Conductivity/Total Dissolved Solids/Salinity

A measure of the impurities
in water supplies for domestic
and industrial use.
Conductivity / TDS / Salinity
Conductivity/Total Dissolved Solids/Salinity
utech’s
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Tester:
1. ECTestr 11+; 11
2. TDSTestr® 11+; 11
3. SaltTestr® 11
4. EcoTestr EC High; Low
5. EcoTestr TDS High; Low
6. EcoTestr Salt
Handheld:
1. CyberScan COND 610
2. CyberScan COND 600
3. CyberScan CON 400
4. CyberScan CON 110
5. CyberScan CON 11
6. COND 6+
7. TDS 6+
8. Salt 6+
Bench:
1. CON 2700
2. CON 700
page | 33
Conductivity/
TDS/Salinity
About Conductivity/TDS/
Salinity Measurement
About Conductivity, TDS &
Salinity Measurement
Conductivity / TDS / Salinity
Introduction to Conductivity, TDS and Salinity
Electrical Conductivity (EC) meters measure the capacity of ions in an
aqueous solution to carry electrical current. As the ranges in aqueous
solutions are usually small, the basic units of measurements are
milliSiemens/cm (mS/cm) and microSiemens/cm (µS/cm).
Solution
Absolute pure water
Power plant boiler water
Good city water
Ocean water
Distilled water
Deionised water
Demineralised water
Drinking water
Wastewater
Seawater
10 % NaOH
10 % H2SO4
31 % HNO3
Conductivity
0.055 µS/cm
1.0 µS/cm
50 µS/cm
53 mS/cm
0.5 µS/cm
0.1 - 10 µS/cm
0 - 80 µS/cm
0.5 - 1 mS/cm
0.9 - 9 mS/cm
53 mS/cm
355 mS/cm
432 mS/cm
865 mS/cm
Salinity measurements are common in industries like agriculture,
aquaculture, hydroponics, food, pools and spas where it is necessary
to monitor the salt level constantly. The values are usually read in parts
per thousand (ppt) or % (1 ppt = 1 gram per litre).
The Eutech salinity pocket testers SaltTestr® series are specially
developed to provide direct readings in these applications.
The Principle of Conductivity Measurement
The principle by which instruments measure conductivity is simple –
two plates are placed in the sample, a potential is applied across the
plates (normally a sine wave voltage), and the current is measured.
Conductivity (G), the inverse of Resistivity (R) is determined from the
voltage and current values according to Ohm’s law. 
G = I/R = I (amps) / E (volts)
Since the charge on ions in solution facilitates the conductance of
electrical current, the conductivity of a solution is proportional to
its ion concentration. In some situations, however, conductivity may
not correlate directly to concentration. The graphs below illustrate
the relationship between conductivity and ion concentration for
two common solutions. Notice that the graph is linear for sodium
chloride solution, but not for highly concentrated sulfuric acid. Ionic
interactions can alter the linear relationship between conductivity and
concentration in some highly concentrated solutions.
Conductivity is used widely to determine the level of impurities in water
supplies for domestic consumption as well as industrial use. Industries
that employ this method include the chemical, semi-conductor, power
generation, hospitals, textile, iron and steel, food and beverage, mining,
electroplating, pulp and paper, petroleum and marine industries.
Specific applications include chemical streams, demineraliser output,
reverse osmosis, stream boilers, condensate return, waste streams,
boiler blowdown, cooling towers, desalinisation, laboratory analysis,
fruit peeling and salinity level detection in oceanography.
Eutech offers a wide range of conductivity meters for these
various applications. Models include the ECTestr series, COND
6+, CyberScan handheld CON 11 and CON 110, CyberScan
waterproof CON 400 as well as the handheld multi-parameters
PC 10 and PC 300.
The total TDS is a mass estimate and is dependent on the mix of
chemical species as well as the concentration while conductivity is
only dependent on the concentration of chemical species. Some
applications require the measurement of Total Dissolved Solids (TDS)
in mg/L, parts per million (ppm) or parts per thousand (ppt). The TDS
concentration can be obtained by multiplying the conductivity value
with a factor which is empirically determined.
Eutech offers meters that allow the direct reading of TDS values.
These include the TDSTestr® series, TDS 6+, CyberScan standard
handheld CON 11, CON 110 and waterproof handheld CON 400.
Units of Measurement
The basic unit of conductivity is the Siemens (S), formerly called the
mho. Since cell geometry affects conductivity values, standardized
measurements are expressed in specific conductivity units (S/cm) to
compensate for variations in electrode dimensions. Specific conductivity
(C) is simply the product of measured conductivity (G) and the electrode
cell constant (L/A), where L is the length of the column of liquid between
the electrode and A is the area of the electrodes.
page | 34
Conductivity/
TDS/Salinity
About Conductivity/TDS/
Salinity Measurement
Most conductivity meters have a 2-cell electrode available in either
dip or flow-through styles. The electrode surface is usually platinum,
titanium, gold-plated nickel, or graphite. The 4-cell electrode uses a
reference voltage to compensate for any polarization or fouling of the
electrode plates. The reference voltage ensures that measurements
indicate actual conductivity independent of electrode condition,
resulting in higher accuracy for measuring pure water.
The Eutech EC620165 4-cell conductivity electrode (cell constant
K=1.0) with in-built ATC and DIN connector is available for use
with the bench meters. ECCONSEN9203J 4-cell conductivity
electrode with ATC and 3 m cable is available for COND 600,
COND 610, PCD 650 and CD 650 handheld meters.
Figure 1
C = G x (L/A)
Important Features to Consider in a Conductivity Meter
If the cell constant is 1 cm-1, the specific conductivity is the same as
the measured conductivity of the solution. Although electrode shapes
vary, an electrode can always be represented by an equivalent
theoretical cell.
