---
product_id: 111044958
title: "Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor"
brand: "onset"
price: "$861.33"
currency: USD
in_stock: true
category: "Onset"
url: https://www.desertcart.ec/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger
store_origin: EC
region: Ecuador
---

# 0-100% RH with 2.5% accuracy Bluetooth Smart LE wireless sync Ultra-precise ±0.2°C temp range Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor

**Brand:** onset
**Price:** $861.33
**Availability:** ✅ In Stock

## Summary

> 🌦️ Stay ahead of the elements with smart, precise weatherproof sensing!

## 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?** $861.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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 logging at 1-minute intervals—set it and forget it.
- • **Ready-to-Install Kit:** Includes external sensor, mounting screws, and zip ties for quick setup; compatible with the intuitive HOBOmobile app on iOS.
- • **Precision You Can Trust:** High-accuracy sensors deliver ±0.2°C and 2.5% RH measurements across extreme conditions (-40°C to 70°C).
- • **Rugged Weatherproof Design:** Built to withstand harsh outdoor environments, ensuring reliable data collection rain or shine.
- • **Seamless Wireless Data Access:** Instantly stream temperature & humidity readings to your smartphone via Bluetooth Smart LE for effortless monitoring anywhere.

## Overview

The HOBO MX2302A is a Bluetooth-enabled, weatherproof temperature and humidity data logger designed for outdoor use. It features an external sensor with high accuracy (±0.2°C, 2.5% RH) across wide ranges (-40°C to 70°C, 0-100% RH), wireless data transmission to mobile devices via Bluetooth Smart LE, and a long-lasting user-replaceable lithium battery lasting up to 2 years at 1-minute sampling intervals. The package includes mounting hardware and supports the HOBOmobile app for seamless setup and data management.

## 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 |
| Additional Features | Bluetooth Wireless |
| Best Sellers Rank | #532,664 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #236 in Industrial Data Loggers |
| Brand | Onset |
| Brand Name | Onset |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Included Components | Screws |
| Item Weight | 0.01 Ounces |
| Manufacturer | Onset Computer |
| Model | MX2302A |
| Number of Batteries | 1 AA batteries required. |
| Part Number | MX2302 |
| Power Source | Battery Powered |
| Special Feature | Bluetooth Wireless |
| Style Name | Contemporary |
| UPC | 052468248630 |

## 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.ec/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger](https://www.desertcart.ec/products/111044958-onset-hobo-mx2302a-weatherproof-bluetooth-temperature-and-humidity-data-logger)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-07-07*