the exploding increase in CPU complexity according to Moore’s Law, all modern processors require a low voltage with high instantaneous current power...

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14

Oct 2011

Product Focus: 63200 Series High Power DC Electronic Load

Power Rating: 2600W, 5200W, 6500W, 10400W, 14500W, 15600W Voltage range : 0 ~ 80V / 0 ~ 500V Current range : Up to 1000A CC, CR, CV, CP load modes Master/Slave paralleling control mode, allow synchronous load control under static and dynamic loading mode (Up to 93.6kW) The Chroma 63200 series Electronic DC Loads are designed to test DC Power Supply, power electronic devices, automative...

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07

Oct 2011

Battery Charge/Discharge Test Solutions

Satisfy your Battery Test Requirements such as charge rate, discharge rate, state of charge (SOC), and state of health (SOH), and depth of discharge (DoD) with accuracy in measuring voltage, current, temperature and power both statically and dynamically. DC Impedance Measurement For Battery Cell The battery pack for electric vehicles requires the battery cells be paralleled for large current use. An important parameter is the...

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06

Oct 2011

Product Focus: LED Power Driver Automated Test System

The Chroma 8491 Automated Test System is equipped with optimized standard test items for LED driver testing (lighting & TV backlight). The user is only required to define the test conditions and specifications for the standard test items to perform the test. The optimized test items cover 6 types of power supply test requirements. “Output Performances” verifies the output characteristics of the UUT. “Input Characteristics”...

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13

Sep 2011

How to Set Your DC Load Modules for 221Amps at 1V in CR Mode

Follow these four steps when setting your Chroma 63640-80-80 DC Load modules for 221Amps at 1V in Constant Resistance Mode: Step 1: Set the ALL_RUN Feature to ON it is located in the SETUP menu to access the SETUP menu press the ADVA and ENTER keys simultaneously. This must be set on each of your loads. Step 2: Set the Range to Low (L) by...

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08

Sep 2011

Consumer Focus: 63600 Series Modular DC Electronic Load

Chroma’s 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 DC Load’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 DC Load series can draw...

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04

Aug 2011

Consumer Focus: 6310/A Series Modular DC Electronic Loads

The 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...

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01

Aug 2011

Meeting Industry Needs for LED Driver Testing

LED Lighting has proven to be more efficient and have a longer life than the Incandescent and fluorescent lights. The Led is now available in almost all applications for lighting from Residential, Commercial and Industrial Lighting. Uses include the full range from Mood Lighting, Task Lighting, Security Lighting, Signage, and Computer / TV displays just to name a few. Because LED’s are a current driven...

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