HOBO MX Soil Moisture Data Loggers are the industry's only low-cost, fully integrated soil moisture loggers with Bluetooth wireless data offload. 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.
Get the measurement accuracy you need wherever you need it without having to remove loggers from their deployed locations to offload data. All you need is a mobile phone, tablet, or Windows computer running the free HOBOconnect app. No cables to connect!
The HOBO MX2307 soil moisture logger is built to withstand the elements. They feature a rugged weatherproof housing designed for long-term studies even in harsh climates. Their compact size and built-in mounting holes make deployment simple, with no need for mounting brackets in most cases. Plus, wireless communication means there's no need to open the loggers in the field and risk compromising the weatherproof seal
Features:
- Convenient wireless setup and download via Bluetooth
- Ready to deploy, with pre-attached sensors
- 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
- Compact, weatherproof housing with built-in mounting
- Current data in real time with Onset's free HOBOconnect app
- Ability to share downloaded data easily from your mobile device or Windows laptop
- Option to view data in Percent of Field Capacity
Specifications
- Measurement Range (Mineral Soils): 0.00 to 0.64 cubic meters
- Measurement Range (Soilless media): 0.00 to 0.70 cubic meters in soilless me
- Accuracy (Mineral soils): +/- 0.031 cubic meters typical in mineral soils that have solution EC <8 ds="" m="" p="">
- Accuracy (Soilless Media): +/- 0.051
- Resolution: 0.001 cubic meters
- Measurement Range (Temperature): -40 to 100 C
- Accuracy: +/- 0.25 C from -40 to 0 C; +/- 0.2 C from 0 to 70 C; +/- 0.25 C from 70 to 100 C
- Resolution: 0.04 C
- Drift: Less than 0.01 C 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
- Dielectric Measurement Frequency: 70 MHz
- Operating Range: -25 to 60 C
- 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
- 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:
Dimensions:
- Logger housing: 10.8 x 5.08 x 2.24 cm
- Soil moisture sensor: 7.5 x 5.1 x 2.4 cm
- Soil moisture sensor needle length: 5.4 cm
- Soil moisture sensor needle diameter: 0.32 cm
- Temperature sensor diameter: 0.53 cm
- Sensor cable length: 2 m
