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Thermo Scientific Orion

Orion Star A222 Conductivity Portable Meter

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Get the readings that you need where you need them with the Thermo Scientific Orion Star A222 Conductivity Portable Meter. The large, backlit graphic LCD display shows conductivity/ TDS/salinity/resistivity and temperature along with electrode status, time, date and calibration points.

  • Anyone can use this meter with its plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese
  • Don’t miss a reading – AUTO-READ™ locks in the stable reading on your screen and ready indicator alerts when readings are stable
  • Selectable cell constant allows for use with 2- or 4-cell conductivity cells
  • Selectable reading reference temperatures of 15, 20 or 25 °C with linear or non-linear curve options
  • Includes the standard practical salinity curve for salinity readings
  • Linear or ISO/EN 27888 curves for TDS
  • Non-volatile memory holds up to 1000 data points with time and date stamp
  • Easily transfer data and keep meter software up-to-date with the USB and RS232 ports and complimentary data analysis software
  • Four AA batteries (included) provide over 800 hours of operation or purchase the universal power adapter (sold separately) to use AC power
  • Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
  • 3 year manufacturer's meter replacement warranty
Range0.001 µS to 3000 mS
Resolution0.001 µS minimum; 4 significant figures minimum
Reference Temperature15, 20, 25 °C
Temperature CompensationLinear (0 to 10.0 %/ºC), nLn
Compatible Cell Constants0.001 to 199.9
Calibration PointsUp to 5 points
Range2 ohm to 100 meg-ohm
Resolution2 ohms-cm
Relative Accuracy0.5 % reading ±1 digit
TypePractical salinity
Range0.01 to 80.0 ppt NaCl equivalent; 0.01 to 42 ppt practical salinity
Relative Accuracy±0.1
Range1 to 200 ppt
Resolution4 significant digits
Relative Accuracy±0.5 % reading ±1 digit
TDS Factor RangeLinear 0.01 to 10.00
Range-5 to 105 °C, 23 to 221 ºF
Relative Accuracy±0.1
Offset Calibration1 point
Number of Points1000 with time and date stamp
Log FunctionManual, Automatic with AUTO-READ™
Log EditDelete last reading or all
Conductivity with Temperature Probe8-pin mini-DIN
RS232, USB
AC AdapterOptional – universal, 100-240 VAC
Battery PowerIncluded – 4 AAs
Battery Life800 hrs

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Product Detail
Thomas No.
Mfr. No.
Star A222 Conductivity Hand-Held Meter
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Thomas No.
Mfr. No.
Star A222 Conductivity Hand-Held Meter; 013010MD DuraProbe Epoxy 4-Cell (K=0.475) Conductivity Cell with 3 Meter Cable; 01100710 Conductivity 1413uS/cm Standard Pouches; 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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