Flaw Detectors

Rotating Scanner Probes

Rotating Scanner Probe

Bolt Hole Probes for Olympus Rotating Scanners

Rotating scanner probes are used with mechanical devices for automatically rotating the probe in the hole. Probes utilize reflection differential coils with operating frequencies of 100 kHz to 2 MHz are typical. They bear close tolerances and are highly reliable.

Fischer Connector LEMO Connector
SPO-5965*SUB Series*SPO-3564**
Range of Hole Size
mm (in.)
Part NumberItem NumberPart NumberItem NumberWorking Length
mm (in.)
Part NumberItem NumberWorking Length
mm (in.)
3.2 to 3.9 (0.125 to 0.156) 9230531 U8610280 SUB-8-10 U8600494 44.0 (1.75) 9230784 U8614109 28.0 (1.10)
3.9 to 4.7 (0.156 to 0.187) 9230061 U8610267 SUB-10-12 U8600481 44.0 (1.75) 9230078 U8614059 28.0 (1.10)
4.7 to 5.5 (0.187 to 0.218) 9219979 U8610231 SUB12-14 U8600482 44.0 (1.75) 9217153 U8614091 28.0 (1.10)
5.5 to 6.5 (0.218 to 0.250) 9219980 U8610232 SUB-14-16 U8600483 50.8 (2.00) 9217154 U8614092 28.0 (1.10)
6.5 to 7.1 (0.250 to 0.281) 9219981 U8610233 SUB-16-18 U8600484 50.8 (2.00) 9217155 U8614093 28.0 (1.10)
7.1 to 7.9 (0.281 to 0.312) 9219982 U8610234 SUB-18-20 U8600485 50.8 (2.00) 9217156 U8614094 38.0 (1.50)
7.9 to 9.5 (0.312 to 0.375) 9219983 U8610235 SUB-20-24 U8600486 50.8 (2.00) 9217157 U8614095 38.0 (1.50)
9.5 to 11.0 (0.375 to 0.437) 9219978 U8610230 SUB-24-28 U8600487 50.8 (2.00) 9217158 U8614096 38.0 (1.50)
11.0 to 12.7 (0.437 to 0.500) 9219984 U8610236 SUB-28-32 U8600488 50.8 (2.00) 9217159 U8614097 38.0 (1.50)
12.7 to 14.3 (0.500 to 0.562) 9219985 U8610237 SUB-32-36 U8600489 50.8 (2.00) 9217160 U8614098 38.0 (1.50)
14.3 to 15.9 (0.562 to 0.625) 9230156 U8610252 SUB-36-40 U8600490 50.8 (2.00) 9218785 U8614099 38.0 (1.50)
15.9 to 17.4 (0.625 to 0.687) 9230157 U8610253 SUB-40-44 U8600491 50.8 (2.00) 9218786 U8614100 38.0 (1.50)
17.4 to 19.0 (0.687 to 0.750) 9230158 U8610254 SUB-44-48 U8600492 50.8 (2.00) 9218787 U8614101 38.0 (1.50)
* For use with MiniMite Fischer, Spitfire, and other "Universal" scanners.
** For use with MiniMite LEMO, RA19, and RA2000 scanners.

Rotating scanner probes are available in a variety of diameters and styles to work with Olympus rotating scanners. The SPO-5965 and SUB series probes are fitted with a 4-pin Fischer connector while the SPO-3564 series incorporate the 4-pin LEMO connector style.

The probes listed on this page are designed to be rugged and are nearly indestructible when dropped or expanded. Their probe tips have flexible plastics tips that automatically compress to their original size after being expanded to fit inside larger bolt holes (see chart below for hole size ranges). The benefit of these flexible tips is that no additional manual adjustment has to be made to the probe after a bolt hole has been reamed to a larger diameter.

Rotating scanner probes use a reflection differential type coil operating in the 200 kHz to 3 MHz range. They are suitable for aluminum structures as well as low conductivity materials.

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