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Hitachi L-7490 Refractive Index Deetctor Hitachi L7490 Merck Hitachi Ri Detector Hitachi LaChrom 7490 used nice
Merck Hitachi Differential Refraction Detector
Ri Meassuring range 1.0 bis 1.75
Response:fast,medium, slow
flow cell 8 ul
Max. Flow rate: 10 ml/min
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Specifications
Measurement method: Deflection type
Refractive Index range: 1 to 1.75
Measurement range: 1/4 to 512 x 10 -6 RIU/FS
Linearity range: 6 x 10 -4 RIU or less
Noise: 2.5 x 10 -9 RIU or less (response: MED, constant room temperature). The noise under test condition of EU directive EN50082-1 is max. 7.5 x 10 -8 RIU.
Response: Fast (0.5 s), Med (1.5 s), Slow (3.0 s)
Zero adjustment: Optical zero / Auto zero
Auto zero range: ± 1 x 10 -4 RIU
Auto zero resolution: ± 1 x 10 -8 RIU or less
Offset adjustment range: 0 to 6 x 10 -5 RIU
Offset resolution: 3 x 10 -8 RIU or less
External Input: 1.) Auto zero start (contact capacity: 12 V DC, 0.1 A or more)
2.) Auto market start (contact capacity: 12 V DC, 0.1 A or more)
3.) Purge start (contact capacity: 12 V DC, 0.1 A or more)
4.) Polarity switching (contact capacity: 12 V DC, 0.1 A or more) External Output: 1.) Intensity (contact capacity: 12 V DC, 0.5 A or less)
2.) Zero over alarm (contact capacity: 12 V DC, 0.5 A or less)
3.) Recorder 10 mV / FS
4.) Integrator 1 V / FS ( 2 mV / 1 x 10 -6 RIU)
Temperature control: 35 °C (with 70 °C thermal fuse)
Cell volume: 8µl
Max. flow rate: 10 ml/min
Max. back pressure: 0.2 MPa (2 kgf/cm 2 )
Material of wet patt: SUS 316 (stainless steel), Teflon, Pyrex glass
Power source: 100/120/220/240 V AC ± 10 %, 50/60 Hz
Power consumption: 60 V A
Size: 260 (width) x 500 (depth) x 150 (height) mm (Excluding rubber feet)
Weight: about 13 kg
Shodex RI-101 Analytical Refractive Index Detector Shodex GPC Detector Shodex RI-100 series is a versatile and high sensitive RI detectors that can be used with various manufactures HPLC Systems NEW, Shodex RI-101 Analytical Refractive Index Detector Shodex GPC Detector Shodex RI-100 series is a versatile and high sensitive RI detectors that can be used with various manufactures HPLC Systems