Constant Temperature Humidity Machine for precise environmental control. It maintains 5–38°C and 45–95% RH with high accuracy. Equipped with international brand compressors, smart touch control, and eco-friendly refrigerants, it ensures 24/7 stable operation, energy efficiency, and reliable protection.
1. Precise Temperature & Humidity Control
Our constant temperature and humidity machine provides continuous and stable regulation to create the ideal environment for sensitive storage and operations.
Temperature Range: 5°C – 38°C
Humidity Range: 45% – 95% RH
Control Accuracy: ±0.5°C / ±3%RH
Designed for 24/7 operation with minimal fluctuations, ensuring consistent performance in archives, warehouses, laboratories, and more.
2. Advanced Structure & Intelligent Operation
Built with robust materials and high-end components for durability and reliability.
Stainless steel inner tank & insulated panels for long-lasting performance
International brand compressor with three-minute automatic delay protection
Integrated humidification and dehumidification systems
Touch screen panel with real-time monitoring
Remote control via APP / WiFi / RS-485 interface, enabling multi-unit online management
3. Wide Application Scenarios
Our solution ensures optimal preservation and operating conditions across industries:
Archives & Museums – Prevent mold, insects, and aging of valuable documents and artifacts
Warehouses for Food & Pharma – Protect inventory from moisture and spoilage
Wine Cellars – Maintain a constant climate for optimal aging
Server Rooms & Laboratories – Guarantee reliable operation of precision instruments
Industrial Workshops & Storage – Large air circulation capacity meets diverse humidity control demands
4. Energy-Saving & Reliable Protection
Engineered to reduce energy consumption while ensuring safe long-term use
High-efficiency compressor & eco-friendly refrigerant (R410A/R22)
Multiple safety protections: low-pressure refrigerant protection, water shortage alarm, over-temperature cut-off, automatic defrosting
Fault codes are displayed in real-time for quick troubleshooting
Stable operation in working conditions from 5°C to 38°C, suitable for year-round use
click images above to enlarge
Ruiwang is constant temperature and humidity machine manufacturer the development of a temperature control and humidity control precision air conditioning equipment, can be controlled remotely through RS485 and other ways. It is a working system through the compressor, through the hot and cold positive and negative offset, humidity and neutralisation principle, by its control system for centralised control, in order to achieve the requirements of temperature and humidity control, mainly used in indoor environments with high requirements for air humidity and temperature.
| Model | RWHF-901E | RWHF-1501E | RWHF-1681E | RWHF-2481E | RWHF-3881E | RWHF-4881E | RWHF-7281E | RWHF-9681E |
|---|---|---|---|---|---|---|---|---|
| Capacity (30°C, RH80%) | 90L/D | 150L/D | 168L/D | 240L/D | 360L/D | 480L/D | 720L/D | 960L/D |
| Voltage Frequency | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Power Input | 9.2kw | 9.8kw | 11.3kw | 12.7kw | 18.1kw | 21.1kw | 26.6kw | 35.8kw |
| Cooling Capacity | 3.5kw | 5.4kw | 9kw | 15kw | 20kw | 30kw | 40kw | 60kw |
| Electric Heaters | 5kw | 5kw | 6kw | 6kw | 7.5kw | 7.5kw | 11kw | 11kw |
| Circulating Air Flow | 1000m³/h | 1200m³/h | 2000m³/h | 2500m³/h | 3500m³/h | 4000m³/h | 6000m³/h | 8000m³/h |
| Control Temperature | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C |
| Control Humidity | 10%-95% | 10%-95% | 10%-95% | 10%-95% | 10%-95% | 10%-95% | 10%-95% | 10%-95% |
| Refrigerant | R410A | R410A | R410A | R410A | R410A | R410A | R410A | R410A |
| Weight | 130kg | 140kg | 170kg | 210kg | 280kg | 320kg | 350kg | 440kg |
| Size | 600×480×1900mm | 600×480×1900mm | 1180×650×1800mm | 1230×680×1850mm | 1380×700×1900mm | 1500×800×1900mm | 1650×800×2000mm | 1650×860×2060mm |
Constant temperature and humidity chambers regulate the air inside by controlling both temperature and humidity. This is achieved through several components: a heater or cooling unit adjusts the air temperature, while a humidifier or dehumidifier manages the air’s moisture level.
Yes, a bedroom humidity level of 70% is generally too high. The optimal indoor range is usually 30% to 60%, and most experts advise keeping it below 60%. Humidity above this level can encourage mold and mildew growth, cause property damage, and make the room feel sticky and uncomfortable, which may also reduce sleep quality.
Yes, dehumidifiers are effective at reducing humidity. They can lower indoor relative humidity to below 50 percent, which helps prevent the growth of dust mites, mildew, and mold. Maintaining drier air not only makes your home more comfortable but also helps reduce allergies and other health issues.
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