Nova-Tech pH 310 - Manual (Page 12)

This featur
e lets you fr
eeze the value
of the pH, mV (or Relative mV) and temperatur
e r
eadings for a delayed
observation.
HOLD
can be used any
time when in
MEAS
mode.
1.
T
o
hold a measur
ement, pr
ess the
HOLD
key while in measur
ement
mode.
"HOLD"
will appear on the
display
.
See figur
e
2.
T
o
r
elease the held value, pr
ess
HOLD
again. Continue to take measur
ements.
NOTE:
This meter shuts of
f automatically
after 30 minutes of nonuse. If the meter is shut of
f either
automatically or manually
, the
HOLD value will be lost. For longer storage, use the memory functions (see pages 23-24).
NOTE:
For pH 310 model only
:
The pH 310
meter has an auto endpoint featur
e.
When this featur
e is switched on,
the display will automatically “hold” a r
eading that has been
stable for mor
e than 5 seconds.
The “hold” indicator appears. Pr
ess the HOLD key to r
elease
the r
eading. T
o
switch on or of
f the
auto endpoint featur
e, see Set up
pr
ogram P4.1 on page 32.
23
22
7. Memor
y functions
Memor
y Input
Y
our meter stor
es data in sets:
• pH and temperatur
e
• mV (or r
elative mV) and temperatur
e.
pH 300 meter:
The pH 300 meter can stor
e up to 16 sets of data in any combination of
values. For example, you can stor
e 7 pH and 9 mV values.
pH 310 meter:
The pH 310 meter can stor
e up to 50 sets of data in any combination of
values. In addition to the standar
d data set, the pH 310 meter also stor
es the date
and time the r
eading was stor
ed.
7.1
MEM
MEM
A
T
o
store a reading:
1.
During any measurement function (MEAS),
pr
ess the
MI
key to input any
data into the memory
2.
MEM, “Sto” and memory number will flash.
The meter then r
eturns to
measur
ement mode.
See figur
e
NOTE:
If the memory is full, the first value stor
ed will be erased to cr
eate space
for the new value.
pH ATC
MEAS
HOLD
C
A
A
6. HOLD function
A
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