This digital protractor (angle measuring device) can be used to measure angles within ±180° (0 ~ 360°) range in wide variety of applications.
base plate has v-groove with 12 built-in magnets for attaching on curved surfaces or cylinders
it can be used for measuring or setting thepitch of drainage pipes.
the protractor is featured with large and clear lcd with backlight
it can be used for setting or checking the grading of ground or roads for drainage.
the reading is always displayed as upright even the protractor is upside down.
alarm for angle (0°, 10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°)
the unit will directlyenter the state of absolute angle measurement every time its turned on
specification
measuring range: 4 x 90°
resolution: 0.1°/ 0.01%
repeatability: ±0.1°
operating temperature: 0 ~ 40°c
operating humidity: 40 ~ 80%
size: 150 x 52 x 33mm
(6" x 2" x 1" inches)