DescriptionThe Damp Heat Test Chamber for solar panels is designed for PV module development, verification and long-term reliability testing. The chamber supports configurable sample racks to match panel dimensions and performs standardized 85 °C / 85% R.H. tests, as well as humidity-freeze and thermal cycling profiles for PV qualification.
PV Test & Capabilities- PV Test: accommodates various PV module sizes
- Test Temperature (Damp Heat): 85 °C ±2 °C
- Relative Humidity (Damp Heat): 85% ±5% R.H.
- Test Duration (Damp Heat): up to 1000 h
- Panel Capacity Options: 4 / 6 / 8 / 10 / 12 pieces
- Supported Tests: Damp Heat (DH), Thermal Cycle (TC), Humidity-Freeze (HF)
Standards & Compliance- IEC 61215 (including MQT 13 Damp Heat / MQT 11 Thermal Cycling / MQT 12 Humidity-Freeze)
- IEC 61646
- UL 1703
- IEC 62108
- IEEE 1513
- IEC 61730
- GB 9535
- GB 18911
- IEC 61215-2016 (DH 4.13, TC 4.11, HF 4.12) and IEC 61730-2016 (MST51/MST52/MST53)
Test Conditions (Damp Heat)- Temperature: 85 ± 2 °C
- Humidity: 85% ± 5% R.H.
- Testing duration: 1000 hours (typical long-term DH test)
- Purpose: assess module resistance to long-term humidity ingress
Humidity-freeze Test Conditions- Low temperature: -40 °C (configurable)
- High temperature: 85 °C
- Maximum temperature ramp rate: 200 °C/hour (≈ 3.33 °C/min) for rise and fall
- Cycle duration: 24 hours per cycle, typical test: 10 cycles (240 hours)
- Purpose: evaluate resistance to sequences of high humidity/high temperature followed by sub-zero conditions
Technical Specifications (model comparison)Model | Internal Dimension WxHxD (mm) | External Dimension WxHxD (mm) | Approx. Weight (Kg)
TH-80 | 400x500x400 | 950x1650x950 | 150
TH-150 | 500x600x500 | 1050x1750x1050 | 180
TH-225 | 600x750x500 | 1200x1900x1150 | 250
TH-408 | 600x850x800 | 1200x1950x1350 | 320
TH-800 | 1000x1000x800 | 1600x2000x1450 | 400
TH-1000 | 1000x1000x1000 | 1600x2100x1450 | 450
Temperature Range | Tmin options: A: 25 °C; B: 0 °C; C: -20 °C; D: -40 °C; E: -60 °C; F: -70 °C; Tmax options: 150 °C, 180 °C, 200 °C
Humidity Range | Optional: 20%~98% R.H. / 10%~98% R.H. / 5%~98% R.H.
Analytic Accuracy / Distribution Uniformity of Temperature and Humidity | 0.1 °C; 0.1% R.H. / ±2.0 °C; ±3.0% R.H.
Control Accuracy of Temperature and Humidity | ±0.5 °C; ±2.5% R.H.
Temperature Rising / Falling Speed Rate | Rising approx. 0.1~3.0 °C/min; Falling approx. 0.1~1.5 °C/min (1.5 °C/min falling as special option)
Material | Inner chamber: SUS 304# stainless steel; Outer shell: stainless steel or cold-rolled steel with paint; Insulation: high-temperature resistant, high-density foam
Cooling System | Air (fan) cooling or water cooling; single-stage compressor (to -40 °C), two-stage compressor (to -70 °C)
Protection Devices | Fuse-free switch; compressor overload protection; high/low refrigerant protection; over-humidity and over-temperature protection; fuses; fault alarm; water shortage warning
Optional Accessories | Inner door with operation hole; recorder; water purifier; dehumidifier; access ports and shelves
Compressor | Options: Tecumseh (France) or Bitzer (Germany) brands
Power | AC 220V 1ph 3 lines, 50/60 Hz OR AC 380V 3ph 5 lines, 50/60 Hz
Key Product Advantages- Compliant with IEC 61215 sequences for Damp Heat (MQT 13), Thermal Cycling (MQT 11) and Humidity-Freeze (MQT 12)
- Precise PID control with 7" touchscreen delivering ±0.5 °C and ±2.5% R.H. control accuracy for repeatable long-term tests
- Ramp rates sufficient for humidity-freeze and thermal cycling requirements
- Wide selectable temperature range down to -70 °C and up to +200 °C to cover extreme profiles
- Corrosion-resistant SUS 304 interior suitable for high-humidity exposure
- Comprehensive protections for safe long-term operation
Applications- PV module manufacturing: damp heat, thermal cycling and humidity-freeze testing for crystalline silicon and thin-film modules
- Solar cell R&D: design verification and durability assessment
- New energy & energy storage: environmental aging tests for batteries and components
- Third-party testing labs: certification and standard-compliant test programs
- Aerospace, automotive, electronics and research institutes for environmental stress testing
Technical features / specifications- Available models: TH-80, TH-150, TH-225, TH-408, TH-800, TH-1000
- Internal dimensions: 400x500x400 mm to 1000x1000x1000 mm depending on model
- Temperature range options: Tmin (selectable) down to -70 °C; Tmax options 150/180/200 °C
- Humidity control: configurable up to 98% R.H.
- Control accuracy: temperature ±0.5 °C; humidity ±2.5% R.H.
- Analytic resolution / uniformity: 0.1 °C; 0.1% R.H. / ±2.0 °C; ±3.0% R.H.
- Ramp rates: rise up to ≈3.0 °C/min; fall up to ≈1.5 °C/min (special option available)
- Construction: SUS 304 inner chamber; painted cold-rolled or stainless outer shell; high-density insulation
- Cooling: air or water cooling; single- or two-stage compressors depending on low-temperature requirement
- Safety: over-temp, over-humidity, compressor overload, water-shortage alarm, fault warnings
- Options: inner door operation hole, recorder, water purifier, dehumidifier, shelves, access ports
- Power supply: AC 220V single-phase or AC 380V three-phase (50/60 Hz)