Chemistry

Portable Dissolved Oxygen Meter Model STAR A123 - Complete Kit

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Description

Specifications

Parameters

Accessories

Suitable for routine and simple measurements of all types of samples.
It has a backlit LCD display that simultaneously shows the readings of:
Dissolved oxygen and temperature, plus date, battery status and calibration.
Simple operation through guided on-screen menus with key indicators for the user.
AUTO-READ function.
Stores up to 50 readings in its non-volatile memory.
IP67 splash-proof protection.
 
The STAR A1235 model includes:
STAR A123 Meter
Polarographic oxygen probe (OR083005MD)
Accessory for probe calibration and storage (OR080017)
Probe maintenance kit (OR080513)
Carrying case.
Alkaline batteries (4 x AA).
Dimensions: 24 cm x 10 cm x 6.5 cm (length x width x height)
Weight: 0.5 kg
Power supply: 4 AA alkaline batteries
Autonomy: 2000 hr.
Inputs: 9-pin MiniDIN (polarographic OD sensor with built-in temperature)
Outputs: None
Measuring modes: Dissolved oxygen as % saturation or mg / L with temperature
Calibration of Polarographic OD probes: water-saturated air or customized values with Winkler titration.
Channels: 1
Operating temperature: 5°C to 45°C (ambient)
Temperature probe calibration: 1-point temperature compensation calibration
Temperature selection: Automatic with ATC temperature probe
 
Parameter specifications:
Dissolved oxygen:
Concentration:
   Range: 0 to 20 mg/l
   Resolution: 0.01 – 0.1
   Accuracy: ±0.2
% Saturation:
   Range: 0 to 200
   Resolution: 0.1 – 1
   Accuracy: ±2%.
Manual barometric pressure correction: 450.0 to 850.0 mm Hg
Manual correction of salinity factor: 0 to 45 ppt
Calibration: Water saturated with air.
Probe: Polarographic
Temperature:
Range: 0 to 50 ºC (32 to 122 ºF )
Resolution: 0.1
Accuracy: ± 0.1

OD and T

Polarographic OD electrodes
maintenance kit for OD probe
Rigid plastic suitcase.
Other accessories available on request

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