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Conductivity meter, handheld, Orion Star™ A222

Supplier: Thermo Scientific
Orion Star™
This portable conductivity meter is ideal for a wide range of applications and advanced conductivity analysis in the field. The meter is suitable for use in the most demanding locations thanks to its IP67-rated housing.

  • Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
  • 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

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, 20 or 25 °C reference temperatures.



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Description Pk VWR Catalog Number Quantity
Handheld conductivity meter Orion Star A222, instrument alone 1 663-0214
Handheld conductivity meter Orion Star A222, kit incl. conductivity cell and hard carrying case 1 663-0215
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Model A222
Conductivity range 0,001 µS/cm - 3000 mS/cm
Conductivity resolution 0,001 μS minimum, auto ranging, up to 4 significant digits
Conductivity accuracy 0,5 of reading ±1 digit > 3 μS / 0,5% of reading ±0,01 μS ≤ 3 μS
Conductivity cell constant 0,001...199,9 cm-1
Conductivity calibration Up to 5 points
Resistivity range 2 Ω/cm - 100 MΩ/cm
Resistivity resolution 1 Ω or 0,1 MΩ, auto ranging
Resistivity accuracy 0,5% of reading ±1 digit
Salinity range 0,06 - 80,00 psu
Salinity resolution 0,01 psu minimum, auto ranging
Salinity accuracy 0,5% of reading ±1 digit
TDS range 0,001 - 200,0 ppm
TDS resolution 0,001 ppm minimum, auto ranging, up to 4 significant digits
TDS accuracy 0,5% of reading ±1 digit
Temperature range (°C) –5,0...+105,0
Temperature resolution (°C) 0,1
Temperature accuracy (°C) ±0,1
Temperature compensation Linear (0 to 10,0%/ºC), non linear nLFn, off
Reference temperature 15 / 20 / 25 °C
Display Graphic LCD with backlight
Data logging capacity 1000 with date and time stamp
Data logging - log function Manual / Automatic with AUTO-READ™
Connections 8-pin mini-DIN
Outputs RS232, USB
Power supply AC adapter (not included) or 4 AA batteries (included)
W×D×H (mm) 240×100×65
Weight (kg) 0,5
Compliance IP 67


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Description For Pk VWR Catalog Number Quantity
RS232 cable, for connecting a meter to a PC or printer Orion™ Versa Star, Orion™ Star A series (A320, A220 + A210 series), Orion™ Dual Star benchtop meters, Orion 3-Star, 4-Star and 5-Star meters 1 ORIO1010053
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These terms and conditions cover all sales of products and services by VWR Lab Products Private Limited(VWR) in India and any information and advice given whether charged for or not. No variation in these terms and conditions will apply unless agreed by VWR in writing. Orders are accepted only on the condition that no conditions of purchase shall apply. 


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