sniffer xr71

[delisinyor3]

What is the point I marked in red on the sniffer xr71 circuit? What is its component? What is its purpose?

https://hizliresim.com/6el5stc


https://hizliresim.com/17ylyq3

[ivconic]

I don't know that version of the pcb, but I think it's about the "moving coil - scale"... you may or may not connect it.

[kt315]

What is its purpose?

intensivity meter

[jakob leo]

Vumetre

[kt315]

oh... standupping of good topic is welcomed... i have last board for myself but ready to sell for firemission.

[55323352]

Kt35
What is the actual detection depth in meters?
How deep can it detect a 30 cm metal object?

[kt315]

in a video
https://www.youtube.com/shorts/HOFLtavi7Hs