Set up the origin of the caliper after installing the battery. Remove the compartment lid and install SR 44 battery (Silver Oxide cell) with its positive side facing up as in the figure.Reset the locking screw to the unlock position if the locking screw tightens.īattery Installation and Origin (Zero points) setting:.Reading can be read in mm or inches as per the requirement of Measurement.6 and 7 to get the total reading of measurements. Add both readings obtained from points no.Read off the reading from the Vernier scale parallel with the reference line of the major scale.Read off the reading from the main scale to obtain a reading to the nearest millimeter.Remove the Dial Vernier Caliper from the object.Tighten the locking screw to hold reading when you have to remove the caliper before reading the note down.Hold the Dial Vernier Caliper in a vertical position as shown in Figure for measurements. Ensure the faces of both jaws are touching the step surface if not, it shall be in touch to get an accurate reading. Keep Dial Vernier Caliper on the start point of the object and move the slider up to the end.Step-measuring faces shall be used for the Measurement of steps in objects.Measurement of the diameter of the gasket using a digital caliper: Move the slider to allow sufficient space between measuring faces to accommodate the object to be measured. Outside measuring faces shall be used for the Measurement of outside dimensions.Outer (External) Dimensional Measurements: Keep the Dial Vernier Caliper at stable room temperature before starting the measuring process.
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