Conductivity Temperature Compensation
Conductivity measurements are temperature dependent. The degree to
which temperature affects conductivity varies from solution to solution
and can be calculated using the following formula:
Gt = Gtstd {1 + α(T-Tstd)}
where:
Gt = Conductivity at measured Temperature T in °C;
Gtstd=Conductivity at Reference (Normalisation) Temperature Tstd in °C;
α = Temperature Coefficient of solution at Tstd in °C;
Tstd=
Reference or Normalisation Temperature in °C
All meters have either fixed or adjustable automatic temperature
compensation referenced to a standard temperature – usually 25 °C.
Most meters with fixed temperature compensation use α of 2 % per °C
(the approximate α of NaCl solutions at 25 °C). Meters with adjustable
temperature compensation let you to adjust the α to more closely
match the α of your measured solution.
Conductivity Meter Calibration and Cell Maintenance
• Auto-Ranging
Meter automatically selects the appropriate range for measurement.
There is no need to change the dial, multiply values on the display,
or turn the potentiometer.
• Temperature Compensation
A cell with built-in temperature sensor allows the meter to make
adjustments to the conductivity or TDS readings based on changes
in solution temperature.
• TDS Conversion Factor
When a solution does not have a similar ionic content to natural water
or salt water, then a TDS conversion factor is needed to automatically
adjust the readings.
• Adjustable Temperature Coefficients
The TDS of certain samples, such as alcohols and pure water, are
affected by changes in temperature. An adjustable temperature
coefficient allows the user to compensate for temperature changes
on the solution being measured.
• Adjustable Cell Constant
Adjusts the reading on the display to reflect use of a cell with a
constant other than k=1.0 cm-1.
Eutech’s wide range of conductivity meters incorporates these
features for consistent, accurate and reliable measurements.
Conductivity meters and cells should be calibrated to a standard
solution before using. When selecting a standard, choose one that has
the approximate conductivity of the solution to be measured.
A polarized or fouled electrode must be cleaned to renew the active
surface of the cell. In most situations, hot water with a mild liquid
detergent is an effective cleanser. Acetone easily cleans most organic
matter, and chlorine solutions will remove algae, bacteria or molds. To
prevent cell damage, abrasives or sharp objects should not be used to
clean an electrode. A cotton bud works well for cleaning but care must
be taken not to widen the distance of cell. 
>> Industrial Boilers
<< Photo Development
page | 35
Conductivity / TDS / Salinity
Conductivity Cells
Conductivity/
TDS/Salinity
Pocket Testers
ECTestr 11+ ; ECTestr 11 ; TDSTestr® 11+ ; TDSTestr® 11
Conductivity/ºC/ºF
Total Dissolved Solids/ºC/ºF
Conductivity / TDS / Salinity
Combining the ranges of three testers into one, the Eutech multi-range ECTestr 11 Series and
TDSTestr 11 Series now measure a wider conductivity range from pure water to waste water.
User-friendly features such as simultaneous temperature display, auto-ranging option, adjustable
TDS factor and automatic temperature compensation make conductivity and TDS measurements
on-the-go quick and easy!
Simultaneous
temperature display
Simultaneous
temperature display
User-replaceable
sensor
Unique cup-style design
of ‘+’ series allows
you to hold small
volumes of sample
* For ECTestr 11+ & TDSTestr 11+
Sensor element
made from industrial
grade SS316 stainless
steel type to protect
against harsh samples
VALOX® sensor
casing for superior
chemical durability
Accurate & Reliable
• ECTestr 11 series measures up to 20.00mS; TDSTestr 11 series measures up to 20.00ppt
• Up to 3-point calibration for higher accuracy – choose auto-calibration for quick, effortless calibration!
• Selectable TDS factor (0.4 to 1.00)*
• ±1 % full scale accuracy
* For TDSTestr 11+
Long Lasting
• Sensor elements made with industrial-grade SS316 stainless steel ensures superior chemical
durability. 11+ models come with unique cup-type sensors, made with Valox® casing to protect
against harsh samples
• Reduced operating cost – use tester body again and again with user-replaceable sensor
• Rugged and waterproof to IP67 standards. So light, it floats!
Applications
• Water & wastewater treatment • Boiler
blow-down • Electroplating rinse tanks
• Drinking water • Hydroponics • Printing
Industry • Aquaculture • Aquariums & fish
farms • Swimming pools • Others
page | 36
User-Friendly
• Auto-ranging option for convenient measurements in wide-range samples.
• Toggle between °C / °F easily with the press of a button
• Non-volatile memory retains calibration settings even when batteries run out – no need to
recalibrate each time you change batteries
Conductivity/
TDS/Salinity
Pocket Testers
SaltTestr® 11
Salinity/ºC/ºF
Conductivity / TDS / Salinity
Eutech’s latest SaltTestr 11 now comes with a new temperature display in °C and °F for easy
reference during your salinity testing. Waterproof to IP67 standard, the SaltTestr 11 assures
high accuracy readings even in harsh field conditions, from aquaculture settings to food
production applications.
Unlike other
conventional testers,
the SaltTestr 11
offers ±1 % full
scale accuracy
IP67 waterproof
casing – so light
it floats!
Sensor element
made from industrial
grade SS316 stainless
steel type to protect
against harsh samples
More User-Friendly
• Direct temperature readout in °C and °F
• Large screen display
• Battery-level indicator
• Non-volatile memory
High Accuracy
• ±1 % full scale accuracy
• Automatic Temperature Compensation (ATC)
More Savings
• Replaceable sensors
• Advanced power-conserving design
User-replaceable
sensor
Applications
Routine Testing: For quick, accurate
Salinity measurements in laboratories,
field and schools.
