Once the distance is calculated, a ‘height’ button appears on the screen, which should be pressed to begin determining the height of the object. Point the camera in the direction of the object from which you are trying to measure distance, set the crosshairs along the bottom and bring the spirit bubble to the centre. This tool takes a little practice before you can comfortably use it. The maximum measurable distance is 30.48 metres (100 feet). It also measures the height and width of the object. This tool measures distance from an object in terms of metres or feet. Zero calibration can be done in one touch and you can switch between tools easily using a menu that pulls up. Place a screw adjacent to the many markings on the thread pitch gauge to determine the pitch of the screw. Keep the phone on a surface and the level gauge will indicate its flatness in terms of roll and pitch over a pair of cross hairs. In case you are measuring the angles at night, you can switch the colour of the protractor visible on the screen to white. Choose Protractor III and set the guidelines (which, by the way, should tell you that the tower is inclined at 3.9 degrees with respect to the vertical). To measure the angle of a real-world, fixed object against which you can’t hold your phone (like the Leaning Tower of Pisa), point your camera in its direction. To measure slope, hold the phone along the incline. To measure an angle, hold the screen along the horizontal of Protractor I and drag the guideline until you reach the object.
You can use two guidelines like a pair of callipers. You have to divide the length into many parts and moving the virtual ruler across the screen upsets the position of the guideline. Measuring the length of an object greater than that of the screen is tedious. The ruler measures the length of any object placed along the length of the screen. This app consists of six tools – a ruler, three protractors, spirit level and a thread pitch gauge.
SMART TOOL KIT FREE
The free versions of the standalone apps come with ads and fewer features. It was among the apps put up for this year's Google Play sale. Smart Tools is one of the top selling apps on Google Play.
SMART TOOL KIT PRO
For those who do not need all of them, each tool (named Smart Ruler Pro, Sound Meter Pro etc) is available as a standalone app for Rs 50 a piece. Smart Tools Pro is a suite of tools consisting of a ruler, callipers, three types of protractors, spirit level, tape measure, distance meter, compass, magnetometer, flashlight, magnifier, decibel meter, and a contact vibrometer.
SMART TOOL KIT ANDROID
If you have an Android phone with stunning sensors, Smart Tools Pro is an app that makes the most of them. Mobile apps have been doubling up as testing and measurement (T & M) tools. Since a couple of years, engineering apps have been making their way to app stores.
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