Conductivity Meters

Conductivity testing in the lab and in the field

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.

Available Conductivity Meters

 

Premium

Advanced

Basic

 Orion Versa Star ProConductivity Bench Meters
(VSTAR20 series)
Orion Star A212 Conductivity Bench Meters
(Star A210 series)
Orion Lab Star EC112 Conductivity Bench Meters
(Lab Star series)
 Premium conductivity benchtop metersAdvanced conductivity benchtop meters
 Versatile, high-performance laboratory measurement systemEasy to use, dependable laboratory metersEconomical, simplified laboratory meters
Ideal for
applications in:
Pharmaceuticals, biotechnology, food and beverage, industrialWater, wastewater, chemical contract testingAcademic, environmental, power
Conductivity range0.001 µS to 3000 mS0.001 µS to 3000 mS0.00 µS/cm to 500 mS/cm
Conductivity cal. pointsUp to 6Up to 5Up to 5
Temp. compensationLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear
Reference temperature5, 10, 15, 20, or 25°C5, 10, 15, 20, or 25°C20 or 25°C
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity
Temperature Range

-5 to 105°C
22 to 221°F

 

-5 to 105°C
23 to 221°F
-5 to 105°C
23 to 221°F
Backlit displayYesYesYes
Number of channels4, customizable with modules11
Stirrer probe inputs21---
Data log2000 with date/time2000 with date/time500 with date/time
Calibration log30 per mode101
Identification optionsElectrode ID, sample ID, user IDSample ID, user ID---
Data export optionsComputer or printerComputer or printerComputer or printer
Power SupplyUniversal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteriesUniversal, 100–240VAC, 50–60Hz (Cat. No. LSTAR-PWR), 9 DC adapter, 1.3A
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

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 ›
 

Premium

Advanced

Basic

 Orion Versa Star ProConductivity Bench Meters
(VSTAR20 series)
Orion Star A212 Conductivity Bench Meters
(Star A210 series)
Orion Lab Star EC112 Conductivity Bench Meters
(Lab Star series)
 Premium conductivity benchtop metersAdvanced conductivity benchtop meters
 Versatile, high-performance laboratory measurement systemEasy to use, dependable laboratory metersEconomical, simplified laboratory meters
Ideal for
applications in:
Pharmaceuticals, biotechnology, food and beverage, industrialWater, wastewater, chemical contract testingAcademic, environmental, power
Conductivity range0.001 µS to 3000 mS0.001 µS to 3000 mS0.00 µS/cm to 500 mS/cm
Conductivity cal. pointsUp to 6Up to 5Up to 5
Temp. compensationLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear, nonlinear (nLFn, nLFu), EP/USP, offLinear
Reference temperature5, 10, 15, 20, or 25°C5, 10, 15, 20, or 25°C20 or 25°C
Additional modesTDS, salinity, resistivityTDS, salinity, resistivityTDS, salinity
Temperature Range

-5 to 105°C
22 to 221°F

 

-5 to 105°C
23 to 221°F
-5 to 105°C
23 to 221°F
Backlit displayYesYesYes
Number of channels4, customizable with modules11
Stirrer probe inputs21---
Data log2000 with date/time2000 with date/time500 with date/time
Calibration log30 per mode101
Identification optionsElectrode ID, sample ID, user IDSample ID, user ID---
Data export optionsComputer or printerComputer or printerComputer or printer
Power SupplyUniversal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR)Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteriesUniversal, 100–240VAC, 50–60Hz (Cat. No. LSTAR-PWR), 9 DC adapter, 1.3A
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›
 

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 ›

Explore versatile meters that combine testing capabilities

conductivity-meters

Measure pH, ion concentration, conductivity, dissolved oxygen, and temperature with a single, powerful meter. Our bench and portable multiparameter meters are designed to increase your productivity in the lab and in the field.

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Meter accessories

Bench meter and portable meter accessories make help protect you and your instruments by simplifying repetitive tasks and providing secure storage and transportation.

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pH-meters-accessories

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.


Complete your conductivity measurements faster

We offer buffers, electrode storage solutions, electrode cleaning solutions, lab buffer kits, and electrode filling solutions for your conductivity measurement needs.

 
Quick and budget-friendly on-the-go electrochemical testing solution that fits in your palm or pocket. 


Quality pH electrodes, standards and solutions are available for a variety of body materials, body styles, fill types, references styles, and functions to meet your needs.

Support

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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