Schambeck SFD GmbH
Refractive Index Detector RI2012
RI2012 V1.0 06-2013.EN / 28.10.2013
7
http://www.schambeck-sfd.com
5 S
PECIFICATIONS
Type of detection:
Refractive Index
Effective range for refractive index:
1.00
– 1.75 RIU
Effective range:
1000 µRIU
Optical null balance:
In the whole effective range by adjusting the mirror
Signal null balance:
In the whole effective range with AutoZero function
Solvent
wetted
materials
Stainless steel, glass, PTFE
Maximum pH-range:
2.3
– 9.5
Temperature control optical bench:
7°C above ambient temperature,
35 °C up to 55 °C in 1 °C steps
Analog signal output:
Recorder / integrator
Noise (analog signal):
7 nRIU (
7 µV)
Noise (digital output):
3 nRIU (
3 µV)
Drift:
< 1 µRIU/h (< 1mV/h)
Integrator output:
1.2 V (fix)
Recorder output:
1.2 V (adjustable)
Recorder range:
8 steps selectable in the region from 1/8 to 16/1
Recorder offset:
Selectable: 0 mV, 10 mV, 100 mV
Signal range (recorder):
Selectable: 10 mV, 100 mV, 1000 mV
Recorder marker:
Marker function ON/OFF
Flow cell:
Glass cell (quartz) with two chambers
Flow cell Volume:
4 µl RI 2012M / micro
9 µl RI 2012A /
analytically
13 µl RI 2012P /
semi-preparative
Angel:
45 ° RI2012M / RI2012A 5° RI2012P
Max. Pressure:
6 bar (0.6 MPa)
Max. Flow rate:
0.1
– 3.0 mL/min
Valve:
3/2 path valve, 12 V
Max. Pressure:
2 bar (0.2 MPa)
Volumes from input to sample cell:
6 µl RI 2012M / micro
24 µl RI 2012A /
analytically
88 µl RI 2012P /
semi-preparative
Communication:
Digital interface:
Digital input:
Digital output:
RS232, bidirectional, USB 2.0
TTL (Purge, AutoZero,Start/Marker)
TTL (Intensity alarm)
