Can you calibrate these? Tube thermometers you can by putting in ice water and sliding tube as need be.

I don't believe these can be calibrated. I have two side by and the temperature remains within one degree of each other but the humidity difference is usually 10-15%.

Does this have a calibration feature? I want to be able to periodically recalibrate.

No, it does not. I find it to be quite accurate, though! I would imagine that you could just remove the battery and re-insert it to recalibrate. But manually, no calibration feature. I have baseboard heat with no thermostat so this really helps me know room temperature and humidity. Good product!

Can you change celcius to Fahrenheit? I got mine and it’s reading celcius, prefer Fahrenheit

Ours is on Fahrenheit so you must be able to change it.

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Description

🌿 Stay in the comfort zone—know your air, own your space!

TRUSTED ACCURACY - High-precision sensors with ±1°F and ±2-3% RH accuracy for reliable environment tracking.
FLEXIBLE PLACEMENT - Tabletop, magnetic back, or hanging mount—fits seamlessly into any space or style.
BOLD CLEAR DISPLAY - Large digits on a compact LCD ensure easy reading from any angle or distance.
ULTRA RESPONSIVE READINGS - Updates every 10 seconds to keep you ahead of changing indoor climates.
PRECISION COMFORT MONITORING - Face icons instantly show DRY, COMFORT, or WET air for perfect humidity control.

The ThermoPro TP49 is a sleek, battery-powered digital hygrometer and thermometer designed for millennial professionals who demand precise indoor climate control. Featuring highly accurate sensors with ±1°F and ±2-3% RH precision, a fast 10-second refresh rate, and intuitive face icon comfort indicators, it empowers you to optimize your living or work environment effortlessly. Its compact design with large digits and versatile mounting options makes it a stylish, functional addition to any room—from home offices to greenhouses.

Specifications

Colour	White Indoor Thermometer
Brand	ThermoPro
Product Dimensions	18W x 66H Millimeters
Item Weight	35 Grams
Battery Description	Alkaline
Mounting Type	Tabletop
Upper Temperature Rating	158 Degrees Fahrenheit
Voltage	1.5 Volts
Temperature Accuracy	1 Degrees Fahrenheit
Manufacturer	ThermoPro
Model number	TP49 White
Number of Memory Sticks	1
Special Feature	High Accuracy
Item Weight	35 g
Batteries	1 AAA batteries required. (included)
Item model number	TP49 White
Power Source	Battery Powered
Resolution	0.1 ℉
Included Components	Battery
Battery type	Alkaline
Are batteries included?	Yes
Lithium battery energy content	1.5 Watt Hours

Reviews

S**N

Easy to use and informative

Excellent product, very useful to know temperature and humidity especially in dry places. We use it to decide when to use the humidifier or not. Also useful to know the appropriate temperature for rooms with babies.

17.06.2025

G**D

Useful gadget

Why did you pick this product vs others?:Looks accurate after using it for months.

21.06.2025

G**E

Pocket-sized sturdy device

This review is for TP49 model. Good quality, sturdy material, size is very appropriate, portable and accurate. Definitely recommending if you are looking for simple sturdy and portal hygrometer.

9.02.2025

B**U

Good quality

Good quality. It is small.

8.08.2025

B**N

Perfect

It shows accurate temp

17.07.2025

B**R

Fine

Working fine,satisfied

28.05.2025

S**R

Perfect for room temperature and humidity.

Works well to know temp and humidity in room. had purchased because of my baby, switching on the AC in summers.

5.04.2025

G**H

Good one

Good quality product and the temperature and humidity seems to be precise

10.11.2024

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