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| Brand | Haileong |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Dual-beam UV-Vis spectrophotometer |
| Detector | Photomultiplier tube (PMT) |
| Wavelength Range | 190–1100 nm (UV1801/UV1800PC/TU1810), 325–1100 nm (UV1600PC-V7) |
| Spectral Bandwidth | 1 nm (UV1801), 1.8 nm (UV1800PC/TU1810), 4 nm (UV1600PC-V7) |
| Wavelength Accuracy | ±0.3 nm (UV1801), ±0.5 nm (others) |
| Wavelength Repeatability | 0.1–0.2 nm |
| Stray Light | ≤0.05% T at 220 nm and 360 nm |
| Photometric Accuracy | ≤±0.3% T (0–100% T), ±0.002 A (0–0.5 A), ±0.004 A (0.5–1 A) |
| Photometric Repeatability | ≤±0.15% T (0–100% T), ±0.001 A (0–0.5 A), ±0.002 A (0.5–1 A) |
| Baseline Flatness | ±0.002 A |
| Drift | ±0.001–0.002 A/h at 500 nm |
| Optical Design | Czerny-Turner monochromator with 1200 lines/mm grating |
| Light Sources | Deuterium lamp (D₂) and tungsten-halogen lamp (W) with automatic switching |
| Sample Compartment | Accommodates cuvettes from 5 mm to 100 mm pathlength |
| Data Interface | USB port for data export |
| Display | LCD screen |
| Power Supply | AC 90–240 V, 50 Hz |
| Dimensions | 470 × 370 × 240 mm |
| Weight | 13 kg |
| Brand | Haileong |
|---|---|
| Model | UV-2204 |
| Optical System | Double-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 200–1000 nm |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±0.3 nm |
| Photometric Accuracy | ±0.3% T |
| Photometric Repeatability | ≤0.2% T |
| Stray Light | ≤0.2% T @ 220 nm & 360 nm |
| Baseline Stability | ±0.002 A/h @ 500 nm |
| Display Resolution | 0.1 nm |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C), Factor (F) |
| Light Sources | Imported Deuterium Lamp & Tungsten-Halogen Lamp (Auto-Switching) |
| Monochromator | Czerny-Turner (CT) Type |
| Interface | USB 2.0 |
| Sample Compartment | Accommodates Cuvettes from 5 mm to 100 mm Pathlength |
| Power Supply | AC 90–240 V, 50 Hz |
| Dimensions | 470 × 370 × 200 mm |
| Weight | 13 kg |
| Brand | Hailong |
|---|---|
| Origin | Shanghai, China |
| Model | 723 / 723N / 7230G / X3 |
| Wavelength Range | 325–1000 nm |
| Spectral Bandwidth | 2–4 nm |
| Wavelength Accuracy | ±1–±2 nm |
| Stray Light | ≤0.2%T @ 360 nm |
| Photometric Accuracy | ±0.3–±0.5%T |
| Photometric Repeatability | ≤0.2%T |
| Baseline Stability | ±0.002 A/h @ 500 nm |
| Wavelength Resolution | 0.1 nm |
| Detector Type | Photomultiplier Tube (PMT) |
| Optical Design | Czerny-Turner Monochromator |
| Light Source | Imported Tungsten-Halogen Lamp |
| Display | LCD with 0.1 nm wavelength resolution |
| Sample Compartment | Accepts 5–100 mm cuvettes |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C), Factor (F) |
| Auto-zero & Auto-100%T Calibration | Yes |
| Interface | USB (for optional XP-based analysis software) |
| Power Supply | AC 90–240 V, 50 Hz |
| Dimensions | 470 × 370 × 200 mm |
| Weight | 12 kg |
| Brand | Hailong |
|---|---|
| Origin | Shanghai, China |
| Model | 721 / 721N / X1 |
| Wavelength Range | 325–1000 nm |
| Spectral Bandwidth | 4–5 nm |
| Wavelength Accuracy | ±2–±3 nm |
| Stray Light | ≤0.2% T @ 360 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤0.2% T |
| Stability | ±0.002 A/h @ 500 nm |
| Detector Type | Photomultiplier Tube (PMT) |
| Optical System | Self-collimating monochromator with 1200 lines/mm grating |
| Light Source | Imported tungsten-halogen lamp |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C), Factor (F) |
| Sample Chamber | Accommodates cuvettes from 5 mm to 50 mm pathlength |
| Dimensions | 400 × 310 × 160 mm |
| Weight | 6 kg |
| Brand | Hailong |
|---|---|
| Origin | Shanghai, China |
| Model | 722 / 72S / 722N / X2 |
| Price Range | USD 0–799 |
| Optical Design | Dual-wavelength |
| Detector Type | Photomultiplier Tube (PMT) |
| Wavelength Range | 325–1000 nm |
| Wavelength Scanning | Motorized automatic wavelength selection |
| Spectral Bandwidth | 4–5 nm |
| Wavelength Accuracy | ±2 nm |
| Stray Light | ≤0.2% T at 360 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤0.2% T |
| Baseline Stability | ±0.002 A/h at 500 nm |
| Light Source | Imported tungsten-halogen lamp |
| Monochromator | Czerny-Turner self-collimating design |
| Sample Compartment | Accommodates cuvettes from 5 mm to 50 mm pathlength |
| Interface | USB 2.0 |
| Operating Modes | Transmittance (T), Absorbance (A), Concentration (C), Factor (F) |
| Zero Adjustment | Fully automated OA and 100% T calibration |
| Dimensions | 400 × 310 × 160 mm |
| Weight | 6 kg |
| Brand | Hailong |
|---|---|
| Origin | Shanghai, China |
| Model | TU-1901AS / TU-1901B / TU-1901plus / TU-1901S / TU-1901 |
| Optical System | Dual-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 0.1–5 nm (model-dependent) |
| Wavelength Accuracy | ±0.1 nm (@ 656.1 nm D₂ line), ±0.3 nm (full range) |
| Stray Light | ≤0.02% T (at 220 nm with NaI |
| Photometric Accuracy | ±0.002 A (0–0.5 A), ±0.3% T (0–100% T) |
| Photometric Repeatability | ±0.001 A (0–0.5 A), ±0.15% T (0–100% T) |
| Baseline Flatness | ±0.0005 A |
| Baseline Drift | ±0.0005 A/h |
| Noise | ±0.0003 A (500 nm, 0 A, 2 nm bandwidth) |
| Display | 8-inch true-color capacitive touchscreen |
| Data Output | USB 3.0 ×3, Ethernet, Wi-Fi, Bluetooth, Email/PDF/Excel export |
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