The HDS10 dew sensor from Aosong is a positive‑characteristic switching‑mode element with high humidity sensitivity, fast response, and DC operation.
The HDS10 dew sensor is a positive‑characteristic switching‑mode element designed for high humidity environments. It operates on a low DC supply voltage, offers strong anti‑pollution ability, high reliability, and fast response, making it suitable for alarm applications in electronics, pharmaceuticals, food, storage, tobacco, textiles, and meteorology.
Technical specifications include a supply voltage of 0.8 V DC, operating temperature from 1 °C to 80 °C, humidity range 1‑100 %RH, and a response time under 5 seconds. Recommended circuit diagrams and characteristic curves are provided for integration into devices such as T/H meters, humidifiers, dehumidifiers, air conditioners, and microwave ovens.
| Supply voltage (DC) | 0.8 V |
|---|---|
| Operating temperature range | 1~80 °C |
| Operating humidity range | 1~100% RH |
| Condensation test range | 94~100% RH |
| Resistance value (25 °C, 93%RH) | 100 kΩ Max |
| Resistance value (100%RH) | 200 kΩ Min |
| Response time | <5 s (25 °C, 60%RH → 25 °C, 100%RH) |
It requires a DC supply voltage of 0.8 V.
The sensor operates from 1 °C to 80 °C.
Its response time is less than 5 seconds under the specified conditions.
It can measure humidity from 1 %RH up to 100 %RH.