Chemistry

Portable Multiparameter Meter Model STAR A325 - Complete Kit

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Description

Specifications

Parameters

Standards

Accessories

It has a backlit LCD display that simultaneously shows the readings of: pH/mV/RmV/RmV/Conductivity / TDS / Salinity / Resistivity and Temperature, as well as the date, time, cell status and calibration points.                   
Easy operation through guided on-screen menus with key indicators for the user. Software in Spanish.                     
AUTO-READ function.                   
Stable reading indicator.                     
Up to 5 pH calibration points with recognition of USA / NIST and DIN standards. 
Selectable cell constant for use with 2- or 4-electrode conductivity probes. 
Selectable reference temperature 15, 20 or 25ºC, with linear or non-linear correction. 
It includes the standard conductivity/salinity conversion curve.                            
Conductivity/TDS conversion curves, linear or IS/EN27888.                           
Stores up to 5000 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 can be battery operated (4 AA alkaline batteries), which provide an autonomy of 800 hours of operation.                     
It is also possible to purchase the mains adapter (optional) to connect it to 220V.                           
Portable and submersible with IP67 protection.                          
                              
The STAR A3255 model includes:                
STAR A 325 meter                    
ROSS pH Triode Type pH/ATC Electrode (OR8107UWMMD)                 
DuraProbe conductivity probe with 3 m cable (OR013010MD)                    
pH 4 Buffer, pack 10 sachets (OR910410)                       
pH 7 Buffer, pack 10 sachets (OR910710)                       
pH 10 Buffer, pack 10 sachets (OR911010)                    
Storage solution for pH electrode (OR810001)                         
Conductivity standard 1413 µS, pack 10 sachets (OR01100710)                             
Washing solution, pack 10 sachets (OR911110)               
Carrying case                  
Alkaline batteries 4xAA (installed)                
Dimensions: 24cm x 10cm x 6.5cm (length x width x height)                            
Weight: 0.5 kg                      
Power supply: 4 AA alkaline batteries                 
Autonomy: 800hrs.                      
Inputs: Conductivity and Temperature probe: 8-pin-mini-DIN                          
Outputs: RS232, USB                       
Measuring modes: pH, mV, relative mV (RmV) or ORP with temperature; conductivity, TDS, salinity or resistivity with temperature                            
Calibration points: 1-point mode relative mV (RmV), 1-point mode ORP                        
Calibration points (conductivity): up to 5                 
Calibration points (pH): 1 to 5                             
Cell constant: 0.001 to 199.9cm-1                
Channels: 2                          
Operating temperature: 5°C to 45°C (ambient)               
Temperature probe calibration: 1-point temperature compensation calibration              
Temperature range: -5.0°C to +105.0°C                      
Temperature resolution: 0.1°C, 0.1°F                              
Temperature selection: manual or automatic with ATC temperature probe                            
                                              
Parameter specifications:                      
pH:                       
            Range: -2,000 to 20,000                  
            Resolution: 0.1 / 0.01 / 0.001                      
            Accuracy: ± 0.002                             
            Calibration points: Up to 5 points.                   
            Edit Calibration: Yes.                          
mV/RmV:                           
            Range: ± 2000.0 mV                        
            Resolution: 0.1                  
            Accuracy: ± 0.2 mV or 0.05% of reading                               
            REDOX mode: Yes.                              
            Temperature:                     
            Range: -5 to 105 ºC                            
            Resolution: 0.1                   
            Accuracy: ± 0.1                  
            Offset compensation: 1 point                        
Conductivity:                
     Range: 0,01 uS to 3000mS                      
     Resolution: 0.001 µS minimum 4 significant digits                 
     Accuracy: 0.5% reading ±1 digit                        
     Temperature Ref.: 15,20,25ºC                            
     Temperature Compatibility: Linear (0 to 10.0%) Non-linear factor (nLn).                          
     Compatible Cell Constant: 0.001 to 1999.9                         
     Calibration Points: Up to 5 points                            
Resistivity:                     
     Range: 2 ohm to 100 meg-ohm.                          
     Resolution: 2 ohms-cm.                        
     Accuracy: 0.5% reading ±1 digit                        
Salinity.                           
     Range: 0.01 to 80.0 ppt NaCl, equivalent; 0.01 to 42 ppt, practical salinity                    
     Resolution: 0.01                        
     Relative accuracy: ± 0.1                          
TDS.                     
     Range: 1 to 200 ppt                   
     Resolution:4 significant digits                     
     Accuracy: ±0.5% reading ±1 digit                     
     Adjustable TDS factor: Linear 0.01 to 10.00                 
Temperature:                   
     Range: -5º to 105ºC, 23 to 221ºF                          
     Resolution: 0.1                          
     Accuracy: ± 0.1                          
     Offset calibration:1 point                     

pH/Conductivity and T

USP 791
US P 645
IP 67
European Pharmacopoeia Conductivity 2.2.38
European Pharmacopoeia pH 2.2.3
pH electrodes
Redox potential electrodes
Conductivity cells
RS 232 communications cable
Carrying cases
pH calibration buffers
Conductivity calibration standards
Calibration pattern redox potential
Resistor box for conductivity calibration/verification
Electrode cleaning solutions
Filling solutions and electrode preservation
Star Navigator Plus Software
Other accessories on request

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