
Key Features
Overview
The Array 3710A delivers professional-grade electronic load testing capabilities in a compact benchtop form factor. This versatile instrument excels at battery discharge testing, power supply validation, and DC circuit characterisation with its three operating modes and comprehensive protection features.
Designed for engineering applications requiring precise load simulation, the 3710A offers excellent measurement accuracy with 0.2% voltage and current precision across its full operating range. The intuitive LCD interface and programmable memory functions streamline repetitive testing procedures whilst RS232/USB connectivity enables seamless integration into automated test systems.
Engineers particularly value its ultra-low minimum resistance (<0.08Ω) which ensures accurate testing of modern low-voltage, high-current power sources including point-of-load converters and fuel cells. The robust construction and comprehensive safety features make it suitable for both laboratory research and production testing environments.
Why Engineers Choose The Array 3710A 150W Programmable DC Electronic Load 0-360V 0-30A
High Voltage Capability
Versatile Testing Modes
Automation Ready
Professional DC Electronic Load Testing Solution
The Array 3710A is a single-channel programmable DC electronic load designed for comprehensive testing of batteries, DC power supplies, solar panels, and power driver circuits. With its 150W power dissipation capability and wide voltage range up to 360V, this instrument provides precise constant current, constant power, and constant resistance testing modes essential for power source validation and characterisation.
Operating Modes & Applications
Key Specifications
Parameter | Range | Accuracy |
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Input Voltage | 0-360V DC | 0.2% + 3-300mV |
Input Current | 0-30A DC | 0.2% + 3-30mA |
Input Power | 0-150W | - |
Resolution | 1mV, 1mA | - |
Min. Resistance | <0.08Ω | - |
User Interface & Control
Features a backlit LCD display showing real-time voltage, current, and power measurements with 1mV/1mA resolution. The intuitive front panel includes numeric keypad entry and rotary encoder for precise adjustments. Store up to 10 sequential test programmes in EEPROM memory for automated testing sequences.
Connectivity & Automation
Equipped with RS232/RS485/USB interfaces for PC control and remote operation. Compatible with included Electronic Load software plus ActiveX and DLL support for custom applications using VB, VC++, Delphi, and LabVIEW integration.
Protection & Safety Features
- Over-voltage, over-current, and over-power protection
- Over-temperature monitoring with automatic shutdown
- Reverse polarity detection and protection
- Ultra-low conductive resistance (<0.08Ω) for accurate low-voltage testing
General Information | |
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Part Number (SKU) |
3710A
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Manufacturer |
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Physical and Mechanical | |
Product Weight |
5.0 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 |
5055383600595
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Frequently Asked Questions
Have a Question?
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How does the 3710A compare to the higher-power 3711A model?
The 3710A offers 150W maximum power whilst the 3711A provides 300W. All other specifications including voltage range, current capability, and accuracy are identical.
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Does the unit include software and interface cables?
Standard accessories include user manual, AC power cable, handle bars, and Electronic Load software CD. Interface adapters for RS232, RS485, and USB are optional.
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What is the minimum operating voltage for full current capability?
The ultra-low conductive resistance of <0.08Ω enables full 30A current capability down to very low voltages, ideal for modern point-of-load testing.
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What protection features prevent damage during testing?
Comprehensive protection includes over-voltage, over-current, over-power, over-temperature monitoring, and reverse polarity detection with automatic shutdown.
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How many test sequences can be stored in memory?
The unit stores up to 10 sequential test programmes in EEPROM memory, each programme can contain multiple steps for automated testing procedures.
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What programming and connectivity options are available?
Features RS232, RS485, and USB interfaces with included Electronic Load software. Also supports ActiveX/DLL for custom LabVIEW, VB, VC++, and Delphi applications.
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Can multiple 3710A units be connected together?
Yes, multiple units can be connected in parallel to increase overall power handling capacity for testing higher-power sources exceeding 150W.
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How accurate are the voltage and current measurements?
Voltage accuracy is 0.2% + 3-300mV depending on range. Current accuracy is 0.2% + 3-30mA depending on range. Resolution is 1mV for voltage and 1mA for current.
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What are the three operating modes and when do I use each?
Constant Current (CC) for battery discharge testing, Constant Power (CP) for consistent load simulation, and Constant Resistance (CR) for voltage regulator testing and resistive load simulation.
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What power sources can the Array 3710A test?
The 3710A tests DC power supplies, rechargeable batteries, solar panels, fuel cells, DC-DC converters, and power driver circuits up to 150W, 360V, 30A.