Rotating Scanner Probes

Thickness and Flaw Inspection Solutions

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.

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.

Part numbers

Fischer Connector

LEMO Connector

SPO-5965*

SUB Series*

SPO-3564**

Range of Hole Size
mm (in.)

Part Number

Item Number

Part Number

Item Number

Working Length
mm (in.)

Part Number

Item Number

Working 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.

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