HD-E918 Bypass Diode Thermal Test Machine is primarily used to detect the protective performance and heat generation of bypass diodes in photovoltaic modules under hotspot effects.

Technical Specifications

Part 1: Bypass Diode Test Parameters

Item	Specification
Pulse Power Supply	20μs~999s (adjustable)
Current Range	0-60A; Deviation ±2%
Voltage Range	0-5V; Deviation ±2%
DC Power Supply Current Range	0-60A; Deviation ±1%
DC Power Supply Voltage Range	0-20V; Deviation ±1%
Temperature Acquisition Channel Accuracy	≤1℃
Voltage Acquisition Accuracy	≤0.2V
Functional Test	Diode I-V curve <1s
Thermal Runaway Test	Forward current → Reverse voltage ≤10ms
Power	Single phase, 220V, 50Hz

Part 2: Thermal Oven Parameters

Item	Specification
Internal Dimension	400×400×400mm (W×D×H)
External Dimension	760×690×1720mm (W×D×H)
Temperature Range	RT~200℃
Temperature Display Accuracy	0.1℃
Temperature Stability	±1.0℃
Temperature Uniformity	±2℃
Temperature Rise Time	5℃/min in average
Controller	Touch screen control
Inner Chamber Material	Stainless steel plate
External Chamber Material	Cold rolled steel plate baking varnish treatment
Observation Window	250×250mm
Lighting Device	Internal lighting for easy sample observation
Box Door	Single door left open with explosion-proof chain
Test Holes	2 test holes (50mm diameter) for temperature, voltage, current collection lines
Insulation Material	High efficiency compressed glass wool
Safety Devices	Over-temperature alarm, pressure relief port (200×200mm)
Air Circulation System	Convection air circulation system
Weight	Approx. 170kg
Power	Single phase 220V, 50Hz

Test Standards

IEC61215-2: 2021 MQT 8 Bypass Diode Testing
IEC 62979:2017 Photovoltaic modules - Bypass diode-Thermal runaway test
IEC 63126:2020 Guidelines for qualifying PV modules, components and materials for operation at high temperatures

Company Profile

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Our Service Advantages

Remote Support

48-hour response guarantee for technical issues
Solution provision within 3 working days
Operation videos and English manuals provided
Video conference support available

Onsite Services

Professional device installation
Equipment operation and technical training
Equipment calibration services
Daily maintenance and equipment care
Free technical training for visiting factories
24-hour online contact support
Free software upgrades

Documentation & Resources

Comprehensive product instructions
Detailed operation instructions and videos
Experiment test applications and reports

Problem Resolution

24-hour social media communication
Seamless email support
Video conferencing solutions
Free door-to-door technical service

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products details

Tensile Testing Machines

Environmental Test Chambers

PV Module Testing Equipment

Temperature Humidity Chambers

Aging Test Chamber

IP Test Chamber

Salt Spray Corrosion Test Chamber

Furniture Testing Machines

Bathroom Products Test Machine

Vibration Test System

Optical Measuring Instruments

Paper Packaging Testing Instruments

Ink Printing Test Machine

Tissue Paper Tester

Medical Device Tester

Rubber Plastic Test Equipment

Reliability Testing Machine

Cookware Testing

Ceramic Tester

Textile Testing Equipment

ISTA Standard Test Machine

Battery Test Equipment

Chemical Analysis Machine

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