HOBO MX2306 & MX2307 Soil Moisture and Temperature Data Logger



- Ready to deploy, with pre-attached sensors
- Easy config. & data offload with free HOBOconnect app
- Durable TEROS-10 soil moisture sensor (>10 years)
- For use in both mineral soils and soilless media
- Sturdy, sharp stainless-steel spikes for easy installation
- Option to view data in Percent of Field Capacity

    In what environment does this data logger operate?
- Operates in indoor and outdoor environments.

    What measurements does this data logger support?
- The MX230x data logger supports the following measurements: Soil Moisture and Temperature

489,00 €

Add to wishlist

Environment of Use Outdoor
Application Agriculture, Farming
Number of Channels 2 channels
With Display No
Communications Bluetooth BLE
Battery Life 2 years
Memory Capacity 110,000 measurements

These New HOBO MX2306 & MX2307  Soil Moisture Data Loggers are the industry’s only low-cost, fully integrated soil moisture loggers with Bluetooth wireless data offload.
They are available in two models – one that measures soil moisture (HOBO MX2306) and one that measures both soil moisture and temperature (HOBO MX2307).
These data loggers are ideal for researchers and growers looking for the accurate data they need to save water, improve crop yields, reduce harmful runoff, and protect ecosystems.

Using just a mobile phone, a tablet, or a Windows laptop running Onset’s free HOBOconnect app, the users obtain convenient wireless setup and data downloads via Bluetooth when within 100 feet of the logger. This makes 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.

Important Infomation:
The MX2306 & 2307 data loggers require a compatible mobile device or Windows computer and the use of HOBOconnect app.
The System requirements for the app can be found at bottom of the HOBOconnect software page.

* 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.

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


±0.031 m³/m³ typical in mineral soils that have solution EC <8 dS/m

±0.051 m³/m³ typical in soilless media


0.001 m³/m³

Dielectric Measurement Frequency

70 MHz

Temperature Sensor (MX2307)

-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

±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)
0.04°C (0.072°F)
<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

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.


110,000 measurements, maximum (472 kB)

Full Memory Download Time

Approximately 60 seconds; may take longer the further the device is from the logger

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)


MX2306: 229 g (80 oz)

MX2307: 267 g (94 oz)


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

Compliance Marks

CE Compliant UKCA - UK Declaration of Conformity FCC Logo Australia/New Zealand General Compliance mark

-   HOBO MX2306 or HOBO MX2307 Data Logger with 2m cable(s) and attached sensor(s)
-   HOBO MX Soil Moisture Logger Quick Start
-   Screws
-   Cable ties

30 other products in the same category: