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Item #:
5837396
Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors
64% of respondents would recommend this to a friend
Item #:
5837396
XCD 903
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Order now and get it around Thursday, September 17
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The HOBO MX2303 is a weatherproof data logger with two external temperature sensors that provides accurate measurements in harsh outdoor environments and enables wireless transmission of recorded readings to smartphones or tablets.
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What Stands Out
Bluetooth Connectivity
Seamlessly connect to your mobile device via Bluetooth, allowing for easy data access and real-time monitoring without the hassle of wires or complicated setups.
Dual Temperature Sensors
Equipped with external sensors for dual temperature monitoring, ensuring accurate readings in different environments, perfect for research, agriculture, and storage management.
Weatherproof Design
Built to withstand tough conditions, its weatherproof feature ensures reliable performance outdoors, safeguarding data integrity in rain or shine, making it ideal for field applications.
Product Details
- Weatherproof data logger with 2 external temperature sensors
- Enables wireless transmission of recorded readings via Bluetooth Smart LE
- Sensors measure temperature in the range of -40C to 100C with ±0.2C accuracy
- User-replaceable lithium battery with a 2-year typical life
- Includes temperature sensors, screws, and zip ties for mounting
- HOBOmobile app available for download on the Apple Store
| Additional Features | High Accuracy |
| Power Source | Battery Powered |
| Response Time | 1 minutes |
| Color | 1 |
| Style Name | Contemporary |
| Unit Count | 1 Count |
| Brand Name | Onset |
| Age Range Description | Adult |
| Included Components | Screws |
| Model | MX2303 |
| Manufacturer | Onset |
| Item Weight | 16 ounces (453.6 grams) |
| Part Number | MX2303 |
| Brand | Onset |
| Special Feature | High Accuracy |
| Age Range (Description) | Adult |
| Style | Contemporary |
Who Should Buy?
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Environmental Monitoring
Ideal for professionals monitoring environmental conditions in remote locations, ensuring accurate temperature and humidity data collection.
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Research Purposes
Useful for researchers needing precise temperature data for experiments and studies in various fields, including ecology and agriculture.
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HVAC Professionals
Beneficial for HVAC technicians to monitor temperature variations in installations, ensuring optimal performance and system efficiency.
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Casual Users
Not suitable for casual users seeking simple temperature readings without the complexity of data logging functionalities.
Product Description
Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the Onset HOBO MX2303 used for?
Answer: The Onset HOBO MX2303 is designed to monitor temperature and humidity conditions, making it ideal for various applications like HVAC monitoring, food storage, and environmental research. It features dual temperature channels and can connect to external sensors to provide accurate readings. This flexibility allows users to tailor the data logger to specific environments, ensuring that sensitive materials are protected and conditions are optimal. -
Question:
How does the Bluetooth functionality work in the HOBO MX2303?
Answer: The Bluetooth feature in the HOBO MX2303 allows for wireless data transmission to compatible devices, such as smartphones and tablets. By using the HOBOmobile app, users can easily configure the data logger and view real-time data. This functionality enhances user convenience by removing the need for physical connections and simplifying the monitoring process, so users can manage their data remotely and efficiently. -
Question:
What are external sensors and how do they work with the HOBO MX2303?
Answer: External sensors work alongside the HOBO MX2303 to measure temperature data in specific locations or conditions not easily reached by the internal sensors. The data logger supports multiple sensor types, providing greater flexibility in data collection. For example, users can deploy an external water temperature sensor in a river while keeping the data logger safe on land, enabling diverse monitoring scenarios. -
Question:
Can the HOBO MX2303 be used in harsh environmental conditions?
Answer: Yes, the Onset HOBO MX2303 is built to withstand harsh environmental conditions, thanks to its weatherproof design. This makes it suitable for outdoor applications such as environmental monitoring or agricultural practices. Users can confidently place it in challenging settings without worrying about damage from rain, dust, or other elements, thereby ensuring reliable data collection. -
Question:
What is the range of the HOBO MX2303's Bluetooth connectivity?
Answer: The HOBO MX2303 offers Bluetooth connectivity with a range of approximately 100 feet (30 meters) under ideal conditions. This range allows for flexibility in data logging, as users can place the device in strategic locations while maintaining the ability to connect to the HOBOmobile app. This feature is particularly useful in larger setups like warehouses or research sites to ensure comprehensive monitoring. -
Question:
How can I view the data collected by the HOBO MX2303?
Answer: Data collected by the HOBO MX2303 can be viewed through the HOBOmobile app, which is available for both iOS and Android devices. Users can easily connect to the logger via Bluetooth to download data and analyze trends. This accessible interface enables quick and efficient data assessment, assisting users in making informed decisions based on environmental conditions. -
Question:
Is the HOBO MX2303 suitable for food safety monitoring?
Answer: Absolutely, the Onset HOBO MX2303 is an excellent choice for food safety monitoring. Its dual temperature capabilities and external sensors can be utilized to track temperature fluctuations in refrigerated environments or transportation. Implementing this data logger helps ensure that food products are maintained at safe temperatures, thereby reducing the risk of spoilage and enhancing compliance with safety standards. -
Question:
What applications is the HOBO MX2303 ideal for?
Answer: The HOBO MX2303 is suited for a diverse range of applications, including agriculture, food storage, pharmaceuticals, and HVAC monitoring. Its weatherproof design and flexibility with external sensors make it perfect for monitoring environmental conditions that can impact the quality and safety of products. Users in these industries will find the HOBO MX2303 an invaluable tool for maintaining optimal conditions. -
Question:
How do I set up the HOBO MX2303 for the first time?
Answer: Setting up the HOBO MX2303 for the first time is straightforward. First, download the HOBOmobile app on your device. Then, ensure the data logger is powered and follow the app's prompts to connect via Bluetooth. From there, you can configure parameters like measurement intervals, alerts, and additional external sensors as needed. This user-friendly setup allows you to start monitoring your environment promptly. -
Question:
Where can I buy the Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w External Sensors?
Answer: You can purchase the Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w External Sensors from Ubuy. Ubuy offers a variety of Montserrat shipping options and a user-friendly shopping experience, making it a preferred destination for acquiring this advanced data logging solution.
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Pros
- User-friendly Bluetooth connectivity
- Compact and portable design
- External sensors for versatile monitoring
Cons
- Inaccurate temperature readings
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Order now and get it around Thursday, September 17
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Features & Benefits
- Weatherproof data logger
- Two external temperature sensors
- Bluetooth Low Energy for easy set up and data download
- High-accuracy measurements in harsh outdoor environments
- -40C to 100C measurement ranges with a ±0.2C (0C to 70C) accuracy
- User-replaceable lithium battery with 2-year typical life
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