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Item No. | Parameter Name | Technical parameters | |
1.1 | Equipment Name | Programmable Constant Temperature and Humidity Chamber | |
1.2 | Equipment Introduction | The Programmable Constant Temperature and Humidity Testing Machine, also known as the High-Low Temperature Alternating Damp Heat Testing Machine, falls under the category of large-scale climate simulation environmental equipment. It is suitable for conducting temperature and humidity aging tests on electrical and electronic products, including those used in new energy, automotive, household appliances, semiconductors, electronics, aerospace, universities and colleges, | |
1.3 | Equipment Model | BS-80AD | |
1.4 | Effective Volume | 80L | |
1.5 | Internal Chamber Dimensions | 400*500*400 (W*H*D)(mm) | |
1.6 | External Dimensions | Front-back Structure:650*1380*1350(W*H*D) (mm) Lateral Structure:950*1380*850(W*H*D) (mm) Subject to the final confirmed 3D drawing) | |
1.7 | Temperature Range | -40℃~150℃ | |
1.8 | humidity range | 20~98%R. H (Temp. & Humidity Comparison Table) | |
1.9 | Heating Rate | -40℃ ~ 150℃ ≥3℃/min (Full-process Non-linearity & No-load Acceptance) | |
1.10 | Cooling Rate | 150℃ ~ -40℃ ≥1℃/min (Full-process Non-linearity & No-load Acceptance) | |
1.11 | Temperature and Humidity Display Accuracy | Temperature:0.01℃ Humidity:0.1%R.H | |
1.12 | Temperature and Humidity Deviation | Temperature:±2℃ Humidity: When ≥75%RH, the humidity error shall be ≤+2 to -3%RH Humidity: When <75%RH, the humidity error shall be ≤+5%RH | |
1.13 | Temperature and Humidity Fluctuation | Temperature:≤±0.5℃ Humidity:+2/-3%R.H | |
1.14 | Temperature and Humidity Uniformity | Temperature:≤2℃ Humidity:+2/-3%R.H | |
1.15 | Cooling Method | Air Cooling | |
1.16 | Weight | 250KG | |
1.17 | Power | 220V/3KW | |
1.18 | Others | All the above performance indicators refer to the data measured under the conditions of no load, no test sample, and ambient temperature of 25±2℃. Operating Noise:70dB (measured at 1 meter from the chamber door and 1.5 meters in height). | |
Item No. | Standards | Explanation of Standards | |
2.1 | General standards | GB/T2423.2-2008 Test Method:High Temperature | |
GB/T 2423.1-2008 Test method: Low Temperature | |||
GJB150.4A-2009 Low Temperature Test Method | |||
GJB150.3A-2009 High Temperature Test Method | |||
G/BT 2423.4-2008/IEC6008-2-30:2005 Test Db: Alternating Damp Heat Method | |||
GBT 2424.6-2006 Environmental Testing for Electrical and Electronic Products - Performance Qualification Report of Temperature and Humidity Test Chambers | |||
GB/T10586-2006 Technical Specifications for Damp Heat Test Chambers | |||
GBT 2424.5-2006 Environmental Testing for Electrical and Electronic products - Performance Qualification Report of Temperature Test Chambers | |||
2.2 | Acceptance Execution Standards | Manufacturing Standards:GB/T10586-2006,GB/T10592-2008 | |
VerificationStandards:GB/T5170.2-2017,GB/T5170.5-2016 | |||
Technical Standards: Acceptance shall be conducted in accordance with the signed technical index requirements | |||
Item No. | Description | Technical Specification Parameters | |
3.1 | Cabinet Structure | Integrated (left-right/front-back) frame structure, welded with national standard channel steel. The equipment is sturdy and durable, with low vibration and low noise during operation, while ensuring the overall reliability and safety performance of the equipment. | |
3.2 | Inner Chamber Material | It adopts 1.0mm-thick SUS #304 stainless steel. The entire inner chamber is fully welded to ensure its sealing performance, with a reinforced bottom design that supports an average load of ≥300KG. | |
3.3 | Outer Shell Material | It adopts cold-rolled steel plates with a thickness of 1.2mm, featuring double-sided spraying treatment and a blue-white color(Customizable according to customer requirements, color samples or color codes are available upon request). | |
3.4 | Thermal Insulation Material | The thermal insulation layer has a thickness of 100mm and uses fire-resistant, high-strength rigid polyurethane foam insulation material. Thermal insulation coefficient: less than 0.0212 kcal/(m.hour). | |
3.5 | Cabinet Door Structure | It is a single door, a double-layer silicone rubber sealing strip is used between the door and the chamber to ensure sealing performance, featuring resistance to high and low temperatures and anti-aging properties. An anti-condensation and anti-frost electric heating device is installed on the door frame and door edge to prevent condensation from forming on the chamber surface. | |
3.6 | Test Observation Window | One vacuum multi-layer explosion-proof glass viewing window is provided; the surrounding area of the window is equipped with coated heating for anti-frost protection to prevent water vapor condensation. A safe, high-brightness, energy-saving lighting lamp (with manual on/off control) is installed above the viewing window. | |
3.7 | Air Duct Components | It adopts a circulating fan with a motor, an aluminum extended shaft, and a high/low temperature-resistant aluminum alloy multi-blade circulating fan, achieving forced convection vertical diffusion circulation. The air outlet is adjustable. | |
3.8 | Sample Shelf | It is made of stainless steel, equipped with 2 sets of brackets, and can be freely adjusted up and down (customizable according to customer requirements). | |
3.9 | Test Port | One test port with a diameter of 50mm is reserved on the left side of the chamber, and one set of silicone plug + sealing cover is provided. | |
3.10 | Three-Color Indicator Light | Green for normal operation, yellow for standby, and red for fault alarm. | |
3.11 | Drainage Trough | Drainage troughs are provided around the interior of the cabinet, facilitating the discharge of condensed water and preventing internal water accumulation. | |
3.12 | Balance Hole | A pressure balance hole is installed inside the chamber to balance the pressure between the inside and outside of the chamber. | |
3.13 | Swivel Caster | Swivel casters are installed at the bottom of the equipment, facilitating the relocation, movement and positioning of the equipment. | |
Item No. | Description | Technical Specification Parameters | |
4.1 | Air Supply Method | It adopts a forced internal circulation mode with top air supply and bottom air return. The air deflector at the air outlet can disperse cold and hot air to the entire interior of the chamber, ensuring uniform and stable distribution. | |
4.2 | Circulation Motor | It is a long-shaft motor, installed outside the chamber, avoiding the influence of temperature and humidity inside the chamber. The long shaft extends directly into the interior of the chamber, with silicone insulation and sealing. | |


