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3.3
Data Log, Recall and Delete
3.3.1. Save the measurement:
In measurement mode, when the reading is stable and stays on screen, short press
to save
the measurement data.
M+
icon and the data serial number will show up on the upper right corner. The
meter can store up to 200 sets of data.
3.3.2. Recall saved data:
(a) In measurement mode, long press
, the meter will recall the last saved data and the serial
number.
RM
icon will appear in the upper right corner of the screen.
Short press
or again, the meter will
recall all the data in turn, hold
or
to quickly review the data.
(b) In data recalling mode (
RM
and serial number in the lower right corner), short press
to return
to measurement mode.
3.3.3. Delete data:
In data recalling mode, hold
for 5 seconds,
CLr
will show up for 2 seconds, meaning that all the
saved data have been eliminated. Then the meter will return to measurement mode.
4
What’s in the kit
SX721 pH/ORP meter *1
201T-S plastic pH/ATC three-in-
one combination electrode *1
301Pt-S plastic ORP
combination electrode *1
Carrying case *1
Screw driver *1
Spare AA batteries *2
User manual *1
pH standard buffer solution (pH 4.00, pH 7.00, pH 10.01) *1
50ml bottle/each
5
Preparation
What you need in addition to what’s in the kit:
Pure water (RO, distilled or deionized water) for rinsing off the electrode.