Thermo Scientific Orion 320, User Manual

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2-2 Thermo Scientific Orion 320, 350 and 370 PerpHecT
®
LogR
®
Meter User Guide
setup .– Indicates that the meter is in the setup menu, which is used to
define or view meter operating parameters .
LogR .– Indicates that the meter is in the LogR temperature measurement
or calibration mode . Automatic temperature compensation is activated
in the meter setup menu and achieved through the pH electrode . LogR
function is active when the LogR icon appears in the display .
ATC .– Indicates that an ATC probe is connected to the meter and
operational . Manual temperature compensation is activated when the ATC
and LogR symbols are not displayed .
°C .– The ATC icon in the upper display is lit when temperature
is measured with an ATC probe . The LogR icon is lit when LogR
temperature measurement is activated . If neither is on, manual temperature
setting is active .
ready .– Displayed when the electrode signal has stabilized (pH, conc, rel
mV, mV and °C) and when the calibration standard input has stabilized .
The 320 meter has a six button keypad that is used to control all
meter functions .
Key Function
mode Press to select the measurement mode. Used to initiate LogR
temperature calibration when LogR function is enabled.
yes/res Press to accept settings, calibration points or to change display
resolution.
scroll (
▲ ▼
) Press to change a setup parameter. Also used in the
measurement mode to scroll manual temperature settings.
cal Press to initiate pH calibration.
setup Press to enter setup menu. Setup menu is entered to change
meter operating parameters and to enter manual calibration
buffer values.
Meter Display Icons
320 Meter Keypad