Operational Guide
20
Steps To Optimize EC Measurement
Follow these steps to optimize measurement using an EC probe:
1. Determine what measurement you wish to make with the EC probe. (See
below)
2. Determine if Standard or Basic mode is best for your measurement.
3. Connect the Probe and con gure your measurement using the SETUP
menu.
4. Calibrate the EC probe.
5. Take measurements using an EC probe.
Measurements Available With The EC Probe
The four-ring EC probe may be used for 3 di erent measurement applications
with edge
EC
®.
• It may be used for temperature compensated or absolute conductivity
measurements (with units of μS/cm or mS/cm).
• TDS (Total Dissolved Solids) measurements (a calculated measurement
derived from the ionized particles in a sample and the conductivity
measurement). This has measurement units of mg/L, ppm or g/L.
• Salinity (not available in basic mode): 3 di erent seawater salinity scales
are supported; Practical Salinity (PSU), the Natural Seawater Scales (g/L),
and the NaCl %.
The RANGE key is used to change from conductivity to TDS (and to Salinity
available in standard mode only).
Basic Versus Standard EC Mode
Standard operation mode allows complete con guration of all options for the
measurement of Conductivity, TDS or Salinity measurements. Measurement data
can be logged using Manual log on demand, Manual Log on Stability or Interval
logs. All logged data can be exported to a thumb drive or PC. Basic operation
mode is used for conductivity and TDS measurements. Common default values
are used for Cell Factor (C.F.), temperature compensation coe cient and TDS
conversion factor. Measurement units are user-selectable for TDS. The meter
uses continuous auto-ranging to simplify the measurement experience.
Standard Basic
Measurement Conductivity, TDS, Salinity Conductivity, TDS
Set up Parameters Fully selectable Default values used
Log types
Manual Log on demand
Manual Log on stability
(Fast, Medium, Accurate)
Interval Logging
Manual Log on demand
Manual Log on stability
(Medium)
EC (Electrolytic Conductivity) meter operation is con gured using the SETUP
key with an EC probe connected to the meter. The EC-speci c parameters will
be seen inserted into the menu. If Basic mode is “On”, the EC parameter list will
be simpli ed, limiting the options the user can change. See Basic mode for a
description of this operation before choosing how to SETUP the meter.
Basic vs Standard
EC Mode
EC Meter
Con guration
Operational
Guide
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