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Dissolved oxygen meter, bench top, Orion Star™ A113

Supplier: Thermo Scientific
Orion Star™
The Orion Star™ A113 dissolved oxygen benchtop meter offers easy operation for basic lab testing. Ideal for taking routine dissolved oxygen and temperature measurements.

  • Large, informative screen clearly shows the main information
  • Thermo Scientific™ AUTO-READ™ locks in the stable reading on the screen
  • Automatic temperature, manual salinity input and manual barometric pressure compensation for an accurate result
  • Two calibration options: water-saturated air method or a Winkler titration
  • Non-volatile memory holds up to 50 data points
  • Multiple power options: Power adapter or four AA batteries
  • IP54-rated housing handles splashes and can be wall-mounted if table space is unavailable

Accepts Thermo Scientific™ Orion™ polarographic dissolved oxygen probes

The included electrode stand can be used to easily place sensors in samples and simplify storage.

Delivery information: Supplied with electrode stand, universal power adapter, literature CD, printed quick start guide and meter test certificate. The kit additionally includes the 083005MD Orion polarographic dissolved oxygen sensor and the 080513 DO maintenance kit.



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Description Pk VWR Catalog Number Quantity
Bench DO meter Orion Star A113, instrument alone 1 664-0141
Bench DO meter Orion Star A113, Kit incl. 083005MD polarographic DO probe, calibration sleeve, maintenance kit 1 664-0142
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Model A113
DO concentration (mg/l) 0,00 - 20,00
DO concentration resolution (mg/l) 0,1 / 0,01
DO accuracy ±0,2%
DO calibration Water-saturated air, manual (Winkler)
DO saturation (%) 0,0 - 200,0
DO barometric pressure range Manual, 450 - 850 mmHg
DO probe type Polarographic
DO salinity factor (ppt) Manual, 0 - 45
Temperature range (°C) –5,0...+50,0
Temperature resolution (°C) 0,1
Temperature accuracy (°C) ±0,1
Data logging capacity 50
Data logging - log function Manual / Automatic with AUTO-READ™
Connections 9-pin mini-DIN
Power supply AC adapter or 4 AA batteries
W×D×H (mm) 180×236×93 mm
Weight (kg) 0,9
Compliance IP 54
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