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M eas u r i n g I n str u me n ts for L ar g e D i me n s i o n s DIN 863 T4
(Style B)
TESA UNIMASTER Universal Measuring Instrument
Micrometer:
TESA UNIMASTER Universal Measuring Instrument provides the features neces- 25 mm
sary for direct measurement of specially large internal and external dimensions.
TESA UNIMASTER is similar to internal micrometers with two-point contact with Dial test indicator:
the workpiece being measured. Measures any dimension within the extended ap- ± 0,4 mm
plication range diretly by simply adding the needed extensions with built-in gauge Micrometer and
blocks to the measuring element. dial test indicator:
Accurate, robust and easy-to-handle – Can be used either vertically or horizontally 0,01 mm
with a constant measuring force – Incorporates a lever-type dial test indicator
that clearly shows the culmination point – Ensures stable measuring owing to 5 μm
both a negligible deflection and thermal protection on each extension.
One spherical and
one flat measuring
faces

1 mm

Tungsten carbide
tipped
15 to 20 N
measuring force
reversible between
internal and exter-
nal directions
Measuring bolts
supplied in pairs:
• No. 01110203 for
internal measuring
in the micrometer
axis.
• No. 01110205 for
internal/external
measuring, meas.
depth up to
60 mm from the
lower edge of the
micrometer.
• No. 01110208,
extra-rigid for ex-
ternal measuring,
meas. depth up to
75 mm from the
lower edge of the
micrometer.
Extension: 38 mm
dia. diamter steel
tube with snap ring
system. Built-in
gauge rod.
Mobile ball-bearing
anvil under spring
pressure.

Wooden case

Measuring element
and setting
standard with
identification
number
Calibration
certificate:
• per setting
standard
• per measuring
element
• per extension

E-4