Spectrophotometer

UV1901 PCS Double Beam UV Spectrophotometer

Product description: UV1901 PCS Double Beam UV-Vis Spectrophotometer offers high-precision measurements (190-1100 nm) with adjustable bandwidths, real double beam metering.
INQUIRY

The UV1901/UV1901PCS Series Double Beam UV-Visible Spectrophotometer is a high-parameter professional instrument.

Photometric Measurement: Measures transmittance and absorbance at 1 to 6 wavelengths simultaneously.
Spectral Measurement: Performs spectrum scanning of transmittance, absorbance, and energy within the wavelength range, with various data processing functions such as peak-valley detection, derivative calculations, and spectrum operations.
Quantitative Measurement: Supports single-wavelength, dual-wavelength, triple-wavelength, and multi-wavelength determination. Provides 1 to 9-point working curve regression (1st to 4th order).
Kinetics Measurement: Conducts time-based transmittance and absorbance scans at any selected wavelength with multiple data processing functions.
Data Output: Stores and retrieves data and parameter files. Measurement results are output in standard universal data file formats.

Newly designed high-quality optical system with a high-performance holographic blazed grating ensures low stray light.
Double-beam photometric system with an advanced electronic control circuit provides high stability and ultra-low noise.
Fully automated control system with an advanced design concept ensures high reliability and stability.
Detachable sample compartment allows easy replacement of different accessories to meet various analysis needs.
Spacious open-type light source chamber for easy lamp replacement.
Critical components imported to ensure high reliability and performance.
Windows-based software with both English and Chinese language support, offering a wide range of analytical functions.
Automatic 8-cell holder design for enhanced functionality.

Parameter	UV1901	UV1901PCS
Operation Mode	Standalone operation or PC control with software, capable of independent scanning
Wavelength Range	190 – 1100 nm
Spectral Bandwidth	1 nm	Adjustable: 0.5/1.0/2.0/3.0/5.0 nm
Optical System	Double-beam, CT-type optical path; 1200 lines/mm laser holographic diffraction grating
Wavelength Accuracy	±0.1 nm (D₂ 656.1 nm), ±0.3 nm (full wavelength range)
Wavelength Repeatability	≤ 0.1 nm
Working Modes	T, A, C, E
Photometric Range	-3 to 4A; 0-200%T; -9999 to 9999C
Photometric Accuracy	±0.002A (0-0.5A), ±0.004A (0.5-1A), ±0.2%T (0-100%T)
Photometric Repeatability	±0.001A (0-0.5A), ±0.002A (0.5-1A), ±0.15%T (0-100%T)
Stray Light	≤ 0.03%T
Baseline Flatness	±0.0001A
Stability	±0.0003A (at 500 nm)
Photometric Noise	±0.0003A
Data Output	320×240 graphical LCD display
Optional Output	USB 2.0 printer and/or USB flash drive data storage, PC software connection via USB
Light Source	Imported long-life tungsten and deuterium lamps
Dimensions (mm)	670 × 560 × 260
Weight	24 kg	26 kg