@bannonb, if my understanding is correct, the 16s is not compatible with pt100, only NTC.
Normally, the connector you would want is this - https://www.amazon.com/gp/product/B06WRRGYMM/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
However I have not been able to get it to work with either of...