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Star A211 pH Benchtop Meter Kit with Sure-Flow pH Electrode, ATC Probe, Solutions and Stand

Regular price $1,323.00


Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter

Record accurate and reliable pH, mV, ORP and temperature measurements with the Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter.

This meter is ideal for a wide range of applications and advanced pH analysis in the lab. Perform up to a 5 point pH calibration, log up to 2000 data point sets with time/date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer with free downloadable Orion Star™ Com software.

Use the included electrode stand to easily place sensors in samples and simplify storage to minimize breakage.


  • Star A211 pH meter
  • 9165BNWP Sure-Flow epoxy-body pH electrode
  • 927007MD stainless steel ATC probe
  • 910199 pH buffer and solution kit
  • Electrode stand
  • Universal power adapter
  • Literature CD
  • Printed quick start guide
  • Computer interface cable
  • Meter test certificate


AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Accuracy (Temperature) ±0.1°C
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH) ±0.002 pH
Backlight Option Yes, selectable
Calibration pH with calibration editing option, relative mV (RmV), ORP and temperature
Calibration Points 1 to 5
Data Management Details Transfer single, range or all data points to printer or computer
Data Points 2000 with Date and Time Stamp
Display Type LCD (Graphic with Backlight)
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Measurement Modes pH, mV, relative mV (RmV) or ORP with temperature
Outputs USB, RS-232
Temperature Range (Metric) -5°C to +105°C
Alarm Output High/low limit alarm, calibration due alarm
Battery Life 800 hr.
Battery Type 4 x AA (sold separately)
Channels 1
Certifications/Compliance CE, TUV 3-1, FCC Class A
Description Orion Star A211 pH benchtop meter food and beverage kit with Sure-Flow pH electrode and ATC probe
Dimensions (L x W x H) 24 x 18 x 11 cm (9.5 x 7.1 x 4.3 in.)
Includes Star A211 pH meter, 9165BNWP Sure-Flow epoxy-body pH electrode, 927007MD stainless steel ATC probe, 910199 pH buffer kit, electrode stand, 100-240V universal power adapter, computer cable
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
IP Rating IP-54
Isopotential Point 7.000pH
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean Available with Software Update
Memory Non-volatile memory preserves data log, calibration log and meter settings
Methods 10 per channel with password protection
Model Orion Star A211 pH/mV/RmV/ORP/Temperature Benchtop Meter
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
Probe Type pH electrode, ORP electrode, reference half-cell electrode, ATC temperature probe, stirrer probe (includes 9165BNWP Sure-Flow pH electrode and 927007MD ATC probe)
Range (mV) ±2000 mV
Range (ORP) ±2000.0mV
Range (pH) -2 to 20
Range (Relative mV) ±2000.0mV
Relative Humidity Range 5 to 85%, non-condensing
Resolution (pH) 0.1, 0.01, 0.001
Resolution (mV) 0.1mV
Resolution (Temperature) 0.1°C, 0.1°F
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature (English) Operating 41°F to 113°F (ambient)
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Probe Calibration 1 point temperature offset calibration
Temperature Range (English) 22.0°F to 221.0°F
Temperature Selection Manual or automatic with ATC temperature probe
Weight (English) 2 lb.
Weight (Metric) 0.9 kg
Unit Size Each

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