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Lab Equipments & Instruments

Thermo Scientific Orion
Star A121 pH Portable Meter

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, metermode, 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

Range -2.00 to 16.00
Resolution 0.1, 0.01
Relative Accuracy ±0.01
Calibration Points up to 3
Range mV:±1600.0 mV ;
RmV: ±1999.9 mV
Resolution 0.1
Relative Accuracy ±0.2 mV or ±0.05% of reading
whichever is greater
Relative mV Calibration Yes
Range -5° to 105°C
Resolution 0.1
Relative Accuracy ±0.1
Compensation Automatic or manual
Offset Calibration Yes
No. of Points 50
Log Function Manual, Automatic with AUTO-READ™
Log Edit Delete last reading or all
pH Electrode BNC
ATC Probe 8-pin mini-DIN
AC Adapter Optional - universal, 100-24- VAC
Battery Power Included - 4 AAs
Battery Life 2000 hrs
CanLab No. Mfr. No. Description
42X8121 STARA1210 Star A121 pH Hand-Held Meter with Electrode Stand
52X8121 STARA1215 Star A121 pH Hand-Held Meter with Electrode Stand;
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

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