Integrated Soil Moisture Monitoring Station - IC-SNiP-EC5-A
The SNiP-EC5 is a 'Sensor Node Integrated Package' for LoRa, LoRaWAN or FSK or communication of real-time soil moisture measurement for continuous soil monitoring.
The base SNiP-EC5 integrates 1x AD-NODE and 1x METER Group EC5 Moisture Sensor to a site's unique network, communication and power requirements.
AD-NODE: For High Resolution Analogue & Digital Sensors
The AD-NODE is designed for those requiring precision in their analogue and digital measurements. With a 24-bit ADC, the AD-NODE supports two RTDs, a 0 to 10V with compressing range and a 4 to 20mA input. Each of the four dry-contact digital inputs is capable of simultaneously sampling at 1 kHz, with periodic reporting. Settings on the device can be altered remotely via LoRaWAN or locally via USB.
Features include:
- LoRaWAN low-power long-range connectivity
- 2x 24-bit RTD
- 1x 24-bit Voltage input (0-10 V with compressing range)
- 1x 24-bit 4-20 mA
- 4x 32-bit dry-contact counting digital inputs, 2 x digital outputs
- 400 Hz 3-Axis Accelerometer
- 3 x AA Lithium Energizer battery
- Fully reconfigurable via LoRaWAN downlinks
Decagon EC-5 Moisture Sensor:
The EC-5 is used to measure volumetric moisture content of soils and other material for scientific research and agricultural applications. The EC-5 measures volumetric water content via the dielectric constant of the soil using capacitance technology. The sensor uses a 70 MHz frequency, which minimises salinity and textural effects, making it an ideal sensor in agricultural and standard scientific projects.
The EC-5 has a small area of influence. The sensor is 5cm in length and can measure a small volume of soil, ideal in situations such as glasshouse pots or localised areas of soil moisture (for example, soil for small herbs).
- High resolution allows daily or hourly tracking of water use
- Voltage output proportional to water content
- Low-cost dielectric water content sensor
- Very low power requirement
Specifications
- Measurements taken: Volumetric water content
- Range: 0-60% VWC
- Accuracy VWC: Using Standard calibration: +/- 5% typical on mineral soils, +/- 1-2% with soil site specific calibration
- Time: 10 ms (milliseconds)
- Power Requirements: 2.5-5V DC at 10mA. Stable excitation voltage required
- Operating Temperature: 0 C to +50 C
- Frequency: 70 MHz
- Output Range: 375 mV (dry soil) to 1000 mV (saturated)
- Connector Types: 3.5 mm "stereo" plug or stripped and tinned lead wires
- Cable Length: 5m standard
- Dimensions: 8.9 x 1.8 x 0.7 cm
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