Sanotac UV7001 High-Flow Full-Spectrum UV-Vis Detector (20 L/min)
| Brand | Sanotac |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Model | UV7001 |
| Instrument Type | UV-Vis Detector (UVD) |
| Wavelength Range | 190–800 nm |
| Detection Method | Dual-Beam |
| Light Source | Deuterium Lamp + Tungsten Lamp |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | 0.2 nm |
| Flow Cell Pathlength | Adjustable (1–5 mm) |
| Maximum Flow Rate | 20 L/min |
| Baseline Noise | ±0.5 × 10⁻⁵ AU (254 nm, TC = 1 s) |
| Baseline Drift | 1.5 × 10⁻⁴ AU/h (254 nm) |
| Absorbance Range | 0–3 AU |
| Time Constants | 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 / 10.0 s |
| Display | 320 × 240 pixel, 4.7-inch backlit LCD |
| Control Interface | USB + RS-232 |
| Software Compliance | Fully compliant with CFDA GxP and FDA 21 CFR Part 11 |
| Power Supply | 85–264 VAC, 50 Hz |
Overview
The Sanotac UV7001 High-Flow Full-Spectrum UV-Vis Detector is an engineered optical detection system designed specifically for industrial-scale preparative liquid chromatography (Prep-LC) applications in pharmaceutical purification, biologics downstream processing, and fine chemical synthesis. Operating on dual-beam absorbance photometry, the UV7001 employs a precision optical architecture where reference and sample beams are simultaneously measured—minimizing drift and enhancing long-term stability under high-flow conditions. Its 190–800 nm spectral coverage, enabled by automatic lamp switching between deuterium (UV) and tungsten (visible) sources, supports broad-spectrum method development and multi-wavelength monitoring without manual intervention. Unlike conventional analytical UVDs limited to ≤5 mL/min flow rates, the UV7001 integrates a field-optimized flow cell with adjustable pathlength (1–5 mm) and fiber-optic coupling, enabling real-time, non-diverted detection at up to 20 L/min—critical for monitoring large-volume fraction collection in process-scale separations.
Key Features
- Dual-beam optical design with real-time reference compensation for superior baseline stability and reduced environmental sensitivity
- Automated wavelength calibration and three scanning modes (full-spectrum, peak search, fixed-wavelength) for method flexibility and validation readiness
- Adjustable flow cell pathlength (1–5 mm) to optimize sensitivity vs. linear dynamic range across diverse analyte concentrations
- Fiber-optically coupled flow cell architecture eliminating alignment drift and supporting rapid installation in modular Prep-LC systems
- High-resolution 320 × 240 pixel 4.7-inch LCD with programmable backlight and on-device parameter navigation—enabling standalone operation or full remote control
- Comprehensive digital signal processing including hardware-based zero adjustment, selectable time constants (0.1–10.0 s), and auto-ranging absorbance measurement (0–3 AU)
Sample Compatibility & Compliance
The UV7001 accommodates standard stainless-steel, PEEK, or quartz flow cells compatible with common Prep-LC solvents (e.g., water, methanol, acetonitrile, isopropanol, and buffer systems up to pH 12). Its optical path design minimizes scattering artifacts from particulates or viscous mobile phases common in crude feedstock injections. The detector meets ISO/IEC 17025-relevant performance criteria for quantitative UV-Vis detection and supports GLP/GMP workflows through full audit-trail capability, electronic signatures, and secure user access levels in its PC workstation software. All firmware and software components are validated per FDA 21 CFR Part 11 and CFDA GxP requirements—including data integrity controls, change management logs, and immutable raw-data archiving.
Software & Data Management
Control and data acquisition are performed via Sanotac’s Windows-based ChromaLink™ Workstation (compatible with Windows 7/8/10), which implements an open communication protocol (RS-232/USB) for seamless integration with third-party pumps, fraction collectors, and PLC-based process controllers. The software provides synchronized multi-instrument control, real-time chromatogram overlay, peak integration using ICH Q2(R2)-aligned algorithms, and customizable report templates exportable in PDF, CSV, and .raw formats. Raw spectral and time-series absorbance data are stored in vendor-neutral HDF5 containers, ensuring long-term readability and interoperability with MATLAB, Python (via h5py), or enterprise LIMS platforms. All user actions—including method edits, calibration events, and data exports—are timestamped and logged with operator ID.
Applications
- Monitoring elution profiles during large-scale protein A affinity chromatography and ion-exchange polishing steps
- Real-time detection of small-molecule APIs in flash and medium-pressure preparative HPLC (up to 20 L/min flow)
- Multi-wavelength tracking of degradation products or co-eluting impurities in forced degradation studies
- Method transfer support between analytical and preparative systems via identical spectral acquisition parameters
- In-line quality-by-design (QbD) monitoring for continuous chromatography systems requiring uninterrupted UV signal integrity
FAQ
Can the UV7001 be integrated into a fully automated GMP-compliant Prep-LC skid?
Yes—the detector supports deterministic trigger signals, hardware interlocks, and 21 CFR Part 11-compliant electronic records when paired with validated ChromaLink™ Workstation v3.2 or later.
Is the flow cell compatible with aggressive solvents such as THF or DMSO?
Standard configurations use PEEK and sapphire windows rated for THF, DMSO, and chlorinated solvents; optional quartz flow cells are available for extended UV transparency below 200 nm.
Does the dual-lamp system require manual replacement or alignment?
No—lamp selection is fully automated based on set wavelength; both lamps are pre-aligned at factory and require no field adjustment.
How is baseline noise performance verified during IQ/OQ?
A standardized test protocol using 100% methanol at 254 nm, 1 s time constant, and 2 mm pathlength is included in the qualification package, with acceptance criteria aligned to USP and ASTM E275.
Can the detector operate without a PC connection?
Yes—local control via front-panel interface supports basic acquisition, wavelength setting, gain adjustment, and digital zeroing; full method storage and reporting require workstation software.
