Hanna Instruments HI 2216 - Manual (Page 19)

19
Notes: • When the instrument is not calibrated or calibration is cleared
(default values loaded) there is no “expired calibration”,
and the display always shows the “
CAL” “INTV” tags blinking.
• When an abnormal condition in the RTC is detected, the
instrument forces the “expired calibration” status.
pH CALIBRATION DATA
Calibration data is stored automatically after a successful calibration.
To view the pH calibration data, press
GLP while in measurement mode.
The instruments will display the time (hh:mm) of the last calibration.
Use the ARROW keys to scroll through the calibration data:
• The date (yyyy.mm.dd).
• The pH calibration offset.
• The pH calibration slope (the GLP slope is the average of the calibration
slopes; the percentage is referred to the ideal value of 59.16 mV/pH).
• The pH calibration buffers in calibrating order and with the selected
resolutions at calibration moment.
The first pH calibration buffer:
The second pH calibration buffer: