26 Rue JM KEYNES - 13013 MARSEILLE FRANCE - Tel : 00 33 491 06 75 77 - Fax : 00 33 491 66 53 04 - infos@precision-inst.com

 

Differential Refractive Index Detector
  

                   

      High stability in RI detection
The unique and patented system provides a fully symetrical in line beam,  specifically designed to avoid all external vibration problems.
  
      Fully automatic
Real autozero system, microprocessor controlled, push-button reference  cell filling,  RS232...
  
      For analytical or preparative chromatography
PRECISION Instruments IOTA 2 Differential Refractometer is designed  to offer high detection stability and sensitivity.Three different cells are available for analytical or preparative chromatography.
  
      A professionnal partner
PRECISION Instruments, specialized in HLPC detectors, offers specific experimentation refractive index     

detector. The company is commited to your success with the performance of your  equipment.

  
  

SUGAR ANALYZE

Sensitivity 2,5 10-6 d RI
Quantity 0,025 µg in 20 µL

1 - Rhamnose   
2 - Glucose   
3 - Mannose 

 
   

Technical Data

Large sensitivity

Automatic reference 
cell filling 		Autozero

Light source : 940 nm
Sensivity

Range : 1/16.10-5  to 64.10-5  RIU in 11 steps
Noise : 10-8  RIU (analytical) ; 3.10-6  RIU (preparative)

Time constant : 0s ; 0.5s ; 2s ; 5s ; 10s

Drift : <5.10-7  RIU (analytical) ; 5.10-8  RIU (preparative)

 

Linearity

5.10-3  RIU (analytical) ; 5.10-2  RIU (preparative) 

Cell volume : 8µl (analytical) , 40µl (preparative)  

Cell angle : 45°, 10° or 3° 

Flow rate : 0.05 to 20 ml/mn (analytical)
1 to 200ml/mn (preparative)

Maximum pressure : 5 bar
> 200 ml/mn : on special request

Signal Outputs

Autozero : by the keyboard  

Event Mark : by the keyboard and external

Record output : 1V and 10 mV     RS 232 C Interface

Physical specifications

Height 140mm ; Width 320mm ; Length 320 mm ;

Weigth : 15 Kg  Power requirements 220V or 110V (50/60Hz)