Hanna Instruments HI 253 - Manual (Page 17)

17
or the number of days until the calibration alarm will be displayed.
or if expired (7 days ago).
• The instrument ID.
LAST ION CALIBRATION DATA
Last Ion calibration data is stored automatically after a successful calibration.
To view Ion calibration data, press GLP when the instrument is in Ion
measurement mode.
The instrument will display the time (hh:mm) of the last calibration.
Press the ARROW keys to view the next logged calibration parameter
(pressing the
°C key):
• The date (yyyy.mm.dd).
• The first Ion calibration buffer.
• The first mV value.
• The second Ion calibration buffer.
CAL INTV
TIME CAL
DATE CAL
CAL
1
BUF
ppm
CAL
BUF
mV
1
CAL
BUF
ppm
2