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Enabling better global research outcomes in soil, plant & environmental monitoring.

ATH-2S Ambient Temp & Humidity (SDI-12)

ATH-2S Ambient Temperature & Humidity (SDI-12)

Weather sensors available today come in varying degrees of quality – in ease of long-term maintenance, stability and durability. In response to the experiences of researchers and customers, the ATH-2S was developed to have greater instrument accuracy, easier upkeep and an extended life.

Both the ATH-2S (SDI-12 Output) and the ATH-2A (Analogue Output) measure Ambient Temperature & Humidity, and with a far higher accuracy drift of better than ±2% Relative Humidity.

Another substantial development of the ATH-2 Series design is the removable sensor chip, which can be quickly swapped out in the field for a price far lower than the typical calibration or complete replacement. The ATH-2 Series instrument does not need to be fully removed from the site, freighted and then reinstalled for simple calibration maintenance. This advancement significantly reduces the time, hassle and costs associated with avoiding data gaps and maintaining long-term data integrity.

 

Utilising weather sensors in a custom IoT (Internet of Things)

The ATH-2S Temperature & Humidity sensor (SDI-12) is available in a preconfigured IoT (Internet of Things) setup for continuous real-time temperature and humidity monitoring. The SNiP-ATH2 integrates 1x S-NODE and 1x ATH-2S sensor to a site’s unique network, communication and power requirements.

Alternatively, we recommend the SNiP-WS24 which integrates 1x MFR-NODE with three sensors: to a site’s unique network, communication and power requirements: 1x AWS200 Automatic Weather Station, 1x ATH-2S Ambient Temperature & Humidity (SDI-12) Sensor and 1x PRP-02 Professional Tipping Bucket Rain Gauge. The MFR-NODE can support additional sensors.

With theses combined, multiple atmospheric parameters can all be continuously measured in real-time including: Wind Speed, Direction & Gust Speed, Air Temperature, Relative Humidity, Barometric Pressure and Vapour Pressure.

Main Features

Sensor replacement by customer on site – cheaper than recalibration
• SDI-12 outputs
• Stainless steel mesh
• Economy solution

Specifications

• Temperature:
− range -40 to 60 deg. C
− accuracy better than ± 0.15 K
• Air Humidity
− range 0 to 100 %
− accuracy better than ± 2 %
• Size: ø20 x 81 mm