Wireless soil temperature and humidity sensor: long wireless transmission distance, low power consumption, steel needle made of high-quality materials, acid and alkali resistance, electrolysis resistance, measurement accuracy High performance, stable performance, professional certification from the measurement department.
Model: WDC-4S-TMBSpecial feature: ★ Long wireless transmission distance: up to 1000~5000km. ★ Low power consumption, 3.6V battery life up to 2 years. ★ Support OTA remote upgrade. ★ The steel needle is made of high-quality materials, which can withstand long-term electrolysis and resist acid and alkali corrosion. ★ The electrodes are made of specially treated alloy materials with high measurement accuracy and stable performance. ★ IP68 protection level, safer to use.
Product design complies with the following relevant national standards: GB/T 2421.1-2008 Environmental testing of electrical and electronic products. GB/T 4798.10-2006 Application environmental conditions for electrical and electronic products
Technical specifications:
| Project | Specific performance |
|---|---|
| Soil temperature | Measuring range:-20℃〜70℃。 |
| Resolution:0.01°C | |
| Accuracy:≤0.3°C | |
| Soil moisture | Compared with the drying method, the body Accumulated moisture content exist 3%-10% time, relative the absolute error not much value at 5%, at 15%-25% time, relative the absolute error not much value at 2.5%; at 35%-45% time, relative absolute error the value should not be greater than 5%. |
| Measuring range:0〜100% | |
| Resolution:0.1% |
