UV-Vis Spectrophotometer

This instrument integrates UV-Vis measurement capabilities into a compact housing. It features a single-beam C-T optical system and a photodiode (PD), with automatic switching between a deuterium lamp and a tungsten lamp, and a wavelength range of 190–1100 nm. Equipped with a 7-inch color capacitive touchscreen, it can independently perform routine photometric analysis, spectral scanning, quantitative analysis, and protein/DNA assays, making it ideal for laboratories that need to balance wavelength coverage with bench space. The instrument supports the export of all measurement data and reports.

It is suitable for laboratories with limited bench space that require coverage of both the UV and visible wavelength ranges, and can be used in routine testing scenarios such as water quality testing, food and beverage quality control, basic chemical analysis, agricultural testing, healthcare, and education. The instrument can be used for routine photometric measurements, quantitative analysis via standard curves, spectral scanning, time-resolved scanning, multi-wavelength measurements, and protein/DNA assays. It is capable of performing spectrophotometric analysis of water quality parameters—such as ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, total phosphorus, and total nitrogen—as well as certain air, exhaust gas, and soil parameters, in accordance with relevant standard methods. Its compact design and 7-inch touchscreen facilitate standalone operation and benchtop placement; when connected to a PC, it enables additional functions such as data storage, spectrum export, report management, and audit trail tracking. The specific scope of application should be determined based on the testing method, sample type, and experimental conditions.

• Single-beam UV-Vis measurement system: Features a C-T monochromator, a 1200-line/mm holographic grating, and a photodiode (PD), with a wavelength range of 190–1100 nm. Automatically switches between a deuterium lamp and a tungsten lamp, supporting photometric measurements and spectral scanning in the UV and visible regions.

• Wavelength and Photometric Performance: Maximum permissible wavelength error of ±0.1 nm (at 656.1 nm) and ±0.3 nm (across the entire wavelength range); maximum permissible transmittance error of ±0.3%T (0–100%T); transmittance repeatability of ≤0.1%T; stray light of ≤0.1%T.

• Compact Design and Touchscreen Operation: Dimensions: 460 × 360 × 205 mm (W × D × H); weight: (14 ± 1) kg, making it easy to fit on a lab bench. Equipped with a 7-inch color capacitive touchscreen with a resolution of 1024 × 600, supporting both Chinese and English interfaces.

• Multi-mode Analysis and Biological Sample Measurement: Supports photometric measurement, multi-wavelength measurement, spectral scanning, quantitative measurement, time-resolved scanning, and protein/DNA quantification. Equipped with automatic wavelength calibration, baseline correction, peak detection, and standard curve fitting functions, it can perform routine photometric analysis and record absorbance changes over time.

• Standalone and PC Dual Operation Modes: The main unit can independently perform parameter settings, measurements, and result viewing, or it can be connected to a PC host for instrument control and data processing.

• Full Data Export and Report Generation: In standalone mode, the unit supports exporting all measurement data and test reports via a USB flash drive, with support for A4-format PDF reports. The PC host supports storage of all measurement data, spectrum export, test report generation, and custom reports, facilitating the archiving of experimental data and verification of results.

• Audit Trail and Data Integrity Management: The PC host supports tiered user, role, and function-based permission management, with audit logs recording operations such as logins, parameter settings, method changes, and report exports. Combined with the raw data locking feature, this ensures a record of operations and data traceability, meeting laboratory audit management requirements.

• Spectral Bandwidth Configurable on Demand: The standard configuration features a 2 nm spectral bandwidth, with optional specifications of 1 nm, 1.8 nm, and 4 nm available; users can select the appropriate configuration based on the bandwidth required by the measurement method.

• Multi-Pathlength and Quadruple Holder Extensions: The standard configuration includes a 10 mm standard cuvette holder; optional adjustable-pathlength holders are available to accommodate pathlengths ranging from 10 to 100 mm. Additionally, an optional manual slide-out quadruple holder is available to facilitate sequential switching between multiple cuvettes, accommodating different pathlengths and sample loading arrangements.

• Lamp Replacement Without Calibration and Maintenance Management: No optical path recalibration is required after replacing the light source. The system supports recording of light source usage time, making it easy to track usage and schedule maintenance. The main unit supports Wi-Fi connectivity for software updates.