Hanna Instruments HI 4521 User Manual
Page 16
16
Log History
Accessing this option, last logged records will be displayed on the LCD.
The log history list also contains the appropriate main parameter
values, the logged temperature, the temperature compensation
source / mode, as well as the records time stamp.
To access the Log History displaying mode:
• Press
while in
Measure mode. The “Choose Display
Configuration” message will be displayed in the Reminder
messages area.
• Press
. The instrument will display the log history
regarding the selected measure mode.
Notes: • When an alarm condition is active, all logged records will have an exclamation mark (!).
• When a meter is in auto-hold, the logged records will have an “H” symbol.
• If another measure mode is selected, the Log History will be cleared.
• If the temperature unit is changed, all logged temperature values will be automatically displayed
in the new temperature unit.
101
ppppp H BUFFER TEMPERATURE
H BUFFER TEMPERATURE
H BUFFER TEMPERATURE
H BUFFER TEMPERATURE
H BUFFER TEMPERATURE
D E P E N D E N C E
D E P E N D E N C E
D E P E N D E N C E
D E P E N D E N C E
D E P E N D E N C E
Temperature has an effect on pH. The calibration buffer solutions are affected by temperature changes to a
lower degree than normal solutions.
During calibration the instrument will automatically calibrate to the pH value corresponding to the measured
or set temperature.
During calibration the instrument will display the pH buffer value at 25 ºC.
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