Lab Equipment     Water analysis meter     Conductivity
 

Conductivity

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).

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.

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. 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.

Eutech offers a wide range of conductivity meters for these various applications.

 


Horizontal or vertical flow E-Series Clean Benches

Browse by product type:
• Pocket-sized Testers• EcoScan Hand-helds• CyberScan Standards• CyberScan Waterproofs• Bench Meters•Process Instruments • Electrodes

Pocket-sized Testers


Model

Meter Highlights

Parameter

Range

Memory


Waterproof Pocket Tester Large Dual Display


Conductivity


.. to 200.00 uS/cm
.. to 2000 uS/cm
.. to 20.00 mS/cm


Yes


Waterproof Pocket Tester Large Dual Display


Conductivity


.. to 2000 uS/cm
.. to 20.00 mS/cm


Yes


Waterproof Pocket Tester Single Display


Conductivity


.. to 19.90 mS/cm


Yes


Waterproof Pocket Tester Single Display


Conductivity


.. to 1990 µS/cm


Yes

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EcoScan Hand-helds


Model

Meter Highlights

Parameter

Range

Memory


Economical
conductivity
measurement


Conductivity/
°C


.. to 199.9 mS/cm


No

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CyberScan Standard Hand-held


Model

Meter Highlights

Parameter

Range

Memory


Standard
Portable


Conductivity/
TDS/°C


.. to 199.9 mS/cm


50 data sets


Expanded memory
memory, RS232
output


Conductivity/
TDS/°C/°F


.. to 199.9 mS/cm


100 data sets

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CyberScan Waterproof Hand-helds


Model

Meter Highlights

Parameter

Range

Memory


Waterproof
Portable


Conductivity/
TDS/Salinity/
Resistivity/
°C/°F


.. to 500.0mS


500 data sets


Waterproof
Portable


Conductivity
/TDS /°C/°F


.. to 200.0mS


500 data sets


Waterproof
GLP


Conductivity /°C/°F


.. to 199.9 mS/cm


50 data sets


Waterproof
GLP


Conductivity/
TDS/°C/°F


.. to 199.9 mS/cm


50 data sets

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CyberScan Standard Bench


Model

Meter Highlights

Parameter

Range

Memory


Economical, high performance


Conductivity/
TDS/°C/°F


.. to 199.9 mS/cm


50 data sets

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CyberScan Premium Bench


Model

Meter Highlights

Parameter

Range

Memory


0.001 resolution, optimum performance


Conductivity/
TDS/Resistivity/
°C/°F


.. to 500 mS/cm


100 data sets


Windows® CE-driven
single channel colour touchscreen


Conductivity / Resistivity/ TDS / Salinity


.. to 500 mS/cm


10,000 data sets

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Process Instruments

 


Model

Meter Highlights

Parameter

Range

Controller Functions

1/8 DIN panel mount,
2 set points relays,
Easy set point adjustment and direct CAL


Conductivity/
°C


.. to 200 mS/cm


Limit Control


1/8 DIN panel mount,
2 set points relays,
Password protection for set point adjustment and calibration


Conductivity/
°C


.. to 200 mS/cm


Limit Control


2-wire transmitter, panel mount or wall mount, 'out-of-range' and 'hold' indicators


Conductivity/
°C


.. to 200 mS/cm


2-Wire Transmitter


1/4 DIN panel mount or wall-mount,
3-wire/2-wire selectable,
Symmetrical mode of operation


Conductivity/
°C


.. to 200 mS/cm


Monitor


1/4 DIN panel mount or wall mount,
2 set points relays,
Alarm with time-delay function


Conductivity/
°C


.. to 200 mS/cm


Limit Control


1/4 DIN panel mount
2 set points, 1 alarm relay


Conductivity/
°C


.. to 199.9 mS/cm


Limit or Proportional Control (Pulse Length or Pulse Frequency)


1/2 DIN wall mount
2 set points, 1 alarm and wash relay


Conductivity/
°C


.. to 1000 mS/cm


Limit, Proportional or Proportional Integral Control (Pulse Length or Pulse Frequency)

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Electrodes


Model

Conductivity
Range

Temperature Sensor

Pressure
Rating


Up to 500 mS/cm


Pt 100, 3-wire


6 bar


Up to 20 µS/cm


Pt 100, 3-wire


6 bar


Up to 20 µS/cm


Pt 100, 3-wire


6 bar


0.1 to 200 µS/cm


Pt 100, 3-wire


6 bar


Up to 100 mS/cm


Pt 100, 3-wire


6 bar

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National Direct Network Co., Ltd.
240 Soi Petchkasem 63/4 Petchkasem Road, Bangkae, Bangkae, Bangkok, Thailand 10160
Tel : 02 4444-655 Fax: 02 4444-650 email : sales@ndn.co.th