Product Overview
ALP Technology's High-Low Temperature and Humidity Chamber is a versatile environmental testing solution designed to subject products to controlled temperature and humidity conditions . This chamber is widely used across industries such as electronics, automotive, aerospace, and new energy for evaluating the performance, reliability, and durability of materials, components, and complete products under climatic stress . By precisely simulating extreme temperatures ranging from -70°C to +150°C and humidity conditions from 10% to 98% RH, the chamber helps manufacturers accelerate product development, uncover design weaknesses, and ensure compliance with international quality standards . Equipped with a user-friendly programmable controller and advanced refrigeration technology, the high-low temperature and humidity chamber delivers accurate, repeatable, and efficient testing, making it an essential tool for R&D, quality assurance, and certification processes.
Product Features
ALP's Constant Temperature Test Chamber is engineered with robust construction and intelligent features for reliable, long-term operation:
- Precision Temperature Control: Touch screen programmable controller
- Outer material: cold-roll steel sheets with surface spray
- Inner material: stainless steel SUS304
- Insulation materials: rigid polyurethane foam + fiberglass
- Door insulation materials: glass fiber
- Components brand: Schneider and other well-known brands
- Superior Air Circulation & Uniformity: A forced air circulation system with a high-quality centrifugal fan ensures uniform temperature distribution (≤±2°C) and humidity distribution throughout the working area, avoiding dead corners .
- Reliable Refrigeration System: Utilizes imported, environmentally-friendly compressors (e.g., Tecumseh, Copeland, Bitzer) and refrigerants (R404A, R23), with air-cooled or water-cooled condenser options available .
- Comprehensive Safety Protections: Equipped with multiple independent safety devices, including over-temperature protection, compressor overload/overpressure protection, phase sequence protection, electrical leakage protection, humidifier fault protection, and emergency stop .
- User-Friendly Accessories: Includes a large anti-fog observation window, adjustable stainless steel shelves, cable ports (e.g., φ80mm) for powering test samples, and internal lighting for clear visibility during testing.
Applicable Test Standards
ALP's high-low temperature and humidity chamber is designed to comply with a wide range of internationally recognized testing standards:
- GB/T 2423.1 / IEC 60068-2-1: Test A: Cold
- GB/T 2423.2 / IEC 60068-2-2: Test B: Dry Heat
- GB/T 2423.3 / IEC 60068-2-78: Test Cab: Damp heat, steady state
- IEC 60068-2-30: Damp heat, cyclic test
- MIL-STD-810 / GJB 150: High temperature, low temperature, and damp heat for military equipment
- ISO 16750-4: Road vehicles – Environmental conditions for electrical/electronic equipment
- IEC 60598-1: Luminaires – General requirements and tests
- JESD22-A104: Temperature Cycling for semiconductor devices
Technical Specifications
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Specs & Technical Parameters |
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Model |
ALP-GDWS100 |
ALP-GDWS225 |
ALP-GDWS500 |
ALP-GDWS1000 |
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Workroom Dimensions (mm) |
450*450*500 |
500*600*750 |
700*800*900 |
1000*1000*1000 |
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Exterior Dimensions (mm) |
1050*970*1760 |
1050*1020*2000 |
1320*1320*2170 |
1700*1520*2310 |
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Power |
5.0 KW |
7.0 KW |
9.0 KW |
12.0 KW |
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Temperature Range |
A:-20℃～+150℃ B:-40℃～+150℃ C:-60℃～+150℃ D:-70℃～+150℃ |
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Humidity Range |
20~98% R.H |
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Fluctuation/Evenness |
≤±0.5℃/≤±2℃ |
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Humidity Deviation |
+2, -3% R.H |
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Temperature Rise Speed |
1.0~3.0℃/min |
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Temperature Fall Speed |
0.7~1.0℃/min |
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FAQ
Q1: What types of tests can be performed with this chamber?
A: The chamber supports a variety of tests, including heat endurance, cold endurance, dryness endurance, humidity endurance, steady-state damp heat (SSDH), and cyclic damp heat (CDH), depending on your test requirements and applicable standards.
Q2: Can I program custom test profiles?
A: Yes. The programmable controller supports complex, multi-segment profiles. You can set ramp rates, dwell times, number of cycles, and humidity levels to simulate specific real-world environmental conditions.
Q3: What safety features does the chamber include?
A: The chamber is equipped with multiple independent safety devices, including over-temperature protection (three levels), compressor overload/overpressure protection, phase sequence and voltage protection, humidifier fault protection, and electrical leakage protection.
Q4: Can I monitor the test sample during operation?
A: Yes. The chamber features a large, anti-fog observation window with an electric heating device to prevent condensation and frost, ensuring clear visibility even at low temperatures.
Q5: Can ALP customize the chamber size or performance?
A: Yes. ALP's greatest advantage lies in its ability to customize a variety of non-standard test chambers according to specific customer requirements, including dimensions, temperature range, humidity range, and optional accessories.
Why Choose ALP Technology?
ALP Technology (T&M) Ltd is a specialized factory with over 20 years of experience in manufacturing and exporting environmental test chambers . We offer a comprehensive range of solutions, including temperature/humidity, thermal shock, salt spray, sand/dust, UV, and walk-in chambers. Our greatest strength lies in our ability to customize non-standard test chambers according to your specific requirements, from design and production to installation and maintenance . With clients spanning government labs, Fortune 500 companies, and leading research organizations across 50+ countries, ALP delivers reliable, precise, and cost-effective testing solutions backed by comprehensive warranty and lifelong follow-up services
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