UV-VIS-NIR Spectrophotometer UH-4150

Description

UH-4150 UV-VIS-NIR Spectrophotometer Specifications

1. Optical System

• Type: Double-beam, double-monochromator system

• Light Source:

  • Deuterium (D₂) Lamp: 190–360 nm (UV)

  • Tungsten-Halogen (WI) Lamp: 360–900 nm (VIS)

  • Additional NIR Lamp (optional): 900–2,600 nm

• Monochromator:

  • Grating: Two high-efficiency holographic gratings

  • Focal Length: 300 mm

  • Stray Light: <0.00005% at 220 nm (NaI)

• Spectral Bandwidth:

  • UV-VIS: 0.1, 0.2, 0.5, 1, 2, 5 nm (variable)

  • NIR: 0.2, 0.5, 1, 2, 4, 8 nm (variable, optional)

2. Wavelength Range & Accuracy

• Standard Range: 190–900 nm

• Extended Range (with NIR option): 190–2,600 nm

• Wavelength Accuracy: ±0.08 nm (at 656.1 nm)

• Wavelength Reproducibility: ±0.005 nm

3. Detectors

• UV-VIS: Photomultiplier Tube (PMT)

• NIR: PbS detector (cooled, for 900–2,600 nm)

4. Performance Metrics

• Absorbance Range: -4.0 to 6.0 Abs

• Photometric Accuracy: ±0.002 Abs (at 1.0 Abs, 340 nm)

• Baseline Stability: ±0.0003 Abs/hour (after warm-up)

• Noise Level: ≤0.00005 Abs (at 500 nm, 2 nm bandwidth)

5. Scanning & Data Acquisition

• Scan Speed: 1–4,000 nm/min (adjustable)

• Data Interval: 0.01 nm minimum

• Resolution: 0.1 nm (UV-VIS), 0.2 nm (NIR)

6. Sample Compartment

• Cell Holder: Standard 10 mm path length (compatible with micro-volume cells)

• Temperature Control: Optional Peltier cell holder (-10°C to +100°C, ±0.1°C accuracy)

• Larger Samples: Integrating sphere accessory for solid/powder samples

7. Software & Connectivity

• Control Software: Hitachi UV Solutions (PC-compatible)

  • Supports 21 CFR Part 11 compliance (for pharmaceutical use)

  • Built-in pharmacopeia methods (USP, EP, JP)

• Interfaces: USB, Ethernet, RS-232

8. Dimensions & Weight

• Main Unit: 750 mm (W) × 450 mm (D) × 350 mm (H)

• Weight: ~40 kg

9. Power Requirements

• Voltage: 100–240 V AC, 50/60 Hz

• Power Consumption: 500 W

10. Environmental Conditions

• Operating Temperature: 15–30°C

• Humidity: ≤80% RH (non-condensing)

11. Applications

• Pharmaceutical: Dissolution testing, purity analysis

• Materials Science: Bandgap measurement, thin-film analysis

• Life Sciences: DNA/RNA quantification, protein assays

• Industrial: Colorimetry, quality control

12. Accessories (Standard/Optional)

• Standard:

  • 10 mm quartz cuvettes

  • UV Solutions software (basic package)

• Optional:

  • NIR Extension Kit (900–2,600 nm)

  • Diffuse Reflectance Attachment

  • Automatic 6-cell changer

  • Temperature-controlled cell holder