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18
4 CALIBRATION MODE
You can press
once under measurement mode and then input password 28 to get access to
calibration mode. Please operate according to following squares.
4.1
ENTERING CALIBRATION MODE
000
SE T
028
S ET
CA
CAL
HO LD
CA L
HO LD
mV
k =
C AL
HO LD
7.00
CAL
HO LD
4.00
CA L
HOLD
7.00
CAL
HO LD
mV
k=
CA
CAL
HO LD
CA
CAL
HO LD
CA
CAL
HO LD
MEA
4.00
PH
S PI
ATC
mA
250
C
S P2
8.58
MO D
MEA
7.00
PH
S P I
ATC
mA
C
S P2
I2.00 25.0
4.00
05 9.0
05 9.0
7.00
7.0 0
PH
PH
Pu t the sens or in to pH 7.00 buffer
af ter, d ispla y valus s table met er
au tomatic lo ck t he value 5 sec on ds
lat er
P ut th e se nsor into pH 4 .00 b uffer
after, disp lay valu s stab le m eter
a utom atic lock the valu e 5 s econ ds
l ater
done
ES C
ENT
ENT
ENT
ENT
ENT
ENT
1.
Press
once under measurement mode and enter into function form for password input of
calibration mode.
2.
After entering function form of calibration password input, LCD will ask you to input password. Press
▲
or
▼
to input calibration password
28,
then press
ENTER
to confirm the password.
3.
Press
ENTER
to enter into calibration sub function form, if instrument is set up as pH measurement
mode, lower display will show CAL pH. If instrument is set up as ORP measurement mode, lower
display will show CAL ORP. If you want to calibrate, please refer to relevant items.(please refer to
upper pictures).
NOTE
:
Anytime press
to quit calibration mode and return to upper function. If
return to measurement mode, old calibration information will be kept and used. After
returning to measurement mode, password will automatically set up form
28
to
000
when entering calibration mode.
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