An inclinometer is essentially an accelerometer that is limited to a range of ±1g. They are based on the simple trigonometric function that the force exerted on a sprung element varies with the angle between the orientation of the element and the force due to gravity by the sine of the angle. Since the sine function varies between 0 and 1, the force felt by an inclinometer will always be between 0 and 1g, which is output from the device as a voltage that can then be translated to an angular value. In analog devices, the voltage is fed directly to the output pins. In digital devices, this voltage converted to digital format through an A/D converter and is output as a digital word. The angle of inclination, denoted by the letter alpha, can then be calculated by the formula shown on this slide, where Vo is the voltage output from the inclinometer, and the offset and sensitivity are characteristic to the device. Murata’s inclination sensors are an optimum choice for high accuracy leveling and inclination measurement instruments. The highest accuracy is available with SCA103T series that uses differential measurement to compensate all common mode error and noise effects. In many cases the external A/D converter is the resolution limiting factor in SCA103T applications. Able to withstand 20,000g of mechanical shock, these devices provide trouble-free measurements in moving machines, vehicles, aircraft, construction machines, and hand-held devices.