1. Introduction
Thank you for choosing the TFA Dostmann 30.5013 Digital Thermo-Hygrometer. This device is designed to accurately measure and display both indoor and outdoor temperature and humidity. It features a clear digital display and a max.-min. function to track extreme values. Please read this manual carefully before operating the device to ensure proper use and longevity.
Figure 1: Front view of the TFA Dostmann 30.5013 Digital Thermo-Hygrometer, displaying indoor and outdoor temperature and humidity readings.
2. Package Contents
Ensure all items are present and in good condition:
- TFA Dostmann 30.5013 Digital Thermo-Hygrometer unit
- Outdoor sensor with cable
- 1 x 1.5V AAA battery
- User Manual (this document)
3. Product Features
- Simultaneous display of indoor and outdoor temperature.
- Simultaneous display of indoor and outdoor humidity.
- Wired outdoor sensor for accurate external measurements.
- Max.-min. function to record highest and lowest measured values.
- Switchable temperature units between Celsius (°C) and Fahrenheit (°F).
- Compact design with a stand for desktop placement and a hanging option for wall mounting.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the device.
- Slide the cover downwards to open the compartment.
- Insert one 1.5V AAA battery, ensuring the correct polarity (+/-).
- Replace the battery compartment cover.
Figure 2: Rear view of the device, highlighting the battery compartment and the °C/°F selection switch.
Figure 3: Battery correctly inserted into the compartment.
4.2 Temperature Unit Selection
On the back of the device, locate the small switch labeled °F/°C. Slide this switch to select your preferred temperature unit (Celsius or Fahrenheit).
4.3 Outdoor Sensor Placement
Connect the outdoor sensor cable to the designated port on the side of the main unit. Position the outdoor sensor in a location that accurately reflects the outdoor conditions. For best results, place the sensor in a shaded area, protected from direct sunlight, rain, and strong winds. Ensure the cable is routed safely and does not pose a tripping hazard.
Figure 4: The main unit with the outdoor sensor and its connecting cable.
5. Operating Instructions
5.1 Display Overview
The large LCD display shows four main readings:
- IN Temperature: Indoor temperature.
- IN Humidity: Indoor humidity.
- OUT Temperature: Outdoor temperature (from external sensor).
- OUT Humidity: Outdoor humidity (from external sensor).
Figure 5: Angled view of the device, showing the display layout and the 'MAX/MIN' and 'RESET' buttons on the side.
5.2 Max./Min. Function
The device records the maximum and minimum temperature and humidity values for both indoor and outdoor measurements since the last reset.
- Press the MAX/MIN button once to display the maximum recorded values (temperature and humidity for IN and OUT).
- Press the MAX/MIN button a second time to display the minimum recorded values.
- Press the MAX/MIN button a third time to return to the current readings.
5.3 Resetting Max./Min. Values
To clear the recorded maximum and minimum values and start a new recording cycle:
- While the maximum or minimum values are displayed (after pressing MAX/MIN), press and hold the RESET button for approximately 3 seconds.
- The display will show the current values, and the max./min. memory will be cleared.
6. Maintenance
6.1 Battery Replacement
When the display becomes dim or the readings are inconsistent, it is time to replace the battery. Follow the steps in Section 4.1 Battery Installation to replace the 1.5V AAA battery.
6.2 Cleaning
Clean the device and sensor with a soft, damp cloth. Do not use abrasive cleaners or solvents. Avoid getting moisture into the electronic components.
6.3 Environmental Considerations
To ensure accurate readings and prolong the life of the device:
- Keep the main unit away from direct sunlight, heat sources, and extreme temperature fluctuations.
- Ensure the outdoor sensor is protected from direct rain, snow, and strong winds. A sheltered, shaded location is ideal.
- Avoid placing the device near sources of strong electromagnetic interference.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display or dim display | Battery is dead or incorrectly inserted. | Replace the battery, ensuring correct polarity. |
| Incorrect outdoor readings | Outdoor sensor exposed to direct sunlight, rain, or wind. Sensor cable not properly connected. | Relocate the outdoor sensor to a sheltered, shaded area. Check the sensor cable connection. |
| Readings not updating | Battery low. | Replace the battery. |
| Max/Min values not resetting | RESET button not held long enough. | Press and hold the RESET button for approximately 3 seconds while Max/Min values are displayed. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 30.5013 |
| Manufacturer | TFA Dostmann |
| Product Dimensions (L x W x H) | 10.21 x 2.11 x 11 cm |
| Item Weight | 144 Grams |
| Power Source | 1 x 1.5V AAA Battery (included) |
| Indoor/Outdoor Temperature Range | -10°C to +60°C (14°F to 140°F) |
| Operating Humidity Range | 10% to 99% |
| Temperature Accuracy | ±1°C |
| Mounting Type | Wall Mount / Tabletop Stand |
| Country of Origin | China |
Figure 6: The device held in hand, showing its compact size and approximate dimensions.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact TFA Dostmann directly through their official website. Keep your proof of purchase for any warranty claims.
Manufacturer: TFA Dostmann GmbH & Co. KG
Website: www.tfa-dostmann.de (Please note: This link is for informational purposes and may lead to an external website.)