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SFD
 S 2020 Refractive index detector

The Refractive Index Detector S 2020 series provides a consistent enhancement of the already successfully established RID models RI2000 and RI2000-F. The RID S 2020 series offers users 3 times higher sensitivity, (compared to RI2000) stability and reproducibility required for optimal RI detection in HPLC / GPC. By consistently revising the electronic components, it has been possible to significantly improve drift and noise.
 
The optical system is now better insulated against temperature changes and with programmable temperature settings, ensures a stable baseline and an optimal signal/noise–ratio.


Specifications
 
Model S 2020 M, micro S 2020 A, analytical S 2020 P, semi preparative
Detection Method

Deflection

Deflection Deflection
  Refractive Index Range

1.00 to 1.75

1.00 to 1.75 1.00 to 1.75       
 Flow Rate

0,2 - 3,0 ml/min

0,2 - 3,0 ml/min 5 - 50 ml/min
 Flow Cell Volume

4 μl, 45° angle

9 μl, 45° angle 13 μl, 5° angle
 Flow Cell Pressure  6 kg/cm2  6 kg/cm2  6 kg/cm2
 Dead Volume Into cell 6 μl  24 μl  88 or 314 μl *
 Linearity Range     0 - 500 μRIU  0 - 1000 μRIU  0 - 2000 μRIU
 Noise Level 10 x 10-9 RIU 5 x 10-9 RIU 10 x 10-8 RIU
 Autozero Range Full Range Full Range Full Range
 Drift with 1ml H2O/min.   < 1mV/hour   < 1mV/hour    1mV/hour
Purge Valve  yes  yes  yes / no (depends on flow)
  Integrator Output +/- 1 Volt +/- 1 Volt +/- 1 Volt
Recorder Output  +/- 10mV / 100mV / 1Volt
Recorder Offset 0 mV/10mV/ 100mV
 Recorder Range 8 steps (1:8) - (16:1)
Marker Yes / No

RI 2000 Refractive index detector

The Differential Refractive Index Detector RI 2000 series offers the sensitivity, stability and repro-ducebility required for optimal RI detection.

The thermal isolated optic with a counter current heat exchanger and with its programmable temper-ature control, results in an extremely stable baseline and an optimal Signal / Noise ratio.
 

Specifications
 
Model RI 2000 M, micro RI 2000A, analytical RI 2000P, semi preparative
Detection Method

Deflection

Deflection Deflection
  Refractive Index Range

1.00 to 1.75

1.00 to 1.75 1.00 to 1.75       
 Flow Rate

0,2 - 3,0 ml/min

0,2 - 3,0 ml/min 5 - 50 ml/min
 Flow Cell Volume

4 μl, 45° angle

9 μl, 45° angle 13 μl, 5° angle
 Flow Cell Pressure  6 kg/cm2  6 kg/cm2  6 kg/cm2
 Dead Volume Into cell 6 μl 24 μl 314 μl
 Linearity Range
   0 - 500 μRIU
 0 - 1000 μRIU  0 - 2000 μRIU
 Noise Level   5 x 10-9 RIU 5 x 10-9 RIU 5 x 10-8 RIU
 Autozero Range Full Range Full Range Full Range
 Drift with 1ml H2O/min.   < 1mV/hour   < 1mV/hour    1mV/hour
Purge Valve  yes  yes  yes / no depends on flow
  Integrator Output +/- 1 Volt +/- 1 Volt +/- 1 Volt
Recorder Output  +/- 10mV / 100mV / 1Volt
Recorder Offset 0 mV/10mV/ 100mV
 Recorder Range 8 steps (1:8) - (16:1)
Marker Yes / No

 RI 2012 Refractive index detector

The Refractive Index Detector RI2012 series provides a consistent enhancement of the already successfully established RID models RI2000 and RI2000-F. The RID 2012 series offers users 3 times higher sensitivity, (compared to RI2000) stability and reproducibility required for optimal RI detection in HPLC / GPC. By consistently revising the electronic components, it has been possible to significantly improve drift and noise.

The optical system is now better insulated against temperature changes and with programmable temperature settings, ensures a stable baseline and an optimal signal/noise–ratio.


Specifications
 
Model RI 2012 M, micro RI 2012A, analytical RI 2012P, semi preparative
Detection Method

Deflection

Deflection Deflection
  Refractive Index Range

1.00 to 1.75

1.00 to 1.75 1.00 to 1.75       
 Flow Rate

0,2 - 3,0 ml/min

0,2 - 3,0 ml/min 5 - 50 ml/min
 Flow Cell Volume

4 μl, 45° angle

9 μl, 45° angle 13 μl, 5° angle
 Flow Cell Pressure  6 kg/cm2  6 kg/cm2  6 kg/cm2
 Dead Volume Into cell 6 μl 24 μl 88 or 314 μl *
 Linearity Range
    0 - 500 μRIU
 0 - 1000 μRIU  0 - 2000 μRIU
 Noise Level 10 x 10-9 RIU 5 x 10-9 RIU 10 x 10-8 RIU
 Autozero Range Full Range Full Range Full Range
 Drift with 1ml H2O/min.    < 1mV/hour   < 1mV/hour    1mV/hour
Purge Valve  yes  yes  yes / no (depends on flow)
  Integrator Output +/- 1 Volt +/- 1 Volt +/- 1 Volt
Recorder Output  +/- 10mV / 100mV / 1Volt
Recorder Offset 0 mV/10mV/ 100mV
 Recorder Range 8 steps (1:8) - (16:1)
Marker Yes / No

 
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