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UV-Vis Spectrophotometer

Model：

HD-UV90A

Introduction：

UV-Vis Spectrophotometer (Double-beam UV-Vis Spectrophotometer) measures absorbance and transmittance over a wide wavelength range with adjustable bandwidth. Widely used in pharmaceutical, food, chemical, environmental and research labs....

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  • Technical Specifications
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I. Instrument Functions

1. Variable spectral bandwidth, so that the instrument can be matched to different samples and different testing requirements.

2. Photometric measurement: absorbance and transmittance; multi-wavelength fixed-point measurement of up to 30 wavelengths simultaneously.

3. Quantitative analysis: automatic establishment of standard curves, which can be stored and recalled for later tests.

4. Qualitative analysis: adjustable scan speed, fine adjustment of the filter position and full spectrum processing.

5. Kinetic measurement: calculation of enzyme kinetic reaction rates.

6. DNA/protein measurement: built-in dedicated formulas give the final result directly, providing easy access to life science research.

7. Combined with a PC reverse-control workstation, the functions and data processing capability are further enhanced.

II. Instrument Features

1. A 10-inch LED colour LCD gives a clear and intuitive display.

2. With the optional sample temperature control system the sample temperature can be controlled from -5 °C to 200 °C.

3. The lamp correction mechanism positions the lamp at the optimum point at every self-test, which repairs a focus shift caused by transport vibration and eliminates lamp alignment after a lamp replacement.

4. The optical system and the electronic control system are rigorously designed and only strictly selected components are used, giving high accuracy, good repeatability, low noise and low stray light.

5. The open sample compartment accepts an optional reflectance holder, automatic 5-cell, 6-cell or 8-cell holders, a solid sample holder, a thermostatic water bath and an autosampler.

III. Technical Parameters

ItemHD-UV90HD-UV90A
Wavelength range190–1150 nm190–1150 nm
Spectral bandwidth1.8 nm / 1 nm (optional)0.5 nm / 1 nm / 2 nm / 4 nm / 5 nm (adjustable)
Optical systemDouble beam, CT optical path; 1200 lines/mm laser holographic diffraction gratingDouble beam, CT optical path; 1200 lines/mm laser holographic diffraction grating
Wavelength accuracy±0.1 nm (at 656.1 nm D2); ±0.3 nm (full range)±0.1 nm (at 656.1 nm D2); ±0.3 nm (full range)
Wavelength repeatability±0.1 nm±0.1 nm
Wavelength resolution0.05 nm0.05 nm
Photometric range-4 to 4 A; 0–200%T; -9999 to 9999 C-4 to 4 A; 0–200%T; -9999 to 9999 C
Photometric accuracy±0.002 A (0–0.5 A); ±0.004 A (0.5–1.0 A); ±0.2%T (0–100%T)±0.002 A (0–0.5 A); ±0.004 A (0.5–1.0 A); ±0.2%T (0–100%T)
Photometric repeatability±0.001 A (0–0.5 A); ±0.002 A (0.5–1.0 A); ±0.1%T (0–100%T)±0.001 A (0–0.5 A); ±0.002 A (0.5–1.0 A); ±0.1%T (0–100%T)
Stray light≤0.03%T≤0.03%T
Baseline flatness±0.0008 A (190–1100 nm)±0.0008 A (190–1100 nm)
Stability±0.0004 A/h at 500 nm, 0 A±0.0004 A/h at 500 nm, 0 A
Photometric noise±0.0003 A±0.0003 A
Display10-inch colour LCD10-inch colour LCD
Data outputUSB output, software outputUSB output, software output
Power supply80–250 V (power 120 W)80–250 V (power 120 W)
Dimensions550 × 400 × 260 mm550 × 400 × 260 mm
Net weight24 kg25 kg

Note: the two models share the same platform and differ mainly in spectral bandwidth and net weight.

The video is currently in production, please stay tuned......
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