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6. Description of Parts
MAN
ZERO SPAN
AUTO
°
C
ALM
SET
PB
spm
pH
Hi
Lo
START
S T O P
F U N C
START
S T O P
F U N C
Unit display
Remains lit while the temperature
display is selected. This display is
not provided on the "OR" model.
Display panel
Set values and error
messages are displayed.
ALM display
Remains lit if the measured value
exceeds the upper or lower limit value.
Unit display
Remains lit when stroke rate display is
selected. Flashes if the stroke rate has
reached the upper limit value.
Unit display
Remains lit when the measured
value or parameter is displayed.
Displays "mV" for an OR type
and "mS/cm" for a CD type.
Hi display
Flashes if the measured value exceeds
the upper limit value. Remains lit when
the parameter is displayed.
Lo display
Flashes if the measured value exceeds
the lower limit value. Remains lit when
the parameter is displayed.
Function key
Pressed to determine a set value or
store a value. Also used in multiple-key
operation in combination with another
key for other selection purpose.
PB display
Remains lit when proportional
band value is selected for
parameter display.
Operation mode display
Remains lit when automatic
operation mode (AUTO) is selected.
Flashes during automatic operation.
Operation mode display
Remains lit when manual
operation mode (MAN) is selected.
Flashes during manual operation.
ZERO display
Remains lit when the calibration
set value is selected for
parameter display.
ON lamp
Remains lit while power is supplied.
Flashes in synchronization with the
pump stroke.
SPAN display
Remains lit when the calibration
set value is selected for
parameter display.
START/STOP key
Pressed to start or stop
pump operation.
Shift key
Pressed to move to the next
rightward digit for value setting. Also
used in multiple-key operation in
combination with the function key for
the selection of an operation mode.
SET display
Remains lit when the SET value
is selected for parameter display.
Also remains lit when any other
set value is displayed.
ZERO is not provided on the CD type, which employs CELL instead. SPAN is not provided on the OR type and the CD type. The CD type
employs % instead. For detailed operation procedures for these parameters, refer to the "Operation" section.
"Multiple-key operation" means that the particular key is pressed with another key simultaneously. In this unit, the function key and another key
are pressed simultaneously.
The operation surface of the control unit is covered with protective film for shipment. Remove this film before using the control unit.
UP key
Calls up the set value while a parameter is
displayed. Increases the value of the flashing digit
when a value is to be set. Used also in multiple-
key operation in combination with the function key
for the selection of the display content.
Control unit
Stroke rate adjusting dial
Drivel unit
Pump unit
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Names of Parts
■
Control unit