Water Quality Testing: Ideal for salt
levels in brines, pool water, aquaculture
systems, aquariums (marine fish) and
fish ponds (koi), food processing and
healthcare industries.
page | 37
Conductivity/
TDS/Salinity
Pocket Testers
EcoTestr EC High & EC Low ; EcoTestr TDS High & TDS Low ; EcoTestr Salt
Conductivity
Total Dissolved Solids
Salinity
Conductivity / TDS / Salinity
The Eutech EcoTestr conductivity, TDS and Salinity series come with rugged, sturdy stainless
steel pin sensors, giving you quick, reliable measurements in a wide range of applications.
Ideal for use in hydroponics gardening, fish-farming, pools, electroplating and other water/
wastewater applications.
Non-volatile memory
retains tester
settings even when
batteries run out
Click-lock battery
compartment – simply
lift and remove cover
to replace batteries. No
additional tools required
Large, upright LCD
with parameter
display and battery
level indicator
Tactile switch keypad
lasts longer than
ordinary keypad
Easy push-button
calibration.
Microprocessorpowered tester
requires no
screwdriver for
calibration
Applications
• Water & wastewater treatment
• Environmental monitoring • Education
• Hydroponics • Agriculture • Aquaculture &
aquariums • Pools & spas • Food & beverage
manufacturing • Cooling towers
• Electroplating • Printing
• Photo-development & more!
page | 38
• Up to ±1% full scale accuracy
• Single-point, auto-calibration – quick, easy calibrations at the press of a button
• Manual calibration option for better accuracy with near-to-sample calibrations
• EcoTestr TDS series features adjustable TDS factor from 0.4 to 1.0
Conductivity/
TDS/Salinity
Pocket Testers
Specifications
Waterproof Large Dual-Display Pocket Testers
ECTestr 11+ ECTestr 11 TDSTestr 11+ TDSTestr 11 SaltTestr 11
EC High
EC Low
EcoTestrs
TDS High
TDS Low
Salt
Conductivity/
TDS/Salinity
Pocket Testers
Specifications
Measuring Parameter
Highlights
Range
Conductivity
Resolution
Accuracy
Range
TDS
Resolution
Accuracy
Factor
Cal. Points
Range
Resolution
Salinity
Accuracy
Cal. Points
Factor
Range
Resolution
Temperature Accuracy
Calibration
Window
Temperature
Compensation
Sensor Type
Replaceable
Sensor
Temperature
Coefficient
Normalization
Temperature
Meter
Non-Volatile
Features
Memory
IP67
Operating
Temperature
Auto-Off
LCD Display
Power
Battery Life
Dimensions Tester
(LxWxH); Weight Boxed
Conductivity / ºC / ºF
TDS / ºC / ºF
Salinity / ºC / ºF
Conductivity
TDS
Salinity
Multi-range Dual-range Multi-range Dual-range Dual-display
Economical, large, upright display
.. to 200.0 µS
.. to 2000 µS
.. to 2000 µS
–
–
.. to 19.90 mS .. to 1990 µS
–
.. to 20.00 mS
.. to 20.00 mS
0.1 µS
10 µS
1 µS
–
–
0.1 mS
10 µS
–
0.10 mS
0.01 mS
±1 % full scale
±1 % full scale
–
–
(±2 % above ±1 % full scale
–
10 mS)
.. to 100.0 ppm *
.. to 1000 ppm *
.. to 1000 ppm *
–
.. to 10.00 ppt
–
–
.. to 10.00 ppt .. to 1990 ppm
–
.. to 10.00 ppt
(depending
on TDS factor)
0.1 ppm
10 ppm
–
1 ppm
–
–
0.1 ppt
10 ppm
–
0.10 ppt
0.01 ppt
±1 % full scale
–
±1 % full scale
–
–
(±2 % above ±1 % full scale
–
5 ppt)
0.40 to 1.00
0.50 to 1.00
0.4 to 1.0
–
–
–
–
(selectable)
(selectable) (selectable)
3 auto or
2 auto or
3 manual
2 manual
1 manual
3 manual
2 manual
–
.. to 10.00 ppt
–
.. to 10.0 ppt
–
0.10 ppt
–
0.1 ppt
±1 % full scale
–
±1 % full scale
–
(±2 % above
5 ppt)
–
1
–
1
Non-linear
Non-linear
–
–
compensation
compensation
0 to 50.0 ºC / 32.0 to 122.0 ºF
–
0.1 ºC / 0.1 ºF
–
±0.5 ºC / ±0.9 ºF + 1 LSD
–
±0.5 ºC /
±5.0 ºC / ±9.0 ºF
–
±0.9 ºF
ATC (0 to 50 ºC / 32 to 122 ºF)
Cup
Dip
Cup
Dip
Yes
–
2 % per ºC, fixed
25.0 ºC, fixed
Yes
Yes
0 to 50 ºC
8.5 mins after last key pressed
Custom dual-display (2.1 x 2.7 cm)
4 x 1.5 V ‘A76’ micro alkaline batteries (included)
> 150 hrs
16.5 x 3.8 cm ; 90 g
18.5 x 6.5 x 5 cm ; 200 g
3½ digit single display
16.3 x 4.5 cm ; 90 g
• 1 mS/cm = 1000 µS/cm (µS: microSiemens / mS: miliSiemens) • 1 ppt = 1000 ppm (ppm: parts per million / ppt: parts per thousand) * Max. 200.0 ppm and 2000 ppm based on TDS factor 1.0
page | 39
Conductivity / TDS / Salinity
Models
Conductivity/
TDS/Salinity
Pocket Testers
Ordering Information
Conductivity/TDS/Salinity Pocket Testers
•
•
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•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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•
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Alkaline Button
Cell Batteries
Lanyard
01X377229
01X377228
01X377234
01X377233
01X377232
01X477102
01X477101
01X477104
01X477103
01X477105
Accessories
2-Pin Type Sensor
ECTEST11PLS
ECTEST11
TDSTEST11PLS
TDSTEST11
SALTTEST11
ECOECTESTHIGH
ECOECTESTLOW
ECOTDSTESTHIGH
ECOTDSTESTLOW
ECOSALTTEST
Temperature
ECTestr 11+
ECTestr 11
TDSTestr 11+
TDSTestr 11
SaltTestr 11
EcoTestr EC High
EcoTestr EC Low
EcoTestr TDS High
EcoTestr TDS Low
EcoTestr Salt
Salinity
Part No.
