Xylem ProLab 1000 BENCH TOP pH METER - Manual (Page 35)

ProLab 1000 Operation
35 ba75576e04 01/2011
Criteria With identical measurement conditions, the following applies:
4 Using <SC> or <MODE>, release the frozen measured value.
The [SC] status display disappears. The display switches to the
previous indication.
Measured
parameter Reproducibility Response time
pH value Better than 0.01 > 15 seconds