Photovoltaic module damp heat test chamber

The Photovoltaic Module Damp Heat Test Chamber is designed to simulate long-term tropical aging conditions for photovoltaic modules and related electronics. By combining high temperature and high humidity control, the system enables accelerated evaluation of module reliability, encapsulant degradation, and potential PID (Potential Induced Degradation) effects. It is suitable for R&D laboratories, quality assurance, and certification testing in compliance with international standards.

Application

Accelerated aging tests of photovoltaic modules under high temperature and humidity.

Evaluation of PID resistance and encapsulant performance.

Reliability testing of batteries, PV modules, and electronic assemblies in wet and humid conditions.

Indoor certification and R&D testing for IEC/UL compliance.

Standards

IEC 61215: Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval

UL 1073: Standard for Safety for Enclosures for Electrical Equipment

ISO 16750-4: Road Vehicles – Environmental Conditions and Testing for Electrical and Electronic Equipment

CE Certification (Conformité Européenne)

Features

Extreme Environmental Simulation: 85°C ±2°C / 85% RH control replicates 10+ years of tropical aging in 1,000 hours.

Ultra-Stable Performance: ±1°C temperature stability and ≤2°C uniformity for consistent long-term testing.

Energy Efficiency: Advanced insulation and heat recovery reduce power consumption by 40%; ECO mode for auto power-down during stabilization.

Safety First: Dual overload protection with thermal cutout and door interlock system.

Smart Diagnostics: AI-powered degradation prediction using IV curve shifts and EL imaging data; remote monitoring via 4G/LTE.

Flexible Operation: Dual-chamber design enables simultaneous wet/dry testing; modular expansion up to 1,500 L for full-size PV arrays.

User-Friendly Interface: 10” touchscreen HMI with preloaded IEC/UL test profiles and automated condensation drainage.

Glovebox Compatibility: Oxygen/moisture controlled operation for sensitive electronics.

Parameters

Parameter	Specification
Temperature Range	30°C to 85°C (operational)
Temperature Stability	±1°C (at 85°C setpoint)
Temperature Uniformity	≤±2°C (empty chamber)
Humidity Range	30%–95% RH (non-condensing)
Humidity Stability	±2.5% RH (at 85% RH)
Chamber Volume	500 L (standard), expandable to 1,500 L
Power Supply	380V/415V, 3-phase, 50/60Hz
Dimensions (W×D×H)	1,200 mm × 1,800 mm × 2,000 mm
Weight	800 kg (net) / 1,200 kg (gross)

Accessories

Testing Kit: 4x universal sample racks (adjustable for batteries/PV modules/PCBAs), 10x humidity sensor calibration capsules

Software Suite: License key for EnviroTest Pro (Windows/Linux), 1-year free access to cloud-based test report generator

Calibration & Safety: NIST-traceable temperature/humidity logger, emergency eyewash station (portable)

Maintenance Kit: Spare heating elements and refrigerant filters, chamber cleaning solution (non-corrosive)

Documentation: Multilingual quick-start guide (printed + digital)

Test Procedures

Install test samples securely on the sample racks.

Set desired temperature and humidity profile using the touchscreen HMI.

Initiate the test cycle and monitor chamber conditions.

Record environmental data and any module performance changes throughout the test.

Complete the test and perform post-test inspection of modules or assemblies.

Export test reports for analysis or certification documentation.

Maintenance Information

Inspect heating elements, humidity sensors, and chamber seals regularly.

Clean interior surfaces and drainage channels to prevent mold or corrosion.

Verify calibration of temperature and humidity sensors periodically with NIST-traceable standards.

Replace worn or degraded components (heating elements, filters) according to operational hours.

Ensure safety interlocks and emergency systems are functional before operation.

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