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.

Tp49 Digital Hygrometer Indoor Thermometer

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Stay perfectly balanced—comfort is just a glance away!

TOP RANKED TRUSTED - Ranked #1 in Humidifier Accessories with over 62,000 glowing reviews—join the community optimizing their indoor air quality today.
EFFORTLESS READABILITY - Large bold digits on a compact LCD screen ensure you can check your environment at a glance, from any angle or distance.
PRECISION YOU CAN TRUST - High-accuracy sensors deliver temperature and humidity readings within ±1°F and ±2-3% RH for flawless environment control.
REAL TIME COMFORT FEEDBACK - Face icon comfort indicator instantly shows DRY, COMFORT, or WET conditions—know exactly when to adjust your humidifier or dehumidifier.
VERSATILE PLACEMENT OPTIONS - Mini size with tabletop stand, magnetic back, and hanging mount lets you monitor any space from nursery to greenhouse with style and ease.

The TempPro TP49 Digital Hygrometer is a compact, highly accurate indoor/outdoor thermometer and humidity meter featuring ±1°F temperature precision, ±2-3% RH accuracy, and a fast 10-second refresh rate. Its intuitive face icon comfort indicator and versatile 3-way mounting options make it ideal for any environment, from nurseries to greenhouses. With large digits for easy reading and a top-rated reputation, it’s the go-to tool for professionals and enthusiasts seeking optimal air quality control.

Specifications

ASIN	B07WCR5Y4B
Battery Description	Alkaline
Best Sellers Rank	#104 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Humidifier Accessories #1 in Humidifier Humidity Meters
Brand Name	TempPro
Color	White Indoor Thermometer
Customer Reviews	4.6 4.6 out of 5 stars (62,410)
Included Components	Battery
Item Dimensions W x H	0.7"W x 2.6"H
Item Length	2.6 Inches
Item Weight	35 Grams
Manufacturer	TempPro
Model	TP49 White
Mounting Type	Tabletop, Wall Mount
Part Number	TP49-W
Temperature Accuracy	1 Degrees Fahrenheit
Temperature Reading Accuracy	plus_minus_1_degree_fahrenheit
Unit Count	1.0 Count
Upper Temperature Range	158 Degrees Fahrenheit
Voltage	1.5 Volts

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