Chemistry

Portable Conductivity Meter Model STAR A222 - Complete Kit

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Description

Specifications

Parameters

Standards

Accessories

It has a backlit LCD display that simultaneously shows the readings of: Conductivity / TDS / Salinity / Resistivity and Temperature, plus date, time, cell status and calibration points.    
Simple operation through guided on-screen menus with key indicators for the user.
Software in Spanish.    
AUTO-READ function.    
Stable reading indicator.     
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 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 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 A2225 model includes:
STAR A 222 Conductivity Meter 
ORION DuraProbe 4 electrode conductivity probe with 3m cable. K = 475. (OR013010MD)    
Conductivity standard of 1413 µS. Pack of 10 sachets        
Cleaning solution. Pack of 10      
Protective rubber casing      
Rigid plastic suitcase             
4 AA batteries (installed)           
Dimensions: 24 x 10 x 6.5 cm (length x width x height)
Weight: 0.5 kg
Power supply: 4 AA alkaline batteries
Autonomy: 800hrs.
Inputs: 8-pin MiniDIN (conductivity sensor with built-in temperature)
Outputs: USB, RS232
Measuring modes: Conductivity, TDS, salinity or resistivity with temperature
Calibration: Conductivity and Temperature
Conductivity calibration points: 5
Cell constant: 0.001 to 199.9cm-1
Channels: 1
Operating temperature: 5°C to 45°C (ambient)
Temperature probe calibration: 1-point temperature compensation calibration
Temperature selection: manual or automatic with ATC temperature probe
 
Parameter specifications:
 Conductivity:
     Range: 0,01 uS to 3000mS
     Resolution: 0.001 µS minimum 4 significant digits
     Accuracy: 0.5% reading ±1 digit
     Ref. Temperature: 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

Conductivity, TDS, salinity, resistivity and T

USP 645
IP 67
European Pharmacopoeia Conductivity 2.2.38

Conductivity probes
Conductivity calibration standards
RS 232 communications cable
Carrying case
StarCom software
Other accessories available on request

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