General Tools HT08 Mini USB Temperature Humidity Data Logger User Manual

1. Introduction

This manual provides detailed instructions for the proper use, setup, operation, and maintenance of the General Tools HT08 Mini USB Temperature Humidity Data Logger. The HT08 is designed for accurate and reliable monitoring and recording of temperature and humidity data in various environments, making it ideal for applications such as water damage restoration, process control, and environmental monitoring.

Please read this manual thoroughly before operating the device to ensure safe and efficient use.

2. Safety Information

Observe the following safety precautions to prevent injury or damage to the device:

• Do not expose the device to extreme temperatures, direct sunlight, or high humidity beyond its specified operating range.
• Avoid dropping the device or subjecting it to strong impacts.
• Do not attempt to open or modify the device. Refer all servicing to qualified personnel.
• Ensure proper battery installation and disposal according to local regulations.
• Keep the device away from strong electromagnetic fields.

3. Package Contents

Verify that all items listed below are present in your package:

• General Tools HT08 Data Logger
• Mini-CD with PC Software and Drivers
• 2 x AA Batteries (3.6V Non-Rechargeable, 1/2 AA, 1200mAh, Li-Ion)
• User Manual (this document)

4. Product Overview

The HT08 data logger is a compact, USB-enabled device designed for continuous monitoring of temperature and humidity. It features indicator lights for status and a protective cap for the USB connector.

Figure 1: General Tools HT08 Mini USB Temperature Humidity Data Logger. The device is grey and green, with a USB connector at one end and vents at the other. Two indicator lights for 'HUM' and 'TEMP' are visible.

Key Components:

• USB Connector: For connecting to a PC to configure settings and download data.
• Temperature Sensor: Internal sensor for ambient temperature measurement.
• Humidity Sensor: Internal sensor for ambient relative humidity measurement.
• Status Indicators (LEDs): Lights indicating logging status, high/low alarms for humidity and temperature.
• Battery Compartment: Houses the 1/2 AA batteries.

5. Setup

5.1. Battery Installation

1. Carefully open the battery compartment cover on the device.
2. Insert the two 1/2 AA batteries, ensuring correct polarity (+/-).
3. Close the battery compartment cover securely.

5.2. Software and Driver Installation

The HT08 requires dedicated PC software and drivers for configuration and data retrieval. The software allows setting sampling times, alarm points, and exporting data.

Important Note:

The software and drivers are provided on a mini-CD. If your computer lacks a CD drive, please visit the General Tools official website for potential download options or contact their customer support for assistance. Installation of this software is mandatory to configure the device and access logged data.

1. Insert the provided mini-CD into your computer's CD/DVD drive.
2. Follow the on-screen instructions to install the HT08 software and necessary USB drivers.
3. Once installed, launch the HT08 software application.

6. Operating Instructions

6.1. Device Configuration (Using PC Software)

Before logging data, connect the HT08 to your PC via the USB port and use the software to configure settings:

• Sampling Rate: Set the interval at which the device records data (e.g., every 10 seconds to 12 hours).
• Alarm Setpoints: Define high and low alarm thresholds for both temperature and humidity. The device's LEDs will indicate when these thresholds are exceeded.
• Start Mode: Configure whether logging starts immediately, at a scheduled time, or manually.
• User Information: Optionally add device identification or location details.

Save your settings to the device before disconnecting it from the PC.

6.2. Data Logging

Once configured, the HT08 will begin logging data according to your settings. The device can store over 16,000 pairs of RH and temperature readings.

• To start logging without a PC (if configured for manual start), press the button on the device (if applicable, refer to software for specific start methods).
• The status LEDs will indicate active logging.

6.3. Data Retrieval and Analysis

To download recorded data:

1. Connect the HT08 data logger to your PC's USB port.
2. Open the HT08 software. The software will automatically detect the connected device and prompt to download data.
3. Follow the software instructions to download the logged data.
4. The software allows for one-click exporting of logs to Excel for further analysis. It can also calculate GPP/GPK mixing ratio, dew point, and wet bulb temperatures.

7. Maintenance

• Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, remove the batteries to prevent leakage. Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
• Battery Replacement: Replace batteries when the low battery indicator appears or when the device fails to power on. Use only the specified battery type (3.6V Non-Rechargeable, 1/2 AA, Li-Ion).

8. Troubleshooting

9. Specifications

10. Warranty and Support

General Tools provides a limited warranty for the HT08 data logger against defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official General Tools website for detailed warranty terms and conditions.

For technical support, troubleshooting assistance, or inquiries regarding software updates and drivers, please contact General Tools customer service:

• Website: www.generaltools.com (Check for software downloads and FAQs)
• Customer Service: Refer to the contact information provided on the General Tools website or product packaging.

When contacting support, please have your product model (HT08) and purchase information ready.