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Thermo Scientific Orion

Star A121 pH Portable Meter

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Thermo Scientific Orion Star A121 pH Portable Meters combine simplicity with accuracy. A large LCD displays pH or mV readings along with temperature. Icons provide quick updates on battery life, electrode status and calibration information. Simple button layout and onscreen messages help with calibration and setup menu choices.

  • Large, informative screen clearly shows the main information, including pH or mV reading, temperature, meter mode, calibration information 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
  • Up to 3 point pH calibration
  • Automatic recognition of USA/NIST and DIN buffers
  • Easily recall calibration slope data for procedure checks
  • 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

Meter Kit (1218X25) Contains: 9107BNMD Gel-filled Epoxy pH/ATC Triode with 1.5 Meter Cable; 916099 pH Buffer 60mL Kit (pH 4, 7, 10 Buffer, Storage and Cleaning Solutions); 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

Range-2.00 to 16.00
Resolution0.1, 0.01
Relative Accuracy±0.01
Calibration Pointsup to 3
RangemV:±1600.0 mV ;
RmV: ±1999.9 mV
Relative Accuracy±0.2 mV or ±0.05% of reading
whichever is greater
Relative mV CalibrationYes
Range-5° to 105°C
Relative Accuracy±0.1
CompensationAutomatic or manual
Offset CalibrationYes
No. of Points50
Log FunctionManual, Automatic with AUTO-READ™
Log EditDelete last reading or all
pH ElectrodeBNC
ATC Probe8-pin mini-DIN
AC AdapterOptional - universal, 100-24- VAC
Battery PowerIncluded - 4 AAs
Battery Life2000 hrs

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Thomas No.
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Star A121 pH Hand-Held Meter with Electrode Stand
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Thomas No.
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Star A121 pH Hand-Held Meter Kit with Electrode Stand
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