
Spot probes are used for discovering flaws both on and below surfaces. Available in a broad frequency range, their diameters are usually large for accommodating lower frequencies or scanning large areas. Because spot probes contain larger coil diameters the detectable flaw size also increases and is typically limited to ½ the probe diameter.
Detachable surface probes are available in a variety of diameters and frequency ranges. They are shielded to provide maximum sensitivity and are used for crack detection, thickness measurement, conductivity, and coating thickness measurements. These probes include a Fischer/LEMO triax or 7-pin LEMO PowerLink quick release connector.
Corrosion probes (SPO-532x series) are specifically balanced to find loss of material in aluminum structures and are configured with reflection absolute coils.
| Triax Fischer/LEMO Connector |
PowerLink Connector
(7-pin LEMO) | ||||
| Frequency Range | Part Number | Item Number | Part Number | Item Number | Diameter
mm (in.) |
| Standard Bridge | |||||
| 5 kHz to 100 kHz | 9213546 | U8623001 | 9222196 | U8626007 | 6.3 (0.25) |
| 100 kHz to 500 kHz | 9216541 | U8623011 | 9222308 | U8623194 | 6.3 (0.25) |
| 1 kHz to 50 kHz | 9213012 | U8630003 | 9222161 | U8626004 | 7.9 (0.31) |
| 500 Hz to 40 kHz | 9213547 | U8623002 | 9222456 | U8626012 | 11.2 (0.44) |
| 400 Hz to 30 kHz | 9219548 | U8629536 | 9222457 | U8629298 | 12.7 (0.50) |
| 300 Hz to 10 kHz | 9213011 | U8630002 | 9222193 | U8626006 | 15.7 (0.62) |
| 100 Hz to 2 kHz | 9213549 | U8623004 | 9222192 | U8626005 | 19.0 (0.75) |
| Standard Reflection | |||||
| 2 kHz to 200 kHz | 9213550 | U8623005 | 9222201 | U8626011 | 6.3 (0.25) |
| 700 Hz to 80 kHz | 9213551 | U8623006 | 9222200 | U8626010 | 7.9 (0.31) |
| 400 Hz to 60 kHz | 9213552 | U8623007 | 9222199 | U8626009 | 11.2 (0.44) |
| 300 Hz to 40 kHz | 9213553 | U8623008 | 9222198 | U8626008 | 12.7 (0.50) |
| 100 Hz to 20 kHz | 9213554 | U8623009 | 9222160 | U8626003 | 15.7 (0.62) |
| 100 Hz to 5 kHz | 9213555 | U8623010 | 9222458 | U8626013 | 19.0 (0.75) |
| Corrosion Probes | |||||
| 2 kHz to 200 kHz | 9218204 | U8629537 | 9230395 | U8629538 | 6.3 (0.25) |
| 700 Hz to 80 kHz | 9217896 | U8633004 | 9222343 | U8633012 | 7.9 (0.31) |
| 500 Hz to 60 kHz | 9218108 | U8633005 | 9230403 | U8629157 | 11.2 (0.44) |
| 300 Hz to 40 kHz | 9218203 | U8629128 | 9230404 | U8633001 | 12.7 (0.50) |
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