---
product_id: 111044958
title: "Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor"
brand: "onset"
price: "$U23785"
currency: UYU
in_stock: true
category: "Onset"
url: https://www.desertcart.uy/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger
store_origin: UY
region: Uruguay
---

# Bluetooth Smart LE wireless sync 2-year battery life, user-replaceable Accurate -40°C to 70°C range Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor

**Brand:** onset
**Price:** $U23785
**Availability:** ✅ In Stock

## Summary

> 🌦️ Stay ahead of the elements with smart, precise weather tracking!

## Quick Answers

- **What is this?** Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor by onset
- **How much does it cost?** $U23785 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger)

## Best For

- onset enthusiasts

## Why This Product

- Trusted onset brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Power:** User-replaceable lithium battery offers up to 2 years of continuous operation at 1-minute sampling intervals—stay logged without interruption.
- • **Ready to Mount & Go:** Includes all mounting essentials—sensor, screws, and zip ties—so you can deploy quickly and confidently.
- • **Built for the Outdoors:** Weatherproof design with an external sensor built to withstand harsh conditions without compromising performance.
- • **Precision You Can Trust:** High-accuracy sensors deliver ±0.2°C temperature and 2.5% RH readings, ensuring reliable environmental insights.
- • **Seamless Mobile Integration:** Instantly access real-time data on your smartphone via Bluetooth Smart LE for effortless monitoring anywhere.

## Overview

The Onset HOBO MX2302A is a rugged, weatherproof Bluetooth-enabled data logger designed for outdoor temperature and humidity monitoring. Featuring an external sensor with a wide measurement range (-40°C to 70°C, 0-100% RH) and high accuracy, it wirelessly transmits data to mobile devices via Bluetooth Smart LE. Powered by a user-replaceable lithium battery lasting up to 2 years, it comes ready to mount with included hardware and supports seamless data access through the HOBOmobile app.

## Description

The HOBO MX2302A is a weatherproof data logger with external temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.

## Features

- External Sensor for Temperature and Humidity Measurements in an Outdoor Environment
- Wireless Transmission of Recorded Readings to Smartphones or Tablets Using Bluetooth Smart LE Communications
- 0 to 100% RH and -40°C to 70°C Measurement Ranges with a 2.5% RH and ±0.2°C Accuracy
- User-Replaceable Lithium Battery with 2 Year Typical Life (1 Minute Sampling Rate)
- Includes Temp/RH Sensor, Screws and Zip Ties for Mounting. HOBOmobile App Available on the Apple Store

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07P97KXF1 |
| Batteries | 1 AA batteries required. |
| Best Sellers Rank | #408,892 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #183 in Industrial Data Loggers |
| Date First Available | March 30, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.01 ounces |
| Item model number | MX2302A |
| Manufacturer | Onset Computer |
| Product Dimensions | 4.25 x 0.88 x 2 inches |

## Images

![Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor - Image 1](https://m.media-amazon.com/images/I/31m71MMYQuL.jpg)

## Frequently Bought Together

- Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor
- Onset RS3-B Solar Radiation Shield

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**Shop now:** [https://www.desertcart.uy/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger](https://www.desertcart.uy/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-11*