![HydroAir P-38 Series Operation Manual Download Page 25](http://html.mh-extra.com/html/hydroair/p-38-series/p-38-series_operation-manual_2192023025.webp)
Hydro-Air P-38
Calibration
pH / ORP Analyzer
21
Reading:
Current pH reading from the sensor
Buffer:
Press the
UP
/
DOWN
key to set the buffer for the
Second Point
Buffer options
: 1.68 / 4.01 / 9.18 / 10.01 /
12.45 pH
Place the sensor into the standard buffer. Then
press
ENTER
to start calibration. The screen
shows
CAL
indicating the calibration is in progress.
Press
ENTER
when the Reading is stable to
display calibration results.
Status:
Displays Pass/Fail to indicate the result of
calibration
Slope / Buffer:
Displays the slope resulted from the calibration if
calibration is a success.
Displays ERROR if the calibration is a failure.
Press
ENTER
to complete the calibration