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HOBO MX2307 - Soil Moisture & Temperature Bluetooth Data Logger

Manufacturer:
HOBO MX2307 is a low-cost, fully integrated soil moisture and temperature loggers with convenient Bluetooth wireless data offload.
Part Number: MX2307
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$1,162.00 ex GST
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Wireless temperature and soil moisture data – straight to your mobile device or Windows laptop

HOBO's MX2307 is a low-cost, fully integrated soil moisture and temperature logger with Bluetooth wireless data offload. The MX2306 is ideal for researchers and growers looking for the accurate data they need to save water, improve crop yields, reduce harmful runoff, and protect ecosystems.

With just a mobile phone, tablet, or Windows laptop running Onset’s free HOBOconnect app, users get convenient wireless setup and data download via Bluetooth when within 100 feet of the logger – making it easy to retrieve data from hard-to-access field locations. And for indoor areas, such as greenhouses, users can add the MX Gateway for remote access to data in Onset’s cloud-based HOBOlink software.


Highlighted Features

  • Ready to deploy, with pre-attached sensors
  • Easy configuration and data offload with the free HOBOconnect app
  • Durable TEROS 10 soil moisture sensor lasts over 10 years in the field
  • For use in both mineral soils and soilless media
  • Sturdy, sharp stainless-steel spikes for easy installation and better soil contact
  • Option to view data in Percent of Field Capacity


 


Important:

The HOBO MX2300 data loggers require the HOBOconnect App and a compatible mobile device. The system requirements for the HOBOconnect app can be found at the bottom of our HOBOconnect software page.

New! Bluetooth Soil Moisture Data Loggers Webinar

The HOBO MX2300 product line of weatherproof temp/RH data loggers has been expanded to include options for soil moisture monitoring. Please join our webinar for an introduction to the new HOBO MX Soil Moisture Data Loggers, the industry’s first fully integrated soil moisture and temperature loggers with convenient Bluetooth wireless communication and data offload.


In this webinar, you’ll get an overview of key features of these low-cost loggers, including:

Ready to deploy, with pre-attached sensors and built-in mounting tabs
Easy configuration and data offload with the free HOBOconnect app
Durable TEROS 10 soil moisture sensor lasts over 10 years in the field
For use in both mineral soils and soilless media
Sturdy, sharp stainless-steel spikes for easy installation and better soil contact
Option to view data in Percent of Field Capacity
Ability to add the MX Gateway for monitoring indoor areas, like greenhouses – for remote access to data via cloud-based HOBOlink software


Technical Information

Soil Moisture: Volumetric Water Content (VWC)

Measurement Range*

0.00 to 0.64 m³/m³ in mineral soils

0.00 to 0.70 m³/m³ in soilless media

Accuracy

±0.031 m³/m³ typical in mineral soils that have solution EC <8 ds="" m="" p="">

±0.051 m³/m³ typical in soilless media

Resolution 0.001 m³/m³
Dielectric Measurement Frequency 70 MHz

Temperature Sensor (MX2307)

Range -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year
Accuracy ±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F)
±0.2°C from 0 to 70°C (±0.36 from 32 to 158°F)
±0.25°C from 70 to 100°C (±0.45 from 158 to 212°F)
Resolution 0.04°C (0.072°F)
Drift <0.01°C per year (0.018°F per year)
Response Time

3 minutes in air moving 1 m/s; 20 seconds in stirred water

4 minutes in air moving 1 m/s with RS3-B Solar Radiation Shield

Logger

Operating Range -25° to 60°C (-13° to 140°F)
Radio Power 1 mW (0 dBm)
Transmission Range Approximately 30.5 m (100 ft) line-of-sight
Wireless Data Standard Bluetooth Low Energy (Bluetooth Smart)
Logging Rate 1 second to 18 hours
Logging Modes Fixed interval (normal, statistics) or burst
Memory Modes Wrap when full or stop when full
Start Modes Immediate, push button, date & time, or next interval
Stop Modes When memory full, push button, date & time, or after a set logging period
Time Accuracy ±1 minute per month 0° to 50°C (32° to 122°F)
Battery Type 2/3 AA 3.6 Volt lithium, user replaceable
Battery Life 2 years, typical with logging interval of 1 minute and Bluetooth Always On enabled; 5 years, typical with logging interval of 1 minute and Bluetooth Always On disabled. Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life.
Memory 110,000 measurements, maximum (472 kB)
Full Memory Download Time Approximately 60 seconds; may take longer the further the device is from the logger
Dimensions

Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.)
Soil moisture sensor: 7.5 x 5.1 x 2.4 cm (2.95 x 2.02 x 0.95 inches)
Soil moisture sensor needle length: 5.4 cm (2.13 inches)

Soil moisture sensor needle diameter: 0.32 cm (0.13 inches)

Temperature sensor (MX2307) diameter: 0.53 cm (0.21 in.)

Sensor cable length: 2 m (6.56 ft)

Weight

MX2306: 229 g (80 oz)

MX2307: 267 g (94 oz)

Materials

Logger: Acetal, silicone gasket, stainless steel screws

Soil Moisture Sensor: ASA plastic body with polyurethane epoxy filling and stainless steel pins

Temperature Sensor (MX2307): Stainless steel waterproof tip

Cable: PVC, UV resistant and rodent repellent (soil moisture sensor cable)

Environmental Rating Temperature sensor and cable (MX2307): Immersion in water up to 50°C (122°F) for 1 year

* The sensor data can be post-calibrated if necessary (e.g. the sensor is used in non-mineral soil types or higher than standard accuracy is required). Users can apply a calibration equation to the data exported from the app. The VWC range will depend on the calibration equation.

Download the free HOBOconnect app for your iOS or Android mobile device or Windows computer today.

Onset's HOBOconnect app, accessed from a free download from the iTunes or Google Play app store, or your pc, makes it quick and easy to configure compatible MX Series data loggers (chart below) and manage the collected data. From your mobile device, tablet, or Windows computer, users can view data in graphs, check the operational status of loggers, share data files and graph images for analysis in Excel, Numbers, and other applications, and store data in the cloud. HOBOconnect also makes it fast and easy to set up audible alarm notifications so users are immediately notified of problems.

For documentation on the app, click here >>

 

Learn more about HOBOconnect >>

HOBOconnect Download

Wireless temperature and soil moisture data – straight to your mobile device or Windows laptop

HOBO's MX2307 is a low-cost, fully integrated soil moisture and temperature logger with Bluetooth wireless data offload. The MX2306 is ideal for researchers and growers looking for the accurate data they need to save water, improve crop yields, reduce harmful runoff, and protect ecosystems.

With just a mobile phone, tablet, or Windows laptop running Onset’s free HOBOconnect app, users get convenient wireless setup and data download via Bluetooth when within 100 feet of the logger – making it easy to retrieve data from hard-to-access field locations. And for indoor areas, such as greenhouses, users can add the MX Gateway for remote access to data in Onset’s cloud-based HOBOlink software.


Highlighted Features

  • Ready to deploy, with pre-attached sensors
  • Easy configuration and data offload with the free HOBOconnect app
  • Durable TEROS 10 soil moisture sensor lasts over 10 years in the field
  • For use in both mineral soils and soilless media
  • Sturdy, sharp stainless-steel spikes for easy installation and better soil contact
  • Option to view data in Percent of Field Capacity


 


Important:

The HOBO MX2300 data loggers require the HOBOconnect App and a compatible mobile device. The system requirements for the HOBOconnect app can be found at the bottom of our HOBOconnect software page.

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