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Thermo Scientific Orion

Orion Star A122 Conductivity Portable Meter

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Thermo Scientific Orion Star A122 Conductivity Portable Meters combine simplicity with accuracy. A large LCD displays conductivity or TDS readings along with temperature. Icons provide quick updates on battery life and completed calibration status. Simple button layout and onscreen messages help with calibration and setup menu choices.

  • Large, informative screen clearly shows the main information, including conductivity or TDS reading, temperature in ºC or ºF, meter mode and battery life
  • Don’t miss a reading – AUTOREAD ™ locks in the stable reading on your screen and ready indicator alerts when readings are stable
  • Selectable cell constant
  • Manual calibration or automatic calibration when using a Thermo Scientific Orion conductivity standard (sold separately)
  • Selectable reading reference temperatures of 20 °C or 25 °C for an accurate result
  • Non-volatile memory holds up to 50 data points
  • Four AA batteries (included) provide over 2000 hours of operation or purchase the universal power adapter (sold separately) to run meter on AC power
  • Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
  • 3 year meter manufacturer's replacement warranty
Range0.1 µS/cm to 200 mS/cm
Temperature Set Point0.1 µS/cm to 200 mS/cm
Resolution0.01 µS minimum; 3 significant figures minimum
Relative Accuracy0.5 % reading ±1 digit
Reference Temperature20, 25 °C (default)
Temperature CompensationLinear (0.0 to 10.0 %/ºC)
Compatible Cell Constants0.001 to 10
Number of Calibration Points1
Range1 to 19,999 mg/L
Resolution4 significant digits
Relative Accuracy0.5 % reading ±1 digit
TDS Factor RangeLinear 0.01 to 10.00, default 0.49
Range-5 to 105 °C, 23 to 221 ºF
Relative Accuracy±0.1
Temperature Offset CalibrationYes
Number of Points50
Log Functionwith AUTO-READ™
Log EditDelete last reading or all
Conductivity8-pin mini-DIN
AC AdapterOptional – universal, 100-240 VAC
Battery PowerIncluded – 4 AAs
Battery Life2000 hrs

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Thomas No.
Mfr. No.
Star A122 Conductivity Hand-Held Meter with Electrode Stand
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Thomas No.
Mfr. No.
Star A122 Conductivity Hand-Held Meter with Electrode Stand; 011050MD Epoxy 2-Cell (K=1.0) Conductivity Cell with 1.5 Meter Cable; 011007 Conductivity 1413uS/cm Standard, 5x60mL; 911110 Rinse Solution Pouches; STARA-CS Star A Hand-Held Meter Hard Carrying Case; STARA-AR Star A Hand-Held Meter Armor with Stand and Electrode Holders
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