- Accuracy You Can Rely On: This barometer features a contrast pen on the lens for easy comparison of atmospheric pressure readings, allowing you to track changes over time with confidence. - Precision Measurement: Equipped with a hair spring temperature sensor, wet hair sensor, and gear structure barometer movement, it delivers precise readings: - Temperature Range: -30 to 50 ℃, Accuracy: +/- 2 ℃ - Humidity Range: 0 to 100% RH, Accuracy: +/- 5% RH (optimal range: 40-70% RH) - Barometric Pressure: 950 to 1070 hPa, Accuracy: +/- 5 hPa (optimal range: 980-1040 hPa) - Quality Construction: The device is housed in a durable brass casing with a base and features a clear acrylic lens, ensuring longevity and clarity in readings. - Versatile Applications: Perfect for use in various settings, including: - Maritime environments on ships - Industrial laboratories - Home use for weather monitoring - Easy to Use: The device is designed for straightforward operation, making it suitable for both professionals and everyday users. - Compact and Stylish: Its sleek design complements any decor, whether in a home, office, or workshop, without compromising on functionality. With this barometer and hygrometer set, you gain a reliable tool for monitoring environmental conditions, enhancing your ability to make informed decisions based on accurate data.