HOBO MX Soil Moisture/Temperature Data Logger

Soil Moisture & Temperature Logger

The MX2307 is a low-cost, fully integrated soil moisture and temp logger with Bluetooth wireless data offload. Available in two models – one that measures soil moisture (HOBO MX2306) and one that measures both soil moisture and temperature (HOBO MX2307) – these 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.

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.

HOBO MX2300 loggers provide a 100' wireless range, making it simple to offload data in hard-to-reach locations. And 0.2C accuracy ensures you're getting reliable, true results every time.

From environmental research to crop management, HOBO MX2300 loggers are a low-cost, accurate monitoring solution to help you improve crop yield and quality, reduce erosion and harmful runoff, better understand the impacts of climate change, enhance irrigation, and more!

What's in the box?

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

Features & Benefits

• 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

In what environment does this data logger operate?

This data logger operates in indoor and outdoor environments.

The MX230x data logger supports the following measurements: Soil Moisture and Temperature

Specifications for the MX2307

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
  • ±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)
• 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
• Battery Type: 2/3 AA 3.6 Volt lithium, user replaceable
• Memory: 110,000 measurements, maximum (472 kB)
• Environmental Rating: Temperature sensor and cable (MX2307): Immersion in water up to 50°C (122°F) for 1 year