Hi,

I'm using my own software.
The data drift typically does not happen immediately after a restart, but once the system has been running for a while (days/weeks).

regards
Charly

Hi, Thanks for getting back to me. To answer your questions in order: The unit is connected using serial port. The thermistor is immersed in the water (its mounted in PVC conduit and sealed with waterproof mastic so that just the stainless steel probe is exposed to the water). Its fixed in position....

I use TH-03 to measure the temp of water as part of a heat pump management system. I've noticed that sometimes when I restart the system (it generally runs 24hrs a day, 7 days a week) TH-03 can return a different temp from when it was shutdown (seconds before). The body of water is around 51,000 lit...