Vernier height gauge- Micrometer - Inside micrometer

 Vernier height gauge- Micrometer - Inside micrometer

Height Gauge Applications are:


A height gauge is used for measuring the height of objects

Vernier height gauges are used in metrology and metalworking to detect or measure vertical distances.

The height gauges are often used to measure a granite surface or scribe part features from a datum plane.

To detect the measured feature, a scriber, test indication, touch probe, or CMM-style probe is often utilized.

Angles and flatness are measured with height gauges.

It's also used to check for item straightness, squareness, and perpendicularity of an object.


The micrometer is a precision measuring instrument, used by engineers. Each revolution of the rachet moves the spindle face 0.5mm towards the anvil face. The object to be measured is placed between the anvil face and the spindle face. The rachet is turned clockwise until the object is ‘trapped’ between these two surfaces and the rachet makes a ‘clicking’ noise. This means that the rachet cannot be tightened any more and the measurement can be read.


EXAMPLE MEASURE READINGS
   
Using the first example seen below:
1. Read the scale on the sleeve. The example clearly shows12 mm divisions.

2. Still reading the scale on the sleeve, a further ½ mm (0.5) measurement can be seen on the bottom half of the scale. The measurement now reads 12.5mm.

3. Finally, the thimble scale shows 16 full divisions (these are hundredths of a mm).

The final measurement is 12.5mm + 0.16mm = 12.66











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