Bosch GIM 120 Professional Digital Inclinometer Spirit Level Longer length for maximum precision FEATURES Measures precise tilts in degrees, percent or millimetres/metres Direction arrows and audible signals at 0° and 90° for easy alignment Easy calibration function for sustained accuracy Slanted, easy-to-read display Two vials enable use as a spirit level Measured values automatically turn on the display when working overhead Audible signal at 0° and 90° Robust aluminium housing Comes complete with a protective bag for easy transportation and safe storage IP54 protection SPECIFICATION Length: 120 cm Measurement range: 0 – 360° (4 x 90°) Electronics measurement accuracy 0°/90°: ± 0.05° Electronics measuring accuracy at 1– 89°: ± 0.2° Measurement accuracy, vials: ± 0.057° = ± 1 mm/m Operating duration, inclination measurement, approx.: 200 h Weight, approx.: 1.3 kg Length: 1250 mm Width: 27 mm Height: 59 mm Units of measurement: °, %, mm/m Tripod thread: 1/4\"