Introduction
The TFA Dostmann 30.5038.01 Digital Thermo Hygrometer is designed to help you monitor the indoor climate of your living spaces. Maintaining optimal temperature and humidity levels is crucial for comfort, health, and the preservation of your home's furnishings. This device provides accurate readings and features a clear display with additional functions like an alarm clock and date display.
This manual will guide you through the setup, operation, and maintenance of your thermo-hygrometer to ensure its proper function and longevity.
Product Overview
Figure 1: Front view of the Digital Thermo Hygrometer. It features a large, clear display showing the current time, temperature in Celsius, and relative humidity percentage. A small smiley icon indicates comfort levels.
Figure 2: The hygrometer positioned on a coffee table, demonstrating its compact size and tabletop mounting capability. It blends seamlessly into a home environment.
Figure 3: A visual representation of the device's dimensions, highlighting its compact form factor suitable for various placements.
Key Features:
- Digital display for temperature and humidity.
- Smiley icon indicating comfort level of indoor climate.
- High-gloss surface design.
- Integrated clock with date display.
- Alarm clock with snooze function.
- Hourly chime function.
- Memory for highest and lowest values.
- Tabletop mounting.
Setup
1. Battery Installation:
- Locate the battery compartment on the back of the device.
- Open the battery compartment cover.
- Insert 1 AA battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
2. Placement:
Place the thermo-hygrometer on a flat, stable surface such as a table, shelf, or desk. Ensure it is not exposed to direct sunlight, drafts, or extreme temperature fluctuations, as this may affect the accuracy of the readings.
Operating Instructions
Display Information:
- Upper Display: Shows the current time and date.
- Lower Display: Shows the current temperature (in °C) and relative humidity (in %).
- Smiley Icon: Indicates the comfort level of the indoor climate. A smiling face typically means ideal conditions.
Setting Time and Date:
Refer to the buttons on the back or side of the device. Typically, there are "MODE", "SET", and "ADJ" (or similar) buttons.
- Press the MODE button until the time display flashes or you enter the setting mode.
- Use the SET or ADJ button to adjust the hour, then press MODE to confirm and move to minutes.
- Repeat for minutes, year, month, and day.
- Press MODE again to exit the setting mode.
Setting the Alarm Clock:
- Press the MODE button repeatedly until the alarm time is displayed.
- Press and hold the SET button to enter alarm setting mode. The hour will flash.
- Use the ADJ button to set the desired hour, then press SET to confirm.
- Use the ADJ button to set the desired minutes, then press SET to confirm.
- To activate/deactivate the alarm, press the ADJ button while the alarm time is displayed. An alarm icon will appear/disappear.
- To use the snooze function, press any button (except the alarm off button) when the alarm sounds. The alarm will sound again after a few minutes.
Activating Hourly Chime:
Some models feature an hourly chime. To activate or deactivate this function, locate the dedicated chime button or a combination of buttons (e.g., press MODE and ADJ simultaneously) as per the specific model's design. A small icon (e.g., a bell) may appear on the display when activated.
Viewing Min/Max Values:
The device stores the highest and lowest temperature and humidity values recorded since the last reset. To view these values:
- Press the MAX/MIN button (or similar) once to display the maximum recorded values.
- Press it again to display the minimum recorded values.
- To clear the recorded values, press and hold the MAX/MIN button while the values are displayed.
Maintenance
Cleaning:
Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the high-gloss surface or the display. Ensure no liquid enters the device.
Battery Replacement:
When the display becomes dim or the device stops functioning, it's time to replace the battery. Follow the battery installation steps outlined in the "Setup" section. Dispose of used batteries according to local regulations.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead battery. | Replace the AA battery. Ensure correct polarity. |
| Incorrect temperature/humidity readings. | Device placed in an unsuitable location (direct sunlight, draft, near heat source). | Relocate the device to a stable environment away from direct influences. Allow time for readings to stabilize. |
| Buttons are unresponsive. | Temporary software glitch or low battery. | Remove and reinsert the battery to reset the device. If issue persists, replace battery. |
| Alarm not sounding. | Alarm not activated or volume too low (if adjustable). | Ensure the alarm function is enabled (check for alarm icon on display). Verify alarm time is set correctly. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 30.5038.01 |
| Product Dimensions | 3.9 x 3.94 x 1.81 inches (approx. 9.9 x 10 x 4.6 cm) |
| Item Weight | 3.35 ounces (95 Grams) |
| Power Source | 1 AA battery (Alkaline recommended) |
| Mounting Type | Tabletop |
| Upper Temperature Rating | 55 Degrees Celsius |
| Manufacturer | TFA-Dostmann |
| Date First Available | July 12, 2015 |
Warranty and Support
For information regarding warranty coverage, technical support, or replacement parts for your TFA Dostmann 30.5038.01 Digital Thermo Hygrometer, please refer to the official TFA-Dostmann website or contact their customer service directly. Contact details can typically be found on the manufacturer's packaging or website.
Please retain your purchase receipt as proof of purchase for any warranty claims.
