---
product_id: 45648975
title: "HOBO by Onset BASE-U-4 Optic USB Base Station"
brand: "onset hobo data loggers"
price: "€ 381.68"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/45648975-hobo-by-onset-base-u-4-optic-usb-base-station
store_origin: ES
region: Spain
---

# HOBO by Onset BASE-U-4 Optic USB Base Station

**Brand:** onset hobo data loggers
**Price:** € 381.68
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** HOBO by Onset BASE-U-4 Optic USB Base Station by onset hobo data loggers
- **How much does it cost?** € 381.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/45648975-hobo-by-onset-base-u-4-optic-usb-base-station)

## Best For

- onset hobo data loggers enthusiasts

## Why This Product

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

## Description

HOBO by Onset BASE-U-4 Optic USB Base Station

## Images

![HOBO by Onset BASE-U-4 Optic USB Base Station - Image 1](https://m.media-amazon.com/images/I/31-sfgABT6L.jpg)

## Questions & Answers

**Q: Does it come with couplers (such as coupler2a)? i need it to be connected to a hobo light data logger (ua-002-64).**
A: Yes, it comes with couplers for all devices.

**Q: does it work with RG3-M**
A: Yes. 

The HOBO Pendant Event Logger that is inside the RG3-M can be read or downloaded with the BASE-U-4 or U-D-TW-1.

InspectorTools
Customer Service

**Q: Ya incluye envío gratis ?**
A: We offer free shipping to any US address

---

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**Shop now:** [https://www.desertcart.es/products/45648975-hobo-by-onset-base-u-4-optic-usb-base-station](https://www.desertcart.es/products/45648975-hobo-by-onset-base-u-4-optic-usb-base-station)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-21*