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Multi 340i
Setting the calibration
interval
4.5
Calibration intervals (Int 3, Int 4, Int 5)
For each measured variable, a time interval is stored. When it has ex-
pired, you will be reminded to calibrate. After a calibration interval has
expired, the probe symbol of the relevant measured variable flashes. It
is still possible to measure. By calibrating the relevant probe, the func-
tion is reset and the interval starts anew.
The following calibration intervals are set in the factory:
Measured parameter
pH/ORP
Dissolved oxygen
Conductivity
You can change each of these intervals (1 ... 999 days):
1
Switch off the measuring instrument.
2
Press the <M> key and hold it down.
3
Press the <ON/OFF> key.
The display test appears briefly on the display. After this, the
measuring instrument automatically switches over to configu-
ration.
4
Press the <RUN/ENTER> key repeatedly, until Int 3 ... 5 to-
gether with the required measured variable (pH, O
pears on the display. Example:
TDS UpH
O
n
t 4
1
S
1
d
1
Time
Baud
Day.Month No.
Year
Ident
Tref25 Tref20
AutoCal DIN
LoBat
nLF
Lin
Cal
AutoCal TEC
5
Set the required interval until the next calibration with <▲>
<▼>.
6
Confirm with <RUN/ENTER>.
7
Switch to the measuring mode with <M>.
Designation
Int 3
Int 4
Int 5
Sal
mV/pH
%
mg/l
m
S/
cm
mbar
M
cm
1/ cm
Sal
4
°
C
/
%
K
TP
°
F
Auto
Store
ARng
AR
RCL
Operation
Default setting
7 days
14 days
180 days
or
) ap-
2
41
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