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Hanna Instruments HI 98280 User Manual

Page 24

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24

Power save (min)
The power save mode allows to save the battery
life. After the set time is elapsed, the meter will:
1. automatically switch off, if in normal measure-

ment mode. Press on/off to switch on again.

2. enter a sleeping mode, if the continuous log-

ging mode is selected with a logging interval
of at least 1 minute. The “Power save mode“
message and the softkey appear
on the LCD; logging actions are not stopped.
Press to reactivate the display.

Available options are: No (disabled), 5, 10, 15, 20, 30 or 60 minutes. Press
to select the desired time interval.

Log interval
Set the logging interval time from 1 second to 3 hours.

Reference temperature
For conductivity readings, a reference tempera-
ture for the displayed value has to be set. Avail-
able options are 20°C and 25°C. Press the
softkey to select the desired option.

Temperature coefficient
The coefficient for temperature compensation
can be set from 0.00 (no temperature compen-
sation) to 6.00%/°C. Press and then
use the keyboard to insert the desired value. Use
the left arrow softkey to move the cursor. To con-
firm the value press .

TDS factor
The TDS conversion factor can be set from 0.00
to 1.00.
A typical TDS factor for strong ionic solutions is
0.5, while for weak ionic solutions (e.g. fertiliz-
ers) is 0.7.
To set this parameter, press , insert
the value and press to confirm.