Conductivity Calibration - Hach Sension 156 Manual

SECTION 4,
continued
Table 7 How to Change Conductivity Menu Options (Continued)
Setup How to Get There
Setup 7 From Conductivity Reading mode, press
TDS Correction Press the
Factor Press
Press the
correction functions.
To choose a non-linear conversion, scroll until a flashing NaCl appears, then
press
To select a linear conversion, scroll until the conversion coefficient appears. Use
the numeric keypad to set the value of the coefficient, then press
number entry error occurs, start over by pressing
When the desired option is selected, press
See Section 4.1 for more information about this setup.
Setup 8 From Conductivity Reading mode, press
Auto Print Press the
Intervals Press
Change the print interval by pressing the
Press
Setup 9 From Conductivity Reading mode, press
Reference Press the
Temperature Press
Press
See Section 4.1 for more information about this setup.
Setup 10 From Conductivity Reading mode, press
Temperature Press the
Correction Press
Off and On Press
See Section 4.1 for more information about this setup.
Setup 11 From Conductivity Reading mode, press
KCl or NaCl Press the
Calibration Press
Standard Note: Switching conductivity standards changes the temperature correction
Selection coefficients for calibration only. The choice of calibration standard has no effect on
the temperature correction coefficient applied when reading samples.

4.3 Conductivity Calibration

until the setup number is 7.
UP ARROW
.
ENTER
or
UP DOWN ARROW
.
ENTER
until the setup number is 8.
UP ARROW
.
ENTER
to accept the print interval.
ENTER
until the setup number is 9.
UP ARROW
to toggle between 20° C and 25° C. The default is 25° C.
ENTER
to return to the reading mode.
EXIT
until the setup number is 10.
UP ARROW
to toggle between (off) and on.
ENTER
to return to the reading mode.
EXIT
until setup number is 11.
UP ARROW
to toggle between NaCl and KCl standards.
ENTER
Calibrate the meter before use. There are two ways to calibrate
the meter:
1. Use NaCl or KCl standards of known electrolytic
conductivity. See Sections 4.3.1 and 4.3.2 for instructions on
these calibration method.
.
SETUP
keys to switch between linear and non-linear
CE
to return to the reading mode.
EXIT
.
SETUP
UP ARROW
.
SETUP
.
SETUP
.
SETUP
39
. If an
ENTER
.
and keys.
DOWN ARROW