BRT-1150UV UV Vis Spectrophotometer

The BRT-1150UV UV Vis Spectrophotometer is a high-precision, entry-level benchtop analytical instrument engineered with a 1200 lines/mm holographic grating, an optimized optical path, and a 3.2-inch TFT color LCD display (400×240 pixels). Designed for routine chemical testing, environmental monitoring, agricultural analysis, and educational laboratories, it provides low stray light and reliable photometric performance across the 190 nm to 1050 nm spectral range with a 4 nm spectral bandwidth, ±1.5 nm wavelength accuracy, and ≤0.5 nm wavelength repeatability.

Powered by dual deuterium and tungsten halogen light sources with automated wavelength positioning and zero-calibration controls, this compact UV Vis Spectrophotometer delivers accurate transmittance readings (±0.3%T) and versatile concentration determinations. Featuring onboard memory for 200 datasets and standard calibration curves, a spacious sample compartment supporting cuvettes up to 100 mm, USB data output, and parallel printer support, the lightweight 14 kg BRT-1150UV ensures intuitive, noise-free laboratory workflows.

UV Vis Spectrophotometer Measurement & Analysis Capabilities

This compact UV-Vis spectrometer equips laboratory technicians to perform a wide variety of essential photometric, quantitative, and kinetic measurement modes:

Technological Features of BRT-1150UV UV Vis Spectrophotometer

• 3.2-Inch TFT Color LCD Display (400×240 Pixels)

  Features a clear 3.2-inch TFT color screen combined with membrane keys and a rotary knob encoder for fast parameter adjustments and seamless navigation.

• 1200 Lines/mm Holographic Grating & Optimized Optics

  Utilizes a high-purity 1200 L/mm holographic grating and an optimized optical path to ensure low stray light and reliable transmittance accuracy (±0.3%T).

• Advanced Low-Noise Wavelength Drive Mechanism

  Incorporates a redesigned wavelength driving system that significantly enhances wavelength repeatability (≤0.5 nm) while drastically reducing internal mechanical drive noise.

• Automated Positioning & Startup Calibration

  Automatically drives the monochromator to user-selected wavelengths and performs automated 0A / 100%T zero-calibration to streamline daily operation.

• Spacious Cuvette Chamber (5 mm to 100 mm Path Lengths)

  Accommodates a wide range of sample cell holders and cuvettes from 5 mm up to 100 mm path length, ideal for low-concentration environmental samples.

• Dual Output Ports (USB Connection & Parallel LPT Port)

  Features a USB port for remote PC control, data logging, and PC software expansion, along with a parallel LPT port for direct printing to dedicated laboratory printers.

Technical Specifications of UV Vis Spectrophotometer

Standard Package Accessories Included

• Main Host Unit: BRT-1150UV UV Vis Spectrophotometer (1 unit).
• Quartz Cuvettes: 10 mm Standard Path Length Quartz Cuvettes (2 pcs for UV range testing).
• Glass Cuvettes: 10 mm Standard Path Length Glass Cuvettes (4 pcs for Visible range testing).
• Sample Cell Holder: Standard Multi-Position Cell Holder.
• Power & Data Connectivity: AC Power Adapter Cable, USB Interface Cable.
• Documentation & Software: User Manual, Quality Certificate, Warranty Card.

Testing Workflow & Target Applications

Standardized Testing Workflow:

1. Power on the BRT-1150UV; allow the instrument to initialize deuterium and tungsten lamps and execute automatic wavelength zeroing.
2. Select the target mode (Absorbance, Transmittance, Concentration, or Factor mode) on the 3.2-inch TFT color screen using the membrane keys or knob encoder.
3. Insert a reference solvent blank into the optical path and press zero to execute automatic 0A / 100%T baseline calibration.
4. Insert sample cuvettes to acquire direct photometric readouts or calculate unknown solution concentrations automatically.
5. Save measurement data (up to 200 datasets) to onboard memory, transmit via USB interface to optional PC software for kinetics and full-spectrum scanning, or print hard copies via the LPT parallel printer port.

Target Customer Applications:

• Environmental water quality testing laboratories (nitrate, phosphate, COD, and heavy metal assays).
• University chemistry teaching labs, educational institutions, and general research facilities.
• Agricultural chemistry testing centers, soil sample stations, and fertilizer quality analysis bays.
• Food & beverage quality control laboratories for liquid turbidity, clarity, and concentration screening.

UV Vis Spectrophotometer FAQ

Q1: What are the main user advantages of the rotary knob encoder and TFT screen on the BRT-1150UV?

A: The combination of a 3.2-inch TFT color screen and a rotary knob encoder enables fast menu selection, effortless numeric input, and clear graphical readouts, making routine operation fast and user-friendly.

Q2: What cuvette path lengths can be accommodated in the BRT-1150UV sample chamber?

A: The spacious sample compartment supports cell holders designed for cuvettes with optical path lengths ranging from 5 mm up to 100 mm, allowing easy measurement of both dilute and dense liquid samples.

Q3: How does connecting optional PC software via USB expand the instrument’s capabilities?

A: While the standalone BRT-1150UV performs photometric and quantitative testing, connecting optional PC software via USB unlocks full-wavelength spectrum scanning, continuous time-course kinetics, and multi-wavelength testing.