Introduction to Environmental Testing Chambers and Market Demand
Environmental testing chambers, such as those manufactured by LISUN, are critical for validating product reliability under controlled temperature and humidity conditions. Industries ranging from automotive electronics to medical devices rely on these chambers to simulate real-world operating environments, ensuring compliance with international standards such as IEC 60068, MIL-STD-810, and ISO 16750. The GDJS-015B and HLST-500D models are among LISUN’s most advanced offerings, designed for precision testing in high-demand applications.
This guide provides a structured analysis of pricing determinants, technical specifications, and industry-specific use cases for LISUN’s temperature and humidity chambers. Emphasis is placed on the GDJS-015B, a benchtop model optimized for small-to-medium component testing, and its competitive positioning in the market.
Key Specifications of the LISUN GDJS-015B Temperature and Humidity Chamber
The GDJS-015B is engineered for stability and accuracy, featuring a temperature range of -70°C to +150°C and humidity control between 20% to 98% RH. Its compact design (internal volume: 150L) makes it suitable for laboratories with space constraints while maintaining performance parity with larger industrial units.
Technical Parameters
| Parameter | Specification |
|---|---|
| Temperature Range | -70°C to +150°C |
| Humidity Range | 20% to 98% RH |
| Temperature Fluctuation | ±0.5°C |
| Humidity Fluctuation | ±2.5% RH |
| Heating Rate | 3°C/min (average) |
| Cooling Rate | 1°C/min (average) |
| Internal Dimensions | 500 × 500 × 600 mm (W × D × H) |
| Power Supply | 220V, 50Hz (customizable) |
The chamber utilizes a cascade refrigeration system for ultra-low temperature performance and a PID-controlled humidification system to ensure rapid humidity stabilization. These features make it particularly effective for testing sensitive electronic components, where thermal cycling and moisture resistance are critical.
Testing Principles and Compliance Standards
The GDJS-015B adheres to multiple international testing protocols, including:
- IEC 60068-2-1/2: Environmental testing for electrical equipment (cold and dry heat resistance).
- IEC 60068-2-78: Damp heat testing for electronic assemblies.
- MIL-STD-810G: Military-grade environmental stress screening.
Testing methodologies include:
- Thermal Shock Testing: Rapid transitions between extreme temperatures to assess material fatigue.
- Humidity Aging: Prolonged exposure to high humidity to evaluate corrosion resistance in connectors and PCBs.
- Steady-State Conditioning: Maintaining fixed conditions to verify long-term operational stability.
Industry Applications of the GDJS-015B
1. Automotive Electronics
Automotive components, such as ECUs, sensors, and infotainment systems, undergo rigorous environmental validation. The GDJS-015B’s rapid temperature cycling capability ensures compliance with AEC-Q100 and ISO 16750-4 standards, which mandate resistance to thermal stress in vehicle applications.
2. Medical Devices
Implantable devices and diagnostic equipment must withstand sterilization cycles and storage conditions. The chamber’s precision humidity control is critical for testing ISO 10993-1 biocompatibility requirements.
3. Telecommunications Equipment
5G base stations and fiber-optic transceivers are subjected to Telcordia GR-63-CORE testing, which includes humidity resistance and thermal endurance validation.
4. Aerospace and Aviation Components
Avionics systems require testing under RTCA DO-160 conditions, where rapid decompression and extreme temperature fluctuations are simulated.
Pricing Determinants for LISUN Temperature and Humidity Chambers
The cost of the GDJS-015B is influenced by several factors:
- Performance Range – Extended temperature and humidity capabilities increase costs due to advanced refrigeration and dehumidification systems.
- Control System – Models with touchscreen PLC interfaces and data logging are priced higher than basic versions.
- Customization – Modifications such as additional test ports, reinforced insulation, or specialized shelving impact pricing.
- Regulatory Compliance – Chambers certified for CE, UL, or GJB standards may carry a premium.
Estimated Price Range (2024 Market Data)
| Model | Base Price (USD) | Customization Add-Ons |
|---|---|---|
| GDJS-015B (Standard) | $8,500 – $12,000 | +$1,500 (Enhanced Data Logging) |
| GDJS-015B (Extended Range) | $11,000 – $15,000 | +$2,000 (Military-Grade Certification) |
Competitive Advantages of the GDJS-015B
- Energy Efficiency – The cascade refrigeration system reduces power consumption by 18% compared to single-stage compressors.
- Modular Design – Optional accessories, such as viewport lighting or additional shelves, enhance flexibility.
- Precision Control – Advanced PID algorithms minimize overshooting in humidity and temperature transitions.
Frequently Asked Questions (FAQ)
1. What industries benefit most from the GDJS-015B?
The chamber is widely used in automotive electronics, medical devices, and telecommunications due to its precise environmental control and compliance with industry-specific standards.
2. Can the GDJS-015B simulate altitude conditions?
No, this model is optimized for temperature and humidity testing only. For altitude simulation, LISUN’s HLST-500D (with combined environment capabilities) is recommended.
3. What maintenance is required for long-term operation?
Regular calibration (annually), condenser cleaning (quarterly), and humidity sensor replacement (every 2–3 years) are recommended.
4. Does the chamber support remote monitoring?
Yes, optional Ethernet or RS-485 interfaces enable real-time data logging and remote control.
5. How does the GDJS-015B compare to competitors like ESPEC or Thermotron?
While ESPEC offers broader customization, the GDJS-015B provides superior cost-efficiency for small-to-medium testing volumes without compromising accuracy.
This guide serves as a comprehensive reference for procurement specialists, quality assurance teams, and R&D engineers evaluating LISUN’s environmental testing solutions.
