Calibration of the Dial Vernier Caliper shall be done from External NABL Approved Laboratory.If the error in the Figure left appears, reset the origin point.Remove the battery once and set it again.Same numbers for all five digits or flashing “H”: Appears when the battery voltage is low.If the “E” indicator persists after reinstalling the batteries, remove the batteries and report to the maintenance department. Reinstall the battery when the “E” indicator stays on after the scale cover surface is wiped off.It appears that the scale surface is too contaminated to count.Vernier Caliper Error symptoms and Remedies: When the battery is set, first press the ORIGIN switch and do not move the slider (on the reverse side) until the original value is fixed.The “0.00” display (mm model) or the “0.0000” display (inch model) appears, indicating the origin (zero pints) setting is complete.Close the jaws and hold down the ORIGIN switch for more than one second. Upon installation of the battery, the “…….” indicator will blink on display.Reset the locking screw to the unlock position if the locking screw tightens.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. Clean the surface in-between measuring faces and then put them into a box.Wipe off dust, cutting chips, and moisture from the instrument after use.Clean the external surface with the help of a lint-free dry cloth.
Clamp Screw (Locking Screw): A device to lock the slider in its exact position allowing correct readings to be taken without altering the distance between the two measuring faces, thus retaining perfect alignment.Inside measuring faces: Faces are used to measure internal dimensions.Step Measuring Faces: Face to be used for Measurement of step dimensions.Outside Measuring Faces: Used to measure the external dimensions of an object.
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