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Thermo Scientific™ PH111 pH/mV Bench Meter Easy-to-Clean Bio Kit

Orion Lab Star PH111 pH bench meters measure pH or ORP with mV and temperature, feature a large backlit display for easy viewability, and offer small footprint to save bench space. Ideal for simplified, budget-friendly lab testing and data recording.

Supplier:  Thermo Scientific™ LSTAR1116/EMD

Catalog No. S81898

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Orion Lab Star PH111 pH Meter Features

  • Budget-friendly pH meter for simplified pH and ORP testing
  • Display shows pH, mV and temperature simultaneously for accurate data recording
  • Measure -2 to 18 pH, -2000 to +2000 mV and -5 to 105 °C or 23 to 221 °F to ensure comprehensive measurement capabilities
  • Perform one to five point pH calibrations, one point ORP calibrations and one point temperature adjustment calibrations for proficient SOP compliance
  • Large 5 inch backlit display makes viewing and recording measurements easy
  • Small meter footprint saves valuable bench space in your lab
  • Onscreen stabilizing and ready indicators help identify when readings are complete
  • pH electrode condition icon helps ensure reliable electrode performance
  • Date and time data stamped data and calibration logs support GLP compliance
  • View active pH, ORP and temperature calibration logs with date and time stamp to ensure accurate, reproducible measurements
  • Use 500-point data log with date and time stamp to record key measurements
  • Output data and calibration logs to a printer or computer for long-term data storage
  • Interchangeable wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets

Meter and Meter Kits

  • LSTAR1110 is the pH meter and stand option, which allows you to purchase your pH electrode separately
  • LSTAR1115 is the standard pH meter kit option, for common pH samples such as drinking water, tap water, buffers (non-TRIS) and general purpose student use
  • LSTAR116 is the easy-to-clean bio pH meter kit option, for pH samples containing TRIS buffers, proteins, sulfides, halides or other components that can interfere with silver-chloride; included refillable pH electrode is easy-to-clean and restore
  • LSTAR117 is the low-maintenance bio pH meter kit option, for pH samples containing TRIS buffers, proteins, sulfides, halides or other components that can interfere with silver-chloride; included gel-filled pH electrode is low-maintenance and easy to operate
  • LSTAR1118 is the difficult sample pH meter kit option, for pH samples that are thick, viscous or semi-solid including foods, beverages, wastewaters, emulsions, soils, slurries, suspended solids or sludges


pH/mV Bench Meter Easy-to-clean Bio Kit
±0.3°C (±0.5°F)
±0.005, ±1 LSD
Double Junction Refillable Epoxy Body pH Electrode, ATC Temperature Probe, pH 4/7/10 Buffer, Storage and Cleaning Solution, 60 mL Kit Meter with Electrode Stand, PC Cable, Power Adapter
pH with mV and Temperature, ORP with mV and Temperature
-2 to 18
1 to 5 Points
0.1 mV
-5°C to +105°C
0.1°C (0.1°F)
1 Point Offset Calibration
500 Points with Date and Time Stamp
Calibration Reminder Alarm
CE, TUV 3-1, FCC Class A
198.3 x 155.2 x 61.7 mm (7.81 x 6.11 x 2.43 in.)
1.54 lb.
50/60 Hz
Computer or Printer (STARA-106)
±0.2% or ±0.05% (Whichever is Greater)
Transfer Single or All Data Points to Printer or Computer
TRIS Buffers, Proteins, Sulfides, Halides or Other Components
pH, ORP, Temperature
0.001, 0.01, 0.1
±2000 mV with ±250 mV Offset
1 (ORP)
23°F to 221°F
Manual, Automatic
LCD, Backlit
Automatic with Auto-read and Timed Read Modes, Manual with Continuous Read Mode
BNC for pH or ORP, 8-pin MiniDIN for ATC
700 g
3 Years (Meter)
100/240 V


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