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Integrated Soil Water Potential Monitoring Station - IC-SNiP-MPS-SL

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Product code: IC-SNiP-MPS-SL
Integrated soil water potential monitoring station that measures real-time soil moisture potential and temperature for continuous soil monitoring. Includes: 1 x TEROS-21 Sensor, S-NODE with LoRaWAN communications, 6.5Ah rechargeable li-ion battery, 10W Solar Panel and SPLM7 mounting system for node and solar panel.

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The SNiP-MPS is a 'Sensor Node Integrated Package' for LoRa, LoRaWAN, FSK or CAT-M1 communication of real-time soil moisture potential and temperature measurements for continuous soil monitoring.

The base SNiP-MPS integrates 1x S-NODE and 1x TEROS-21 soil moisture sensor (previously the Decagon MPS-6) to a site's unique network, communication and power requirements. The S-NODE can support an added 3x TEROS-21 devices.

The TEROS-21 uses solid ceramics which have a wide range of pore sizes that can typically measure soil water potential of -100kPa and drier. Solid ceramics are suited to general monitoring of soil suction within or under structures of buildings, roadways and mine sites.

S-NODE: SDI-12 Node

The S-NODE has been designed to support the broad suite of SDI-12 based environmental sensors. The S-NODE can support 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). The S-Node's SDI-12 communications can be customised to allow for interfacing with any SDI-12 sensor.

A decoder suitable for TTN will be provided based upon sensor configuration.

TEROS 21 Water Potential Sensor

The TEROS 21 is a matrix water potential sensor that provides long term, maintenance-free soil water potential and temperature readings at any depth without sensitivity to salts. The range of the TEROS 21 goes from field capacity to air dry. Lab and field tests indicate that it can make accurate measurements at water potentials at least as dry as permanent wilting point.

- Dramatically Improved Accuracy: Accuracy (+/-10% of the reading) comes from the TEROS 21's six point factory calibration. Compare with confidence to other TEROS 21 sensors or to other measures of water potential.
- Tough, Long-Lasting Body - Epoxy overmolding will withstand even difficult field conditions. Sensors are rated for long-term research studies.
- No Recalibration: Other matrix potential sensors have a tendency to degrade over time. The TEROS 21 uses a silica based ceramic material that doesn't degrade and doesn't need replacement or recalibration.
- Insensitivity to Salts -The sensor is accurate in salty environments, a variety of soils, and even in locations where the salinity conditions change over time.
- Affordability: Breakthrough calibration technique gives the TEROS 21 the accuracy of an individually calibrated sensor at a price comparable to most uncalibrated sensors.
- Excellent Range: The TEROS 21 has sensitivity from -9 kPa all the way to air dry (-100,000 kPa), with accurate measurements to at least permanent wilting point.
- Onboard Temperature Measurement: Temperature measurements let you evaluate another important growing condition without adding a sensor.
- Plug and Play Capability: Just install the sensor, plug it into the Em50 series logger, set the clock and measurement intervals, and start logging data. No programming required.
- Remote access to data: Use the TEROS 21 with an Em50G data logger and access your data from your office, lab, classroom, or anywhere with an internet connection.
- SDI-12 Compatible: The TEROS 21 is compatible with nearly all major commercial data loggers through SDI-12, a universal communications protocol.

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