
Key Features
Overview
The Array 375X Series of Electronic Load is a new-generation high-performance programmable electronic load that provides powerful test functionality and a friendly human-machine interface.
The electronic load is equipped with RS232, USB, and GPIB interface and supports SCPI standard commands for programmable instrumentation and LabView development platform, which is widely used in the scientific research and production fields of aerospace, shipbuilding, auto electronics, solar cell, and fuel cell.
General Information | |
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Part Number (SKU) |
3752A
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Manufacturer |
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Physical and Mechanical | |
Product Weight |
20.0 kg
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Other | |
Warranty |
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Country of Origin |
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HS Code Customs Tariff code
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EAN |
5055383689521
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The Array 375X Series of Electronic Loads are a new-generation of high-performance programmable electronic load developed by Array Electronic Co. Ltd. They provides powerful test functions and a friendly human-machine interface.
Each Electronic Load is equipped with RS232, USB and GPIB interfaces and they support SCPI standard commands for
programmable instrumentation and LabView development platforms. These are widely used in the scientific research
and production field of aerospace, shipbuilding, auto electronics, solar cells and fuel cell technologies.
Specifications
(The warm-up time is 30 minutes. Specifications indicate warranted performance in the 25°C ± 5°C region of the total temperature range).
Model | 3750A | 3751A | 3754A | 3755A | 3756A | |||||
Current | 0~100A | 0~150A | 0~180A | 0~240A | 0~260A | |||||
Voltage | 0~240V | 0~240V | 0~240V | 0~240V | 0~240V | |||||
Power *1 | 1500W at 40oC | 2000W at 40oC | 3000W at 40oC | 4000W at 40oC | 5000W at 40oC | |||||
Input Characteristics |
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Constant Current Mode |
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Low Range | 0~6A | 0~6A | 0~8A | 0~8A | 0~8A | |||||
Resolution | 0.1mA | 0.1mA | 0.1mA | 0.1mA | 0.1mA | |||||
Accuracy | 0.2%+5mA | 0.2%+5mA | 0.2%+5mA | 0.2%+5mA | 0.2%+5mA | |||||
High Range | 0~100A | 0~150A | 0~180A | 0~240A | 0~260A | |||||
Resolution | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | |||||
10mA(100~150A) | 10mA(100~180A) | 10mA(100~240A) | 10mA(100~260A) | |||||||
Accuracy | 0.2%+10mA | 0.2%+10mA | 0.2%+10mA | 0.2%+10mA | 0.2%+10mA | |||||
Constant Voltage Mode |
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Range | 0~240V | 0~240V | 0~240V | 0~240V | 0~240V | |||||
Resolution | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | |||||
10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | ||||||
Accuracy | 0.2%+10mV | 0.2%+10mV | 0.2%+10mV | 0.2%+10mV | 0.2%+10mV | |||||
Constant Resistance Mode |
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Low Range | 0.2Ω~2.4MΩ | 0.2Ω~2.4MΩ | 0.2Ω~2.4MΩ | 0.2Ω~2.4MΩ | 0.2Ω~2.4MΩ | |||||
Resolution | 0.1mΩ | 0.1mΩ | 0.1mΩ | 0.1mΩ | 0.1mΩ | |||||
Accuracy @V>6V | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | |||||
High Range | 0.02Ω~240K | 0.01Ω~240K | 0.01Ω~240K | 0.01Ω~240K | 0.01Ω~240K | |||||
Resolution | 0.1mΩ | 0.1mΩ | 0.1mΩ | 0.1mΩ | 0.1mΩ | |||||
Accuracy @V>6V | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | 0.5%+12mΩ | |||||
Constant Power Mode |
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Range | 0~1500W | 0~2000W | 0~3000W | 0~4000W | 0~5000W | |||||
Resolution @P< 100W |
1mW | 1mW | 1mW | 1mW | 1mW | |||||
@P≥100W | 10mW | 10mW | 10mW | 10mW | 10mW | |||||
@P≥1000W | 100mW | 100mW | 100mW | 100mW | 100mW | |||||
Accuracy | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | |||||
Current Measurement |
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Low Range | 0~6A | 0~6A | 0~8A | 0~8A | 0~8A | |||||
Resolution | 0.1mA | 0.1mA | 0.1mA | 0.1mA | 0.1mA | |||||
