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Refractive Index Detector

 

Features:

  • Sensitivity
  • Graphical display (on model RI-2000F)
  • Solvent recycler control option (on model RI-2000F)

The progressive electronic and mechanical design result in a detector with exceptional sensitivity, ultra-low noise level, the highest degree of baseline stability, and lowest service.
The thermally shielded optics with a counter current heat exchanger and with its user programmable temperature control results in an extremely stable baseline and an optimal signal/noise ratio.
Both detectors provide autopurge and autozero capabilities, as well as RS-232 communication to acquire data directly without using any external signal interface.

 

RI-2000F Model

 

The fully digital electronic design facilitates new features not available in other refractive index detectors. The RI-2000F is not only a detector; it is also an analog-to-digital interface for other detectors. This unit can be used as a master system for LC systems.
The RI-2000F detector includes a fully graphic display for detailed system information, internal memory for buffering chromatographic data, and a digital interface. A 3-way valve can be added to the RI-2000F for solvent recycling capability
A data acquisition software package for Microsoft Windows 3.x, Windows 95, or Windows NT is included.

 

Cat. No. Description
RI-2000FRI Detector with graphical display
RI-2000RI Detector
CT-101

3 Way Valve for solvent recycling*
*Works with the RI-2000F only.

 

RI Specifications (Both):

 

Detection method:Deflection
RI range: 1.00-1.75
Flow rate range:0.2-3.0 mL/min.
Flow cell volume:9µL
Linearity range:80 x 10-5 RIU
Noise level:5 x 10-10 RIU
Autozero range:40 x 10-5 RIU
Autozero resolution:5 x 10-10 RIU
Integrator output:±1 Volt
Recorder output ±1 Volts
Digital interface:RS-232 Bidirectional
Temperature setting:Ambient, 35° C to 55° C fixed
Power:AC 120/240V; 50/60 Hz, 80 VA

RI-2000F Specifications

OutputsContact, 5 Vdc, TTL, or 12 Vdc, Intensity, Marker, Temperature, Solvent Recycler
InputsContact, 5 Vdc, TTL, Purge, Polarity, Autozero, Marker, Temperature, Solvent Recycler
Dimensions (cm)30 (W) x 45 (D) x 21 (H)
Weight 16 kg (35lbs.)

 

RI-2000 Specifications

OutputsTTL: 1 x Digital Out
InputsTTL: Purge, Autozero, 1 x Digital In
Dimensions (cm)22 (W) x 35 (D) x 15 (H)
Weight 12kg (26lbs)

 

 

Ask for quotes or for more information, please feel free to contact us:

 

 

629 Markham Rd, P.O. Box 55552
Toronto, ON Canada M1H 3G7
Tel: (416)438-8266, Fax: (416)438-6746
info@spectralabsci.com

 
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