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Onset Manuals & User Guides

Onset is a global leader in data logger and monitoring solutions, best known for its HOBO and InTemp product lines used in environmental and cold chain monitoring.

Tip: include the full model number printed on your Onset label for the best match.

About Onset manuals on Manuals.plus

Onset Computer Corporation is a market leader in the design and manufacture of data loggers and monitoring controllers. Based in Bourne, Massachusetts, Onset provides the widely used HOBO® and InTemp® data logger families, which are essential tools for a broad range of applications including building performance monitoring, renewable energy, agricultural research, and water quality management.

Their products are designed to reliably measure and record parameters such as temperature, humidity, light, energy, and soil moisture in both indoor and outdoor environments, helping professionals make data-driven decisions.

Onset manuals

Lêste hantliedingen fan manuals+ gearstald foar dit merk.

HOBO MX800 Multiparameter Water Quality Data Loggers User Guide

11 febrewaris 2025
HOBO MX800 Multiparameter Wetterkwaliteitsdataloggers Brûkersgids Gebrûksgefal: Ferbetterjen fan Tribale Wetterkwaliteitsmonitoring: Dúdliker gegevens, skjinner wetter! Probleem Unfoldwaande wettermonitoringmetoaden om miljeu-ynfloeden te mjitten A…

HOBO MX20L-04 Water Level Data Logger User Guide

22 jannewaris 2025
HOBO MX20L-04 Wetternivo-datalogger De HOBO MX20L Wetternivo-logger kontrolearret feroarjende wetternivo's yn in breed skala oan omjouwings, ynklusyf streamen, marren, wiete lannen, tijgebieten en grûnwetter.…

HOBO MX20L Water Level Logger User Guide

12 jannewaris 2025
HOBO MX20L Wetternivo Logger Produktynformaasje Produkt: HOBO MX20L Wetternivo Logger Modellen: MX20L-01 Fereaske items: Bluetooth en iOS, of AndroidTM, of in Windows-kompjûter mei Bluetooth-spesifikaasjes Druk…

HOBO MX20L-01 Water Level Logger User Guide

4 jannewaris 2025
HOBO MX20L-01 Wetternivo-logger Produktynformaasje Model: HOBO Wetternivo-logger Druk- en wetternivo-mjittingen: MX20L-01 Bedriuwsberik: 0 oant 207 kPa (0 oant 30 psia); sawat 0…

HOBO UA-002-64 Light Data Logger Eigner's Manual

11 novimber 2024
HOBO UA-002-64 Ljochtdatalogger Produktgebrûksynstruksjes Ynset/Montage De reaksje fan 'e ljochtsensor is rûchwei kosinusôfhinklik fan 'e hoeke fan 'e fertikaal. Dêrom, of bûten of ûnder wetter, moat de logger ...

HOBO MX1101 MX Temp RH Data Logger Hânlieding

3 oktober 2024
HOBO MX1101 MX Temp RH Datalogger Spesifikaasjes Model: HOBO MX Temp/RH Datalogger Modellen: MX1101, MX1101-01 (Japan en Korea) Produktgebrûksynstruksjes Plak fan 'e datalogger Plak de gegevens…

W-ADAPT-2 HOBO MX800 Two-Sensor Adapter Hânlieding

12 septimber 2024
W-ADAPT-2 HOBO MX800 Two-Sensor Adapter Overview De adapter foar twa sensoren ferbynt elke kombinaasje fan twa sensoren út 'e W-searje (W-DO, W-CTD, W-CT) mei ien HOBO MX800-logger. Ek beskikber is in opsjonele anti-biofouling ...

InTemp CX5000 Gateway Quick Start Guide | Onset

fluch start gids
Set up your InTemp CX5000 Gateway quickly for automatic data download from CX loggers to the InTempConnect cloud. This guide covers account setup, role configuration, gateway profile creation, network setup,…

InTemp CX5000 Gateway Quick Start Guide | Onset

fluch start gids
Concise guide to setting up the Onset InTemp CX5000 Gateway for automatic data download to the InTempConnect cloud. Includes steps for account setup, role configuration, network settings, and deployment.

Onset manuals from online retailers

Onset HOBO H21-USB Micro Station Data Logger User Manual

H21-USB • April 10, 2026
This comprehensive user manual provides detailed instructions for the Onset HOBO H21-USB Micro Station Data Logger, covering product overview, setup, operation, maintenance, troubleshooting, and technical specifications for effective…

Onset HOBO UX100-003 Humidity Data Logger User Manual

UX100-003 • September 11, 2025
Comprehensive user manual for the Onset HOBO UX100-003 Humidity Data Logger, covering setup, operation, maintenance, troubleshooting, and detailed specifications for accurate temperature and humidity monitoring.

HOBO U20L-04 Water Level Data Logger User Manual

U20L-04 • July 14, 2025
Comprehensive user manual for the Onset HOBO U20L-04 Water Level Data Logger. Includes setup, operation, maintenance, troubleshooting, and specifications for accurate water level monitoring.

Onset video guides

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Onset support FAQ

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  • How do I connect to my HOBO MX series logger?

    Download the HOBOconnect app (formerly HOBOmobile) on your iOS or Android device. Enable Bluetooth, ensure the logger is awake (press the button if needed), and tap the logger in the app's 'In Range' list to connect.

  • What requires the HOBOware software?

    HOBOware is generally required for launching and reading out data from Onset's USB-based data loggers. The software is available for download on the Onset website.

  • How do I change the batteries in my HOBO data logger?

    For most pendant or compact loggers, open the battery compartment (often by unscrewing an end cap or removing a back plate), remove the old batteries, and insert new ones observing the polarity. Ensure o-rings are free of debris before resealing to maintain water resistance.

  • How do I reset the password on a HOBO MX logger?

    On compatible MX loggers, press both the Start/Stop button and the Alarm/Stats button simultaneously for 3 seconds to reset the password.

  • Can Onset loggers be used underwater?

    Many HOBO loggers, such as the U20 Water Level or Pendant series, are waterproof and designed for underwater deployment. However, models like the MX1101 are for indoor use only. Always check the environmental rating (IP rating) in your manual.