Reliable conductivity measurements in the lab and field

Measure conductivity, resistivity, total dissolved solids, and salinity with a Thermo Scientific Orion Conductivity Meter. Regular lab work is done with ease using Orion Bench Conductivity Meters, which provide reliable and accurate measurements with a variety of features to meet your requirements. For a mobile option, Orion Portable Conductivity Meters are built rugged and waterproof for dependable performance, anywhere, anytime. Take advantage of one-hand operation and easy portability for any remote application without sacrificing accuracy and the reliability of your measurements. Identify the best conductivity meter based on your required features, performance specifications, and budget below, or contact a sales representative to discuss your conductivity measurement needs.


Select your conductivity bench or portable meter

 

Premium

Advanced

Basic

 Orion Versa Star Pro Conductivity Bench Meter
(Versa Star Pro series)
Orion Pro Star EC212 Conductivity Bench Meter
(Pro Star series)
Orion Lab Star EC112 Conductivity Bench Meter
(Lab Star series)
 


 Versatile, high-performance laboratory metersEasy to use, dependable
laboratory meters
Economical, simplified
laboratory meters
Ideal applicationsPharmaceuticals,
biotechnology, industrial
Environmental, water/ wastewater, food & beverage, industrialAcademic,
environmental, power
Conductivity range0.001 μS/cm to 3000 mS/cm  0.010 μS/cm to 3000 mS/cm0.00 µS/cm to 500 mS/cm
Conductivity calibration pointsUp to 6Up to 5Up to 5
Temperature compensationLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear
Reference temperature5, 10, 15, 20 or 25°C   5, 10, 15, 20, 25 or 30°C   20 or 25°C   
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity
Temperature range-5 to 105°C
23 to 221°F
-30 to 130°C
-22 to 266°F
-5 to 105°C
23 to 221°F
Number of channels4, customizable with modules11
Stirrer probe inputs21
Display5.3-inch, backlit color display7-inch, high-resolution,
backlit color display
5-inch, backlit segmented display
TouchscreenNoYesNo
Onscreen text promptsStep-by-step calibration and guided setup instructionsStep-by-step calibration and
guided setup instructions
Basic calibration and
setup instructions
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user ID
Data log2000 with date/time10000 with date/time500 with date/time
Calibration log30 per parameter20 per parameter
Data export optionsComputer, printerComputer, printer, USB flash driveComputer, printer
Power supplyUniversal, 100–240 VAC, 50-60 Hz (Cat. No. STARA-PWR)Universal, 100-240 VAC, 50-60 Hz (Cat. No. PSTAR-PWR),
9 DC adapter, 2.0A
Universal, 100-240 VAC, 50-60 Hz (Cat. No. LSTAR-PWR),
9 DC adapter, 1.3A
 

Premium

Advanced

Basic

 Orion Star A322 Conductivity
Portable Meters

(STARA3220 series)
Orion Star A222 Conductivity
Portable Meters

(STARA2220 series)
Orion Star A122 Conductivity
Portable Meters

(STARA1220 series)
 Premium portable conductivity measurement metersAdvanced portable conductivity measurement metersBasic portable conductivity measurement meters
 Field metersEasy to use, dependable field metersBudget-friendly, simplified field meters
 Contract testing, environmental, food and beverage, industrialContract testing, environmental, food and beverage, industrialEducation, environmental
Range (conductivity)0.001 μS to 3000 mS0.001 μS to 3000 mS0.01 μS/cm to 200.0 mS/cm
 0.001 μS minimum, auto ranging, up to 4 significant digits0.001 μS minimum, auto ranging, up to 4 significant digits 
Relative accuracy (conductivity)0.5% of reading ±1 digit > 3 μS, 0.5% of reading ±0.01 μS ≤ 3 μS0.5% of reading ±1 digit > 3 μS, 0.5% of reading ±0.01 μS ≤ 3 μS0.5% reading ±1 digit
Calibration pointsUp to 5 pointsUp to 5 points1
Range (resistivity)2 ohm to 100 meg-ohm/cm2 ohm to 100 meg-ohm/cm--
Type (salinity)Practical salinity or natural sea waterPractical salinity--
Range (salinity)0.06 to 80.00 psu, 0.05 to 42.00 ppt0.06 to 80.00 psu--
Range (TDS)0.001 to 200.0 ppt0.001 to 200.0 ppt0 to 19999 mg/L
Range (temperature) -5 to 105ºC, 23 to 221ºF-5 to 105ºC, 23 to 221ºF-5 to 105ºC, 23 to 221ºF
Number of datalogs5000 with time and date stamp1000 with time and date stamp50
Data export optionsRS232, USBRS232, USB--
AC adapterOptional—universal, 100–240 VACOptional—universal, 100–240 VACOptional—universal, 100–240 VAC
Battery powerincluded—(4) AAincluded—(4) AAincluded—(4) AA
Battery life800 hrs800 hrs2,000 hrs
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