TDS
Order Code
Conductivity
Item
Sensors
Cup Type Sensor
Conductivity / TDS / Salinity
Parameters
•
•
•
•
•
•
•
•
•
•
Replacement Sensors/Electrodes & Accessories
Used With
Description
ECTestr 11 / TDSTestr 11 / SaltTestr 11 2-pin type replacement sensor
ECTestr 11+ / TDSTestr 11+
Cup type replacement sensor
Order Code
Part No.
ECTDSSENSOR
01X229713
ECTDSSENSORPLUS 01X229714
All testrs
All testrs
SaltTestr 11 / EcoTestr Salt
SaltTestr 11
SaltTestr 11
EcoTestr EC High
EcoTestr EC High
EcoTestr EC Low
EcoTestr EC Low
EcoTestr TDS High
EcoTestr TDS Low
EcoTestr TDS Low
ECPOUCH01
ECBATT14
ECNACL5PPT
ECNACL25PPT
ECNACL45PPT
ECCON2764BT
ECCON1288BT
ECCON100BT
ECCON1413BT
EC4423000BT
EC442300BT
EC4421000BT
<< Drinking Water
<< Swimming Pools
page | 40
Belt-loop soft carrying case for testr
Alkaline button cell batteries (50 units per pack)
5 ppt NaCl standard solution
25 ppt NaCl standard solution
45 ppt NaCl standard solution
2764 µS/cm KCl calibration solution, 480 ml bottle
12.88 mS/cm KCl calibration solution, 480 ml bottle
100 µS/cm KCl calibration solution, 480 ml bottle
1413 µS/cm KCl calibration solution, 480 ml bottle
3.00 ppt 442 calibration solution, 480 ml bottle
300 ppm 442 calibration solution, 480 ml bottle
1000 ppm 442 calibration solution, 480 ml bottle
>> Aquaculture
>> Industrial Process Water
56X201300
01X220401
01X211230
01X211231
01X211232
01X211214
01X211210
01X211217
01X211207
01X109101
01X109102
01X109104
Conductivity/
TDS/Salinity
CyberScan Waterproof
Handheld
CyberScan COND 610 ; CyberScan COND 600
Conductivity/TDS/Salinity/Resistivity/ºC/ºF Conductivity/TDS/ºC/ºF
Wireless data transfer
Comprehensive
multi-data screen display
with backlight
Complimentary
Cybercomm software
– download data from
meter to PC as text or
Excel® spreadsheet
High/low alarm limits
Velcro strap
for firmer grip
User-friendly set-up
menu with intuitive
soft-key operation
IP67 waterproof
Kit set comes with 4-cell
conductivity electrode
Wider Measuring Range
• Up to 5 Conductivity ranges in one meter with convenient auto-ranging capabilities
• ±1 % full scale accuracy at 3-decimal resolution
• Measures pure water with pure water temperature coefficient option (applicable to COND 610 only)
User-Friendly
• Backlit screen with multi-data display – convenient for working in dark areas
• Cal-due alarm for periodic calibration updates
Advanced Data Management
• Meter logs reading automatically within seconds of measurement
• Password protection security for calibration and set-up menus
• GLP-compliant with time and date-stamping
• RS232C through LED*, IrDA wireless communications technology
* RS232C (LED) interface adapter available as separate accessory (order code: 01X344201)
Applications
Environmental: Use to test water quality,
monitor health of aquatic ecosystems,
survey surface and ground water drinking
supplies and to meet EPA regulations.
Industrial: Ideal for checking quality
of plant water intake and discharge,
wastewater and water treatment,
recirculating systems and industrial process
systems, water conditioning plants and
chemical process verification.
Aquaculture: Use to monitor water
conditions in catfish and shrimp farming,
game stocking ponds, ornamental fish
tanks and ponds as well as other fish
farming applications.
page | 41
Conductivity / TDS / Salinity
View readings, calibration and electrode status data all in one screen view – the CyberScan
COND 600 series comes with advanced wireless communications technology for seamless data
transfer from meter to PC. Meter also accepts and auto-detects 2-cell and 4-cell conductivity probes
for pure water to wastewater applications.
Conductivity/
TDS/Salinity
CyberScan Waterproof Handheld
CyberScan CON 400
Conductivity/TDS/ºC/ºF
Conductivity / TDS / Salinity
Waterproof to IP67, the CyberScan CON 400 delivers lab-accurate results stamped with time and
date for GLP-compliant research.
Rubber grips at
either side for
firmer grip
IP67 – dustproof
and waterproof
Ergonomic design for
that perfect palm fit
Conductivity
electrode with
built-in ATC and
minimal bubble
entrapment design
Available in
complete kit version
Applications
• Water quality testing • Geological and
ecological testing • Cooling towers • Boiler
water • Printing • Brines • Swimming pools
and spas • Agriculture and aquaculture
• Aquariums • Hydroponics • Fertilizers
• Schools and laboratories
page | 42
• Conveniently auto-ranging with up to 5-point push-button calibration
• Measures TDS in addition to Conductivity and Temperature in °C and °F
• Adjustable TDS factor for direct derivation of TDS values
• Selectable cell constant
• GLP-compliant
• Selectable automatic/manual temperature compensation
• Hold function freezes readings for easy reference
• Auto-off conserves energy and lengthens battery life-span
• Non-volatile memory holds up to 50 data sets even when you run out of batteries
Conductivity/
TDS/Salinity
CyberScan Standard Handheld
CyberScan CON 110 ; CyberScan CON 11
Conductivity/TDS/ºC/ºF
Conductivity/TDS/ºC
Conductivity / TDS / Salinity
The economy CyberScan CON 110 and 11 are cost-effective, easy to use and self-diagnostic
for easy trouble-shooting. Meters are uniquely designed to fit your palm perfectly for effortless
one-hand operation.
Dual-display
with temperature
annunciator
Complimentary
CyberComm Data
Acquisition software
Ergonomically
designed for easy
one-hand operation
Splashproof keypad
Direct data printout
via RS232C
Conductivity
electrode with
built-in ATC and
designed for minimal
bubble entrapment
IP54-rated housing
protects meter
against dust and
water splashes
• Selectable automatic and manual calibration options
• Full-range accuracy with up to 5-point push-button calibration
• More accurate measurements with user-customisable options for normalisation temperature,
TDS factor and temperature coefficient
• Non-volatile memory holds up to 50 data sets. Meter settings remain even when you run out
of batteries
• Hold function freezes readings for easy reference
• Auto-off conserves energy and lengthens battery life-span
• Direct data transfer via RS232C output – auto data-logging to PC with CyberComm DAS
Expanded Features of CyberScan CON 110
• Convenient data transfer to a printer or PC with RS232C output
• One-glance monitoring of electrode performance with electrode data display
• Expanded memory holds up to 100 data sets
Adjustable
electrode holder
Applications
General: Monitor dissolved solids or
Conductivity levels quickly and easily
in laboratories, field, schools and
educational environments.
Industrial: Use for testing pollution control,
water treatment, and water hardness.
Also useful for checking cooling towers,
boiler water, fountain solutions in printing
operations, brines, swimming pools,
whirlpools and rinse water.
Agricultural: Use for checking aquariums,
fish farms, hydroponics, and fertilizer/
chemical concentrations.
page | 43
Conductivity/
TDS/Salinity
Economy Handheld
COND 6+ ; TDS 6+
Conductivity/ºC
TDS/ºC
Conductivity / TDS / Salinity
Sturdy and economical – the Eutech COND 6+ and Eutech TDS 6+ are no-frills handhelds perfect
for basic water testing needs. The meters are rugged, sturdy and come with protective rubber boots
and hinges that conveniently double up as benchtop stands.
Rubber boot
protects against
knocks and hits
Reader-friendly
screen display
IP54-rated housing
protects against dust
and water splashes
Splashproof keypad
Convenient
benchtop stand
Conductivity
electrode with
built-in ATC and
designed for minimal
bubble entrapment
Applications
Routine Testing: For quick, accurate
Conductivity or TDS checks in laboratories,
field and schools.
Environmental/Agricultural: Useful in
nutrient and fertilizer checks in hydroponics
and agricultural industries.
Water Quality Testing: For analysing
water, hard water, untreated water,
industrial and rinse water, drinking water, effluent water, pool water and incoming
process water. Ideal for all types of quality
assurance, printing industries and water
quality testing.
page | 44
• Up to 5-point push-button calibration with auto-buffer recognition – quick, easy calibration
with no mistakes
• ±1 % full scale accuracy
• Selectable automatic/manual temperature compensation
• Auto-ranging for Conductivity measurements
• Adjustable TDS factor for direct derivation of values
• Non-volatile memory holds meter settings, even when batteries run out
• Easy troubleshooting with comprehensive self-diagnostic messages
Conductivity/
TDS/Salinity
Economy Handheld
Salt 6+
Salinity/ºC
Conductivity / TDS / Salinity
With sturdy rubber boot, splash-proof keypad, large custom LCD and rugged carrying case, salinity
testing on the go is a breeze with the Eutech Salt 6+.
Rubber boot
protects against
knocks and hits
IP54-rated housing
protects against
water splashes
Splashproof keypad
Applications
• Measures in ppt and %
• Quick and easy push-button calibration
• User customisation for normalisation temperature and temperature coefficient
• Electrode with built-in ATC designed for minimal air bubble entrapment during measurement
• Rugged all-in-one meter kit available
• Other features include: HOLD function, auto-off, self-diagnostics
Routine Testing: For quick, accurate
Salinity measurements in laboratories,
field and schools.
Water Quality Testing: Ideal for salt
levels in brines, pool water, aquaculture
systems, aquariums (marine fish) and
fish ponds (koi), food processing and
healthcare industries.
