Operational Guide
35
EC Meter
Configuration
Option
Description
Choices
Default
Basic mode
EC Range
If AUTO is used,
edge® will
automatically
find the correct
conductivity
range and
unit. If a fixed
value is used,
measurements
made outside
the ranges are
considered
Out of Range,
but units will
remain fixed
throughout the
measurement.
AUTO,
29.99 μS/cm,
299.9 μS/cm,
2999 μS/cm,
29.99 mS/cm,
200.0 mS/cm,
500.0 mS/cm
AUTO
Not available but
measurement
autoranges as
needed.
TDS Range
If AUTO is used,
edge® will
automatically
find the
correct TDS
measurement
range and
units. If a fixed
value is used,
measurements
made outside
the ranges are
considered
Out of Range,
but units will
remain fixed
throughout the
measurement.
AUTO,
14.99 mg/L,
149.9 mg/L,
1499 mg/L,
14.99 g/L,
100.0 g/L,
400 g/L
AUTO
Not available but
measurement
autoranges as
needed.
TDS Unit
Select units of
measurement
for TDS
measurement.
mg/L or ppm
ppm
Available to
select.
EC Salinity Scale
Three
measurement
scales are
available
for salinity
measurement
in Seawater.
(Practical
Salinity Scale,
Percent Scale
and Natural
Seawater Scale).
PSU, NaCl%, g/L NaCl%
Not available.
Cell Factor (cm
-1
) Manual Calibration
This option may be used to perform a manual calibration in a custom standard.
1. Rinse the pro be with a aliquot of standard and shake off excess solution.
2. Place the probe in the standard. The sleeve holes must be covered with
solution.
3. Press
SETUP
and use the
ARROW
keys to get to C.F. (cm
-1
)
4. Press
MODIFY
.
5. Use the
pq
keys to change C.F. (cm
-1
) until the display reads the Custom
Standard value.
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