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Chapter 7
Meter Measurements
92
Orion Versa Star Pro Meter User Manual
Thermo Scientific
Measurement Read Types
Versa Star Pro meters have four options for the measurement read type – Auto-Read, Timed,
Single-Shot and Continuous. The read type determines how the meter takes a measurement
and when the measurement is sent to the data log and external device. The read type is set
individually for each channel and measure mode using the Mode setup menu described in each
module chapter –
Mode Menus for pH, mV, Relative mV, ORP and ISE
,
Mode Menus for
Conductivity, TDS, Salinity and Resistivity
and
Mode Menus for Dissolved Oxygen
.
1.
In the measurement mode, press the setup key.
2.
Press the
or
key to highlight a channel setup menu and press the f3 (Select) key.
3.
Press the
or
key to highlight Mode and press the f3 (Select) key.
4.
Press the
or
key to highlight the appropriate measure mode and press the f3
(Select) key. (Step not applicable for channels using the RDO/DO module)
5.
Press the
or
key to highlight Read Type and press the
or
key to highlight Auto-
Read, Timed, Single-Shot or Continuous as the read type.
a.
For Timed and Single-Shot, enter the time value using the
or
key to scroll to the
hours (HH), minutes (MM) or seconds (SS) field and the
or
key to increase or
decrease the value. Press the f1 (Done) key to confirm the value.
6.
Press the measure (esc) key to return to the measurement mode.
Auto-Read
When Auto-Read is selected as the read type, a measurement is initiated by pressing the
measure (esc) key in the measurement mode. The changing measurement value is shown as
it stabilizes and the AR icon will blink. Once the value is stable, the measurement is locked and
held on the display and the AR icon will remain solid. To start a new measurement, press the
measure (esc) key.
Depending on the meter communication settings in the
Instrument Settings
setup menu, the
locked measurement value will be exported to the data log, printer and/or computer.
Timed
When Timed is selected as the read type and a time interval is entered, measurements are
recorded at the predefined time intervals. The meter will continue to record measurements at
the predefined time intervals until the measurement mode is exited. Measurements are
continuously updated on the display and the Stabilizing and Ready icons specify the
measurement value stability.
Depending on the meter communication settings in the
Instrument Settings
setup menu, the
recorded measurement values will be exported to the data log, printer and/or computer.