Why it matters
The Inkbird IBS-TH1 Plus Temperature and Humidity Monitor is a temperature and humidity monitor with a stated temperature accuracy of 0.3 degrees celsius.
A hygrometer tells you whether you need a humidifier or a dehumidifier: aim for 40 to 60 percent relative humidity indoors.
The listing names Bluetooth and battery power.
Price-wise it sat in the middle third of the 25 hygrometer models we cover when we checked; the button shows today's price.
It qualifies for our list Best Hygrometers for Home, where it is ranked against every model that meets the same rule.
The listing gives dimensions of 0.79 inW x 2.5 inH and a weight of 53 g.
Who it's for, and who should skip it
Good fit if
- Setting a humidifier or dehumidifier
Look elsewhere if
- Replacing a CO or smoke alarm
Pros and cons
Pros
- Temperature ±0.3 degrees celsius
Cons
- Readings need a few hours to settle after moving it
Limitations to weigh
- Not stated on the Inkbird IBS-TH1 Plus Temperature and Humidity Monitor listing: humidity range, connectivity, power source. Ask the seller or check the manual before relying on it.
Specifications
The bracket shows where each figure comes from.
| Dimensions (seller) | 0.79"W x 2.5"H | Retailer |
|---|---|---|
| Product weight | 53 g | Retailer |
| Mounting / installation | Tabletop | Retailer |
| Temperature accuracy | 0.3 degrees celsius | Retailer |
| Pack count | 1 | Retailer |
| Unit count | 1 Count | Retailer |
| In the box | Thermohygrometer, two AAA batteries, internal sensor, external probe, and magnet. | Retailer |
Alternatives worth comparing
More air quality monitors we cover
- X-Sense XR0B-SR Radon Monitor
- SafetySiren P4SU1 Radon Monitor
- Temtop Portable CO2 Meter
- GoveeLife H5140 CO2 Monitor
- Serundo Hygrometer 10-Pack
All air quality monitors, compared in one table · Every Inkbird product we cover
Final verdict
A sensible choice for setting a humidifier or dehumidifier. Confirm the model it fits before ordering.
Where to buy
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure



