DM-501A with 2-pin Lemo-connector for Temp.-probe,
Temp.-function needs adjustment,
DC, AC and Resistance seem okay.
P6601 has a range -62°C...+140°C
The TM-501 can be used with the cover removed
for repairs on plug-ins (access from the sides and top).
Asking 150,- Euro (plus 5,- shipping within germany, more elsewhere)