Advanced

Basic

 Eutech CON2700 Conductivity Bench MeterEutech 1720 Conductivity Bench Meter
 
 Economical, routine laboratory metersBudget-friendly, simple laboratory meters
Conductivity range0.050 μS to 500.0 mS0.00 µS/cm to 500 mS/cm
Conductivity calibration pointsUp to 5Up to 5
Temp compensationLinear, pure waterLinear
Reference temperature15.0 to 30.0 °C15.0, 20.0, 25.0 or 30.0 °C
Additional modesTDS, salinity, resistivityTDS, salinity
Temperature range0.0 to 100.0 °C, 32.0 to 212.0 °F-5.0 to 105.0 °C
Backlit displayYesYes
Number of channels11
Stirrer probe inputs11
Data log500 with date/time500 with date/time
Calibration logMost recent viewable on meter and stored in meter memoryMost recent stored in meter memory
Data export optionsRS232Computer or printer
Power supplyUniversal, 100-240VAC, 50/60 Hz, Cat. No. 60X426401Universal, 100–240VAC, 50–60 Hz (Cat. No. EB1700PWR), 9 DC adapter, 1.3A

Watch video and learn more

Features & Benefits of the Eutech 1720 Conductivity Bench Meter

 

Premium

Advanced

Advanced

Basic

Basic

 Eutech CON 450 Portable Conductivity MetersEutech COND 610 Portable Conductivity MetersEutech CON 150 Portable Conductivity MetersEutech COND 6+ Portable Conductivity MetersEutech TDS 6+ Portable Conductivity Meters
 
Range (conductivity)0 to 200 ms/cm.. to 2.000 μS
2.000 to 300.0 μS 300.0 μS to 4.000 mS 4.000 to 40.00 mS 40.00 to 500.0 mS
0 to 200 ms/cm.. to 199.9 mS---
Resolution (conductivity)0.01 µS to 0.1 ms/cm0.01 μS / 0.1 μS / 0.001 mS /0.01 µS to 0.1 ms/cm0.05 % full scale---
Relative accuracy (conductivity)±1 % full scale±1 % full scale + 1 LSD±1 % full scale±1 % full scale + 1 LSD---
Calibration points (conductivity)Auto/manual; 1 point/rangeUp to 5Auto/manual; 1 point/rangeUp to 5Up to 5
Range (restivity)---2.000 to 25.00 Ω
25.00 to 250.0 Ω
250.0 to 3.333 kΩ 3.333 to 500.0 kΩ 500.0 kΩ to 20.00 MΩ
---------
Range (salinity)0 to 50 ppt.. to 0.770 ppm
0.770 to 143.3 ppm 143.3 ppm to
2.138 ppt
2.138 to 23.64 ppt 23.64 to 80.00 ppt
---------
Type (salinity)Practical salinityPractical salinity---------
Range (TDS)0 to 200 ppt (TDS factor 1.0).. to 2.000 ppm
2.000 to 300.0 ppm 300.0 ppm to
4.000 ppt
4.000 to 40.00 ppt 40.00 to 500.0 ppt
0 to 200 ppt (TDS factor 1.0)---.. to 9.99 ppm
Range (temperature)-10.0 to 110.0 ºC (14.0 to 230.0 ºF)-10.0 to 110.0 °C (14.0 to 230.0 °F)-10.0 to 110.0 ºC (14.0 to 230.0 ºF)0.0 to 100.0 ºC / 32.0 to 212 ºF0.0 to 100.0 ºC / 32.0 to 212 ºF
Number of datalogs500 with time and date stamp500 with time and date stamp150------
Data export optionsUSB or RS232RS232C through LED, IrDA---------
AC adapter9 V DC adapter, 1.3 A (100/240 VAC, SMPS) (optional)9 V DC adapter (500 mA)9 V DC adapter, 1.3 A (100/240 VAC, SMPS) (optional)------
Battery powerIncluded—(2) AAIncluded—(4) AAIncluded—(2) AA4 x AAA batteries4 x AAA batteries
 

Premium

Advanced

Basic

 Orion Versa Star Pro Conductivity Bench Meter
(Versa Star Pro series)
Orion Pro Star EC212 Conductivity Bench Meter
(Pro Star series)
Orion Lab Star EC112 Conductivity Bench Meter
(Lab Star series)
 