page | 45
Conductivity/
TDS/Salinity
Handheld Meters Specifications
Conductivity / TDS / Salinity
Models
COND 610
CyberScan Dual-Display
COND 600
CON 400
CON 110
CON 11
COND 6+
Eutech Single-Display
TDS 6+
Salt 6+
Conductivity/
TDS/Salinity
Handheld Meters
Specifications
Measuring Parameter
Highlights
Range
Conductivity
Resolution
Conductivity / TDS /
Conductivity / TDS / ºC / ºF
Salinity/Resistivity/ºC/ºF
Waterproof, GLP, Waterproof, GLP,
RS232C, IrDA,
RS232C, IrDA,
Waterproof, GLP
linear & pure TC
linear TC
.. to 2.000 µS
.. to 2.000 µS
2.000 to 300.0 µS 2.000 to 300.0 µS
300.0 µS to 4.000 mS 300.0 µS to 4.000 mS
4.000 to 40.00 mS 4.000 to 40.00 mS
40.00 to 500.0 mS 40.00 to 200.0 mS
0.01 µS / 0.1 µS / 0.001 mS /
0.01 mS / 0.1 mS
Conductivity / TDS / Conductivity /
ºC / ºF
TDS / ºC
Expanded
Standard
memory, RS232C
handheld
output
.. to 19.99 µS
19.9 to 199.9 µS
199 to 1999 µS
2.00 to 19.99 mS
20.0 to 199.9 mS
Conductivity / ºC
TDS / ºC
Salinity / ºC / ºF
Economical CON
measurement
Economical TDS
measurement
High accuracy over
a wide Salinity
range
–
0.05 % full scale
–
Accuracy
TDS
Salinity
Resistivity
Cal. Points
Temperature
±1 % full scale + 1 LSD
.. to 2.000 ppm
.. to 2.000 ppm
.. to 10.00 ppm **
.. to 9.99 ppm **
2.000 to 300.0 ppm 2.000 to 300.0 ppm 10.0 to 100.0 ppm
10.0 to 99.9 ppm
Range
100 to 999 ppm
–
(Depending 300.0 ppm to 4.000 ppt 300.0 ppm to 4.000 ppt 100 to 1000 ppm
1.00 to 9.99 ppt
On TDS Factor) 4.000 to 40.00 ppt 4.000 to 40.00 ppt 1.00 to 10.00 ppt
40.00 to 500.0 ppt 40.00 to 200.0 ppt 10.0 to 100.00 ppt
10.0 to 99.9 ppt
0.01 ppm / 0.1 ppm / 0.001 ppt /
0.05 % full scale
0.05 % full scale
Resolution
0.01 ppt / 0.1 ppt
±1 % full scale + 1 LSD
±1 % full scale + 1 LSD
Accuracy
0.40 to 1.00
0.40 to 1.0
0.40 to 1.0
–
TDS Factor
.. to 0.770 ppm
0.770 to 143.3 ppm
143.3 ppm to 2.138 ppt
–
Range
2.138 to 23.64 ppt
23.64 to 80.00 ppt
0.01 ppm / 0.1 ppm /
–
Resolution
0.001 ppt / 0.01 ppt
±1 % full scale + 1 LSD
–
Accuracy
2.000 to 25.00 Ω
25.00 to 250.0 Ω
250.0 to 3.333 kΩ
–
Range
3.333 to 500.0 kΩ
500.0 kΩ to 20.00 MΩ
0.01 Ω / 0.1 Ω / 0.001 Ω /
–
Resolution
0.1 Ω / 0.01 MΩ
1 % full scale + 1 LSD
–
Accuracy
4 (1 per range) auto, 5 (1 per range) manual 5 (1 per range) manual
4 (1 per range) auto, 5 (1 per range) manual
-10.0 to 110 ºC / 14.0 to 230 ºF
0.0 to 100.0 ºC / 32.0 to 212 ºF
Range
0.1 ºC / 0.1 ºF
Resolution
±0.5 ºC / ±0.9 ºF
Accuracy
ATC / MTC (0 to 80 ºC)
Compensation
Normalization
Meter
Features
15 to 30 ºC
20.0 or 25.0 ºC
–
.. to 9.99 ppm **
10.0 to 99.9 ppm
100 to 999 ppm
1.00 to 9.99 ppt
10.0 to 99.9 ppt
0.40 to 1.0
1.0 to 50.0 ppt / 0.1
to 5.00 %
0.1 ppt / 0.01 %
±1 % full scale
5 (1 per range) manual
-10.0 to 110 ºC
0.1 ºC
±0.5 ºC
ATC / MTC (0 to 50 ºC)
20.0 ºC & 25.0 ºC
(selectable)
0 to 50 ºC
0 to 50 ºC
Operating Temp.
Temperature
Linear & pure
Linear
0.0 to 10.0 %
0.0 to 3.0 %
0.0 to 3.0 %
Coefficient
Yes
–
GLP
Yes
–
Cal-Due Alarm
Yes
–
IP67
Yes
–
Yes
Datalogging
500 data sets
50 data sets
100 data sets
50 data sets
–
Memory
0.010 to 10.000
0.1, 1.0, 10.0
Cell Constant
Dual-display LCD (5.8 x 3.3 cm)
Single-display LCD (4.5 x 2.3 cm)
LCD Display Dot-matrix LCD with backlight (5.4 x 7.1 cm)
2 to 30 mins after last key pressed
20 mins after last key pressed
Auto-Off
Yes
–
Auto Hold
DC phono sockets, 8-pin connector
6-pin connector
DC socket, 6-pin connector
BNC, 2.5 mm phono socket
Input
IrDA, RS232C (via LED) *
–
RS232C
–
Output
Power
Battery Life
Dimensions Meter
(LxWxH); Weight Boxed
4 x 1.5 V ‘AA’ alkaline batteries or
9 V DC adapter, 500 mA
> 200 hrs
18.3 x 9.5 x 5.7 cm ; 460 g
40 x 33 x 10 cm ; 2680 g
4 x 1.5 V ‘AAA’
4 x 1.5 V ‘AAA’ alkaline batteries or
alkaline batteries
9 V DC adapter, 200 mA
> 100 hrs
> 200 hrs
19 x 10 x 6 cm ; 320 g
18 x 9 x 4 cm ; 220 g
40 x 33 x 10 cm ; 2100 g
4 x 1.5 V ‘AAA’ alkaline batteries
> 100 hrs
15.7 x 8.5 x 4.2 cm ; 255 g
36 x 28 x 8 cm ; 1555 g
• 1 mS/cm = 1000 µS/cm (µS: microSiemens / mS: miliSiemens) • 1 ppt = 1000 ppm (ppm: parts per million / ppt: parts per thousand) ** Maximum 199.9 ppt depending on factor setting
* RS232C (LED) interface adapter available as separate accessory (see page 47 for order information)
page | 46
Conductivity/
TDS/Salinity
Handheld Meters
Ordering Information
Conductivity/TDS/Salinity Handheld Meters
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Economy Carry
