
____________________________
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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:
4.1
ENTERING CALIBRATION MODE
000
S E T
028
S E T
CA
C A L
H O L D
C A L
H O L D
m V
k =
C A L
H O L D
7.00
C A L
H O L D
4.00
C A L
H O L D
7.00
C A L
H O L D
m V
k =
CA
C A L
H O L D
CA
C A L
H O L D
CA
C A L
H O L D
MEA
4.00
PH
S P I
A T C
m A
250
C
S P 2
8.58
MOD
MEA
7.00
PH
S P I
A T C
m A
C
S P 2
I2.00 25.0
4.00
059.0
059.0
7.00
7.00
PH
PH
Put the sensor into pH7.00buffer
after, display valus stable meter
automatic lock the value 5 seconds
l a t e r
Put the sensor into pH4.00buffer
after, display valus stable meter
automatic lock the value 5 seconds
l a t e r
d o n e
ESC
ENT
ENT
ENT
ENT
ENT
ENT
1.
Press
once under measurement mode to 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 upper pictures).
NOTE : Anytime press
to quit calibration mode and return to upper
function. If returning 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.