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Your cart is empty.The Steamrock SB-42 digital barometer detects and records changes in atmospheric pressure. It displays current atmospheric pressure, a graph showing changes in that pressure over 84 hours, and a World Meteorological Organization (WMO) symbol depicting changes over three hours. Beneath that symbol is a numeric value representing net value changes over the three hours. Atmospheric pressure is measured every 15 minutes and is stored in a built-in memory. Results are shown on a high contrast sun readable e-paper display. Steamrock SB-42 is a standalone device that does not require software updates, internet connection, or an external power supply. It operates on three AAA batteries up to one year, with remaining charge displayed using a battery icon and percent remaining number. Although this barograph is not a tool for extremely precise lab measurement, it is perfectly suitable for keeping track of atmospheric pressure tendencies. Thus, it can be used as an aid to navigation and an instrument for weather observation. Wall mount. Dimensions: 105 x 105 x 25 mm (4.14” x 4.14” x 1”) Weight: 185 g (without batteries) Power: 3 x AAA (4.5 V) Display: 4.2” b/w electronic paper (85 x 64 mm) Pressure units: mb, hPa, inHg Elevation units: m, ft Absolute accuracy: 1 mb/hPa at 0 ~ 50 °C (0.0295 inHg at 32 ~ 122°F) Long term drift:
Marek
2025-07-04 16:14:00
Beatiful display accuracy
Barry Goldberg
2025-03-05 20:18:03
When I discovered this product on Amazon's site, I- typically- read everything I could to find about this digital barograph. So, there were no surprises when it came to its first-time adjustments, what the various icons meant, how to mount it, etc. This product is well-made, and most importantly extremely accurate when compared to my other atmospheric pressure measurement devices. It arrived in only 3 days from Taiwan. It was a win-win-win!...
Keith McLaren Photography
2025-02-27 12:01:15
Great Barometer and works as expected. Battery life is great and still reading 100% after about 2 months of user. The screen is fantastic and easy to read. It does require light to see since not backlit.
Luigi Razeto
2025-02-17 16:58:00
Installed on my boat great help during long open water crossings
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