Chemistry

Portable Multiparameter Meter Model STAR A223 - Complete Kit

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Description

Specifications

Parameters

Standards

Accessories

Portable Dissolved Oxygen / RDO meter suitable for all types of samples.                                       
It has a backlit LCD display that simultaneously shows the readings of:                
Dissolved oxygen in percent saturation or concentration and temperature, plus date, time and calibration points.                                       
Simple operation through guided on-screen menus with key indicators for the user. 
Automatic recognition of Polarographic probe and optical/luminescent RDO.                                             
Software in Spanish.                                   
AUTO-READ function.                                   
Stores up to 1000 readings, associated with date and time, in its non-volatile memory.                                         
Easy download of data to PC via USB port or RS232 port with the analysis software.    
It works with batteries (4 alkaline AA type), although it can also be powered with a 220V mains adapter.      
IP54 splash-proof protection.                                          
                                              
The STAR A2235 model includes:                                
STAR A 223 meter                                     
Optical dissolved oxygen probe, with stainless steel guard and miniDIN connector (OR087010MD)                                 
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: 800hrs.                      
Inputs: 9-pin MiniDIN (polarographic or RDO optical OD sensor with built-in temperature)               
Outputs: USB, RS232                        
Measuring modes: Dissolved oxygen as % saturation or mg / L with temperature and barometric pressure        
Calibration modes: Water-saturated air, air-saturated water, custom value (Winkler) or zero point.                          
Channels: 1                          
Operating temperature: 5°C to 45°C (ambient)                
Temperature probe calibration: 1-point temperature compensation calibration          
Temperature resolution: 0.1°C, 0.1°F                              
Temperature selection: automatic with ATC temperature probe                 
                              
Parameter specifications:                      
Dissolved oxygen:                           
Concentration – polarographic:                
   Range: 0 to 90 mg/l                     
   Resolution: 0.01 – 0.1                              
   Accuracy: ±0.2                             
% Saturation – Polarographic:                   
   Range: 0 to 600                              
   Resolution: 0.1 – 1                     
   Accuracy: ±2%.                             
Concentration – RDO:                  
   Range: 0 to 50 mg/l                     
   Resolution: 0.01 – 0.1               
   Accuracy: >8 mg/l: ±0.1                       
                              From 8 to 20 mg/l: ±0.2                      
                              From 20 to 50 mg/l: 10% of the reading                          
 % Saturation – RDO:                    
   Range: 0 to 500                              
   Resolution: 0.1 – 1                     
   Accuracy: ±2%.                             
       Automatic barometric pressure correction: 450.0 to 850.0 mm Hg                           
       Manual correction of salinity factor: 0 to 45 ppt                             
       Calibration: Air-saturated water, water-saturated air, manual (Winkler) and zero.               
       Probe: Polarographic or RDO.                             
Temperature:                   
     Range: 0 to 50 ºC (32 to 122 ºF)                            
     Resolution: 0.1                          
     Accuracy: ± 0.1                          
     Offset calibration:1 point                   

RDO/OD and T

IP 67

OD probes
RDO probes
RS 232 communications cable
Carrying case
StarCom software
Other accessories available on request

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