Onset HOBO UX100-011A Temperature and Humidity Data Logger User Manual

1. Introduction

1.1 Product Overview

The Onset HOBO UX100-011A is a data logger designed for accurate measurement and recording of ambient temperature and humidity. It features an internal sensor and an LCD display for real-time readings and status updates. This device is suitable for various monitoring applications requiring precise environmental data.

Image 1.1: The Onset HOBO UX100-011A data logger. The device features a clear LCD screen displaying temperature (78.54 °F) and humidity (42.6 %RH) readings, along with memory and logging indicators. A sensor grille is visible on the right side of the unit.

1.2 Key Features

• Internal sensor for temperature and humidity measurements.
• Measurement range: -20°C to 70°C (temperature) and 1% to 95% RH (humidity).
• Accuracy: 0.21°C and 2.5% RH.
• LCD display shows current temperature, humidity, recording mode, battery level, and alarm status.
• User-replaceable coin cell lithium battery with approximately a 1-year life at a 1-minute sampling rate.
• Software-selectable sampling rate from 1 second to 18 hours.
• Stores up to 84,650 measured readings.

2. Setup

2.1 System Requirements

To configure the data logger and download recorded data, a computer with HOBOware software is required. Compatible operating systems include:

• Windows: 8, 7, Vista, or XP
• Mac: OS X 10.6, 10.7, or 10.8

2.2 Software Installation

Download and install the latest version of HOBOware software from the official Onset website. Follow the on-screen instructions to complete the installation process.

2.3 Initial Device Connection

1. Connect the HOBO UX100-011A data logger to your computer using a standard USB cable.
2. The HOBOware software should automatically detect the connected device.
3. Use HOBOware to configure logging parameters such as sampling rate and start/stop times.

3. Operating Instructions

3.1 Data Logging

Once configured via HOBOware, the data logger will begin recording temperature and humidity data at the specified sampling interval. The device can store up to 84,650 readings before requiring data download.

3.2 LCD Display Information

The LCD display provides real-time information:

• Current Readings: Displays the most recent temperature and humidity values.
• Recording Mode: Indicates if the logger is actively recording data.
• Battery Level: Shows the remaining battery charge.
• Alarm Status: Notifies if any configured alarms have been triggered.

3.3 Data Download and Analysis

1. Connect the data logger to your computer using the USB cable.
2. Open HOBOware software.
3. Follow the software prompts to download the recorded data.
4. Within HOBOware, you can view, graph, and export the collected data for further analysis.

4. Maintenance

4.1 Battery Replacement

The HOBO UX100-011A uses a user-replaceable coin cell lithium battery. When the battery level indicator on the LCD display shows low charge, replace the battery to ensure continuous operation and data integrity. Refer to the HOBOware software or the full product manual for specific battery replacement instructions.

5. Troubleshooting

5.1 Common Issues

• Device not recognized by HOBOware: Ensure the USB cable is securely connected and that HOBOware software is properly installed and updated. Check your computer's device manager for any driver issues.
• No data logging: Verify that the device battery is not depleted. Confirm that the logging parameters have been correctly configured and started in HOBOware.
• Inaccurate readings: Ensure the data logger is placed in an environment free from direct sunlight, heat sources, or excessive airflow that could affect sensor accuracy.

For further troubleshooting, consult the HOBOware help documentation or the Onset support website.

6. Specifications

7. Warranty and Support

For detailed warranty information and technical support, please refer to the official Onset Computer Corporation website or contact their customer service. Keep your purchase receipt for warranty claims.

Onset Website: www.onsetcomp.com