What is a small constant temperature and humidity testing machine?
Today, with the rapid development of science and technology, small constant temperature and humidity testing machines, as an important environmental simulation equipment, are widely used in electronics, medicine, food, chemical and other industries. It can simulate specific temperature and humidity conditions to help users test the performance and reliability of products in different environments. This article will introduce in detail the definition, working principle, application fields and popular models of small constant temperature and humidity testing machines.
1. Definition of small constant temperature and humidity testing machine

The small constant temperature and humidity testing machine is an experimental equipment used to simulate a constant temperature and humidity environment. Its small size makes it suitable for use in laboratories or small production environments. By precisely controlling temperature and humidity, the equipment can provide a stable testing environment for products, ensuring the accuracy and repeatability of test data.
2. Working principle
The small constant temperature and humidity testing machine achieves environmental control through the following core components:
| components | Function |
|---|---|
| temperature control system | Adjust the temperature inside the chamber with heaters and coolers |
| Humidity control system | Adjust the humidity inside the chamber with humidifiers and dehumidifiers |
| sensor | Real-time monitoring of temperature and humidity data and feedback to the control system |
| control system | Adjust temperature and humidity based on sensor data to maintain stability |
3. Application fields
Small constant temperature and humidity testing machines play an important role in multiple industries:
| Industry | Application scenarios |
|---|---|
| electronic | Test the performance of electronic components in high humidity or low temperature environments |
| Medicine | Simulate drug storage environment to test stability |
| food | Study the shelf life of food under specific temperature and humidity |
| Chemical industry | Test the weather resistance of materials in extreme environments |
4. Popular models in the market
The following are the popular small constant temperature and humidity testing machine models and their main parameters on the market recently:
| Model | temperature range | Humidity range | Volume |
|---|---|---|---|
| THS-100 | -40℃~150℃ | 20%~98%RH | 100L |
| HWS-80 | -20℃~120℃ | 30%~95%RH | 80L |
| CTS-50 | -10℃~100℃ | 40%~90%RH | 50L |
5. Purchase suggestions
When purchasing a small constant temperature and humidity testing machine, you need to consider the following factors:
1.Temperature and humidity range: Select the appropriate temperature and humidity range according to the test requirements.
2.Volume size: Select the appropriate equipment volume according to the sample volume.
3.Control accuracy: High-precision equipment is more suitable for tests with strict requirements on temperature and humidity.
4.Brand and after-sales service: Choose well-known brands to ensure equipment quality and after-sales service.
6. Summary
The small constant temperature and humidity testing machine is a powerful environmental simulation equipment that is widely used in many industries. By precisely controlling temperature and humidity, it provides reliable environmental conditions for product testing. When purchasing, users should choose the appropriate model and parameters based on actual needs to ensure test accuracy and efficiency.
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