Thanks for your reply,

actually i have made mistake in spreadsheet setting (select parameter), here i have selected only 12 points.

now i have selected 15 points and working good,

once again thanks for your support

iam using 2 no of TC-08 USB loger for TUS (Temperature uniformity), i required 15 inputs and i conected 15 thermocouple with 2 no of TC-08 USB. 15 data (reading) i can see in the PLW recorder, but in view spreadsheet i can able to see only 12 reading. what is the problem and how i can get 15 datas f...