Product type
- Water and Fertilizer
- Control and Collection
- Garden Irrigation
Wireless soil pH sensor
Product number:
WDC-4S-PHB
Special feature:
★ Wireless Lora soil pH sensor, truly realizes online real-time monitoring of soil pH with a transmission distance of 2-5 kilometers.
★ Adopting internationally advanced solid dielectric and large-area polytetrafluoroethylene liquid junction, it is not easy to block and maintenance-free.
★ High integration, long life, low power consumption, small size and high reliability.
★ Easy to operate and can achieve remote one-click calibration.
★ The electrodes are made of high-quality low-noise cables, which can make the signal output length reach more than 20 meters.
Technical specifications:
| Parameter |
Specific performance |
| Measuring range |
pH:0〜14。 |
| Accuracy |
±0.02(pH 4〜9) |
| Resolution |
0.01 |
| Stability |
≤0.02/24h |
| Power supply |
DC 5〜30V |
| Response time |
5s |
| Output signal |
0〜2V，4〜20mA，RS485... |
Soil pH control::
| pH value |
Soil acidity |
| ＜4.5 |
Strongly acidic |
| 4.5〜5.5 |
Acidic |
| 5.5〜6.5 |
Weekly acidic |
| 6.5〜7.5 |
Neutral |
| 7.5〜8.5 |
Weekly alkaline |
| 9.5〜8.5 |
Alkaline |
| ＞9.5 |
Strongly alkaline |
Scope of application: Suitable for water-saving agricultural irrigation, greenhouses, flowers and vegetables, grassland pastures, rapid soil testing, plant cultivation, scientific experiments, etc. area.
Suitable range of crops:
| Crop |
Optimum pH range |
Crop |
Optimum pH range |
| Rice |
5.7〜7.0 |
Broad bean |
6.0〜8.0 |
| Barley |
6.0〜7.0 |
Tea |
4.5〜5.5 |
| Wheat |
6.0〜7.0 |
Cotton |
6.0〜8.0 |
| Corn |
6.0〜7.0 |
New watermelon |
6.0〜7.0 |
| Rape |
5.8〜6.8 |
Tomato |
6.0〜7.0 |
| Soybeans |
6.5〜7.5 |
Sugar cane |
6.0〜8.0 |
| peanut |
5.0〜6.0 |
Licorice |
7.2〜8.5 |