LenS 3-V Specifications
| Light scattering |
|
| Number of measurement angles |
3 |
| Position of the measurement angles |
LALS (10°) RALS (90°) HALS (170°) |
| Cell geometry |
Patented dual conical flow path (single inlet, dual outlets) |
| Total cell volume |
43 µL |
| Laser source type |
Diode |
| Laser power |
1 – 40 mW (User adjustable) |
| Laser wavelength |
505 nm |
| Laser temperature control |
Peltier |
| Wetted material |
PTFE, PEEK, glass |
| Maximum flow rate |
5 mL/min |
| Inlet position |
Side port (left) |
Baseline noise (RMS without despiking) on RALS (90°) in THF @
1 mL/min |
< 1 mV |
| Typical signal-to-noise ratio on RALS for 50 µg of PS 100 KDa* |
2000:1 |
| MW range |
< 200 to 108 Da** |
| Rg range |
< 5 to > 250 nm** |
| Despiking level |
User selectable (None, low, mid, high) |
| General |
|
| Acquisition rate |
10 Hz |
| A/D board channels / resolution |
8 channels / 24 bit |
| Dynamic range |
+/- 10 V |
| External analog inputs |
2 auxiliary channels |
| Trigger input |
<= 12 V DC requiring dry contact closure |
| Trigger output |
Dry contact closure |
| Alert trigger output |
Dry contact closure |
| External USB hardware |
2 USB A, 1 USB C (powered) |
| Onboard PC OS |
Windows 11 PRO |
| Onboard RAM / Storage |
16 GB / 1 TB |
| PC Connection |
Ethernet cat 5 |
| Touch screen |
13.3 in |
| Dimensions |
46.0 (W) x 25.1 (H) x 58.5 (D) cm = 18.1” x 9.9” x 23” |
| Weight |
19 kg / 42 lbs |
| Shipping weight |
23 kg / 51lbs |
| Operating environment |
5 – 35 Celsius @ 10 to 80% relative humidity (no condensation) |
| Instrument voltage |
100 – 240 V AC @ 50 / 60 Hz |
| Power requirements |
Typical 100 W, maximum 700 W |
| 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
WO 2023/038621 A1: Light Scattering Detectors and Methods for the Same
|
*: Narrow distribution, using 1x 7.8 mm ID x 30 cm TSKgel GMHHR-M column
**: Depends on chromatographic separation and sample injected mass, conformation and refractive index increment (dn/dc)