Touch probing vs Scan probing

There is several small and major differences between the two. I believe the analog heads are superior in almost every way, especially for doing basic touch probing:

Your prehit and retract can now be as small as .025 and maintain consistent and accurate data (for TTP minimum recommended is .06)

You can take a hit by travelling in the Z+ direction

Incorporating multiple tips in a routing is easier and faster, as well as incorporating a probe tip changer.

Hits taken when probing are slightly more accurate than a typical TP20, because instead of taking a hit when the probe makes contact with the part, the probe hits the part, reaches its upper force limit, and then records a few hits while pulling away from the part surface, recording the best one.

Analog probes are not sensitive to magnetism. TP20 modules can easily be rendered useless by a powerful magnet.

In terms of actually scanning, I recommend you use it only when you deem it necessary.

It's super helpful when reporting a the profile of a line or surface, as well as the shape of a hole or generally finding error in the shape of anything.

However: It will wear tips more aggressively than traditional touch probing. Scanning aluminum with a ruby tip is NOT recommended as it will rapidly degrade the ruby tip. If you are scanning aluminum use a silicon nitride tip.

edit: spelling

There is several small and major differences between the two. I believe the analog heads are superior in almost every way, especially for doing basic touch probing:

Your prehit and retract can now be as small as .025 and maintain consistent and accurate data (for TTP minimum recommended is .06)

You can take a hit by travelling in the Z+ direction

Incorporating multiple tips in a routing is easier and faster, as well as incorporating a probe tip changer.

Hits taken when probing are slightly more accurate than a typical TP20, because instead of taking a hit when the probe makes contact with the part, the probe hits the part, reaches its upper force limit, and then records a few hits while pulling away from the part surface, recording the best one.

Analog probes are not sensitive to magnetism. TP20 modules can easily be rendered useless by a powerful magnet.

In terms of actually scanning, I recommend you use it only when you deem it necessary.

It's super helpful when reporting a the profile of a line or surface, as well as the shape of a hole or generally finding error in the shape of anything.

However: It will wear tips more aggressively than traditional touch probing. Scanning aluminum with a ruby tip is NOT recommended as it will rapidly degrade the ruby tip. If you are scanning aluminum use a silicon nitride tip.

edit: spelling

Thanks, I appreciate your time and comments. 

Great summary

We only have Analog Probes here and I would always recommend them over TouchTrigger Probes.
But one thing to keep in mind is that TouchTrigger Probes take singular hits (not scanning) a lot faster than Analog Probes.

Yes, although there is a "fast probing" option that can be toggled on for analog probes that makes them the same speed. It just sacrifices the accuracy you gain by taking hits the same way a touch trigger probe would.