Alltesta™ Mini UV-Vis Detector
The Alltesta™ Mini UV-Vis Detector is designed with researchers and analysts in mind. This compact yet highly capable device provides accurate, real-time monitoring of the optical properties in flowing solutions. The detector is engineered to operate in various laboratory applications, including High-Performance Liquid Chromatography (HPLC), Flow Injection Analysis (FIA), preparative and flash chromatography and many more.
The device comes standard with four different wavelength channels, including 460 nm (Blue), 520 nm (Green), 630 nm (Red), and 275 nm (UV). Custom configurations are also available, allowing any four wavelengths starting from 255 nm to be factory-selected to meet specific application requirements.
The Alltesta™ Mini UV-Vis Detector features a simple setup process with a USB interface that allows it to communicate with the Alltesta™ Analyzer or integrate with other instrumentation. Powered solely by its USB port, this detector is capable of monitoring up to four different wavelengths simultaneously. It is available with 3 µL and 10 µL optical flow cells. The low-volume flow cell minimizes sample dispersion even at low flow rates. The detector can collect data at 20 sps per optical channel, making it suitable for demanding applications. In addition to its compact size and versatility, the Mini Detector also has zero warm-up time and exceptional light source durability. Stable LED light sources provide long operational life and eliminate the need for routine lamp replacement.
A built-in adjustable pressure regulator helps maintain a bubble-free optical path. The detector can be supplied with an optional analog output module for integration with external data acquisition and analytical systems.
Special Features
- Additional Features: In addition to the standard wavelengths, the detector can be supplied with custom wavelengths based on your specific research or analytical needs. Any four wavelengths starting from 255 nm can be factory-selected. The Alltesta™ Mini UV-Vis Detector can be tailored to suit a wide array of applications, including specialized measurements that may require unique wavelength settings.
- The Alltesta™ Mini UV-Vis Detector is controlled by a set of serial commands. An open serial protocol is provided for customers who want to develop their own control software.
- Multi-Wavelength Detection: Default four-channel detection wavelengths:
- 460 nm (Blue)
- 520 nm (Green)
- 630 nm (Red)
- UV Channel (Choice of 235 nm, 255 nm or 275 nm)
- Compact and Lightweight: Can be used for portable and limited space applications.
- Low-Volume Optical Cells: Available in 3 µL and 10 µL configurations.
- Minimal Sample Dispersion: Low optical cell volume ensures flow integrity at low flow rates.
- Built-in Adjustable Pressure Regulator: Maintains 10–75 psi internal pressure to help provide a bubble-free optical path.
- High-Speed Data Collection: 20 samples per second per channel provides accurate monitoring of liquid-flow optical characteristics.
- Exceptional Linearity: Accurate detection over 4+ orders of magnitude.
- Zero Warm-Up Time: Ready for immediate use.
- USB-Powered: No additional power source required.
- Optional Analog Output: Available for integration with external data acquisition and analytical systems.
- Durable and Reliable: Designed for long-term use in laboratory settings.
Technical Specifications
| Dimensions (WHL) | 63 x 46 x 116 mm / 2.48 x 1.81 x 4.57 in |
| Weight | 0.25 kg / 0.55 lb |
| Optical Cell Volume | Available in 3 μL and 10 μL options |
| Cell Optical Path | 3 mm and 7.0 mm (other types of cells are available) |
| Liquid Ports | 10-32 UNF compression |
| Built-in pressure regulator | Adjustable, 10-75 psi internal pressure |
| Maximum cell pressure | 250 psi (18 bar) |
| Wavelength Range, custom | 255 nm and up |
| Wavelength Range, standard | 275, 460, 520, 630 nm |
| Simultaneous Wavelengths | 4 |
| Data Rate | 20 sps/channel |
| Noise Level | 0.02 - 0.05 mAU |
| Power | USB Type B |
| Analog Signal (Option) | Analog voltage range output |
| Output Range | -1V - +4.5V (-1AU - +4.5AU) |
| Digital-to-Analog Converter (DAC) resolution | 20 bit |
| Data Rate | 20 sps/channel |
| Wavelength Range, custom | Any four wavelengths starting from 255 nm, specify with order |
| Power | 3.5 mm Jack Connector |
Applications
High-Performance Liquid Chromatography (HPLC)
The Alltesta™ Mini UV-Vis Detector is ideal for HPLC systems, offering precise real-time detection of separated components based on their absorbance at specific wavelengths, enabling accurate identification and quantification of compounds in complex mixtures.
Flow Injection Analysis (FIA)
The detector excels in Flow Injection Analysis (FIA) by providing continuous and rapid monitoring of sample flows, ensuring quick and accurate analysis of diverse chemical reactions or analytes in automated setups.
Preparative and Flash Chromatography
In preparative and flash chromatography, the Alltesta™ Mini UV-Vis Detector supports efficient and reliable monitoring of the separation process, allowing for the precise detection of fractions and ensuring the purity of the collected compounds.
Real-time liquid flow optical property monitoring
With its ability to continuously monitor the optical properties of flowing solutions, the detector provides real-time data for applications requiring constant surveillance of chemical and physical changes during experiments or industrial processes.
Analytical Chemistry and Research Laboratories
The Alltesta™ Mini UV-Vis Detector is an essential tool in analytical chemistry and research laboratories, where it is used for a variety of analyses, including the study of reaction kinetics, compound stability, and purity assessment in both academic and industrial settings.
OEM and Instrument Integration
Compact dimensions, USB-powered operation, an open serial protocol, and optional analog output support integration into custom analytical instrumentation.
Documents
Software & Connectivity
The Alltesta™ Mini Detector can be operated in several ways:
- – Direct Serial Commands – Serial Alltesta™ protocol (the protocol available upon request, please contact us at support@sielc.com)
- – Demo Software – directly via our demo software, allowing to learn the whole functionality of the unit (Windows 10, 32/64bit, 5Mb, Windows 7, 32/64bit, 127Mb)
- – Remotely through our cloud software (as a part of Alltesta™ Automated Analyzer)
- – The output can be monitored directly via analog signal output.
