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This mirror sighting height gauge is great for teaching students how to quickly determine tree heights! Easy to follow instructions are embossed onto its rugged plastic shell, detailing the gauge’s short four step measuring method and height-finding formulas

The altimeter displays the current altitude in feet or meters, the difference between current and reference altitude, and graphic altitude history for the past 12 hours. Retains memory of maximum / minimum height reached and of the cumulative vertical ascent/ descent. User-programmable alarm. The barometer displays current barometric pressure in mb/hPa or in. Hg and graphical history for the past 12 hours. A storm alarm alerts user when a storm condition is approaching. °C or °F selectable. Clock features a user-selectable 12- or 24-hour format, month, date, alarm and a stopwatch on an easy-to-read LCD display. Includes wall mount and lanyard. Altimeter Specifications: Range: -1,640´ to +22,965´ (-500m to +7,000m). Resolution: 3´ from -1,640´ to +3,280´/6´ from +3,284´ to +22,965´ (1m from -500m to +1,000m/2m from +1,001m to +7,000m). Accuracy: ±3%. Alarm range: -1,640´ to 22,965´ (-500m to 7,000m). Barometer Specifications: Range: 400 mb/hPa to 1,070 mb/hPa (11.8 in. Hg. to 31.57 in. Hg.). Resolution: 1 mb/hPa (0.03 in. Hg.). Accuracy: ±8 mb (±.236 in. Hg.). Temperature range: -20°C to +70°C (-4°F to 158°F). Temperature resolution: 0.1°C (0.2°F). Temperature accuracy: ±1%. Power: Two 3V CR-2032 lithium batteries (included) with automatic low battery indicator.
The Garmin make raises the bar to offer a TFT technology display which provides excellent viewing while maximizing your battery life. The trip computer provides odometer, stopped time, moving average, overall average, total time, max speed, and more. Waterproof. In addition, the GPSMAP 60CSx also features an electronic compass which displays accurate heading while standing still and a barometric sensor with automatic pressure trend recording as well as expandable memory via 64 MB micro SD cards. All models come with a PC / USB cable, lanyard, belt clip, manual and quick start guide. (Other Model and Makes are also available)
ph: +919412072697