Features Series TECH 196 - Extra stiff aluminium rectangular profile with reinforcing ribs. Completely washable. Dust and water-proof in accordance with IP 65. Two digital displays optimally readable in any situation of use. illuminated at the touch of a button. Audible target guide with three different signals. High level of measuring accuracy. In normal and reverse position 0.5 mm/m. Two milled measuring surfaces. Instant measurement determination. A battery life of about 150 hours. Digital displays that can be read easily regardless of application conditions and illuminated at the touch of a button Digital display rotates in reverse position Electronic spirit level with an ultra-rigid aluminium rectangular profile and two integrated electronic modules for the instantaneous measurement of inclinations& slopes and angles Protection class IP 65 Includes bag for secure transport Accuracy in normal position / 0.029° = 0.5 mm/m Accuracy in reverse position / 0.029° = 0.5 mm/m Accuracy with electronic inclination measurement / at 0° and 90° = ± 0.05°, from 1° to 89° = ± 0.2° Measuring surfaces / 2 x Vial type / 1 x horizontal Vial type / 2 x vertical End caps / Removeable, Anti-slip stopper, Shock absorbers Display modes / °, %, mm/m, in/ft decimal and as fraction Length / 61 cm