---
product_id: 80351237
title: "Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors"
brand: "onset"
price: "$724"
currency: NZD
in_stock: true
reviews_count: 2
category: "Onset"
url: https://www.desertcart.nz/products/80351237-onset-hobo-mx2303-weatherproof-bluetooth-dual-temperature-data-logger-w
store_origin: NZ
region: New Zealand
---

# Bluetooth Low Energy wireless data offload Dual temperature sensors for precise monitoring Weatherproof design for harsh outdoor use Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors

**Brand:** onset
**Price:** $724
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay ahead of the forecast with smart, wireless temperature tracking!

## Quick Answers

- **What is this?** Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors by onset
- **How much does it cost?** $724 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/80351237-onset-hobo-mx2303-weatherproof-bluetooth-dual-temperature-data-logger-w)

## 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

- • **App-Driven Efficiency:** HOBOmobile app integration streamlines data management, empowering faster decision-making.
- • **Seamless Wireless Sync:** Bluetooth connectivity lets you offload data effortlessly via iOS devices—no cables, no hassle.
- • **Precision in Every Degree:** Dual external sensors deliver accurate temperature data even in extreme conditions.
- • **Built to Brave the Elements:** Rugged weatherproof casing ensures reliable performance outdoors, rain or shine.
- • **Real-Time Insights On-the-Go:** View live readings and graphs instantly on your mobile device to stay ahead of environmental changes.

## Overview

The Onset HOBO MX2303 is a battery-powered, weatherproof dual temperature data logger designed for precise environmental monitoring. Featuring Bluetooth Low Energy connectivity, it wirelessly syncs data to iOS devices via the HOBOmobile app, enabling real-time temperature tracking and graphing. Its rugged design suits harsh outdoor conditions, making it ideal for professionals needing reliable, accurate temperature data in the field.

## Description

Buy Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors: Data Loggers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Horrible, just like everything else marked HOBO - We deployed 4 of these devices to record temperatures in the field. Every single one failed in less than a year and are unusable. All of them had signs of water intrusion. All data lost. These devices are just very poorly made.
Review: Does a nice job; always connects easily. - Software is pretty meager, but functional.

## Features

- NOTE: The HOBOmobile App for all MX2300 Series Data Loggers is currently compatible with iOS mobile devices, ONLY; the series is not yet compatible with Android mobile devices
- NOTE: This product requires the HOBOmobile App to operate
- Accurate temperature measurements in harsh/outdoor environments
- Bluetooth (BLE) communication with mobile devices; convenient wireless offload
- View current readings and graphs on mobile devices; respond faster to problems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XY5BT4H |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #633,251 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #308 in Industrial Data Loggers |
| Color | 1 |
| Customer Reviews | 2.6 2.6 out of 5 stars (4) |
| Date First Available | March 30, 2017 |
| Included Components | Screws |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 pounds |
| Item model number | MX2303 |
| Manufacturer | Onset |
| Part Number | MX2303 |
| Power Source | Battery Powered |
| Product Dimensions | 4.25 x 0.88 x 2 inches |
| Shape | Rectangular |
| Special Features | High Accuracy |
| Style | Modern |

## Images

![Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors - Image 1](https://m.media-amazon.com/images/I/61aEl1JGsnL.jpg)

## Customer Reviews

### ⭐ Horrible, just like everything else marked HOBO
*by M***O on August 21, 2024*

We deployed 4 of these devices to record temperatures in the field. Every single one failed in less than a year and are unusable. All of them had signs of water intrusion. All data lost. These devices are just very poorly made.

### ⭐⭐⭐⭐ Does a nice job; always connects easily.
*by N***S on August 8, 2018*

Software is pretty meager, but functional.

## Frequently Bought Together

- Onset HOBO MX2303 Weatherproof Bluetooth Dual Temperature Data Logger w/ External Sensors
- Onset HOBO MX2302A Weatherproof Bluetooth Temperature and Humidity Data Logger w/External Sensor

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**Shop now:** [https://www.desertcart.nz/products/80351237-onset-hobo-mx2303-weatherproof-bluetooth-dual-temperature-data-logger-w](https://www.desertcart.nz/products/80351237-onset-hobo-mx2303-weatherproof-bluetooth-dual-temperature-data-logger-w)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-20*