1. Sarrera
This manual provides detailed instructions for the RUIZHI Mini Digital LCD Thermometer Hygrometer, Model F0342. This device is designed to accurately monitor indoor temperature and humidity, providing essential information for maintaining a comfortable and healthy environment in various settings such as homes, offices, baby rooms, greenhouses, and more.
2. Produktua amaitu daview
The RUIZHI Mini Digital LCD Thermometer Hygrometer features a large, easy-to-read LCD display that shows real-time temperature, humidity, time, and a comfort level indicator. Its compact design allows for versatile placement options.
2.1 Ezaugarri nagusiak
- Zehaztasun handiko neurketa: Accurate readings for temperature and humidity.
- Pantaila LCD handia: Pantaila digital argia eta irakurterraza.
- Quick Updates: Data refreshes every 10 seconds for responsive monitoring.
- Erosotasun-mailaren adierazlea: Visual icon to indicate current comfort conditions.
- Instalazio polifazetikoa: Tabletop stand, hanging hole, or wall adhesive options.
- Denbora bistaratzea: Supports 12-hour and 24-hour formats.
- Tenperatura-unitatearen hautaketa: Aldatu Celsius (°C) eta Fahrenheit (°F) artean.
2.2 Osagaiak

1. Irudia: Atzealdea view of the device showing the hanging hole, wall sticker area, setup buttons (MODE, ADJ, °C/°F), battery compartment, and retractable bracket.

2. irudia: Aurrealdea view of the device highlighting the large screen display, comfort level indicator, time display, date display, temperature display, and humidity display.
- Aurrealdeko pantaila: LCD screen showing time, comfort level, temperature, and humidity.
- MODE botoia: Used to switch between display modes and enter setting mode.
- ADJ botoia: Used to adjust values during setting mode.
- °C/°F botoia: Celsius eta Fahrenheit tenperatura unitateen artean txandakatzen du.
- Eskegi zuloa: Horman muntatzeko.
- Bateriaren konpartimendua: Atzealdean kokatuta dago bateria instalatzeko.
- euskarri erretiragarria: Mahai gaineko kokapenerako.
3. Konfigurazioa
3.1 Bateriaren instalazioa
- Bilatu bateriaren konpartimentuaren estalkia gailuaren atzealdean.
- Open the cover by sliding or gently prying it off.
- Insert one CR2032 button cell battery (not included) into the compartment, ensuring the correct polarity (+/-).
- Itxi bateriaren konpartimenduaren estalkia ondo.
3.2 Hasierako piztea
Once batteries are installed, the device will automatically power on and display current temperature, humidity, and time. If the display does not appear, check battery installation.
3.3 Ordua eta data ezartzea
- Eduki sakatuta MODUA button for approximately 3 seconds to enter time setting mode. The hour digit will start flashing.
- Sakatu ADJ botoia ordua doitzeko.
- Sakatu MODUA button again to move to the minute setting. Press ADJ minutuak egokitzeko.
- Jarraitu sakatzen MODUA to cycle through year, month, and day settings, using ADJ balioak aldatzeko.
- After setting the date, press MODUA ezarpen modutik irteteko.
3.4 Tenperatura-unitatea hautatzea (°C/°F)
Sakatu ° C / ° F button once to toggle between Celsius and Fahrenheit temperature displays.
4. Funtzionamendu-argibideak
4.1 Pantaila irakurtzea
The large LCD screen provides the following information:
- Ordua: Displays the current time in 12-hour (with AM/PM indicator) or 24-hour format.
- Erosotasun-mailaren adierazlea: A smiley face icon indicates the current comfort level based on temperature and humidity.
- Tenperatura: Shows the current indoor temperature in your selected unit (°C or °F).
- Hezetasuna: Displays the current indoor relative humidity as a percentage (RH%).
4.2 Comfort Level Indication
The device uses a visual icon to quickly communicate the indoor comfort level:
- Smiling Face: Indicates a comfortable environment.
- Aurpegi neutroa: Indicates a moderately comfortable or slightly dry/humid environment.
- Frowning Face: Indicates an uncomfortable environment (too dry or too humid).
4.3 Data Refresh Rate
The temperature and humidity readings are updated every 10 seconds, ensuring you have access to current environmental data.
5. Instalazioa
The RUIZHI Mini Digital LCD Thermometer Hygrometer offers multiple installation options:

Figure 3: Device shown with its retractable stand extended for tabletop placement.
5.1 Mahaiaren kokapena
Extend the retractable bracket located on the back of the device. Place the device on any flat surface such as a table, shelf, or desk.
5.2 Horman muntatzea
The device can be mounted on a wall using one of two methods:
- Using the Hanging Hole: Secure a nail or screw into the desired wall location and hang the device using the hanging hole on its back.
- Itsasgarria erabiltzea: Apply double-sided adhesive tape (not included) to the designated wall sticker area on the back of the device, then firmly press it onto a clean, dry wall surface.
6. Mantentzea
6.1 Garbiketa
Garbitu gailua zapi leun eta lehor batekin. Ez erabili garbitzaile urratzailerik edo disolbatzailerik, eta ez murgildu gailua uretan.
6.2 Bateria ordezkatzea
When the display becomes dim or stops functioning, it is time to replace the battery. Follow the steps in Section 3.1 for battery installation.
6.3 Biltegiratzea
If the device will not be used for an extended period, remove the battery to prevent leakage and store the device in a cool, dry place.
7. Arazoak
- Pantailarik ez edo pantaila iluna:
Check if the battery is installed correctly. Replace the battery if it is depleted. - Tenperatura/hezetasun neurketa okerrak:
Ensure the device is not placed in direct sunlight, near heat sources (e.g., heaters, ovens), or in areas with extreme drafts. Allow the device to stabilize in its location for at least 30 minutes for accurate readings. - Ordua okerra da:
Ikusi 3.3 atala ordua eta data berrezartzeko.
8. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | F0342 |
| Tenperatura neurtzeko tartea | -10 °C eta +60 °C (14 °F eta +140 °F) |
| Tenperatura neurtzeko zehaztasuna | ±1.0 °C (±1.8 °F) |
| Tenperatura Ebazpena | 0.1 °C (0.2 °F) |
| Hezetasuna Neurtzeko Eremua | % 10 HR 99% HR |
| Hezetasuna Neurtzeko Zehaztasuna | ±5% RH |
| Energia iturria | Battery powered (1x CR2032, not included) |
| liburukiatage | 3 Volt |
| Bistaratzeko estiloa | LCDa |
| Produktuaren neurriak | 2 x 2 x 2 cm (gutxi gorabehera 0.79 x 0.79 x 0.79 hazbete) |
| Elementuaren pisua | 110 gramo (gutxi gorabehera 3.88 ontza) |
9. Bermea
Specific warranty information for the RUIZHI Mini Digital LCD Thermometer Hygrometer F0342 is not provided in this manual. Please refer to your purchase receipt or contact the retailer where you purchased the product for details regarding warranty coverage and terms.
10. Laguntza
For technical assistance, customer service, or further inquiries regarding the RUIZHI Mini Digital LCD Thermometer Hygrometer F0342, please contact the retailer or the manufacturer directly through their official support channels.