Integrated Soil Water Potential Monitoring Station - IC-SNiP-GT3-ML

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Product code: IC-SNiP-GT3-ML
Integrated soil water potential monitoring station. Includes: 1 x ICT GT3 Sensor, MFR-NODE with LoRaWAN communications, 13Ah rechargeable li-ion battery, 10W Solar Panel.
The SNiP-GT3 is a 'Sensor Node Integrated Package' for LoRa, LoRaWAN, FSK or CAT-M1 communication of real-time soil tension measurements for continuous soil monitoring.

The base SNiP-GT3 integrates an MFR-NODE and 1x GT3-15 Transducer to a site's unique network, communication and power requirements. The MFR-NODE can support a total of 2x GT3-15 Transducers to monitor soil tension at multiple depths.

The GT3-15 Transducer couples with a preferred Jet Fill Tensiometer (see available lengths here). The Jet Fill Tensiometer measures the force with which water is held in the soil by the soil particles.

MFR-NODE

The Multifunction Research Node has been designed to provide flexible communication, sensor and power options.

The MFR-NODE supports SDI-12 and 2 x dry contact digital inputs as well as optionally 2x differential / 4x single ended analogue inputs. The MFR-NODE supports sensors with higher power requirements; a solar panel can charge either the internal lithium-ion battery or both the node and sensor can be powered by an external 12V system (e.g. battery or mains source). Optional CAT-M1 provide an option for remote installation and in areas outside the range existing LoRaWAN networks. The optional multiconstellation GNSS ensures you won't lose track of your device.

The MFR-NODE has an onboard 8GB SD Card to provide data logging capabilities and full data redundancy in the event of temporary loss of communications or dropped packets; ideal for research applications.

GT3-15 Tensiometer Transducer -100 kPa to 100 kPa

The vacuum inside the tensiometer is measured by a pressure transducer, which gives a continuous analogue output signal. A resolution of 0.1 kPa (1 cm H2O) can be attained for the GT3 Tensiometer Transducer.

- Pressure and suction measurements (+100kPa to -100kPa)
- Rapid response
- Temperature compensated in the range 0 to 50 C typical shift 0.5% full scale.

Specifications

- Range: +100kPa to -100kPa
- Signal: Ratio Metric to its supply voltage. Differential Output. At input 10.0 V output signal is: -100 kPa = -100 +/- 3 mV and 0 kPa = 0 +/- 3 mV
- Temperature shift: Temperature compensated in the range 0 to 50 Ctypical shift 0.5% full scale.
- Voltage output: Transducer has a 4 wire output signal.
- Resolution: 0.1 kPa
- Accuracy: +/- 1.0% span
- Power Supply: 10.0 V DC typical, 16.0 V maximum stabilised
- Current consumption: 1.3 mA at 10.0 V


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