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6.6.1 pH buffer solution series selection (P1)
(a) Long press , meter enters P1 mode: see picture (4-2).
(b) Press or to choose buffer solution series:
(U.S.A series) — 1.68, 4.00, 7.00, 10.01and 12.45 pH
(NIST series) — 1.68, 4.01, 6.86, 9.18 and 12.45 pH
(China series) — 1.68, 4.00, 6.86, 9.18 and 12.46 pH
(c) Press to enter next parameter setting or press to confirm and return to measurement
mode.
6.6.2 Pure water pH temperature compensation setting (P2)
(a) Short press in P1, the meter enters mode P2, see picture (4-3).
(b) Press or to choose
(pure water pH temperature compensation setting) or
(c) Press to enter next parameter setting or press to confirm
and return to measurement mode.
(d) The factory default setting is OFF
Note: will appear in the upper right corner of the LCD if pure water temperature compensation
function is set.
6.6.3 Ammonia added pure water pH temperature compensation
setting (P3)
(a) Short press in mode P2 to enter mode P3, see picture (4-4).
(b) Press or to choose (ammonia added pure water pH
temperature compensation setting) or
(c) Press to enter next parameter setting or press to confirm and return
to measurement mode.
(d) The factory default setting is OFF
Note: If the ammonia pure water pH temperature compensation function is set,
will appear in the right upper corner of the LCD when in measurement mode.