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Specifications

Specifications

Light scattering
Number of measurement angles 3
Position of the measurement angles LALS (10°)   RALS (90°)   HALS (170°)
Cell geometry proprietary conical flow path (single inlet, dual outlets)
Laser source type diode
Laser power 20 mW +/- 5
Laser wavelength 505 nm
Laser temperature control yes
Wetted material teflon, PEEK, glass, stainless steel
Maximum flow rate 2 mL/min
Inlet position front or side
Baseline noise (in THF @ 1 mL/min) < 1 mV
Baseline drift (in THF @ 1 mL/min) < 1 mV / 30 min
MW range < 200 to 107 Da
Rg range < 2 nm to > 50 nm (in progress)

Viscometer (optional)
Measurement principle 4-capillary differential bridge   
Dynamic range 5 kPa
Linearity 0.1% full scale
Baseline noise (in THF @ 1 mL/min) < 0.2 Pa
Baseline drift (in THF @ 1 mL/min) < 0.25 Pa / 60 min
Volume 23 µL per capillary
Maximum flow rate 4 mL/min in THF; 2 mL/min in water
Maximum pressure 200 kPa
Maximum detector backpressure at outlet 50 kPa
Wetted material Teflon, stainless steel, PEEK
Delay volume  Small, Medium or Large

General
A/D board channels / resolution 8 channels / 24 bits
Acquisition rate 10 Hz
Dynamic range +/- 10 V
Analog inputs RI, UV and start signal
Connection to PC ethernet
Dimensions 36.5 (W) × 48.5 (D) × 13 (H) cm = 14.4” × 19.1” × 5.1”
Weight 16 kg = 35 lbs for LenS3 MALS; 17 kg = 37 lbs for LenS3 MALS-V
Intellectual property PCT/US19/12090: Light Scattering Detectors and Sample Cells for the Same
PCT/US19/12095: Light Scattering Detectors and Methods for the Same
PCT/US2023/025136: Detector for Viscosity and Light Scattering and Methods for the Same