1. Entwodiksyon
Thank you for choosing the DOOMAY Digital Indoor Thermometer Hygrometer. This device is designed to accurately monitor the temperature and humidity levels in your indoor environment, providing essential data for maintaining a comfortable and healthy living space. Its large LCD display ensures easy readability, and multiple mounting options offer versatile placement.
This manual provides detailed instructions on how to set up, operate, and maintain your new device. Please read it thoroughly before use and keep it for future reference.

Image: The DOOMAY Digital Indoor Thermometer Hygrometer in a home setting, highlighting its key functions such as thermometer, hygrometer, comfort level indicator, date & time display, °C/°F switcher, and calibration.
2. Enfòmasyon sou Sekirite
To ensure safe operation and prevent damage to the device, please observe the following precautions:
- Pa ekspoze aparèy la nan tanperati ekstrèm, limyè solèy dirèk, oswa imidite ki wo.
- Evite jete oswa sibi aparèy la nan gwo enpak.
- Do not disassemble or attempt to repair the device yourself. Refer to qualified personnel for service.
- Kenbe aparèy la pa rive nan men timoun yo.
- Jete pil itilize yo byen selon règleman lokal yo.
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
3. Pwodwi souview
3.1. Components and Display
The DOOMAY Digital Indoor Thermometer Hygrometer features a clear LCD display and intuitive controls.

Imaj: Devan view of the DOOMAY Digital Thermometer Hygrometer, displaying temperature in Fahrenheit, humidity percentage, and the current time and date. A comfort level icon is also visible.
Eleman ekspozisyon:
- Ekspozisyon Tanperati: Shows current temperature in °C or °F.
- Ekspozisyon imidite: Shows current relative humidity in %.
- Endikatè Nivo Konfò: A face icon indicating dry, comfortable, or wet conditions.
- Ekspozisyon tan: Shows current time in 12-hour or 24-hour format.
- Dat ekspozisyon: Shows current month and day.
- Endikatè batri: Appears when battery is low.
3.2. Dimansyon
The compact design of the DOOMAY thermometer hygrometer allows for easy placement in various locations.

Image: A diagram illustrating the dimensions of the DOOMAY Digital Thermometer Hygrometer, showing a width of 8.7 cm (3.43 inches) and a height of 6.5 cm (2.58 inches).
4. Enstalasyon
4.1. Enstalasyon batri
The device is powered by one CR2450 button cell battery (included).
- Jwenn kouvèti konpatiman batri a sou dèyè aparèy la.
- Open the cover by gently pushing and sliding it.
- Mete pil CR2450 la nan plas li, bò pozitif la (+) anlè.
- Fèmen kouvèti lòj batri a byen.
4.2. Premye Limen
Once the battery is installed, the device will automatically power on and display the current temperature, humidity, time, and date.
4.3. Opsyon Plasman
The DOOMAY thermometer hygrometer offers multiple convenient mounting options:
- Sipò pou tab: Use the integrated foldable stand to place the device on any flat surface.
- Mòn mayetik: The device has a magnetic back, allowing it to be attached to metallic surfaces like refrigerators.
- Mi Mount: Use the included metal adhesive pad to stick the device to a wall.

Imaj: Egzamples of suitable environments for the DOOMAY Digital Thermometer Hygrometer, such as a baby room, office, greenhouse, and wine cellar, demonstrating its versatility.
5. Operasyon Enstriksyon
The device provides accurate and responsive readings, refreshing every 10 seconds.

Image: A visual representation of the device's 10-second refresh rate, showing air circulation around its sensors.
5.1. Changing Temperature Unit (°C/°F)
Pou chanje ant Sèlsiyis (°C) ak Farennayt (°F):
- Peze bouton "▲" button located on the back of the device.
- The temperature unit on the display will toggle between °C and °F.

Image: Two displays side-by-side, one showing temperature in Celsius and the other in Fahrenheit, illustrating the unit conversion.
5.2. Mete Tan ak Dat
To adjust the time and date settings:
- Press and hold the "SET" button on the back of the device until the hour digits start flashing.
- Use the "▲" oubyen "▼" buttons to adjust the hour.
- Peze "SET" again to confirm the hour and move to minutes.
- Repeat the process for minutes, month, and date.
- Peze "SET" one last time to exit setting mode.
To change the time format (12-hour/24-hour):
- Peze bouton "▼" button to toggle between 12-hour (AM/PM) and 24-hour formats.

