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| Brand | Ultron |
|---|---|
| Model | UC-3293 |
| Wavelength Range | 190–740 nm |
| Cutoff Filter | 370 nm |
| Light Source | Deuterium Lamp (standard), Tungsten-Halogen Lamp (optional) |
| Spectral Bandwidth | 8 nm |
| Wavelength Accuracy | ±1 nm |
| Noise | 2 × 10⁻⁵ AU (at 254 nm, 1 mL/min, methanol) |
| Drift | 1.5 × 10⁻⁴ AU/h (at 254 nm, 1 mL/min, methanol) |
| LOD (Naphthalene) | 5 × 10⁻⁹ g/mL |
| Absorbance Range | 0–2 AU |
| Display | 2×16 Character LCD |
| GLP Features | Lamp operating time logging, ignition cycle counter |
| Dimensions (L×H×D) | 306 × 210 × 420 mm |
| Weight | 10 kg |
| Output Interface | RS232, Analog Output (0–1 V / 0–5 V / 0–10 V configurable) |
| Flow Cell Design | Z-shaped, thermostatically controlled |
| Optical Path | Dual-beam |
| Wavelength Scanning | Stop-flow spectral scan capability |
| Wavelength Programming | User-defined wavelength sequences |
| Calibration | Automatic wavelength calibration at power-on |
| Brand | Ultron |
|---|---|
| Model | UC-3292 |
| Detector Type | Ultraviolet-Visible Absorbance Detector (UVD) |
| Wavelength Range | 190–740 nm |
| Cutoff Filter | 370 nm |
| Light Sources | Deuterium Lamp (standard), Tungsten-Halogen Lamp (optional) |
| Spectral Bandwidth | 8 nm |
| Wavelength Accuracy | ±1 nm |
| Noise | ≤2 × 10⁻⁵ AU (at 254 nm, 1 mL/min, methanol) |
| Drift | ≤15 × 10⁻⁵ AU/h (at 254 nm, 1 mL/min, methanol) |
| Minimum Detectable Concentration | 5 × 10⁻⁹ g/mL (naphthalene standard, 254 nm, 1 mL/min, methanol) |
| Absorbance Range | 0–2 AU |
| Display | 2×16-character LCD (English) |
| GLP Functions | Lamp operating time logging, ignition cycle counter |
| Flow Cell Design | Z-shaped thermostatted flow cell |
| Optical Design | Dual-beam compensation |
| Data Output | 24-bit A/D conversion, RS232 interface, analog output (0–1 V or 0–5 V) |
| Dimensions (L×H×D) | 200 × 210 × 420 mm |
| Weight | 7.1 kg |
| Brand | Ulink Optoelectronics |
|---|---|
| Origin | Beijing, China |
| Model | UC-3291 |
| Detector Type | Ultraviolet Absorbance Detector (UVD) |
| Wavelength Options | 254 nm, 280 nm, 365 nm, 415 nm |
| Light Source | Low-Pressure Mercury Lamp / LED Hybrid |
| Lamp Lifetime | 5,000 h |
| Noise | 4 × 10⁻⁵ AU (at 1 mL/min in methanol) |
| Drift | 3 × 10⁻⁴ AU/h (at 1 mL/min in methanol) |
| Minimum Detectable Concentration | 2 × 10⁻⁸ g/mL (naphthalene standard, 1 mL/min in methanol) |
| Auto-Zero Function | Local panel or remote via RS-232/RS-485 |
| Linear Range | 0–2.5 AU |
| Display | 2-line × 8-character LCD |
| Dimensions (L×H×D) | 130 × 210 × 110 mm |
| Weight | 1.7 kg |
| Flow Cell Options | Analytical and Semi-Preparative Configurations |
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