Dial Barometer for classroom, lab or industrial use.
Large, clear dual-scale barometer in hPa (hecto Pascal) and mm (millimeter mercury) on a 4" dial which is easy to read from a distance. Accuracy of ±3 to 4 hPa. Wall mounts.
Dimensions: 4" Diameter x 1" Width
Weight: 2.6 oz (74 g)