Image: Two displays showing the time, one in 12-hour format with AM/PM indicator and the other in 24-hour format, demonstrating the time format switch.
5.3. Kalibrasyon
The device allows for manual calibration of temperature and humidity readings to ensure accuracy in specific environments. The calibration range is ±5°C/±9°F for temperature and ±10%RH for humidity.
- Press and hold the "SET" button for 5 seconds to enter calibration mode. The temperature reading will start flashing.
- Use the "▲" oubyen "▼" buttons to adjust the temperature offset.
- Peze "SET" to confirm the temperature offset and move to humidity calibration. The humidity reading will start flashing.
- Use the "▲" oubyen "▼" buttons to adjust the humidity offset.
- Peze "SET" to save the calibration settings and exit calibration mode.
5.4. Understanding the Comfort Level Indicator
The device features a comfort level indicator (face icon) that quickly shows the air conditions:

Image: A table illustrating the comfort level indicator. A sad face indicates dry conditions (humidity < 30%), a neutral face indicates comfortable conditions (30% ≤ humidity ≤ 70%), and another sad face indicates wet conditions (humidity > 70%).
| Icône | Kondisyon | Range imidite |
|---|---|---|
| 😟 (Sad Face) | Sèk | Imidite <30% RH |
| 🙂 (Smiling Face) | Konfòtab | 30% RH ≤ Humidity ≤ 70% RH |
| 😟 (Sad Face) | Mouye | Humidity > 70% RH |
6. Antretyen
6.1. Netwayaj
To clean the device, wipe it gently with a soft, dry cloth. Do not use liquid cleaners, aerosols, or abrasive materials, as these may damage the display or internal components.
6.2. Ranplasman batri
When the battery symbol appears on the display, it indicates that the battery level is low and needs replacement. Follow the battery installation steps in Section 4.1 to replace the CR2450 battery. A new battery typically lasts for 12 months.
6.3. Depo
If the device will not be used for an extended period, remove the battery to prevent leakage and store it in a cool, dry place.
NAN. Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Pa gen ekspozisyon oswa ekspozisyon fèb | Batri ki fèb oswa ki mouri; move enstalasyon batri. | Replace the CR2450 battery; ensure battery is inserted with correct polarity (+ side up). |
| Lekti kòrèk | Device not calibrated; placed in an area with extreme conditions or poor air circulation. | Perform manual calibration (Section 5.3); move device to a more stable environment. Allow 30 minutes for readings to stabilize after moving. |
| "LL°C" or "HH°C" displayed | Tanperati a pa nan limit mezirab la. | "LL°C" indicates temperature below -9.9°C. "HH°C" indicates temperature above 60°C. Move the device to an environment within the operating temperature range. |
| Lè/Dat ki pa kòrèk | Time/Date not set or reset after battery change. | Set the time and date manually (Section 5.2). |
8. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Nimewo Modèl | 5294 |
| Ranje Tanperati | -9.9 ° C a 60 ° C (14.2 ° F a 140 ° F) |
| Presizyon Tanperati | ±1°C |
| Range imidite | 10% a 99% RH |
| Presizyon imidite | ± 5% RH |
| Rezolisyon ekspozisyon | 0.1°C |
| Rafrechisman pousantaj | 10 segonn |
| Sous pouvwa | 1 x CR2450 Lithium Metal Battery (included) |
| Lavi batri | Apeprè. 12 mwa |
| Dimansyon (L x W x H) | 8.7 x 6.5 x 1.3 cm (3.43 x 2.58 x 0.51 pous) |
| Pwa | 70 gram |
| Opsyon Montaj | Tabletop, Magnetic, Wall Mount |
9. Garanti ak sipò
DOOMAY products are manufactured to high-quality standards. For any questions, issues, or warranty claims, please contact the seller or DOOMAY customer support through the platform where you purchased the product. Please have your order number and product model number ready when contacting support.