 Versatile, high-performance laboratory metersEasy to use, dependable
laboratory meters
Economical, simplified
laboratory meters
Ideal applicationsPharmaceuticals,
biotechnology, industrial
Environmental, water/ wastewater, food & beverage, industrialAcademic,
environmental, power
Conductivity range0.001 μS/cm to 3000 mS/cm  0.010 μS/cm to 3000 mS/cm0.00 µS/cm to 500 mS/cm
Conductivity calibration pointsUp to 6Up to 5Up to 5
Temperature compensationLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear
Reference temperature5, 10, 15, 20 or 25°C   5, 10, 15, 20, 25 or 30°C   20 or 25°C   
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity
Temperature range-5 to 105°C
23 to 221°F
-30 to 130°C
-22 to 266°F
-5 to 105°C
23 to 221°F
Number of channels4, customizable with modules11
Stirrer probe inputs21
Display5.3-inch, backlit color display7-inch, high-resolution,
backlit color display
5-inch, backlit segmented display
TouchscreenNoYesNo
Onscreen text promptsStep-by-step calibration and guided setup instructionsStep-by-step calibration and
guided setup instructions
Basic calibration and
setup instructions
Identification optionsElectrode ID, sample ID, user IDElectrode ID, sample ID, user ID
Data log2000 with date/time10000 with date/time500 with date/time
Calibration log30 per parameter20 per parameter
Data export optionsComputer, printerComputer, printer, USB flash driveComputer, printer
Power supplyUniversal, 100–240 VAC, 50-60 Hz (Cat. No. STARA-PWR)Universal, 100-240 VAC, 50-60 Hz (Cat. No. PSTAR-PWR),
9 DC adapter, 2.0A
Universal, 100-240 VAC, 50-60 Hz (Cat. No. LSTAR-PWR),
9 DC adapter, 1.3A
 

Premium

Advanced

Basic

 Orion Star A322 Conductivity
Portable Meters

(STARA3220 series)
Orion Star A222 Conductivity
Portable Meters

(STARA2220 series)
Orion Star A122 Conductivity
Portable Meters

(STARA1220 series)
 Premium portable conductivity measurement metersAdvanced portable conductivity measurement metersBasic portable conductivity measurement meters
 Field metersEasy to use, dependable field metersBudget-friendly, simplified field meters
 Contract testing, environmental, food and beverage, industrialContract testing, environmental, food and beverage, industrialEducation, environmental
Range (conductivity)0.001 μS to 3000 mS0.001 μS to 3000 mS0.01 μS/cm to 200.0 mS/cm
 0.001 μS minimum, auto ranging, up to 4 significant digits0.001 μS minimum, auto ranging, up to 4 significant digits 
Relative accuracy (conductivity)0.5% of reading ±1 digit > 3 μS, 0.5% of reading ±0.01 μS ≤ 3 μS0.5% of reading ±1 digit > 3 μS, 0.5% of reading ±0.01 μS ≤ 3 μS0.5% reading ±1 digit
Calibration pointsUp to 5 pointsUp to 5 points1
Range (resistivity)2 ohm to 100 meg-ohm/cm2 ohm to 100 meg-ohm/cm--
Type (salinity)Practical salinity or natural sea waterPractical salinity--
Range (salinity)0.06 to 80.00 psu, 0.05 to 42.00 ppt0.06 to 80.00 psu--
Range (TDS)0.001 to 200.0 ppt0.001 to 200.0 ppt0 to 19999 mg/L
Range (temperature) -5 to 105ºC, 23 to 221ºF-5 to 105ºC, 23 to 221ºF-5 to 105ºC, 23 to 221ºF
Number of datalogs5000 with time and date stamp1000 with time and date stamp50
Data export optionsRS232, USBRS232, USB--
AC adapterOptional—universal, 100–240 VACOptional—universal, 100–240 VACOptional—universal, 100–240 VAC
Battery powerincluded—(4) AAincluded—(4) AAincluded—(4) AA
Battery life800 hrs800 hrs2,000 hrs
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

Advanced

Basic

 Eutech CON2700 Conductivity Bench MeterEutech 1720 Conductivity Bench Meter
 
 Economical, routine laboratory metersBudget-friendly, simple laboratory meters
Conductivity range0.050 μS to 500.0 mS0.00 µS/cm to 500 mS/cm
Conductivity calibration pointsUp to 5Up to 5
Temp compensationLinear, pure waterLinear
Reference temperature15.0 to 30.0 °C15.0, 20.0, 25.0 or 30.0 °C
Additional modesTDS, salinity, resistivityTDS, salinity
Temperature range0.0 to 100.0 °C, 32.0 to 212.0 °F-5.0 to 105.0 °C
Backlit displayYesYes
Number of channels11
Stirrer probe inputs11
Data log500 with date/time500 with date/time
Calibration logMost recent viewable on meter and stored in meter memoryMost recent stored in meter memory
Data export optionsRS232Computer or printer
Power supplyUniversal, 100-240VAC, 50/60 Hz, Cat. No. 60X426401Universal, 100–240VAC, 50–60 Hz (Cat. No. EB1700PWR), 9 DC adapter, 1.3A