Accuracy | 0.1%+6mA+Vin/50KΩ | 0.1%+6mA+Vin/50KΩ | 0.1%+6mA+Vin/50KΩ | 0.1%+6mA+Vin/50KΩ | 0.1%+6mA+Vin/50KΩ | |||||
High Range | 0~100A | 0~150A | 0~180A | 0~240A | 0~260A | |||||
Resolution | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | 1mA(0~100A) | |||||
10mA(100~150A) | 10mA(100~180A) | 10mA(100~240A) | 10mA(100~260A) | |||||||
Accuracy | ±(0.2%+8 mA +Vin/50KΩ |
±(0.2%+8 mA +Vin/50KΩ |
±(0.2%+8 mA +Vin/50KΩ |
±(0.2%+8 mA +Vin/50KΩ |
±(0.2%+8 mA +Vin/50KΩ |
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Voltage Measurement |
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Range | 0~240V | 0~240V | 0~240V | 0~240V | 0~240V | |||||
Resolution | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | 1mV (0~100V) | |||||
10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | 10mV(100~240V) | ||||||
Accuracy | 0.1%+8mV | 0.1%+8mV | 0.1%+8mV | 0.1%+8mV | 0.1%+8mV | |||||
Power Measurement |
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Range | 0~1500W | 0~2000W | 0~3000W | 0~4000W | 0~5000W | |||||
Resolution @P< 100W |
1mW | 1mW | 1mW | 1mW | 1mW | |||||
@P≥100W | 10mW | 10mW | 10mW | 10mW | 10mW | |||||
@P≥1000W | 100mW | 100mW | 100mW | 100mW | 100mW | |||||
Accuracy | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | 0.2%+600mW | |||||
Current Response Time |
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Mode CCH | 1mA/µs~10A/µs | 1mA/µs~15A/µs | 1mA/µs~18A/µs | 1mA/µs~20A/µs | 1mA/us~22A/µs | |||||
CCL *2 | 100uA/µs~600mA/µs | 100uA/µs~600mA/µs | 100µA/µs~600mA/µs | 100µA/µs~600mA/µs | 100uA/µs~600mA/µs | |||||
Resolution | 1mA/µs | 1mA/µs | 1mA/µs | 1mA/µs | 1mA/µs | |||||
Accuracy *3 | 3% + 10µs | 3% + 10µs | 3% + 10µs | 3% + 10µs | 3% + 10µs | |||||
Transient Measurements |
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Transient mode | Continuous、pulsed、Toggled | Continuous、pulsed、Toggled | Continuous、pulsed、Toggled | Continuous、pulsed、Toggled | Continuous、pulsed、Toggled | |||||
Frequency range *4 | 0.025Hz~50kHz | 0.025Hz~50kHz | 0.025Hz~50kHz | 0.025Hz~50kHz | 0.025Hz~50kHz | |||||
High/Low Transfer Time | 10us~10s | 10us~10s | 10us~10s | 10us~10s | 10us~10s | |||||
Resolution | 10us | 10us | 10us | 10us | 10us | |||||
Accuracy | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | |||||
Rise/Fall Time | 10us~10s | 10us~10s | 10us~10s | 10us~10s | 10us~10s | |||||
Resolution | 10us | 10us | 10us | 10us | 10us | |||||
Accuracy | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | |||||
List Measurement |
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Step Time | 10us~99999s | 10us~99999s | 10us~99999s | 10us~99999s | 10us~99999s | |||||
Resolution | 10us | 10us | 10us | 10us | 10us | |||||
Accuracy | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | 0.2%+10µs | |||||
Step Number | 1~50 | 1~50 | 1~50 | 1~50 | 1~50步 | |||||
Loop Times | 1~255 | 1~255 | 1~255 | 1~255 | 1~255 | |||||
Saved Volume | 10 | 10 | 10 | 10 | 10 | |||||
Expanded Function | Chain | Chain | Chain | Chain | Chain | |||||
Response Times |
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Current | 10A/µs | 15A/µs | 18A/µs | 20A/µs | 22A/µs | |||||
Voltage | 0.5V/µs | 0.6V/µs | 0.6V/µs | 0.6V/µs | 0.6V/µs | |||||
Open Impedance | ≥20kΩ | ≥20kΩ | ≥20kΩ | ≥20kΩ | ≥20kΩ | |||||
Trigger |
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Trigger Level | TTL Fall | TTL Fall | TTL Fall | TTL Fall | TTL Fall | |||||
Trigger pulse delay | ≥10us | ≥10us | ≥10us | ≥10us | ≥10us | |||||
Limited Input |
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Current | 101A | 151A | 181A | 241A | 261A | |||||
Voltage | 242V | 242V | 242V | 242V | 242V | |||||
Protected mode | Over current | Over current | Over current | Over current | Over current | |||||
Over temperature | Over temperature | Over temperature | Over temperature | Over temperature | ||||||
Over Power | Over Power | Over Power | Over Power | Over Power | ||||||
Alarm function | Over voltage | Over voltage | Over voltage | Over voltage | Over voltage | |||||
Polar opposite | Polar opposite | Polar opposite | Polar opposite | Polar opposite | ||||||
Opposite Current Capacity |
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Input OFF | 90A | 120A | 150A | 200A | 220A | |||||
