Xylem MULTI 1970I PORTABLE MULTIPARAMETER METERS - Manual (Page 39)

Multi 1970i Operation
37
Temperature
compensation
The nonlinear temperature compensation is set fixed and is shown on
the display by nLF.
Reference temperature,
Tref
The reference temperature (Tref) can be switched between 20 °C and
25 °C. It appears on the display as Tref20 or Tref25. To switch over the
reference temperature, see S
WITCHING OVER THE REFERENCE TEMPERA -
TURE , page 60.
Checking the
cell constant
1 Press the key repeatedly until CAL disp appears on the
display.
2 Press the repeatedly until the last calibrated
cell constant is displayed, e. g. 0.472 1/cm.
3 To return to the measuring mode: Press the key when the
correct cell constant is displayed.
4 If you want to recalibrate the cell constant, proceed according
to section 4.5.5 D
ETERMINING THE CELL CONSTANT (C ALIBRATION
IN THE CONTROL STANDARD ) .
Sal
mg/ l
ARng
O
TP
Oxi Cal AR
°
C
S
Year Ident
No. Day.Month
Tref25 Tref20
LoBat Lin nLF
Sal
pH
C
TEC
Auto Store
Time Baud cm 1/
K / %
REL2
pH / mV
m cm S/
%
C
I S P
A L
REL1
d
RCL
REL1
L C
Sal
mg/ l
ARng
O
TP
Oxi AR
°
C
S
Year Ident
No. Day.Month
Tref20
LoBat Lin nLF
Sal
pH
C
TEC
Auto Store
Time Baud
K / %
REL2
pH / mV
m cm S/
%
4 7 5
C
0
RCL Cal
Tref25
cm 1/