HATUSOKU LED Digital Thermohygrometer ON04 User Manual

1. Introduction

Thank you for purchasing the HATUSOKU LED Digital Thermohygrometer ON04. This device provides accurate temperature and humidity readings with an easy-to-read LED display, suitable for both home and professional environments. This manual will guide you through the setup, operation, and maintenance of your new device.

2. Product Features

• Outstanding LED Display Visibility: The large LED display ensures clear readability from a distance, making it ideal for various settings including homes, offices, and factories.
• Adjustable LED Brightness: The LED display brightness can be adjusted to 3 levels, providing optimal visibility in bright environments and preventing excessive glare in dark rooms like bedrooms.
• Temperature and Humidity Alarm Function: Set upper and lower limits for both temperature and humidity. An alarm will sound if these limits are exceeded, aiding in heatstroke prevention and dryness management.
• Manual Calibration Function: Allows for self-calibration of temperature and humidity in 0.1°C and 0.1% units, recommended for users requiring higher accuracy.
• Max/Min Value Display: Displays the maximum and minimum recorded temperature and humidity values, enabling you to monitor past environmental conditions.
• 2-Way Installation: The device can be placed on a stand or mounted on a wall, offering flexible placement options.

3. Package Contents

• Main Unit (HATUSOKU LED Digital Thermohygrometer ON04)
• Connection Cable
• USB Adapter
• Instruction Manual (Japanese)

4. Setup

4.1 Power Connection

The HATUSOKU ON04 is powered by AC100V via the included USB adapter and connection cable. It is not battery-operated or rechargeable.

1. Connect the provided connection cable to the device's power input port.
2. Plug the USB adapter into a standard AC100V electrical outlet.
3. The device display will illuminate, indicating it is powered on.

4.2 Placement Options

The device offers two installation methods:

• Stand Placement: Extend the integrated stand on the back of the unit to place it on any flat surface.
• Wall Mounting: Use the keyhole slots on the back of the unit to hang it on a wall using appropriate fasteners (not included).

Image: The back of the HATUSOKU ON04 showing the foldable stand and wall-mount holes, along with the power input.

5. Operating Instructions

5.1 Display Overview

Image: The large LED display of the HATUSOKU ON04, highlighting its superior visibility compared to a standard LCD display.

The device features a large LED display showing current temperature and humidity. The values are updated frequently for real-time monitoring.

5.2 Brightness Adjustment

The LED display has 3 adjustable brightness levels. This allows you to optimize visibility for different lighting conditions, from bright offices to dark bedrooms.

Image: Illustration of the 3-stage brightness adjustment feature, demonstrating suitability for various environments.

To adjust brightness, locate the brightness control button (often labeled with a sun icon) on the side or back of the device and press it to cycle through the levels.

5.3 Max/Min Value Display

The device can display the highest and lowest temperature and humidity recorded over a 24-hour period. This feature helps in understanding the environmental fluctuations.

Image: The display showing current, maximum, and minimum temperature and humidity readings, along with alarm settings.

Press the 'MAX/MIN' button (refer to device diagram for exact location) to toggle between current, maximum, and minimum readings.

5.4 Alarm Settings

You can set custom upper and lower limits for both temperature and humidity. If the readings go beyond these set points, an audible alarm will sound.

To set alarms:

1. Press the 'SET' button to enter alarm setting mode.
2. Use the 'UP' and 'DOWN' buttons to adjust the desired upper or lower limit for temperature or humidity.
3. Press 'ENTER' or 'SET' again to confirm and move to the next setting.
4. Exit setting mode by pressing 'SET' or waiting for the device to time out.

5.5 Manual Calibration

For enhanced accuracy, the device allows manual calibration of temperature and humidity readings in 0.1 unit increments.

Image: The display indicating manual calibration capability for precise management in various environments.

To calibrate:

1. Refer to the detailed instructions in the included Japanese manual for the specific calibration procedure, as it may involve a combination of button presses.
2. Adjust the temperature and humidity values in 0.1°C and 0.1% increments as needed.

6. Maintenance

• Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
• Placement: Avoid placing the device in direct sunlight, near heat sources, or in areas with extreme temperature fluctuations, as this can affect accuracy.
• Power: Ensure a stable power supply. Unplug the device if it will not be used for an extended period.

7. Troubleshooting

• Display is blank: Check if the power cable is securely connected and the USB adapter is plugged into a working outlet.
• Incorrect readings: Ensure the device is not placed near heat/cold sources or in direct airflow. Perform manual calibration if necessary.
• Alarm not sounding: Verify that the alarm limits are set correctly and the alarm function is enabled.

8. Specifications

Image: Detailed product dimensions and specifications.

9. Warranty and Support

9.1 Warranty Information

This HATUSOKU product comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.

9.2 Customer Support

For any inquiries, technical assistance, or warranty claims, please contact HATUSOKU customer support through the retailer where you purchased the product or visit the official HATUSOKU store on Amazon:

HATUSOKU Amazon Store

10. Product Overview Video

Watch this official video for an introduction to the HATUSOKU large-screen digital thermohygrometer: