Onset HOBO H21-USB Micro Station Data Logger User Manual

1. Folasaga

The Onset HOBO H21-USB Micro Station is a compact, weatherproof data logger designed for multi-channel monitoring of environmental conditions. This battery-powered station supports up to five plug-and-play Smart Sensors, making it suitable for a wide range of indoor and outdoor applications. Its robust design and built-in USB interface ensure efficient data collection and offload.

Vaega Autu:

Compact size for easy deployment in various environments.
Five smart sensor inputs for versatile data collection.
Wide range of compatible plug-and-play smart sensors.
Integrated USB interface for direct data offload to PC or Mac.
Weatherproof IP66 enclosure for harsh outdoor conditions.
Hinged door and integrated mounting tabs for simple installation.

Figure 1: Onset HOBO H21-USB Micro Station Data Logger. This image shows the compact, grey data logger unit with its hinged door closed, highlighting its robust design.

2. Mea i totonu o le afifi

Fa'amautinoa o lo'o iai mea uma i totonu o le afifi a'o le'i fa'agasolo i le fa'apipi'iina:

HOBO H21-USB Micro Station Data Logger
Uaea USB
Tusi Lesona a le Tagata (lenei pepa)
(Note: Smart Sensors are sold separately and are not included with the base unit.)

3. Seti

3.1. Fa'apipi'i polokalame

Before deploying the HOBO H21-USB, install the necessary HOBOware software on your computer. HOBOware is required for configuring the logger, launching deployments, and offloading data.

Download the latest version of HOBOware from the official Onset webnofoaga: www.onsetcomp.com/support/software
Follow the on-screen instructions to complete the installation for your Windows PC or Mac operating system.
Connect the HOBO H21-USB to your computer using the provided USB cable. The software should recognize the device automatically.

3.2. Physical Installation and Sensor Connection

The H21-USB Micro Station is designed for easy deployment. Ensure the installation location is suitable for the sensors being used and provides adequate protection from extreme conditions beyond the logger's specifications.

Open the hinged door of the Micro Station.
Connect up to five compatible Smart Sensors into the available ports. Ensure each sensor is securely plugged in.
Close the hinged door firmly to maintain the weatherproof seal.
Use the integrated mounting tabs to secure the logger to a pole, post, or flat surface using screws or zip ties (not included). Ensure the logger is mounted in a way that does not obstruct sensor readings or expose it to unnecessary physical stress.

4. Fa'atonuga o Galuega

4.1. Configuring and Launching a Deployment

Use HOBOware software to configure the logging parameters and start a new data collection session.

Connect the HOBO H21-USB to your computer via USB.
Open HOBOware software.
From the HOBOware menu, select Device > Launch.
Configure the desired logging parameters, including:
- Ta'otoga Va'aiga: How frequently data is recorded (e.g., every 5 minutes).
- Taimi amata: Immediate, at a specific date/time, or on button push.
- Taofi Taimi: When memory is full, at a specific date/time, or never (manual stop).
- Fa'atonuga o masini: Enable/disable connected sensors and set specific sensor parameters if applicable.
Kiliki Amata to launch the deployment. The logger will begin recording data according to your settings.

4.2. Data Offload and Analysis

Once a deployment is complete or you wish to retrieve data, follow these steps:

Connect the HOBO H21-USB to your computer via USB.
Open HOBOware software.
From the HOBOware menu, select Device > Readout.
The software will offload the recorded data from the logger.
Fa'asaoina fa'amaumauga file to your computer. HOBOware allows you to view, plot, and export the data in various formats (e.g., CSV, Excel) for further analysis.

5. Tausiga

5.1. Suiga maa

The HOBO H21-USB is powered by user-replaceable batteries. Refer to the specifications for the correct battery type. Replace batteries when the low battery indicator appears in HOBOware or if the logger fails to power on.

