The table below provides specification details for specialised products currently available for the MK IV ACPD instrument.
| Standard ACPD Probes | ||
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"Ideal for crack sizing and crack profiling." Current input and voltage measurement functions are separate producing more uniform electric field (and more accurate sizing). See MK IV Accessories for spot welded pin monitoring. |
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| Description | Notes | Dimensions |
| ACPD 10mm spacing | Standard probe | Dimensions |
| ACPD 10mm spacing | With integral switch | |
| ACPD 10mm spacing | Underwater probe | |
| ACPD 10mm spacing | 20m cable | |
| ACPD 5mm spacing | Standard probe | |
| ACPD 20mm spacing | Standard probe | |
| ACPD thread | Can be made to any thread form | |
| ACPD corner spacing | Designed for internal right angles | |
| ACPD 2.5mm spacing | Standard probe | |
| Sealed ACPD Probes | ||
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"Ideal for on-site crack monitoring." Current input and voltage measurement pins are in the same housing. Magnets attach the probe to the measurement site and an o-ring seal prevents surface oxidation. |
|
 Description |
Notes | Dimensions |
| ACPD 10mm Sealed | Sealed probe with magnetic attachment | Dimensions |
