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Industry Connecting
Society Through Excellance In Education
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Vernier Depth Gauge
The caliper is sometimes considered a modification of
the steel rule by jaws and a vernier scale. The depth gauge is
probably even closer to the steel rule than the caliper. This instrument consists
of a bar nearly identical to a steel rule and a vernier scale. The vernier scale
is slightly modified with a base to rest the depth gauge on the surface of the part
being measured. A similar instrument is the depth gauge with no vernier scale attachment.
Measurements are then made directly as they would be with a steel rule. The depth
gauge is placed on the part in such a manner so that one or both of the flanges
of the vernier base are setting completely flat on the part. The rule, or bar, is
then extended down to contact a lower surface. Fine adjustment is accomplished as
with a caliper—the instrument is held in place with one hand while the operator
clamps the fine adjustment screw and then adjusts the bar up or down so that the
vernier head and rule are both contacting their appropriate surfaces. The vernier
head is then clamped to maintain correct reading, and the instrument is extracted
from position and the measurement read. These instruments are also available with
digital electronic readouts.
Calibration procedure covering scope & limitation of method:
This calibration method is applicable for vernier depth gauge of range
0-300 mm.
a. Vernier Depth Gauge of L.C. 0.02 mm.
Range with reference standard equipment:
a. Depth micro Checker 0 – 300 mm.
No of Days in response: 48 days
Rates:
Service Request Form:
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