Description
The MS-Z302 type humidity sensor is constructed from high-molecular humidity-sensitive materials. When the humidity in the environment increases, the high-molecular material swells. This swelling leads to an increase in the internal free volume, resulting in more carriers. At the same time, the activation energy of the counterions of the high-molecular polyelectrolyte decreases, and the mobility increases, causing the impedance of the material to drop. Conversely, when the environmental humidity decreases, water molecules escape from the ionic polymer, increasing the resistance of the material. By measuring the change in its impedance, the relative humidity in the environment can be accurately monitored.
Application
As an important chemical sensor, the MS-Z302 humidity sensor finds extensive applications. In warehouse storage, it helps maintain the appropriate humidity level to protect stored goods. In industrial production, it is crucial for ensuring the quality of products by controlling the humidity in the production environment. For process control, it provides real-time humidity data for accurate process adjustment. In environmental monitoring, it contributes to understanding the overall environmental conditions. In household appliances, it can be integrated to optimize the performance of devices. Additionally, it plays a significant role in meteorological applications for accurate weather forecasting.
Features
- Wide Humidity Range: Capable of detecting humidity within a broad range from 10% to 90% RH, making it suitable for various environments.
- Short Response Time: With a quick response, it can detect humidity changes promptly, with a moisture absorption time of ≤20s and a dehumidification time of ≤30s.
- Small Hysteresis: The hysteresis is only ±1%RH, ensuring more accurate and consistent humidity measurements.
- Simple Manufacturing: Its manufacturing process is straightforward, which also contributes to its low cost.
- Easy Integration: Designed to be easily integrated into different systems and devices.
- Low Cost: Offers an economical solution without sacrificing performance.
Specifications
| Parameter | Details |
|---|---|
| Temperature - Working Range | 0～60℃ |
| Humidity - Working Range | 10～90％RH |
| Temperature - Storage Range | 10～40℃ |
| Humidity - Storage Range | ≤60%RH |
| Detection Range | 10-90%RH（@ 0-60℃） |
| Rated Voltage | 1.5V AC（MAX，Sine Wave） |
| Rated Power | 0.2mW（MAX，Sine Wave） |
| Working Frequency | 500Hz～2kHz |
| Characteristic Impedance & Range | 31 (20～45) KΩ (60%RH, 25℃) |
| Temperature Characteristic | ≤0.5%RH/℃ |
| Hysteresis | ±1%RH |
| Response Time | Moisture Absorption: ≤20s; Dehumidification: ≤30s |
| Water Resistance | After being immersed for 10min and then dried, the humidity change is less than 2%. After being immersed for 30min and then dried, the humidity change is less than 5% |
| Stability | 2%RH/Year |
| Detection Accuracy | 5%RH |
| Service Life | 3-5 Years |
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
Technical Support:
Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.
The sensors don't have sleeping mode. It can be set in program if needed.
All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.
The sensor has been fully tested (not calibrated) before leaving the factory, but the module will be calibrated before leaving the factory.
However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.
15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.
Our sensors are certified with CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.
Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.
Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to sales@winsensor.com
Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.
