... such as Pile Driver, Hoisting machine.It consists of three parts, sensor, display and loudspeaker. It features high ... it can alarm both by indicators or buzzer. If other interface, please custom in advance.Technical datasMeasuring range: +/-10 ... Angle measuring,leveling adjustment,zero setting. Alarm or control and grapher for posture clinometer, inclinomter system,gradient meter used in Pile driver