Digital Hygrometer Accuracy for Home Use: What to Expect
Find out how accurate a digital hygrometer is for home use, what the SHT40 spec means, and how to test your unit against a second reading.
Healthier indoor air, measured and explained for Canadian homes.
3 articles
Hygrometers and Humidity Sensors
Find out how accurate a digital hygrometer is for home use, what the SHT40 spec means, and how to test your unit against a second reading.
Battery life varies by hygrometer model: 3-5 years for Sub-Zero/Wolf, 18 months for TempPro TP49. Check your model's documentation for the right schedule.
Why hygrometer and weather station readings differ: sensor tolerance, drift and placement. Learn when a gap is normal and how to test accuracy.