Adr_0
Gear Bod
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The mash is the important temperature, but you should make sure your wort flowing over the element doesn't get too hot. It will need to be hotter than the mash to raise the temperature of the mash though.
The outlet should be a good place for it as it's safest for wort enzymes and scorching prevention. As described above you should be able to set it to your mash temp with a decent recirculating flow, then watch the output on the PID display go down to 0-10% output. Measure the mash with your calibrated thermometer and hopefully it's close and then stop the flow.
The downside is that ramp control is counter-productive when you measure directly on the element so you shouldn't use it. You can impact your ramp time based on changing the recirculation rate: high flow = fast ramp if your element can keep up. You also can't directly see the mash temp as your probe is elsewhere.
I would probably start with a gain of 3-4 and an integral time of maybe 10s and see how you go. Auto tune if you wish.
The outlet should be a good place for it as it's safest for wort enzymes and scorching prevention. As described above you should be able to set it to your mash temp with a decent recirculating flow, then watch the output on the PID display go down to 0-10% output. Measure the mash with your calibrated thermometer and hopefully it's close and then stop the flow.
The downside is that ramp control is counter-productive when you measure directly on the element so you shouldn't use it. You can impact your ramp time based on changing the recirculation rate: high flow = fast ramp if your element can keep up. You also can't directly see the mash temp as your probe is elsewhere.
I would probably start with a gain of 3-4 and an integral time of maybe 10s and see how you go. Auto tune if you wish.