Why it matters
The Honeywell HHM10B Humidity Monitor is a temperature and humidity monitor with a stated temperature accuracy of 1°C and a humidity range of 10-90%.
A hygrometer tells you whether you need a humidifier or a dehumidifier: aim for 40 to 60 percent relative humidity indoors.
Price-wise it sat in the cheapest third of the 25 hygrometer models we cover when we checked; the button shows today's price.
It qualifies for our lists Best Hygrometers for Home, Best Honeywell filters and air products, where it is ranked against every model that meets the same rule.
The listing gives a weight of 3.2 ounces.
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 ±1°C
Cons
- Readings need a few hours to settle after moving it
Limitations to weigh
- Not stated on the Honeywell HHM10B Humidity Monitor listing: connectivity, power source. Ask the seller or check the manual before relying on it.
Specifications
The bracket shows where each figure comes from.
| Product weight | 3.2 ounces | Retailer |
|---|---|---|
| Mounting / installation | Tabletop | Retailer |
| Humidity range | 10-90% | Retailer |
| Temperature accuracy | 1°C | Retailer |
| Pack count | 1 | Retailer |
| Unit count | 1 Count | Retailer |
| In the box | humidity monitor | Retailer |
Alternatives worth comparing
More air quality monitors we cover
- AcuRite 17017M Hygrometer
- SONOFF SNZB-02D Temperature and Humidity Sensor
- Protmex PT6508 Hygrometer
- Blueair FSensePac Air Quality Monitor
- Airthings Corentium Home 223 Radon Monitor
All air quality monitors, compared in one table · Every Honeywell product we cover
Final verdict
A practical choice for setting a humidifier or dehumidifier. Confirm the model it fits before ordering.
Where to buy
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