Introducción
Thank you for choosing the ORIA Digital Refrigerator and Freezer Thermometer. This device is designed to monitor temperature and humidity in your refrigerator, freezer, or other environments using its main unit and two wireless sensors. Please read this manual carefully before use to ensure proper operation and longevity of the product.
Producto terminadoview
Componentes incluidos:
- 1 x Unidad de visualización principal
- 2 sensores remotos inalámbricos
- 1 x Manual de usuario
- 1 x USB Data Cable (for main unit power)
- 1 x Magnetic Plate (for main unit installation)
Main Unit Display Features:

Imagen: Detallada view of the main display unit, showing various indicators for time, date, indoor temperature/humidity, sensor 1 temperature/humidity, and sensor 2 temperature/humidity, along with control buttons.
- Temperatura y humedad interior: Displays current conditions at the main unit's location.
- Sensor 1 Temperature & Humidity: Shows readings from the first wireless sensor (green zone).
- Sensor 2 Temperature & Humidity: Shows readings from the second wireless sensor (blue zone).
- Hora Fecha: Current time and calendar display.
- Registros máximos/mínimos: Tracks highest and lowest temperature/humidity for each channel.
- Indicadores de alarma: Visual alerts for temperature deviations.
Configuración
Instalación de la batería:
- Unidad principal: Open the battery compartment on the back. Insert 3 x AAA batteries (not included), ensuring correct polarity (+/-).
- Sensores inalámbricos: Open the battery compartment on each sensor. Insert 2 x AA batteries (not included) into each sensor, observing correct polarity.
Note: The main unit can also be powered via the included USB cable. When powered by USB, the backlight remains on and offers three brightness levels.
Sensor Synchronization:
After installing batteries in both the main unit and sensors, the sensors will automatically attempt to synchronize with the main unit. This process may take a few moments. Ensure sensors are within range of the main unit during initial setup.
Instrucciones de funcionamiento
Pantalla básica:
The main unit displays indoor temperature and humidity, along with readings from Sensor 1 and Sensor 2. Each sensor's data is presented in a distinct color zone (green for Sensor 1, blue for Sensor 2) for easy identification.
Temperature Unit Selection (℃/℉):
Presione el MODO button to cycle through display modes. To change the temperature unit between Celsius (℃) and Fahrenheit (℉), locate the dedicated button (often labeled ℃ / ℉ or integrated with another button like +/-) and press it.
Registros máximos/mínimos:
The device records maximum and minimum temperature and humidity values for the past 24 hours or since the last reset. Briefly press the +/- button to switch between 24-hour and all-time record modes. To clear the records, press and hold the +/- botón.
Control de luz de fondo:
- Energía de la batería: The backlight activates for 10 seconds when any button is pressed.
- Energía del USB: The backlight remains continuously on. Press the backlight button (if available) or a specific button combination to adjust between three brightness levels.

Image: Illustration of the main unit connected via USB for continuous backlight and battery compartment for battery-only operation.
Función de alarma de temperatura
The thermometer features an adjustable alarm function for both wireless sensors. You can set specific maximum and minimum temperature thresholds.

Image: Visual representation of wireless sensors placed in a refrigerator and freezer, with the main unit displaying an active temperature alarm.
Configuración de la alarma:
- Presione el CH1 or CH2 button to select the sensor channel you wish to configure.
- Mantenga pulsado el ALERTA button (or a similar button, refer to the specific manual for exact button labels) until the alarm temperature settings begin to flash.
- Utilice el +/- buttons to adjust the desired maximum and minimum temperature thresholds.
- Presione el ALERTA Botón nuevamente para confirmar y guardar la configuración.
If the temperature in a monitored zone exceeds or falls below the set thresholds, the main unit will emit an audible alarm for two minutes. Press the -/RF botón para view pre-set alarm temperatures.
Instalación
The main unit and wireless sensors offer multiple installation options for convenience.

Image: The main unit illustrating its built-in stand, magnetic back, and hanging hole for versatile placement.
Ubicación de la unidad principal:
- Pararse: Use the integrated kickstand on the back to place the unit on a countertop or shelf.
- Fijación magnética: Attach the provided magnetic plate to the back of the main unit and then secure it to any metallic surface, such as a refrigerator door.
- Montaje en pared: Utilize the hanging hole on the back to mount the unit on a wall using a screw or hook (not included).
Wireless Sensor Placement:

Image: A wireless sensor positioned inside a refrigerator, demonstrating its remote monitoring capability.
- Place the wireless sensors inside your refrigerator, freezer, or any other area you wish to monitor.
- Ensure the sensors are placed vertically as indicated in the instructions for optimal performance.
- The maximum transmission distance is approximately 100 meters (328 feet) in open areas. Walls and obstacles may reduce this range.
Mantenimiento
- Limpieza: Limpie la unidad principal y los sensores con un paño suave.amp paño. No utilice limpiadores abrasivos ni lo sumerja en agua.
- Reemplazo de batería: When the low battery icon appears on the display, replace the batteries promptly. For the main unit, use 3 x AAA batteries. For each wireless sensor, use 2 x AA batteries.
- Almacenamiento: If not in use for an extended period, remove all batteries to prevent leakage and store the device in a cool, dry place.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| No hay pantalla en la unidad principal. | Las baterías están agotadas o instaladas incorrectamente. | Replace batteries (3xAAA) or check polarity. Connect USB power. |
| Sensor readings not appearing. | Sensor batteries are dead, sensor is out of range, or not synchronized. | Replace sensor batteries (2xAA). Move sensor closer to the main unit. Re-synchronize by removing and reinserting batteries in both units. |
| Temperatura/humedad inexacta. | Sensor placement, interference, or calibration issue. | Ensure sensors are not near heat sources or vents. Allow time for readings to stabilize. If persistent, contact support. |
| La alarma no suena. | Alarm thresholds not set or alarm function is off. | Verify alarm settings and ensure the alarm icon is active on the display. |
| Settings reset after battery change. | This model does not retain settings without continuous power. | Re-enter time, date, and alarm settings after each battery replacement. Consider using USB power for the main unit to retain settings. |
Presupuesto
| Característica | Detalle |
|---|---|
| Número de modelo | WA181 |
| Marca | ORIA |
| Alimentación de la unidad principal | 3 x AAA batteries (not included) or USB powered (cable included) |
| Potencia del sensor | 2 pilas AA por sensor (no incluidas) |
| Precisión de temperatura | ±1℃ (1.8℉) |
| Precisión de humedad | ±5 % HR |
| Tipo de pantalla | Pantalla LCD a color |
| Funciones especiales | Dual wireless sensors, Temperature/Humidity alarm, 24-hour/All-time Max/Min records, DST |
| Material | Plástico |
| Alcance de transmisión inalámbrica | Hasta 100 metros (328 pies) al aire libre |
Garantía y soporte
ORIA is committed to providing high-quality products and customer service.
- Garantía: Este producto viene con una garantía de 1 años a partir de la fecha de compra.
- Devoluciones: Enjoy a 30-day hassle-free return policy.
- Atención al cliente: For any questions, issues, or technical assistance, please contact ORIA customer service. We aim to respond within 24 hours and provide lifetime after-sales support.



