Our Benchtop and Portable Conductivity | TDS | Resistivity | Salinity Meters, Conductivity Probes, Conductivity Cells, and Conductivity Standards are designed to offer maximum repeatability and accuracy in your conductivity readings.

Orion™ Versa Star Pro™ Conductivity Benchtop Meter

Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Conductivity Benchtop Meter. Meet your most challenging applications for conductivity, total dissolved solids (TDS), salinity, resistivity and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Obtain reliable, fast results with auto-ranging conductivity values and extensive temperature compensation options. Log up to 2000 data point sets with time/date and transfer to printer or computer.

Features
  • Onscreen measurement stability indicator lets you know exactly when your measurements are ready.
  • Selectable read modes include Auto-Read to hold a stable reading, Continuous to show changing readings, Timed to log data at specific intervals and Single-Shot to hold a reading after a specific wait time is reached.
  • Audible alarms automatically notify you when a set offset value, high/low limit value and calibration time interval are reached.
  • Easily access, update and switch your preferred measurement settings, using 10 password-protected methods per channel.
  • Uniformly mix solutions using up to two meter-controlled stirrer probes that are easy to position and can be quickly rinsed between samples.
  • Data log collects and date/time stamps up to 2000 measurement sets with optional electrode ID, sample ID and account ID.
  • Calibration log stores 30 most recent calibrations per parameter.
  • Ensure measurement integrity by viewing the active calibration log while taking readings.
  • Non-volatile meter memory preserves data and settings, even in the event of power loss.
  • Meter facilitates data transfers to a computer via USB or RS232 connections.
  • IP54-rated housing resists dust and splashes and can be wall-mounted if table space is limited.

Orion™ Pro Star EC212 Conductivity Bench Meter with Stand

Designed to provide accurate and reliable conductivity, TDS, salinity, resistivity and temperature analysis, the Orion Pro Star EC212 bench meter is well suited for laboratories that desire a modern meter with advance performance. Featuring a 7-in., high-resolution color display with responsive capacitive touchscreen, the Orion Pro Star meter focuses on ensuring an easy to use, innovative meter for your testing needs. The Orion Pro Star meter offers onscreen guidance with step-by-step instructions and supports GLP compliance with date and time stamped calibration logs and data logs.

Features
  • Large 7-in., high-resolution color display
  • Responsive touchscreen operable with gloves
  • Angled display to help ensure ergonomic viewing
  • Streamlined, easy to operate user interface
  • Vertical meter orientation helps optimize bench space
  • Supports GLP compliance
  • Stores 20 calibration logs per parameter with date and time
  • Stores 10,000 data log sets with date and time
  • Outputs to a printer, computer, or USB flash drive for long-term data retention
  • Inputs sample ID with optional USB barcode scanner, USB keyboard or USB mouse
  • Stirs samples with meter-controlled and meter-powered stirrer probe

Orion Lab Star EC112 Conductivity Bench Meters

Measure conductivity, salinity or total dissolved solids with temperature using the Orion Lab Star EC112 conductivity bench meter. Featuring a large, backlit display for easy viewability and small footprint to save space, this meter is ideal for simplified, budget-friendly lab testing. Use the onscreen stabilizing and ready indicators to help identify when conductivity meter, salinity meter and TDS meter readings are complete. View active calibration logs with date and time, record key measurements using the 500-point data log with date and time, and output all logs to a printer or computer.

Features
  • Budget-friendly conductivity meter for simplified conductivity, salinity and TDS testing
  • Display shows conductivity, cell constant, temperature and temperature coefficient simultaneously for accurate data recording
  • Measure 0.00 μS to 500.0 mS conductivity, 0.00 to 80.0 ppt or 0.00 to 42.0 PSU salinity, 0.00 ppm to 500.0 ppt TDS and -5.0 to 105.0 °C or 23.0 to 221.0 °F to ensure comprehensive measurement capabilities
  • Perform one to five point conductivity and TDS calibrations, one point salinity calibrations and one point temperature adjustment calibrations for proficient SOP compliance
  • Large 5 inch backlit display makes viewing and recording measurements easy
  • Small meter footprint saves valuable bench space in your lab
  • Onscreen stabilizing and ready indicators help identify when readings are complete
  • Date and time data stamped data and calibration logs support GLP compliance
  • View active conductivity, salinity, TDS and temperature calibration logs with date and time stamp to ensure accurate, reproducible measurements
  • Use 500-point data log with date and time stamp to record key measurements
  • Output data and calibration logs to a printer or computer for long-term data storage

Portable Conductivity Meters

Orion Star™ A122 Conductivity Portable Meter

Thermo Scientific Orion Star A122 conductivity portable meters are a simple, economical solution for your routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes and measurement stability indicator, our basic Orion Star A122 conductivity meters are designed to deliver measurements you can trust at an affordable price

Features
  • Measure conductivity or TDS with temperature
  • Perform a one point automatic or manual calibration
  • Auto-ranging conductivity values offer consistent readings across entire measurement range
  • Use linear temperature compensation with 20°C or 25°C reference temperatures
  • Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon
  • User-friendly operation with basic calibration text prompts
  • Easily recall calibration data for procedure checks
  • Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
  • Flexible power options with AA batteries or optional universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand

Orion Star™ A222 Conductivity Portable Meter

Don't leave your measurements to chance when analyzing samples outside the lab. Orion Star A222 conductivity portable meters are designed to offer the reliability you need in a user-friendly package for your dedicated conductivity testing needs. This waterproof portable meter displays critical data with your measurement including temperature, date and time, read type, measurement stability, active calibration info and power source status.

Features
  • Measure conductivity, TDS, salinity or resistivity with temperature
  • Perform up to a five point conductivity calibration
  • Auto-ranging conductivity values offer consistent readings across entire measurement range without need to recalibrate
  • Use linear, non-linear or off conductivity temperature compensation with 15°C, 20°C or 25°C reference temperatures
  • Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
  • Capture your critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading and Continuous shows changing readings with hold option
  • Data log collects and date/time stamps up to 1000 measurement sets
  • Non-volatile meter memory ensures your data and settings are protected, even with loss of power
  • Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
  • Flexible power options with AA batteries or universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand

Orion Star™ A322 Conductivity Portable Meter

Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion Star™ A322 Conductivity Portable Meter. This instrument is designed for a wide range of conductivity, total dissolved solids (TDS), salinity, resistivity and temperature testing and field applications. Evaluate samples in the most demanding locations using this waterproof meter with IP67-rated housing. Select linear, non-linear pure water or EP temperature compensation with 5°C, 10°C, 15°C, 20°C or 25°C reference temperatures.

Features
  • Measure conductivity, TDS, salinity or resistivity with temperature
  • Perform up to a five point conductivity calibration with calibration editing option that allows individual points to be fixed without a full recalibration
  • Auto-ranging conductivity values offer consistent readings across entire measurement range without need to recalibrate
  • Use linear, non-linear, EP (USP) or off conductivity temperature compensation with 5°C, 10°C, 15°C, 20°C or 25°C reference temperatures
  • Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
  • Capture your critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading, Continuous shows changing readings with hold option and Timed logs data at specific intervals
  • Data log collects and date/time stamps up to 5000 measurement sets with optional sample ID and user ID
  • Calibration log stores ten most recent calibrations
  • Non-volatile meter memory ensures your data and settings are protected, even with loss of power
  • Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
  • Flexible power options with AA batteries or optional universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand