Thermo Scientific™

Orion Star™ A122 Conductivity Portable Meter

Take simple, routine conductivity, total dissolved solids (TDS) and temperature measurements with the Thermo Scientific™ Orion™ Star A122 Conductivity Portable Meter, an easy-to-use and budget-friendly instrument for basic conductivity analysis in the field. Obtain temperature compensated readings using linear option with 20 or 25 °C reference temperatures. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments.
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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.

  • 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 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 
  • Meters offer CE, TUV 3-in-1 and FCC Class A certifications and 3-year replacement warranty

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