SEM2253 Soil moisture sensor is a kind of high precision and high sensitivity sensor based on frequency domain reflection principle and high frequency electronic technology. By measuring the dielectric constant of soil, the true moisture content of various soils can be directly and stably reflected.
SEM2253 Soil moisture sensor is a kind of high precision and high sensitivity sensor based on frequency domain reflection principle and high frequency electronic technology. By measuring the dielectric constant of soil, the true moisture content of various soils can be directly and stably reflected.
Soil moisture sensor can measure the volume percentage of soil moisture, which is the most popular soil moisture measurement method in the world.
| Measurement parameters: | soil volume moisture content |
| Unit of measurement: | % (m3 / m3) |
| Measuring range: | 0-100% (30%, 50% or any range can be selected) |
| Measurement accuracy: | ± 2% (m3 / m3) in the range of 0-50% (m3 / m3) |
| Output signal: | A: Voltage signal (0-2v, 0-2.5v, 0-5V, 0-10V) B: 4 ~ 20mA (current loop)C: RS485 (standard Modbus RTU protocol, device default address: 01) Supply voltage: 5-24 V DC (when the output signal is 0-2v, 0-2.5v, RS485); 12-24 V DC (when the output signal is 0-5V, 0-10V, 4-20mA) |
| Working range: | – 30 ℃ ~ 70 ℃ |
| Stabilization time: | 1 second after power on |
| Response time: | < 1s |
| Measurement area: | a cylinder with a diameter of 7cm and a height of 7cm centered on the central probe |
| Physical parameters: | Probe length: 78mm Probe diameter: 4mm Probe material: 316L stainless steel Sealing material: ABS engineering plastic, epoxy resin, waterproof grade IP68 Cable specification: 2m as standard (other cable lengths can be customized, up to 1200m) |
Request a quote from us based on your specific requirements
If you want to distribute sentec brand in your local area, you can contact us for more.
A group of professional engineer is here to help your sensor installation & maintenance.
