Xylem PH3210 FIELD PH METER - Manual (Page 31)

pH 3210 Operation
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prematurely terminated, the current measurement data are not output
to the interface.
Criteria for a stable
measured value
The Stability control function checks whether the measured values are
stable within the monitored time interval.
The minimum duration until a measured value is assessed as stable is
the monitored time interval. The actual duration is mostly longer.
3 Release the frozen measured value again with <AR> or <M>.
The [AR] status display disappears. The display switches back
to the previous representation.
Measured
parameter Time interval Stability in the time
interval
ORP 15 seconds
Δ
mV: better than 0.3