The BRT-5200UV UV Vis Spectrophotometer is a high-precision benchtop analytical instrument engineered around a classic Czerny-Turner (C-T) monochromator optical architecture and a high-sensitivity silicon photocell detector. Designed for industrial QA/QC labs, pharmaceutical research centers, chemical testing facilities, and environmental testing agencies, it delivers superior baseline stability and high optical purity across the 190 nm to 1100 nm spectral range with a 2 nm spectral bandwidth, ±1 nm wavelength accuracy, and ≤0.5 nm wavelength repeatability.
Built with dual light sources—featuring an imported deuterium lamp for ultraviolet coverage and a tungsten halogen lamp for visible spectrum analysis—this versatile UV Vis Spectrophotometer guarantees reliable transmittance accuracy (±0.3%T) and low baseline drift. Equipped with a large dot-matrix LCD screen, onboard memory for 200 datasets and calibration curves, automated zeroing, real-time baseline monitoring, and high-speed USB PC software connectivity, the 15 kg BRT-5200UV provides a stable platform for routine concentration and photometric testing.
UV Vis Spectrophotometer Measurement & Analysis Capabilities
This C-T monochromator spectrophotometer equips laboratory operators to perform routine photometric, quantitative, and kinetic testing workflows across liquid and solution samples:
| Analysis Mode |
Methodology & Operational Scope |
Primary Testing Application |
| Photometric Measurement |
Direct determination of Absorbance (Abs) and Transmittance (%T) at user-selected fixed wavelengths across 190–1100 nm |
Routine sample clarity screening, optical density checks, and basic QA/QC transmittance testing |
| Quantitative Concentration Profiling |
Concentration determinations via standard coefficient method ($C = KA + B$) or multi-point standard sample curve fitting with automatic regression calculations |
Chemical solution concentration assays, environmental water pollutant checks (COD, nitrate, heavy metals), and active ingredient analysis |
| PC-Driven Kinetics & Spectral Analysis |
Time-course kinetics tracking, dynamic reaction rates, and multi-wavelength testing using optional professional PC software via USB connection |
Enzymatic reaction rates, dynamic degradation monitoring, and complex multi-component chemical evaluation |
Technological Features of BRT-5200UV UV Vis Spectrophotometer
- C-T Monochromator Optics & Silicon Photocell Detector
Engineered with a high-performance Czerny-Turner monochromator containing a 1200 lines/mm holographic grating and a silicon photocell detector for high optical linearity and minimal stray light.
- Dual Light Source System with Independent Control
Combines an imported deuterium lamp and a tungsten halogen lamp with automated microcomputer switching and independent lamp control to optimize light source longevity.
- Real-Time Baseline Monitoring & Auto Zero Calibration
Features active baseline drift monitoring to preserve optical accuracy during extended testing, backed by automated 0A and 100%T baseline calibration.
- 2 nm Spectral Bandwidth & 0.1 nm Display Resolution
Delivers a tight 2 nm optical bandwidth across 190–1100 nm with 0.1 nm readout resolution, ensuring high repeatability (≤0.5 nm) for accurate absorption measurement.
- Spacious Sample Chamber (5 mm to 100 mm Pathlength)
Accommodates cell holders for cuvettes ranging from 5 mm up to 100 mm pathlengths, making it suitable for both concentrated biological samples and dilute environmental solutions.
- Dual Output Ports (USB Interface & LPT Parallel Port)
Equipped with a USB port for streaming data to PC analysis software and an LPT parallel port for direct printing to dedicated laboratory printers.
Technical Specifications of UV Vis Spectrophotometer
| Product Model |
BRT-5200UV C-T Monochromator UV Vis Spectrophotometer |
| Optical System & Grating |
Single Beam C-T Monochromator, 1200 lines/mm Holographic Grating |
| Wavelength Spectrum & Bandwidth |
190 nm to 1100 nm; Spectral Bandwidth: 2 nm; Wavelength Resolution: 0.1 nm |
| Wavelength Accuracy & Repeatability |
Accuracy: ±1 nm; Repeatability: ≤0.5 nm |
| Photometric Range & Accuracy |
0 to 200%T, -0.301 to 3.000 Abs, -9999 to 9999 C; Transmittance Accuracy: ±0.3%T |
| Light Sources & Detector |
Tungsten Halogen Lamp & Imported Deuterium Lamp; Silicon Photocell Detector |
| Data Output & Memory Storage |
Stores 200 Datasets & Standard Curves; USB PC Interface, LPT Parallel Printer Port |
| Dimensions & Instrument Weight |
470 × 380 × 225 mm (W × D × H); Total Weight: 15 kg (33.07 lb) |
Standard Package Accessories Included
- Main Host Unit: BRT-5200UV UV Vis Spectrophotometer (1 unit).
- Quartz Cuvettes: 10 mm Standard Quartz Cuvettes (2 pcs for Ultraviolet spectrum testing).
- Glass Cuvettes: 10 mm Standard Glass Cuvettes (4 pcs for Visible spectrum testing).
- Sample Cell Holder: Standard Multi-Position Cell Holder.
- Power & PC Connectivity: AC Power Cable, USB Interface Cable.
- Documentation & Software: Operating Manual, Quality Certificate, Warranty Card.
Testing Workflow & Target Applications
Standardized Testing Workflow:
- Power on the BRT-5200UV; allow the system to execute dark current zeroing, lamp power check, and wavelength self-calibration.
- Select Photometric or Quantitative mode from the large LCD screen menu.
- Place a reference solvent blank into the cell holder and initiate auto 0A / 100%T baseline zeroing.
- Introduce standard samples to build a quantitative curve (or input coefficient K and offset B), then analyze test samples for direct concentration readouts.
- Store measurement datasets (up to 200 sets) directly to onboard memory, transmit via USB to optional PC software, or output reports via the LPT parallel printer port.
Target Customer Applications:
- Chemical processing facilities, petrochemical inspection bays, and raw material quality assurance.
- Pharmaceutical manufacturing labs, active pharmaceutical ingredient (API) assay centers, and life science labs.
- Environmental water testing laboratories (nitrate, phosphate, heavy metal, and COD assays).
- Academic chemistry labs, university research centers, and food safety inspection stations.
UV Vis Spectrophotometer FAQ
Q1: What is the significance of the C-T monochromator in the BRT-5200UV?
A: The Czerny-Turner (C-T) monochromator design uses dedicated optical elements to route light precisely through the 1200 lines/mm grating. This minimizes optical aberrations and stray light, resulting in a stable baseline and higher measurement accuracy.
Q2: How does real-time baseline monitoring benefit laboratory analysis?
A: Real-time baseline monitoring continuously tracks system performance and optical drift, ensuring that long analytical sequences maintain precise baseline integrity without requiring constant manual zeroing.
Q3: What analytical capabilities are unlocked by connecting optional PC software via USB?
A: While onboard functions handle direct photometric and quantitative concentration testing, connecting the instrument to PC software via USB enables time-course kinetic measurements, multi-wavelength testing, and spectral analysis.
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