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pH/mV/°C meters, bench top, Orion Star™ A111

Supplier: Thermo Scientific
Orion Star™
Easy-to-use and budget-friendly instrument for basic pH analysis in the lab. Ideal for simple, routine pH, mV and temperature measurements.

  • Large, informative screen clearly shows main information
  • Thermo Scientific™ AUTO-READ™ locks in the stable reading on the screen
  • Ready indicator alerts when readings are stable
  • Up to three point pH calibration and automatic recognition of USA/NIST and DIN buffers
  • Non volatile memory holds up to 50 data points
  • Included electrode arm and designed probe holder make it easier to maintain and place probes into samples
  • IP 54-rated housing can handle splashes and can be wall-mounted if table space is a problem

Delivery information: Meter only is supplied with electrode stand, universal power adapter, literature CD, printed quick start guide and meter test certificate.
Kit 1 (A1115) additionally includes 9157BNUMD Orion Triode™ 3-in-1 pH/ATC probe and solution kit (60 ml each of pH 4, 7 and 10 buffers; storage solution and cleaning solution).
Kit 2 (A1116) additionally includes GD9156BNWP Orion™ Green double junction pH electrode and Orion stainless steel ATC probe.



Expand All / Collapse All
Description Pk VWR Catalog Number Quantity
Bench pH/mV/°C meter Orion Star A111, only meter 1 662-1438
Bench pH/mV/°C meter Orion Star A111, Kit 1 (A1115) incl. 9157BNUMD Triode 3-in-1 pH/ATC probe 1 662-1439
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Model A111
pH range −2,00...+16,00
pH resolution 0,1 / 0,01
pH accuracy ±0,01
pH calibration Up to 3 points; Automatic buffer recognition (USA/NIST and DIN)
mV range ±1600,0 / ±1999,9
mV resolution 0,1
mV accuracy ±0,2 mV or ±0,05 % of reading whichever is greater
Temperature range (°C) −5,0...+105,0
Temperature resolution (°C) 0,1
Temperature accuracy (°C) ±0,1
Temperature compensation Automatic or manual
Data logging capacity 50
Data logging - log function Manual / Automatic with AUTO-READ™
Display LCD
Connections BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
Power supply AC adapter or 4 AA batteries
W×D×H (mm) 180×240×110 mm
Weight (kg) 0,9
Compliance IP 54
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