wtw pH 171 2K, Operating Manual

Page: 136 / 160

Queries / Settings
140
Time max. value (on the left): e.g. 12:12
Time min. value (on the right): e.g. 22:48
Maximum (big indication): e.g. 6.26 pH
(or with Redox = mV).
Minimum (small indication): e.g. 3.17 pH
(or with Redox = mV).
With to the previous day etc. up to the
3rd previous day.
With or
M
go back to the measuring mode or
with to CAL DATA (calibration data).
Daily minimum and maximum values / 2 channel instrument
The 2 channel instrument displays - depending on the configuration selected - the
minimum/maximum pH values with the corresponding times of both channels (parallel operation)
or of channel A only (difference operation).
The instrument stores the extreme values of three previous days. The values are displayed
corresponding to their form in the measuring mode with the current dimension (pH unit or mV).
Starting menu "DAY MIN/MAX".
With enter menu "DAY MIN/MAX".
Extreme values of the current day for
channel A.
With display extreme values.
Time max. value (on the left): e. g. 12:12
Time min. value (on the right): e. g. 22:48
Maximum (big indication): e.g. 6.26 pH
(or with Redox = mV).
Minimum (small indication): e.g. 3.17 pH
(or with Redox = mV).
With select extreme values for channel B.