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P r obes with a x ial moveme n t , Ø 8 mm

DIN 32876 Pneumatic Probes ± 5 mm, 10,3 mm Bolt Travel,
Part 1 Long Travel
Nickel-plated
housing. Stainless These probes are designed for use with measuring fixtures and machines with
steel measuring integrated automatic or semi-automatic measuring routines.
bolt, hardened. Viton –– Probes with long measuring travel and low resolution of values
sealing bellows =
highly resistant 8 mm dia. fixing shank.
fluoroelastomer –– Suitable for multi-gauging inspection fixtures.
Fixing shank –– Protection level IP65 ou IP50 as per IEC 60529.
Ø 8 mm. Measuring –– Wide range of accessories including measuring inserts, etc.
bolt guided on –– LVDT probes compatible with measuring equipment from other suppliers
ball-bearing.
Distance from elec- available on request.
trical zero of both
stops is either ad- 110,7 5 110,7 5
justable (downward) 67,2 81 9 8 67,2 81 9 8
or depending on 29,5 ø 8h6 29,5
the position of the ø 9,6
lower stop (upward). R 1,5 R 1,5
Interchangeable ø3
inserts. M2,5 thread. 19 ø3
Carbide ball tip ø 8h6 127.5
Ø 3 mm. 2 m long
cable. 5-pin DIN ø 9,6 GT 612-A
45322 connector. ø3
Supply frequency: 19
13 kHz (± 5 %) Max. GT 622 ø3
mechanical fre- 127.5
quency** 60 Hz. -5 +5 GT 622 -5 +5 GT 622-A
0 GT 612 0
0,09 μm/°C
GT 622 / GT 612 GT 622-A / GT 612-A

20 ± 0,5°C GT 622-A GT 612 GT 612-A

Protection level:
IP65 (IEC 60529),

Mobile weight: 8 g 03230062 GT 612 Measuring Measuring Bolt retraction Sealing Nominal/
Inspection report 03230055 GT 622 range, mm force, bellows Maximal
with a declaration of 03230070 GT 612-A ±5 nominal*, N pressure, bar
conformity 03230071 GT 622-A ±5 2,0 Pressure (bolt activation), Viton 1,1 / max 1,5
±5
±5 spring (bolt retraction) Viton 1,1 / max 1,5
2,0 Pressure (bolt activation),
Without 1,0 / max 6,0
spring (bolt retraction) bellows
1,0 Pressure (bolt activation), Without 1,0 / max 6,0
bellows
spring (bolt retraction)
1,0 Pressure (bolt activation),

spring (bolt retraction)

Measuring Max. permissible error Repeatability, Hysteresis, Cable output Data sheet No.
bolt travel, for deviations in μm μm
GT 612 mm linearity, μm (L in mm) 0,05 0,05 Axial 03200415
GT 622 10,3 1+4·L 0,05 0,05 Radial 03200394
GT 612-A (BPX: 0,6 + 0,8· L) 0,05 0,05 Axial 03200433
GT 622-A 10,3 1+4·L 0,05 0,05 Radial 03200434
(BPX: 0,6 + 0,8· L)
10,3 1+4·L
(BPX: 0,6 + 0,8· L)
10,3 1+4·L
(BPX: 0,6 + 0,8· L)

* 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.

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