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Shodex

RI-200 系列


Refractive Index Detector 

 * RI-201 詳細資訊 *

 * RI-201H 詳細資訊 *
 

Features


RI-201
 - A nobel optical system (three-chamber flow cwll) provides at least twice
   the sensitivity of our previous detectors. 
 - The double temperaturefluctuations. 
 - The limit of detection for saccharides is approximately 2 ng.    

RI-201H
 - Uses the same optical system as that of the RI-101.
 - Reasonable price 


Specifications

Model

RI-201

RI-201H
Analysis 
Flow cell type

3 chamber-type

2 chamber-type
Measurement method Deflection type
Refractive Index range 1.00~1.75
Measurement range 0.125~256μRIU 0.25~512μRIU
Drift * 0.1μRIU/h 0.2μRIU/h
Linearity range ≥ 300μRIU ≥ 600μRIU
Noise ** ≤ 1nRIU ≤ 2.5nRIU
Response 0.1, 0.25, 0.5, 1, 1.5, 2, 3, 6sec
Auto zero Full auto zero
Auto zero range All range
Off-set range 5μRIU 10μRIU
Off-set resolution 25nRIU 50nRIU
Integrator output (Sensitivity) DC 0~1V
(4mV/μRIU, 16mV/μRIU)
DC 0~1V
(2mV/μRIU, 8mV/μRIU)
Cell volume 8μL
Flow rate (Usual) 0.2~3.0mL/min
Flow rate (Max.) 10mL/min (solvent ; pure water)
Maximum back pressure 50kPa
Internal volume IN → Cell ; 80μL
Cell → OUT ; 600μL
All (Cell → OUT) ; 690μL
IN → Cell ; 60μL
Cell → OUT ; 600μL
All (Cell → OUT) ; 670μL
Recorder output 0~10mV/FS
External input -
External Output         ①READY (temperature control)
        ②LEAK 
        ③ERROR (ROM, RAM, PARAMETER, HOME-POSITION, 
           OVER- HEAT, OPT.-BALANCE, INTENSITY)
Temperature control OFF, 30~55˚C (1˚C step), 
77˚C Temp. fuse (Double Temperature control)
Communication port USB
Operator support function None
Wetted materials Stainless steel 316, Teflon, Quartz Glass
Power source,
Power consumption
AC100~240V±10%, 50/60Hz, 150VA max
Dimension, Weight W260 x D400 x H150 (mm), ca. 12kg
Accessories Power cable, signal cable, connector tube, fuse, operation manual

*Pure water 1mL/min, PURGE OFF
**Pure water, response : 1.5sec

 
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