Starting at
$545.00
$468.70

Availability

Usually ships in 2-3 weeks. Call for expedite options [?]

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Features

  • Up to 5 point pH calibration
  • Automatic recognition for USA/NIST and DIN buffers
  • Non-volatile memory holds up to 1000 data points with time and date stamp
  • 3 year meter replacement warranty
  • USB and RS232 ports
  • pH:
    • Range -2.000 to 20.000
    • Resolution 0.1, 0.01, 0.001
    • Relative Accuracy ±0.002
    • Calibration Points Up to 5
    • Calibration Editing (benchtop)

The Thermo Scientific Orion STAR A211 pH Benchtop Meter is the ideal choice for any lab. Get the information you need quickly and easily from the large, backlit graphic LCD display. The informative display shows pH/mV/RmV and temperature along with electrode status, time, date, sample ID, user ID and calibration points. For advanced users, features such as stability and averaging choices provide additional options.

The Get the readings that you need where you need them with the Thermo Scientific Orion Star A221 pH Portable Meter. The large, backlit graphic LCD display shows pH/mV/RmV and temperature along with electrode status, time, date and calibration points.

Both the benchtop and portable versions have plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese. The AUTO-READ™ feature locks in the stable reading on your screen and the ready indicator alerts when readings are stable.

The STAR A211 pH Benchtop Meter is capable of fixing calibration errors without a complete recalibration with calibration editing and can mix samples without a stir plate. It also works with most AC power sources with the included universal adapter. You can also use four AA batteries (sold separately) to run the meter on DC power. The units housing is IP54-rated and handles splashes and is wall-mountable if table space is a problem.

The STAR A221 pH Portable Meter includes four AA batteries that provide 800 hours of operation. The unit can also run on a universal power adapter which is sold separately. The STARA221 is perfectly portable, waterproof and protected by a IP67-rated housing.

The Orion STAR A211 pH Benchtop Meter ships complete with:

  • Electrode arm with redesigned holder
  • Universal power adapter

The Orion STAR A211 pH Benchtop Meter Kit ships complete with:

  • 8302BNUMD Orion ROSS Triode 3-in-1 pH/ATC probe
  • 810199 ROSS solution kit (475 mL each of pH 4, 7 and 10 buffers; storage solution; cleaning solution; and pH electrode storage bottle)
  • Electrode arm with redesigned holder
  • Universal power adapter

The Orion STAR A221 pH Portable Meter Kit ships complete with:

  • 8107UWMMD Orion ROSS Triode 3-in-1 pH/ATC probe
  • 910410 Orion pH 4.01 buffer, 10 pouches
  • 910710 Orion pH 7.00 buffer, 10 pouches
  • 911010 Orion pH 10.01 buffer, 10 pouches
  • 810001 Orion ROSS electrode storage solution, 475 mL
  • 911110 rinse solution, 10 pouches
  • Protective armor with electrode holder
  • Hard carrying case
  • Four AA batteries (installed)
Probes
Thermo Scientific Orion pH Electrodes
pH electrodes available in a variety of styles
Starting at
$123.00
$108.24
In Stock
Thermo Scientific Orion ROSS pH Electrodes
The best performing pH electrodes on the market
Starting at
$391.00
$344.08
Solutions
Thermo Scientific Orion All-in-One 60mL pH Buffer Kit
kit including 4.01, 7.00 and 10.00 buffers pH electrode storage solution and pH electrode cleaning solution.
$43.20
Thermo Scientific Orion pH Buffers
pH buffers for Thermo Scientific Orion pH electrodes
Starting at
$18.40
In Stock
Thermo Scientific Orion pH Electrode Cleaning Solutions
Cleaning solutions for Thermo Scientific Orion pH electrodes
Starting at
$31.40
Thermo Scientific Orion pH Electrode Storage Solutions
Storage solutions for Thermo Scientific Orion pH electrodes
Starting at
$53.60
Accessories
Please consider these optional accessories.
Thermo Scientific Orion STARA-CS Carrying Case
Hard carrying case for the Orion A-series
$135.00
$118.80
Thermo Scientific Orion Armor
Armor for Orion Star A series portable meters
$98.00
$86.24
Thermo Scientific Orion STARA-ESCD Probe Holder
Conductivity and DO probe holder for use with armor, Orion Star A
$27.00
$23.76
Thermo Scientific Orion STARA-ESPH pH Electrode Holder
pH electrode holder for use with armor, Orion Star A
$27.00
$23.76
Thermo Scientific Orion STARA-BEA Electrode Arm
Electrode Arm, Orion Star A, no base
$155.00
$136.40
Thermo Scientific Orion STARA-HB Base
Base, Orion Star A, for use with benchtop electrode arm
$52.00
$45.76