Product Overview
The ThermoPro TP49 Digital Hygrometer is a compact and accurate device designed to monitor indoor temperature and humidity levels. It features a clear LCD display with large digits for easy readability and a comfort indicator to quickly assess air conditions.

Image: Three ThermoPro TP49 units displaying temperature and humidity, highlighting their compact size.
- Face Icon Comfort Indicator: Quickly informs you about DRY/COMFORT/WET air conditions.
- Highly Accurate Sensors: Provides precise readings with +/-1°F/°C and +/-2% to 3%RH accuracy.
- Fast Refresh Rate: Updates temperature and humidity readings every 10 seconds.
- Compact Display with Large Digits: Easy to read from any angle and distance.
Setup
The ThermoPro TP49 comes ready to use with an included AAA battery. Simply install the battery to activate the device.
Battery Installation
- Locate the battery compartment on the back of the unit.
- Slide open the battery cover.
- Insert one AAA battery, ensuring correct polarity (+/-).
- Close the battery cover securely.

Image: Illustration of the battery compartment, indicating the use of a single AAA battery for long-lasting power.
Operating Instructions
The TP49 is designed for straightforward operation, providing instant readings without complex settings.
Temperature and Humidity Display
Once the battery is installed, the device will immediately display the current temperature and humidity. The temperature is shown in large digits at the top, and humidity is displayed below.

Image: The device displaying temperature and humidity, with icons illustrating its key features.
Comfort Indicator
A face icon on the display indicates the comfort level based on humidity:
- DRY: Humidity below 30% (straight face).
- COMFORT: Humidity between 30% and 60% (smiley face).
- WET: Humidity above 60% (straight face).

Image: The comfort indicator on the display, explaining the different humidity ranges for Dry, Comfort, and Wet conditions.
Fahrenheit/Celsius Selection
To switch between Fahrenheit (°F) and Celsius (°C), press the °F/°C button located on the back of the unit.
Placement Options
The ThermoPro TP49 offers versatile placement options to suit various environments:
- Tabletop Stand: Utilize the integrated kickstand for freestanding placement on any flat surface.
- Magnetic Back: The strong magnet allows attachment to metallic surfaces like refrigerators.
- Hanging Mount: Use the hanging hole to mount the unit on a wall or hook.

Image: Visual representation of the three different placement methods: hanging, magnetic, and tabletop stand.
Ideal for use in living rooms, baby rooms, kitchens, greenhouses, guitar rooms, offices, or cellars to ensure optimal environmental conditions.

Image: Examples of where the ThermoPro TP49 can be placed, including a baby room, office, cellar, and greenhouse.
Maintenance
The ThermoPro TP49 is designed for low maintenance. The included AAA battery provides 18-24 months of battery life. Replace the battery when the display becomes dim or unresponsive.
To clean the device, wipe it with a soft, damp cloth. Do not immerse the unit in water or use abrasive cleaners.
Troubleshooting
If the device is not displaying readings or is showing inaccurate readings, try the following:
- Check Battery: Ensure the AAA battery is correctly installed and has sufficient charge. Replace if necessary.
- Reset: Remove the battery, wait a few seconds, and then reinsert it to perform a soft reset.
- Environmental Factors: Avoid placing the unit in direct sunlight, near heat sources, or in areas with extreme drafts, as these can affect accuracy.
Specifications
| Feature | Detail |
|---|---|
| Brand | ThermoPro |
| Model | TP49 |
| Color | Oyster White |
| Product Dimensions | 2.2"W x 2.6"H |
| Item Weight | 5.6 ounces (0.16 Kilograms) |
| Battery Type | 1 AAA battery (included) |
| Temperature Accuracy | ±1°F |
| Humidity Accuracy | ±2% to 3%RH |
| Operating Humidity | 10%-99% |
| Refresh Rate | 10 seconds |
| Mounting Type | Freestanding (Tabletop Stand, Magnetic Back, Hanging Mount) |
Warranty and Support
ThermoPro products are designed for reliability and performance. For any questions, technical support, or warranty claims, please visit the official ThermoPro website or contact their customer service directly.
For more information, visit the ThermoPro Store on Amazon.