Kit Set With
Calibration Stds
RS232C Cable
Electrode
Holder
CyberComm
Portable
DAS Software
•
•
•
•
•*
* Economy Salinity carry kit set – plastic carry case, 5 ppt, 25 ppt, 45 ppt NaCl standard solutions, deionised rinse water
Replacement Electrodes & Accessories
Used With
Description
4-cell epoxy body Conductivity electrode, ATC, cell constant K=0.530, 12 x 120 mm,
COND 610 / COND 600
8-pin connector, 3 m cable
2 stainless steel rings ultem-body Conductivity electrode, ATC, cell constant K=1.0, 16 x 144 mm,
COND 610 / COND 600
8-pin connector, 1 m cable
2 stainless steel rings ultem-body Conductivity electrode, ATC, cell constant K=1.0, 16 x 144 mm,
CON 400 / CON 110 / CON 11
6-pin connector, 1 m cable
2-stainless steel rings ultem-body Conductivity electrode , ATC, cell constant K=1.0, 16 x 144 mm,
COND 6+ / TDS 6+ / Salt 6+
BNC connector, 1 m cable
COND 610 / COND 600
COND 610 / COND 600
COND 610 / COND 600
CON 400 / CON 110 / CON 11
CON 110 / CON 11
CON 110
COND 6+ / TDS 6+
12 mm diameter electrode
All except 600 series
CyberScan CON 600 series carry kit set – plastic carry case, 442 standard solutions (1413 mS,
12.88 mS KCl, 3000 ppm), deionised rinse water
100 / 240 VAC SMPS power adapter, 9 V, 6 W, centre +ve, US / UK / EUR / Japan plug
RS232C (LED) interface adapter
CyberScan Conductivity / TDS carry kit set – plastic carry case, 442 standard solutions (1413 mS,
12.88 mS KCl, 111.8 mS KCl), deionised rinse water
100 / 240 VAC SMPS power adapter, 9 V, 6 W, centre +ve, US / UK / EUR / Japan plug
RS232C communication cable – 9-pin male to 9-pin female connector, 1 m cable
Economy Conductivity / TDS carry kit set – plastic carry case, 442 standard solutions (1413 mS,
12.88 mS KCl, 3000 ppm), deionised rinse water
Electrode holder
CyberScan handheld carry pouch
<< Laboratories
<< Agricultural Industries
Order Code
Part No.
CONSEN9203J
01X244723
CONSEN91J
01X244721
CONSEN91W
01X244702
CONSEN91B
01X244701
ECCONWP600KIT 01X430202
01X030132
91100-85
01X030132
01X344202
ECCONWPKIT
01X266802
60X030130
ECCA02M09F09
60X030130
30X219503
ECECOCONKIT
01X266902
15X000700
ECPOUCH02
15X000700
56X201400
<< Pollution Control
page | 47
Conductivity / TDS / Salinity
•
•
•
•
•
•
•
•
•
CyberComm 600
DAS Software
•
Conductivity
Electrode
(CONSEN91B)
•
CyberScan Carry
Kit Set With
Calibration Stds
•
•
•
•
•
Accessories
Power Adapter
•
•
•
•
•
•
Conductivity
Electrode
(CONSEN91W)
01X418307
01X418304
01X251410
01X366309
01X366305
01X289425
01X289427
01X289429
4-Cell Conductivity
Electrode
(CONSEN9203J)
ECCONWP61043K
ECCONWP60043K
ECCONWP40003K
ECCON11003K
ECCON1103K
ECCON603PLUSK
ECTDS603PLUSK
ECSALT603PLUSK
Electrodes
Temperature
COND 610
COND 600
CON 400
CON 110
CON 11
COND 6+
TDS 6+
Salt 6+
Salinity
Part No.
Resistivity
Order Code
TDS
Item
Conductivity
Parameters
Conductivity/
TDS/Salinity
Deluxe Bench
CON 2700
Conductivity/TDS/Salinity/Resistivity/ºC/ºF
Conductivity / TDS / Salinity
Featuring auto-standardization, auto-calibration and auto-ranging capabilities, the Eutech
CON 2700 accepts 2-cell and 4-cell electrodes, allowing a broad range of measurement at up to
±1 % full scale accuracy. Meter comes with a multi-data screen that shows Conductivity readings,
temperature, electrode status, calibration points, date and time all at once.
Stability display –
faded out and then
turns completely
black when stable
Integrated
electrode holder
Large informative
display
Bright backlight/
illuminated display
Download the latest
software from our website
Non-skid foot pads
Applications
• Environmental studies • Chemical
laboratories • Quality assurance testing
• Food science • Ecological studies
• Education institution
page | 48
Splashproof housing
and keypad
• Choose auto-calibration with preset values for quick easy calibration, or manual multi-point
calibration for greater accuracy
• Easy standardization with auto-standardization feature – detect the exact cell constant value of your
electrodes with the press of a button
• Quick, easy electrode diagnosis with the effective cell constants display
• Replatinization in 5 minutes with the built-in replanitization circuit
• Non-volatile memory holds up to 500 data points – time and date-stamped for GLP compliance
• Bi-directional RS232 for easy data transfer to computer
• Cal-due alarm – no more out-dated calibrations!
