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Orion Star™ A221 portable pH Meter


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Orion Star™ A221 portable pH Meter

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.

Orion STAR* A221 portable pH Meter Kit includes meter, 8107UWMMD Orion ROSS Triode, pH buffers, electrode storage soln., rinse soln. carrying case, protective armor and batteries .
  • Anyone can use this meter with its plain language screen prompts, soft keysthat update for easy selection and a multi language 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
  • Up to 5 point pH calibration with automatic recognition for USA/NIST and DIN buffers
  • Non-volatile memory holds up to 1000 datapoints 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 meter replacement warranty

Certifications: CE, TUV, FCC Class A limits
pH Mode
Range -2.000 to 20.000
Resolution 0.1, 0.01, 0.001
Relative Accuracy ± 0.002
Calibration Points up to 5
mV Mode
Range ± 2000.0
Resolution 0.1
Relative Accuracy ± 0.2mV or ± 0.05% of reading whichever is greater
Calibration Points 1
Temperature Mode
Range 23 to 221° F (-5 to 105° C)
Resolution 0.1
Relative Accuracy ± 0.1
Inputs BNC, reference pin, 8-pin mini-DIN
Data Management 1000 points with date/time stamp
Output RS-232, USB
Display Graphic LCD; simultaneous display of measurement, temperature, date/time, and more
Power Supply Four "AA" batteries or optional universal AC line voltage
Environmental Operating Conditions
Relative Humidity 5 to 85% noncondensing
Warranty 3-year meter replacement
GSA Link

Ordering Info

Cat No Description Qty Price Qty UOM
H243-7 STAR A221 portable pH Meter In Stock 1 $615.00 EA
H243-8 STAR A221 portable pH Meter Kit In Stock 1 $1,207.00 EA

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