HZ1902 Dual-beam UV-VIS Spectrophotometer
Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of hz1902 dual-beam uv-vis spectrophotometer in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.
HZ1902 Dual-beam UV-VIS Spectrophotometer
Characteristics and Applications
The HZ1902 is a double-beam UV/VIS spectrophotometer with a scanning function. It offers a wide spectral range and high-quality performance. With built-in microcomputer system, excellent optical and electronic circuitry, rational mechanical structure, and large LCD display screen, the instrument provides an effective and visual solution for laboratory analysis across various industries.
The instrument is designed with software protection to restore normal operation in the event of a failure.
HZ1902 provides fast and simple analytical methods to be widely used in organic, inorganic, petroleum, pharmacy, environment, bio-chemistry, medicine, food and other national economy departments for QC and QA.
Technical Indicators
|
Model |
HZ1902 |
HZ1901 |
|
Photometric |
Transmittance,Absorbance,Energy,Reflectivity |
|
|
Wavelength Range |
190nm～1100nm |
|
|
Spectrum Bandwidth |
1nm |
2nm |
|
Stray Light |
≤0.03%T (220nm NaI,360nm NaNO2) |
|
|
Wavelength Accuracy |
±0.3nm |
|
|
Wavelength Repeatability |
0.1nm |
|
|
Photometric Range |
-4A～4A |
|
|
Photometric Accuracy |
±0.3%T(0～100%T) ±0.002A(0～0.5A) ±0.004A(0.5～1A) |
|
|
Photometric Repeatability |
0.001A(0～0.5A) 0.002A(0.5～1A) |
|
|
Stability |
≤±0.0004A/h(2 hours after turn-on, at 500nm) |
|
|
Noise |
≤0.0003A |
|
|
Baseline Flatness |
≤±0.0008A |
≤±0.001A |
|
Power |
AC 100V~240V 50Hz/60Hz |
|
|
Light source |
Deuterium & Tungsten-halogen lamp |
|
|
Scanning Speed |
Fast Middle Slow |
|
Main Functions
The instrument offers two main functions: automatic control and analytical test with information processing.
Automatic Control
Power-on self-diagnosis of internal system status and automatic wavelength calibration
Wavelength change and automatic positioning
Automatic filter switching
Automatic lamp switching
Automatic selection of optimal lamp source switching point
Spectrum and data display and printing
Error message display
Analytical Test and Information Processing
Spectrum scanning
Single-wavelength quantitative analysis (including multi-variable regression concentration measurement)
Two-wavelength and three-wavelength quantitative analysis (including multi-variable regression concentration measurement)
Multi-variable derivative measurement
Multi-wavelength measurement
Chemical kinetics measurement
Curve combination and manipulation, multi-variable differential smoothing, curve reduction and amplification, curve storage and recall
Peak value identification, searching, and printing
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