• Auto-logging function for convenient continuous monitoring
• Limit alarm alerts when reading falls out of range
• Password protection for setup and calibration
Electrode arm and bracket available as separate accessory (order code: 01X321801) – please refer to page 105
Conductivity/
TDS/Salinity
Economy Bench
CON 700
Conductivity/TDS/ºC/ºF
Larger display
Integrated
electrode holder
Electrode arm can be
used on either side
Fast response
Splashproof keypad
Non-skid foot pads
Quick reference
guide
• Large, comprehensive screen that displays readings, calibration points and electrode indicator
• Ready indicator alerts when readings are stable
• Selectable cell constant
• Auto-ranging across 5 conductivity ranges
• Up to 5-point push button calibration
• Non-volatile memory holds up to 100 data points
• Integral electrode holder
Electrode arm and bracket available as separate accessory (order code: 01X321801) – please refer to page 105
Applications
• Environmental studies • Chemical
laboratories • Quality assurance testing
• Food science • Ecological studies
• Education institution
page | 49
Conductivity / TDS / Salinity
The economy Eutech CON 700 offers years of reliable, accurate and consistent performance.
User-friendly features make the instrument an ideal research partner in laboratories, productions
plants and schools.
Conductivity/
TDS/Salinity
Bench Meters Specifications
& Ordering Information
Deluxe Bench
CON 2700
Economy Bench
CON 700
Conductivity / TDS / Salinity / Resistivity / ºC / ºF
Graphic LCD with backlight & extensive display
0.050 µS to 500.0 mS
0.01 / 0.1 µS
0.001 / 0.01 / 0.1 mS
±1 % full scale
Conductivity / TDS / ºC / ºF
Large LCD with dual display
.. µS to 200.0 mS
0.01 / 0.1 / 1 µS
0.01 / 0.1 mS
±1 % full scale
Conductivity/
TDS/Salinity
Bench Meters
Specifications
Measuring Parameter
Highlights
Range
Conductivity
TDS
Resolution
Accuracy
Cal. Points
Range
(Depending
On TDS Factor)
Up to 5
Resolution
Accuracy
Cal. Points
Range
Salinity
0.050 ppm to 500 ppt
(@ TDS factor 1.00)
.. to 100.0 ppt @ 0.5 fact (200.0 @ 1 factor)
0.01 / 0.1 ppm
0.001 / 0.01 / 0.1 ppt
±1 % full scale
0.01 / 0.1 / 1 ppm
0.01 / 0.1 ppt
±1 % full scale
Up to 5
0 to 80.0 ppt
0.01 / 0.1 ppm
0.001 / 0.01 / 0.1 ppt
±1 % full scale
Up to 5
2.000 Ω to 20.0 MΩ
0.01 / 0.1 Ω ; 0.001 / 0.1 kΩ ; 0.01 MΩ
±1 % full scale
Up to 5
Resolution
Accuracy
Cal. Points
Range
Resolution
Resistivity
Accuracy
Cal. Points
Range (Meter)
Resolution
Accuracy
Temperature
Coefficient
Normalization
Compensation
GLP
Cell Constant
Datalogging
Memory
Meter
Features
LCD Display
Input
Output
Power
Dimensions Meter
(LxWxH); Weight Boxed
–
–
–
–
–
–
–
–
0.0 to 100.0 ºC / 32.0 to 212.0 ºF
0.1 ºC / 0.1 ºF
±0.3 ºC / ±0.5 ºF
Linear & pure ; 0.000 to 10.000 % (per ºC)
±0.5 ºC / ±0.9 ºF
0.00 to 10.00 % (per ºC)
15.0 to 30.0 ºC / 59.0 to 86.0 ºF
ATC / MTC
Yes
–
0.010 to 10.000
0.1 / 1.0 / 10.0
Yes
–
500 data sets
100 data sets
Graphic LCD with backlight (5.9 x 7.8 cm)
Custom dual-display LCD (5.6 x 7.5 cm)
DC socket, 8-pin DIN (2-cell or 4-cell), RS232
DC socket, 8-pin DIN (2-cell)
RS232
–
9 V DC adapter, 1.3 A (100 / 240 VAC, SMPS)
17.5 x 15.5 x 6.9 cm ; 650 g
30.8 x 23.5 x 12.4 cm ; 1800 g
• 1 mS/cm = 1000 µS/cm (µS: microSiemens / mS: miliSiemens) • 1 ppt = 1000 ppm (ppm: parts per million / ppt: parts per thousand)
Conductivity/TDS/Salinity Bench Meters
•
•
•
•
Conductivity
Sachets
•
•
Power Adapter
•
RS232 Cable
(30X427301)
•
Integral
Electrode Holder
•
•
4-Cell
Conductivity
Electrode
(CONSEN9201D)
•
•
Accessories
2-Cell
Conductivity
Electrode
(CONSEN9501D)
01X543905
01X543401
Resistivity
CON 2700 ECCON270043S
CON 700 ECCON70043S
Part No.
Electrodes
Temperature
Order Code
TDS
Item
Salinity
Parameters
Conductivity
Conductivity / TDS / Salinity
Model
•
•
•
•
•
Replacement Electrodes & Accessories
Used With
Description
4-cell, epoxy-body, graphite sensor, “Bulls Eye” Conductivity electrode, ATC, cell constant=0.530,
CON 2700
12 x 120 mm, 8-pin DIN connector, 1 m cable
2 stainless steel rings ultem-body Conductivity electrode, ATC, cell constant K=1.0, 16 x 144 mm,
CON 700
8-pin connector, 1 m cable
Order Code
Part No.
CONSEN9201D
01X244730
CONSEN9501D
01X466602
CON 2700
CON 2700
CON 700
30X544601
60X426401
60X030130
30X544601
60X426401
60X030130
page | 50
RS232 to USB cable – use with 30X427301 cable to connect 2700 to USB port of PC
100 / 240 VAC SMPS power adapter, 9 V, 6 W
100 / 240 VAC SMPS power adapter, 9 V, 6 W
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