Description
PW-CTH80-40 Constant Temperature and Humidity Test Chamber
The A Series Energy-Saving Programmable Temperature and Humidity Chamber is a new model recently launched by PW INSTRUMENTS(GUANGDONG) CO., LTD. It features a Sanyo compressor group from Japan, paired with a Saginomiya electronic expansion valve. The chamber utilizes a controller independently developed by PW Instruments that employs an electronic driving method to control the flow rate of the electronic expansion valve. This technology reduces the heating power of the heating elements and humidifying tubes, thereby minimizing energy consumption. It also effectively reduces the water usage during humidity testing, ultimately lowering the costs of electricity and pure water. The chamber’s structureseparates water and electricity to prevent short circuits and personal injuries. With modular control technology, the refrigeration system is optimized to be more streamlined with lower failure rates. It effectively controls the high temperature or frosting issues caused by the return air temperature in the compressor, reducing compressor failures and extending its service life. Under temperature and humidity testing conditions, the chamber provides more stable temperature and humidity, and superior performance.
Temperature range: -40℃～150℃
Humidity range: 10%～98%RH
Heating time: -40℃～+100℃ within 40min (no load)
Cooling time: +20℃～-40℃ within 60min (no load)
Control stability: temperature ±1.0℃, humidity ±1.0%RH
Control uniformity: temperature ±2.0℃, humidity ±3.0%RH
| Model | PW-CTH80-40A | PW-CTH100-40A | PW-CTH150-40A | PW-CTH225-40A | PW-CTH408-40A | PW-CTH1000-40A |
| Volume | 80L | 100L | 150L | 225L | 408L | 1000L |
| a | 400 | 500 | 500 | 600 | 800 | 1000 |
| b | 400 | 400 | 500 | 500 | 600 | 1000 |
| c | 500 | 500 | 600 | 750 | 850 | 1000 |
| A | 680 | 700 | 700 | 800 | 1000 | 1200 |
| B | 1200 | 1310 | 1410 | 1410 | 1510 | 1910 |
| C | 1620 | 1455 | 1570 | 1705 | 1680 | 1900 |
| Temperature Range | -40~150℃ (Different temperature ranges correspond to different models, please call or email for consultation) | |||||
| Total Power | About 5KW | About 6KW | About 6.5KW | About 7KW | About 8KW | About 10KW |
| Voltage | 220 | 220 | 220 | 380 | 380 | 380 |
Structural Materials:
- Inner Chamber Material: Mirror finish stainless steel plate (SUS#304).
- Outer Chamber Material: First-grade steel plate with electrostatic spray coating.
- Base Material: National standard angle iron.
- Insulation Material: Rigid Polyurethane foam + glass wool.
Air Circulation System:
- 90W Motor.
- Extended shaft.
- Multi-blade impeller.
- Special adjustable louvers air circulation system.
Chamber Door: Single door, left opening, handle on the right side.
Window: Triple vacuum layer.
Door Latch: Embedded non-reactive flat handle.
Rear Knob: SUS#304.
Viewing Light: 5W.
Test Hole: One 50mm test hole on the left side of the chamber body, with one silicone plug.
Environmental Requirements:
- a. Power supply: AC, 50/60Hz, 220/380V b. Maximum current: 30A
- Operating ambient temperature requirements: 0℃ to 33℃
- Performance guarantee temperature environment requirements: 5℃ to 28℃
- Relative humidity requirements for the operating environment: ≤85% RH
- Atmospheric pressure in the operating environment: 86 to 106 kPa
Product Advantages
Structural and System Design Strengths
The PW-CTH80-40 stands out due to its modular refrigeration architecture, which simplifies maintenance and reduces downtime, reflecting advanced system integration typical of leading humidity chamber manufacturers. The design incorporates electrical and water separation to mitigate short-circuit risks, enhancing safety compliance. The use of premium components such as the Sanyo compressor group and Saginomiya expansion valve improves reliability under intensive cycling. This modular construction facilitates scalability across multiple chamber volumes while maintaining consistent performance, aligning with best practices for climatic test chamber design in controlled environmental testing applications.
Operational Performance and User Benefits
From a usability perspective, the chamber features precise electronic valve modulation that optimizes energy efficiency and reduces water consumption during humidity tests. Its programmable interface delivers user-friendly operation with stable environmental control accuracy of ±1.0°C and ±1.0% RH. The robust temperature uniformity and rapid heating/cooling capabilities enhance throughput and testing consistency. Operators benefit from reduced maintenance needs and stable long-term operation enabled by frost-mitigating technology, which prolongs compressor lifespan. Overall, it offers excellent value in test repeatability and operational cost reduction, attributes critical for high-demand users of temperature humidity chambers.
Use Scenarios
Application in Electronics Component Conditioning
Within electronics manufacturing environments, the PW-CTH80-40 serves as a critical instrument for conditioning printed circuit board assemblies and verifying electronic component reliability under varied climatic stresses. Its precise control over temperature from -40°C to 150°C and humidity levels from 10% to 98% RH enables simulation of real-world operational conditions that affect performance and failure modes. The chamber’s stable environment supports compliance testing for moisture sensitivity and endurance benchmarks, integrating seamlessly with quality assurance workflows for accelerated lifecycle validation. This capability affirms its relevance as an advanced climatic test chamber tailored to the needs of electronics industry professionals.
Role in Materials Aging and Environmental Stress Testing
In materials science and product development laboratories, this constant temperature and humidity test chamber is instrumental for aging and stability assessments of polymers, coatings, and adhesives. It provides accelerated climate exposure by cycling temperature and humidity to identify degradation mechanisms and durability under fluctuating environments. Its programmable precision and uniformity allow controlled replication of harsh conditions, essential for product certification and R&D feedback loops. The chamber’s scalable design and energy-efficient operation facilitate integration into test labs aiming for rigorous environmental validation while optimizing throughput and resource use, supporting manufacturing sectors seeking consistent quality through environmental simulation.
FAQ
What are the key temperature and humidity ranges of the PW-CTH80-40 chamber?
Our constant temperature and humidity test chamber operates from -40°C to 150°C in temperature and 10% to 98% RH in humidity, ensuring versatile environmental testing. The chamber maintains control stability within ±1.0°C and ±1.0% RH for precise, repeatable test conditions.
Can the PW-CTH80-40 be customized for different chamber volumes?
Yes, we offer multiple models of the humidity chamber manufacturer lineup featuring volumes from 80 L up to 1000 L. This scalable approach allows you to select a chamber size matching your testing capacity and operational requirements, ensuring an optimal fit for your processes.
How does PW Instruments ensure the safety and energy efficiency of the chamber?
We use a proprietary controller with electronic valve control that reduces heating element power and water consumption. The design separates water and electrical parts to prevent short circuits, delivering both energy-saving operation and enhanced safety during humidity test chamber use.
What support is available for installation and maintenance of the PW-CTH80-40?
We provide detailed documentation and guidance to assist with installation, including power requirements (220 V for smaller models, 380 V for larger). Our modular refrigeration system simplifies maintenance, reduces failure rates, and extends compressor life for reliable performance. Contact us for expert assistance.
