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DIN 32876 P r obes with a x ial moveme n t , Ø 8 mm
Part 1
Nickel-plated GT 41 / GT 42 Miniature Probes, ± 0,3 mm,
housing. Stainless 0,7 mm Bolt Travel
steel measuring
bolt, hardened. Compact probes for use in small spaces – Designed to be mounted on
Sealing bellows: a measuring head for the inspection of bores and similar features.
Nitrile = resistant
elastomer. Viton R 0,75 ø 8h6
= highly resistant 4
fluoroelastomer. 34
Fixing shank 47
Ø 8 mm. Ball-bea-
ring measuring bolt. -0,3 +0,4
Both lower and up- 0
per stops are fixed. GT 41
Interchangeable GT 42 GT 41
insert. M2,5 thread.
Carbide ball tip 36
Ø 3 mm. 2 m long
cable. 5-pin DIN R 0,75 ø 8h6
45322 connector. ø 9,6
Supply frequency: 19
13 kHz (± 5 %) Max. 4 19
mechanical fre-
quency** 60 Hz. -0,3 +0,4
0,1 μm/°C 0

20 ± 0,5°C GT 42

Level of protection:
IP65 (IEC 60529)

Mobile weight: 2 g
Inspection report
with a declaration of
conformity

03230001 GT 41 Measuring Nominal mea- Bolt retraction Sealing
03230002 GT 42 range, mm suring force*, N bellows
± 0,3 0,63 None Nitrile
± 0,3 0,63 Vacuum Nitrile

Measuring Max. permissible Repeata- Hysteresis, Setting of lower Cable output Data sheet
bolt travel, error for deviations bilty, μm μm stop of meauring No.
mm in linearity, μm Axial
0,7 (L en mm) bolt***, mm Radial 03200258
0,7 03200259
GT 41 0,2 + 5· L2 0,01 0,01 Fixed stops: lower
GT 42 -0,3 upper +0,4
0,2 + 5· L2 0,01
0,01 Fixed stops: lower
-0,3 upper +0,4

* Electrical zero (N) ± 25 % deviation limit. Valid in vertical mounting position, measuring bolt lowered and in static measuring.
** For an amplitude of 10 % to the last value of the measuring range.
*** Distance from electrical zero.

O-37