Model
EWS-SMTS
Special feature:
★ Long transmission distance: up to 2-5 kilometers.
★ Low power consumption, 3.6V battery life can reach 2 years.
★ The steel needle is made of high-quality materials that can withstand long-term electrolysis and acid and alkali corrosion.
★ The electrode is made of specially treated alloy material with high measurement accuracy and stable performance.
★ Support OTA remote upgrade.
★ IP68 protection level, providing peace of mind and peace of use.
★ Professional certification from the meteorology department.
Product design complies with the following relevant national standards: 1. GB/T 2421.1-2008 Environmental testing of electrical and electronic products. 2. GB/T 4798.10~2006 Application environmental conditions for electrical and electronic products. 3. GBT 28418~2012 Soil moisture (basic technical conditions for moisture monitoring instruments. 4. HJ802~2016 Electrode method for measuring soil conductivity.
Technical specifications:
| Project | Specific performance |
|---|---|
| Soil temperature | Measuring range:：-20℃~〜70℃。 |
| Resolution:0.01°C | |
| Accuracy:≤0.3°C | |
| Soil humidity | And drying Fabi compare, body accumulated water content The amount is 3%~ 10% time, phase Absolute error Not worth much At 5%; At 15%~25% time, phase To error absolutely When the value is At 2.5%; at 35%~ 45% not large, phase To error of absolute Not worth much at 5%. |
| Measuring range:0〜100% | |
| Resolution：0.1% | |
| Soil salinity | Measuring range:0~20000us/cm； |
| Resolution： 10us/cm(0-10000us/cm), 50us/cm(100000-20000us/cm) | |
| accuracy： ±3%(0-10000us/cm), ±5%(10000-20000us/cm） |
