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DIN 32876 P r obes with a x ial moveme n t , Ø 8 mm
Part 1
Nickel-plated hou- GT 21 HP High Precision Probes, ± 0,2 mm, 4,3 mm Travel
sing. Stainless steel
measuring bolt, –– Universal probe for common and continuous use applications.
hardened. Nitrile –– Very high precision probe suited for the measurement of gauge blocks.
sealing bellow = –– 8 mm diameter probe housing. Can be clamped over its entire length.
resistant elastomer –– Measuring bolt mounted on a ball bearing.
Fixing shank –– Both the probe housing and ball-bearing guide are separate from one
Ø 8 mm. Measuring
bolt guided on another, so that the measuring bolt moves easily even if the probe is not
ball-bearing. clamped appropriately.
Distance from elec- –– Level of protection IP65 according to IEC 60529.
trical zero of both –– Wide range of accessories including measuring inserts, spring sets, etc.
stops is either ad- –– LVDT probes compatible with measuring equipment from other makers
justable (downward) available on request.
or depending on
the position of the R 1,5 ø 8h6 92
lower stop (upward). 20,5 61,5
Interchangeable 98
inserts. M2,5 thread. -1,2 +3
Carbide ball tip 0 ø3
Ø 3 mm. 2 m long GT 21 HP 99
cable. 5-pin DIN GT 21 HP
45322 connector. GT21
Supply frequency:
13 kHz (± 5 %) Max. Measuring Measuring force, Bolt retraction Sealing
mechanical fre- range, mm nominal*, N bellows
quency** 60 Hz. ± 0,2
0,15 μm/°C 03230036 GT 21 HP 0,63 Mechanical Nitrile

20 ± 0,5°C

Protection level IP65
(IEC 60529)

Mobile weight: 6 g
Inspection report
with a declaration of
conformity

Measuring Max. permissible Repeata- Hysteresis, Setting of lower Cable output Data Sheet
bolt travel, error for deviations bility, μm μm stop of measuring No.
mm in linearity, μm 03200264
GT 21 HP 4,3 (L in mm) bolt***, mm
(factory setting)
07 + 0,4 · L 0,01 0,01 -2,2 to +0,1 (facto- Axial
ry setting -1,2)

* 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-21