YSI pHotoFlex pH Handheld Colorimeter - Manual (Page 52)

Operation pHotoFlex
®
pH
52 ba76123e01 02/2013
Settings/functions The settings can be found in the Configuration / pH & ORP menu.
To switch to the Configuration menu, press the <MENU> key.
Menu item Possible
setting Description
Measured parameter pH & ORP
mV
Calibration /
Calibration record
- Displays the calibration re-
cord of the last calibration.
Calibration /
Cal. type
TEC
NIST/DIN
Buffer sets to be used for
pH calibration.
For details, see
section 4.6.5.
Calibration /
Calibration interval
1 ... 999 d Calibration interval for the
pH electrode (in days).
The meter reminds you to
calibrate regularly by the
flashing sensor symbol in
the measured value dis-
play.
Calibration /
Unit for slope
mV/pH
%
Unit of the slope.
The % display refers to the
Nernst slope of
-59.16 mV/pH (100 x de-
termined slope/Nernst
slope).
Man. temperature -20 ... +130 °C Entry of the manually de-
termined temperature. For
measurements without
temperature sensor only.
Temperature unit °C, °F Degrees Celsius
Degrees Fahrenheit
Reset Reset all settings for the
pH & ORP measuring
mode (see section 4.9.3)