Pro 3600 Digital Level with SPC Output Specifications include... Measuring Range: 360° (4 x 90°) Resolution 0-10°: 0.01° Resolution 10-90°: 0.10° Accuracies include... 0-10°: ±0.05° 11-79°: ±0.2° 80-90°: ±0.1° Features include... Data Output: Yes Instant LCD Display of level, tilt, true vertical or any angle in between. Deviation from the true plane is measurable through full 360° (4 x 90°). Floating zero! Provides zero selection anywhere within its 360° range. Hold button freeze! Displays reading for convenient out of sight measurements. Reset plus Superset self-calibration modes. High-impact machined aluminum frame houses a rugged electronic sensor, custom circuitry and the liquid crystal display. Top plate has V-groove for accurate registration on curved or cylindrical surfaces. Tapped #6-32 holes in baseplate for special mountings. Operates on standard 9V Alkaline battery for up to 500 hours of operation. Battery included. Plastic case included. Low battery indicator. Automatic shutoff. For SPC output, use the following cable... # 50AAA983A