Watch video and learn more

Features & Benefits of the Eutech 1720 Conductivity Bench Meter

 

Premium

Advanced

Advanced

Basic

Basic

 Eutech CON 450 Portable Conductivity MetersEutech COND 610 Portable Conductivity MetersEutech CON 150 Portable Conductivity MetersEutech COND 6+ Portable Conductivity MetersEutech TDS 6+ Portable Conductivity Meters
 
Range (conductivity)0 to 200 ms/cm.. to 2.000 μS
2.000 to 300.0 μS 300.0 μS to 4.000 mS 4.000 to 40.00 mS 40.00 to 500.0 mS
0 to 200 ms/cm.. to 199.9 mS---
Resolution (conductivity)0.01 µS to 0.1 ms/cm0.01 μS / 0.1 μS / 0.001 mS /0.01 µS to 0.1 ms/cm0.05 % full scale---
Relative accuracy (conductivity)±1 % full scale±1 % full scale + 1 LSD±1 % full scale±1 % full scale + 1 LSD---
Calibration points (conductivity)Auto/manual; 1 point/rangeUp to 5Auto/manual; 1 point/rangeUp to 5Up to 5
Range (restivity)---2.000 to 25.00 Ω
25.00 to 250.0 Ω
250.0 to 3.333 kΩ 3.333 to 500.0 kΩ 500.0 kΩ to 20.00 MΩ
---------
Range (salinity)0 to 50 ppt.. to 0.770 ppm
0.770 to 143.3 ppm 143.3 ppm to
2.138 ppt
2.138 to 23.64 ppt 23.64 to 80.00 ppt
---------
Type (salinity)Practical salinityPractical salinity---------
Range (TDS)0 to 200 ppt (TDS factor 1.0).. to 2.000 ppm
2.000 to 300.0 ppm 300.0 ppm to
4.000 ppt
4.000 to 40.00 ppt 40.00 to 500.0 ppt
0 to 200 ppt (TDS factor 1.0)---.. to 9.99 ppm
Range (temperature)-10.0 to 110.0 ºC (14.0 to 230.0 ºF)-10.0 to 110.0 °C (14.0 to 230.0 °F)-10.0 to 110.0 ºC (14.0 to 230.0 ºF)0.0 to 100.0 ºC / 32.0 to 212 ºF0.0 to 100.0 ºC / 32.0 to 212 ºF
Number of datalogs500 with time and date stamp500 with time and date stamp150------
Data export optionsUSB or RS232RS232C through LED, IrDA---------
AC adapter9 V DC adapter, 1.3 A (100/240 VAC, SMPS) (optional)9 V DC adapter (500 mA)9 V DC adapter, 1.3 A (100/240 VAC, SMPS) (optional)------
Battery powerIncluded—(2) AAIncluded—(4) AAIncluded—(2) AA4 x AAA batteries4 x AAA batteries

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Meter Accessories

find the right benchtop meter for your pH and ORP measurement needs

Shop our comprehensive range of meter accessories designed to boost productivity, safeguard your investment and ensure optimal performance. Our assortment of accessories for bench and portable meters helps streamline your workflow while enhancing your user experience.

Electrodes and Probes

Electrodes, probes, and sensors for use with conductivity meters

Obtain accurate results with electrodes and probes developed to support the requirements of your sample testing. Choose from a wide variety of parameters, body materials, body styles, fill types, reference systems, junctions and more to meet the needs of your application.

Standards and Solutions

Orion standards and solutions

Ensure the reliability of your measurements with our premium standards and solutions. Our high-quality calibration and maintenance solutions are essential for precise and consistent results. Shop a variety of standards, electrode filling solutions, electrode storage solutions and more.


Orion Lab Star EC112 Conductivity Bench Meter

The Thermo Scientific Orion Lab Star EC112 Conductivity Bench Meter is ideally suited for laboratories with users of varying levels of technical expertise and who require a simple-to-calibrate and use meter for routine conductivity, salinity and TDS testing. Watch this video to explore the features available with the Orion Lab Star Conductivity Bench Meter.

Support

Validation and qualification (IQ/OQ) services for Thermo Scientific Orion bench and portable meters are currently available through Unity Lab Services in the United States ›

Knowledge Base: Certificates of Analysis and SDS for Orion, ROSS, AQUAfast, AquaMate, and AquaSensors products.

Orion Meters Software and Upgrades
Thermo Scientific Orion benchtop and portable meters are designed to help deliver accurate, consistent results, day after day. Boost productivity by upgrading your software today.

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Style Sheet for Global Design System
Style Sheet for Global Design System