Sure Action Inc's P5050 standard probe is their most long standing probe. Manufactured since 1989, this probe signal is strong enough to generate a pulse that can be picked up by the processor even if the wire has been spliced. In addition, the probe can be up to 1 mile away from the processor.
Key Benefits
Can us the SU111 Processor (can handle one probe) or the SU313 Processor (can handle up to 3 probes).