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HOBO Manuals & User Guides

HOBO, manufactured by Onset, offers a wide range of data loggers and monitoring solutions for measuring temperature, humidity, water levels, and other environmental conditions.

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

About HOBO manuals on Manuals.plus

HOBO is the flagship line of data loggers manufactured by Onset Computer Corporation, a global leader in data-based monitoring solutions. Since 1981, Onset has designed and manufactured its products in the United States, providing reliable and accurate tools for environmental research, building performance analysis, and water quality monitoring. The HOBO product family includes USB, Bluetooth, and web-enabled data loggers that measure parameters such as temperature, relative humidity, light, energy, and water levels.

Widely used by researchers, energy auditors, and facility managers, HOBO data loggers are known for their durability and ease of use. Recent innovations include the HOBO MX series, which utilizes Bluetooth Low Energy technology to transmit data wirelessly to mobile devices via the HOBOconnect app. From monitoring underwater ecosystems to tracking indoor climate conditions, HOBO provides the data necessary to make informed decisions and verify compliance with industry standards.

HOBO manuals

Latest manuals from manuals+ curated for this brand.

HOBO MX801 Series Logger Housing-2 User Guide

September 9, 2025
HOBO MX801 Series Logger Housing-2 Specifications Materials: PVC, Stainless steel, Clevis pin with wire retainer, Rubber Buna-N O-rings Weight: 415 g (0.91 lb.) Dimensions: 26.2 cm x 7.1 cm (10.3…

HOBO MX20L-04 Water Level Data Logger User Guide

January 22, 2025
HOBO MX20L-04 Water Level Data Logger The HOBO MX20L Water Level Logger monitors changing water levels in a wide range of settings, including streams, lakes, wetlands, tidal areas, and groundwater.…

HOBO MX20L Water Level Logger User Guide

January 12, 2025
HOBO MX20L Water Level Logger Product Information Product: HOBO MX20L Water Level Logger Models: MX20L-01 Required Items: Bluetooth and iOS, or AndroidTM, or a Windows computer with Bluetooth Specifications Pressure…

HOBO MX20L-01 Water Level Logger User Guide

January 4, 2025
HOBO MX20L-01 Water Level Logger Product Information Model: HOBO Water Level Logger Pressure and Water Level Measurements: MX20L-01 Operating Range: 0 to 207 kPa (0 to 30 psia); approximately 0…

HOBO UA-002-64 Light Data Logger Owner’s Manual

November 11, 2024
HOBO UA-002-64 Light Data Logger Product Usage Instructions Deployment/Mounting The Light Sensor response is roughly cosine-dependent with the angle from vertical. Therefore, whether outdoors or underwater, the logger must be…

HOBO RX3000 Remote Monitoring Station Quick Start Guide

Quick Start Guide
Comprehensive quick start guide for the HOBO RX3000 Remote Monitoring Station. Learn to set up components, register with HOBOlink, install modules and sensors, configure communications (Ethernet, Wi-Fi, Cellular), and begin…

HOBO MX1101 Temp/RH Data Logger User Manual

User Manual
Comprehensive user manual for the HOBO MX1101 Bluetooth Low Energy (BLE) Temperature and Relative Humidity (Temp/RH) Data Logger. Learn about specifications, setup, operation, and troubleshooting.

HOBO Pendant Data Logger UA-00x Quick Start Guide

quick start guide
Quick start guide for the HOBO Pendant Data Logger (UA-00x) series, covering software setup, hardware connection, logger configuration, deployment, and data readout. Includes information on compatible base stations and shuttles.

HOBO MX20L Water Level Logger Quick Start Guide

quick start guide
Quick start guide for setting up, deploying, and downloading data from the HOBO MX20L Water Level Logger. Includes instructions on barometric pressure requirements, logger configuration, data collection, and processing using…

HOBO MicroRX Station (RX2101-RX2104) Quick Start Guide

Quick Start Guide
Quick start guide for setting up and configuring the HOBO MicroRX Station models RX2101, RX2102, RX2103, and RX2104. Includes instructions for mounting, sensor installation, HOBOlink connection, and data logging.

HOBO MX2309 Temp/RH/Solar Data Logger User Manual

manual
Comprehensive user manual for the HOBO MX2309 Temp/RH/Solar Data Logger. This guide covers specifications, setup, configuration, operation, data logging, alarm settings, calibration, and maintenance for environmental monitoring applications.

HOBO Temp/RH 3.5% Data Logger UX100-003 User Manual

User Manual
Comprehensive user manual for the HOBO Temp/RH 3.5% Data Logger (UX100-003) by Onset. Learn about its features, specifications, setup, operation, and maintenance for indoor temperature and humidity monitoring.

HOBO MX1101 Temp/RH Data Logger Manual

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User manual for the HOBO MX1101 Bluetooth Low Energy (BLE) Temp/RH Data Logger. Covers specifications, setup, configuration, operation, alarms, data download, and regulatory information.

HOBO manuals from online retailers

HOBO support FAQ

Common questions about manuals, registration, and support for this brand.

  • What app is required to configure HOBO MX series data loggers?

    You need the HOBOconnect app, which is available for iOS, Android, and Windows devices, to communicate with and configure HOBO MX Bluetooth loggers.

  • How do I wake up a HOBO water level logger?

    To wake the logger or activate Bluetooth, use the included magnetic fob and hold it against the 'WAKE' magnet icon on the logger.

  • Do HOBO water level loggers require a vent tube?

    No, HOBO MX20L water level loggers use an absolute pressure sensor and do not require vent tubes or desiccants, making them easier to maintain.

  • How do I compensate for barometric pressure in water level data?

    You can use a separate HOBO logger deployed in the air as a barometric reference, or import a barometric pressure file into the HOBOconnect Water Level Data Assistant to compensate for atmospheric changes.