Ensure the logger is not actively logging data. If it is, stop the deployment and offload any critical data.
Open the hinged door and locate the battery compartment.
Carefully remove the old batteries and dispose of them according to local regulations.
Fa'aofi maa fou, fa'amautinoa le polarity sa'o.
Close the battery compartment and the hinged door securely.

5.2. Fa'amamā ma Teuina

Regular cleaning and proper storage ensure the longevity and accuracy of your data logger.

Wipe the exterior of the logger with a damp ie. Aua ne'i fa'aogaina ni mea fa'amama fa'afefete po'o ni solu.
Ensure all ports and seals are free of dirt and debris.
When not in use, store the logger in a cool, dry place away from direct sunlight and extreme temperatures.
Afai e teuina mo se taimi umi, aveese maa e puipuia ai le tafe.

6. Faʻafitauli

This section addresses common issues you might encounter with your HOBO H21-USB Micro Station.

Fa'afitauli	Mafuaaga e ono tupu	Fofo
Logger not recognized by HOBOware.	E le'i feso'ota'i lelei le uaea USB. HOBOware software not installed or outdated. Fa'afitauli i aveta'avale. Logger battery depleted.	Ensure USB cable is securely connected to both logger and computer. Try a different USB port. Verify HOBOware is installed and updated to the latest version. Toe amata lau komepiuta. Sui maa.
Logger not recording data.	Deployment not launched. Logger memory full. Ma'a maualalo. Sensor not connected or faulty.	Launch a new deployment in HOBOware. Offload data and clear logger memory. Sui maa. Check sensor connections. Test with a known good sensor if available.
Inaccurate sensor readings.	Sensor calibration required. Sensor damaged or obstructed. Fa'alavelave fa'alesiosiomaga.	Refer to the specific sensor's manual for calibration procedures. Inspect sensor for physical damage or obstructions. Clean if necessary. Relocate the logger and sensors to an area free from known interference sources.

If you encounter issues not covered here, please refer to the Onset support webnofoaga po'o fa'afeso'ota'i le lagolago fa'apitoa.

7. Fa'amatalaga

Fa'aaliga	Fa'amatalaga
Fa'ata'ita'iga	H21-USB
Fa'ailoga	Amata
Ofisa o mea faigaluega	USB
Masini Fegalegaleai	PC (Windows), Mac
Number of Smart Sensor Inputs	5
Aofa'i Taulaga USB	1
Mea mamafa	2.3 pauna
Fa'ailoga Fa'amau	IP66 (Sao le tau)
Fua Lagolago	4-20mA, Amp Hour, Barometric Pressure, DC Voltage, Kilowatt Hours, Leaf Wetness, Light Intensity, Power Factor, Pulse Input, Rainfall, Relative Humidity, Soil Moisture, Temperature, Volt-Amp Reactive, Volt-Amp Reactive hour, Volt-Amps, Water Flow, Watt Hours, Watts, Wind (Requires compatible Smart Sensors)
Siosiomaga fa'agaioiga	I totonu ma fafo
UPC	645759321725
ASIN	B07N92MPXS

8. Fa'amaonia ma Lagolago

8.1. Oloa Fa'amaonia

Onset products are typically covered by a limited warranty against defects in materials and workmanship. The specific duration and terms of the warranty may vary. Please refer to the warranty information provided with your purchase documentation or visit the official Onset web'upega tafaʻilagi mo faʻamatalaga auiliili o faiga faʻamaonia.

This warranty generally covers the repair or replacement of defective units, but does not cover damage caused by misuse, improper installation, unauthorized modification, or natural disasters.

8.2. Lagolago Fa'atekinisi

For technical assistance, troubleshooting, or questions regarding your HOBO H21-USB Micro Station, please contact Onset Technical Support.

Lagolago i luga ole laiga: Visit the Onset support website for FAQs, knowledge base articles, and software downloads: www.onsetcomp.com/support
Fa'amatalaga Fa'afeso'ota'i: Refer to the Onset website for current phone numbers and email addresses for technical support.

When contacting support, please have your product model (H21-USB) and a detailed description of the issue ready.

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Onset H21-USB