PerkinElmer Photovac 2020 Manual page 87

Mode on page 62.
6. Reset the TWA accumulator, the STEL moving
average and the MAX. See STEL, TWA, MAX and
PEAK Operation on page 46.
You may want to delete all entries from the datalogger to avoid
confusion between different days' data and to avoid running out of
space in the datalogger. See Edit on page 57.
Detailed Operation
85