Input ON | 100A | 150A | 180A | 240A | 260A | |||||
Rippling & Noise |
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Current(rms/p-p) | ≤3mA/30mA | ≤3mA/30mA | ≤5mA/30mA | ≤8mA/30mA | ≤8mA/30mA | |||||
Voltage (rms) | ≤5mV | ≤5mV | ≤5mV | ≤5mV | ≤5mV | |||||
Environment |
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Temperature *1 | 0~50°C | 0~50°C | 0~50°C | 0~50°C | 0~50°C | |||||
Humidity | ≤85% | ≤85% | ≤85% | ≤85% | ≤85% | |||||
Interface *5 | RS232, GPIB, USB | RS232, GPIB, USB | RS232, GPIB, USB | RS232, GPIB, USB | RS232, GPIB, USB | |||||
Programming | SCPI | SCPI | SCPI | SCPI | SCPI | |||||
Rated Input |
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Voltage | (AC110V、AC120V、 AC220V、AC240V)±10% |
(AC110V、AC120V、 AC220V、AC240V)±10% |
(AC110V、AC120V、 AC220V、AC240V)±10% |
(AC110V、AC120V、 AC220V、AC240V)±10% |
(AC110V、AC120V、 AC220V、AC240V)±10% |
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Frequency | 48 to 63Hz | 48 to 63Hz | 48 to 63Hz | 48 to 63Hz | 48 to 63Hz | |||||
Power consumption |
100VA | 100VA | 130VA | 130VA | 130VA | |||||
Net Weight | 24kg | 26.5kg | 38kg | 42kg | 45kg |
*1 As the environment temperature less than 40°C, this apparatus can load the rated input power continuously, more than 40°C and less than 50°C,only can load the 75% of rated input power.
*2 At CCL mode, current transfer speed is the 1/10 of the set value.
*3 Transfer time is the time that from 10% to 90% of the final value.
*4 Transient frequency is decided by the high/low level keeping time and rise & fall time.
*5 Standard attachments include an RS232 interface and USB interface, selected attachment is including GPIB interface.
Frequently Asked Questions
Have a Question?
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Why should engineers choose the Array 375XA series from The Debug Store?
The Array 375XA series from The Debug Store represents exceptional value in professional electronic load testing, delivering premium performance at a fraction of the cost of comparable Keysight or Chroma units. The Debug Store's expertise in electronic design engineering ensures proper application support and technical guidance for optimal implementation. With proven reliability across aerospace, automotive, and renewable energy applications, the 375XA provides the performance specifications of high-end electronic loads whilst maintaining accessibility for development teams and smaller organisations. The comprehensive warranty support and established track record make it a smart investment for any electronic testing laboratory requiring professional-grade electronic load capabilities.
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What sequential programming and automation features does the Array 375XA offer?
The Array 375XA series provides powerful sequential test functions with programmable step times ranging from 10µs minimum to 99,999 seconds maximum. The system supports up to 10 steps of programming that can be stored and controlled via PC, with cyclic times freely configurable and chainable to other sequences for complex test procedures. This automation capability enables comprehensive battery cycle testing, power supply burn-in procedures, and repetitive quality assurance testing. The SCPI programming support allows integration into automated test equipment (ATE) systems, providing functionality comparable to electronic loads costing several times more.
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How user-friendly is the Array 375XA electronic load for engineers and technicians?
The Array 375XA features an intuitive high-resolution TFT-LCD display combined with numerical keypad and rotary knob controls for ease of operation. The automatic ON/OFF function effectively simplifies test operations, whilst the Save/Recall function allows storage of multiple groups of common settings. The front panel design provides clear visibility of current voltage, current, power values, and operational status. Unlike some premium competitors with complex menu structures, the 375XA maintains straightforward operation without sacrificing advanced functionality, making it accessible to engineers whilst providing the depth required for sophisticated testing applications.
