TOSOH Product
[TOSOH MALS Detector] LENS3
Feature
주요특징
TOSOH MALS Detector LenS3
• 단 3개의 각도만으로도 더 높은 정확도와 감도를 제공
- 분자 크기 분석 성능도 동등
• Low volume, 비반사(non-reflective) flow cell
- 미광(Stray light) 노이즈 크게 감소
• 특허 받은 광학 설계
- 매우 낮은 각도에서도 깨끗하고 안정적인 산란신호 제공
• 녹색 레이저와 향상된 감도
- 10nm 이하 영역에서도 분자크기 측정 가능
• HPLC 및 UPLC 모두와 호환

기존 MALS 검출기 문제를 해결한 현대적인 광학 설계

기존 MALS 검출기 문제를 해결한 현대적인 Flow-cell

MALS 검출을 통한 절대분자량 및 크기 측정

MALS 광산란을 이용한 절대분자량 및 크기 측정 원리

SEC-MALS 분석 결과 : 용출 피크의 구조, 조성 및 특성 규명

Application
어플리케이션


Specification
제품사양
| Attributes | |
| 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 – 50 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 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 |
| Onboard processing | SECview software |
| PC connection | Ethernet cat 5 |
| Touch screen | 13.3" |
| Dimensions | 46.0 (W) × 25.1 (H) × 58.5 (D) cm = 18.1" × 9.9" × 23" |
| Weight | 19 kg / 42 lbs |
| Shipping weight | 23 kg / 51 lbs |
| Operating environment | 5 – 35° Celsius @ 10 to 80% relative humidity (no condensation) |
| Instrument voltage | 100 – 240 V AC @ 50 / 60 Hz |
| Power requirements | Typical 110 W, maximum 700 W |
| Intellectual property | PCT/US19/12090:
Light Scattering Detectors and Sample Cells for the Same |
| *Narrow distribution, using 1 × 30 cm L × 7.8 mm ID TSKgel GMHₘ-M column | |
| **Depends on chromatographic separation and sample injected mass, conformation and refractive index increment (dn/dc) | |