Schambeck SFD GmbH
Refractive Index Detector RI2000
SFD101.01.3x.EN / 2014-07-10
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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 by using the
AutoZero function
Materials which contact the mobile phase: Stainless steel, glass, PTFE
Maximum pH-range:
2.3
– 9.5
Temperature control for 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):
10 nRIU (10 µV)
Noise (digital output):
5 nRIU ( 5 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 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
Volume:
9 µL
Angel:
45 °
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:
Sample entry
sample cell: 24 µL
Sample entry
sample cell
reference
cell
sample exit: 1500 µL
Communication:
Digital interface: RS232, bidirectional
Digital input: TTL (Purge, AutoZero,
Start/Marker)
Digital output: TTL (Intensity alarm)
