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Orion™ Star™ STARA1235
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Orion™ Star™ A123 Dissolved Oxygen Portable Meter Kit with Polarographic DO Sensor, 24 L x 10 W x 6.5 cm H

Dissolved Oxygen Portable Meter Kit, 24 L x 10 W x 6.5 cm H, A123 Model, 450 to 850 mmHg (Manual Entry) Pressure Range, 0 to 45 ppt Automatic Correction Using Manual Entry of Sample Salinity, 0 to 50°C Temperature Range, LCD Display Type

  • Manufacturer Part No: STARA1235
  • SECO Part No: 21-0360-10
  • Sold As:
  • Availability: loading

Take simple, routine dissolved oxygen and temperature measurements with the Thermo Scientific™ Orion Star™A123 Dissolved Oxygen Portable Meter, an easy-to-use and budget-friendly instrument for basic dissolved oxygen analysis in the field. Calibrate polarographic DO probes using water-saturated air or custom value using Winkler titration. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. Use the included electrode stand to easily place sensors in samples and simplify storage. Thermo Scientific™ Orion Star™A123 dissolved oxygen portable meters are a simple, economical solution for your routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes and measurement stability indicator, our basic Orion Star™ A123 dissolved oxygen meters are designed to deliver measurements you can trust at an affordable price.

Length : 24 cm
Width : 10 cm
Height : 6.5 cm
Model : A123 Dissolved Oxygen/Temperature Portable Meter
AC Adapter : Universal 50 to 60 Hz, 100 to 240 VAC Power Adapter
Accuracy (Polarographic DO) : ±0.2 mg/L or ±2% of Reading, Whichever is Greater
Barometric Pressure Correction : 450 to 850 mm Mercury, Automatic with Manual Entry
Battery Life : 2000 Hours
Battery Type : Four AA (Included)
Calibration Modes : Water-saturated Air, Manual (Winkler Titration)
Data Management Details : Internal Data Point Memory
Data Point : 50
Display Type : LCD
Includes : Star A123 DO Meter, 083005MD Orion Polarographic Dissolved Oxygen Sensor, 080513 DO Maintenance Kit, Protective Meter Armor, Hard-sided Field Case, 4 AA Batteries, Literature CD, Printed Quick Start Guide and Meter Test Certificate
Input : 9 pin MiniDIN (Polarographic DO Sensor with Built-in Temperature)
IP Rating : IP67
Keypad : Simple with Highlighted Measure Key, Scroll and Shortcut Keys
Languages : English
Measurement Mode : Dissolved Oxygen as % Saturation or mg/L with Temperature
Memory : Non-volatile Memory Preserves Log and Settings
Number of Channel : 1
Operating Temperature : 41 to 113°F
Percent Saturation Range (Polarographic DO) : 0 to 200%
Percent Saturation Relative Accuracy (Polarographic DO) : ±2% Saturation or ±2% of Reading Whichever is Greater
Percent Saturation Resolution (Polarographic DO) : 0.1, 1% Saturation
Power Supply : 4 AA Batteries (Included) or Universal AC Adapter
Pressure Range : 450 to 850 mm Mercury (Manual Entry)
Probe Type : Polarographic Dissolved Oxygen Probe
Range (Polarographic DO) : 0 to 20 mg/L
Relative Humidity Range : 5 to 85%, Non-condensing
Resolution (Polarographic DO) : 0.01, 0.1 mg/L
Salinity Factor : 0 to 45 ppt, Automatic Correction Using Manual Entry of Sample Salinity
Sensor Type : Polarographic Dissolved Oxygen Sensor
Stability : Smart Stability and Smart Averaging
Temperature Accuracy : ±0.1°C
Temperature Probe Calibration : 1 Point Temperature Offset Calibration
Temperature Range : 0 to 50°C
Temperature Resolution : 0.1°C
Temperature Selection : Automatic with ATC Temperature Probe
Warranty : 3 Years Meter Warranty
Weight : 2 lb
  • Measure dissolved oxygen in percent saturation or mg/L with temperature using polarographic DO probes
  • Calibrate using water-saturated air or custom value (Winkler titration)
  • Automatically compensate DO readings using ATC temperature, manual salinity input and manual barometric pressure
  • Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon
  • User-friendly operation with basic calibration text prompts
  • Easily recall calibration data for procedure checks
  • Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
  • Flexible power options with AA batteries or optional universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand
  • Meters offer CE, TUV 3-in-1 and FCC class A certifications and 3-year replacement warranty
  • Automatic data logging with auto-read measure mode; manual data logging with continuous measure mode
  • Approved by CE, TUV 3-1, FCC Class A

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