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What are the advantages of the Array 375XA's high-speed transient testing capabilities?
The Array 375XA series delivers exceptional high-speed transient testing with maximum frequencies reaching 50kHz and current response speeds of 15A/µs. The 16-bit D/A converters operating at 500kHz conversion rates provide superior high-speed performance for dynamic testing applications. This capability enables comprehensive power supply transient response testing, battery resistance measurement, and impedance analysis. Compared to budget electronic loads that typically offer much slower response times, the 375XA matches the performance of units costing significantly more, making it ideal for demanding applications in automotive electronics and aerospace testing.
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What protection features and safety mechanisms are built into the Array 375XA electronic load?
The Array 375XA series incorporates comprehensive protection features including Over-Current Protection (OCP), Over-Power Protection (OPP), Over-Temperature Protection (OTP), Over-Voltage (OV) alarm, and Reverse-Voltage (RV) alarm functions. The high-speed power limiting circuit can rapidly limit input power during overload conditions without interrupting testing, enhancing equipment adaptability to complicated operational environments. The high-efficiency intelligent cooling system ensures long-term, full-power, trouble-free continuous operation. These protection mechanisms surpass many lower-cost alternatives whilst matching the safety standards of premium competitors.
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How does the Array 375XA electronic load handle battery testing and discharge applications?
The Array 375XA series excels in battery testing with its minimum operating voltage of less than 1.8V at full rated current, allowing maximum current draw even when input voltage is 0V. This capability makes it particularly suitable for fuel cell and battery discharge testing where voltage drops to very low levels. The unit features powerful sequential test functions with minimum step times of 10µs and maximum step times of 99,999 seconds. Compared to premium competitors like Keysight's EL30000 series, which lacks dedicated battery test features, the 375XA provides comprehensive battery testing capabilities out of the box.
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What communication interfaces and programming capabilities does the 375XA electronic load provide?
The Array 375XA series comes equipped with RS232, USB, and optional GPIB interfaces, supporting SCPI standard commands for programmable instrumentation and LabVIEW development platforms. This comprehensive connectivity makes it ideal for automated test environments and remote control applications. The electronic load supports complete PC software control and programming, enabling integration into complex test systems for aerospace, shipbuilding, automotive electronics, solar cell, and fuel cell applications. Unlike some competitors that charge extra for communication interfaces, the 375XA includes USB and RS232 as standard features, with GPIB available as an optional upgrade.
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How does the Array 375XA compare to high-end electronic loads from competitors like Keysight and Chroma?
The Array 375XA series offers exceptional value compared to premium competitors like Keysight's EL30000 series and Chroma's 63200A high-power loads. Whilst Keysight and Chroma units can cost significantly more, the 375XA delivers comparable core functionality including high-speed transient testing up to 50kHz and current response speeds of 15A/µs. Unlike some premium alternatives that have experienced firmware stability issues, the 375XA provides reliable operation with comprehensive SCPI command support. The Debug Store offers the 375XA series with proven reliability and established performance metrics that rival units costing three to four times more.
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Which operating modes does the Array 375XA electronic load support?
The Array 375XA series supports four basic testing modes: Constant Current (CC), Constant Voltage (CV), Constant Resistance (CR), and Constant Power (CP). Additionally, it offers twelve advanced working modes including CCL, CCH, CVL, CVH, CRL, CRH, CP, CCL+CV, CCH+CV, CRL+CV, CRH+CV, and CP+CV. This comprehensive range of operating modes allows engineers to simulate various real-world load conditions for thorough power supply testing and validation. Compared to premium competitors like Chroma's 63200A series, the 375XA provides similar versatility at a more accessible price point whilst maintaining professional-grade functionality.
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What are the key technical specifications of the Array Electronic 375XA series electronic load?
The Array Electronic 375XA series features multiple models with power ratings from 1,500W to 5,000W and supports voltage ranges up to 240V with varying current capabilities. The 3751A model handles 0-150A current and delivers 2,000W power at 40°C, whilst the 3756A model supports up to 260A and 5,000W. These electronic loads incorporate 16-bit D/A converters and 24-bit A/D converters, providing exceptional setting and measurement resolution with D/A conversion rates reaching 500kHz. The minimum operating voltage is less than 1.8V at full rated current, making them particularly suitable for fuel cell, solar cell, and automotive charger testing applications.