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| Brand | JIAYUAN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | NANO-200 |
| Price | USD 6,750 (FOB Beijing) |
| Sample Volume | 0.5–2 µL |
| Optical Pathlengths | 0.2 mm & 1.0 mm |
| Light Source | Xenon Flash Lamp (>10⁹ flashes) |
| Wavelengths | Fixed at 230 nm, 260 nm, 280 nm |
| Absorbance Accuracy | ±1% |
| Absorbance Precision | ±0.003 Abs |
| Absorbance Range | 0.02–80 (equivalent to 10 mm pathlength) |
| dsDNA Quantitation Range | 10–4000 ng/µL |
| Protein Quantitation Range | 0.1–100 mg/mL |
| Measurement Time | ≤5 s |
| Dimensions | 210 × 268 × 181 mm (W×D×H) |
| Sample Stage Material | Fused Silica Fiber + Hard-Anodized Aluminum |
| Power Supply | 24 V DC |
| Power Consumption | 40 W |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NanoDrop™ One |
| Price | USD 16,500 (FOB) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-1200 |
| Pricing | Available Upon Request |
| Display | 128 × 64 dot-matrix LCD |
| Wavelength Range | 190–1100 nm |
| Optical Resolution | 2.0 nm |
| Photometric Accuracy | ±0.3% T |
| Stray Light | ≤0.05% T at 220 nm and 360 nm |
| Detector | Imported silicon photodiode |
| Grating | 1200 lines/mm holographic blazed grating |
| Sample Compartment | Accommodates 5–100 mm pathlength cuvettes |
| Wavelength Calibration | Automatic (built-in holmium oxide or deuterium lamp reference) |
| Light Source Control | Auto-switching between D₂ (UV) and W-type tungsten-halogen (VIS/NIR) lamps with real-time lamp hour monitoring |
| Data Interface | USB 2.0 |
| Curve Storage | Up to 200 user-defined calibration curves |
| Software Compatibility | Windows-based PC control and data analysis suite (optional) |
| Brand | BIO-DL |
|---|---|
| Origin | Shanghai, China |
| Model | Micro Drop |
| Wavelength Range | 185–910 nm |
| Minimum Sample Volume | 0.5 µL |
| Pathlength Adjustment | 0.05–1 mm (automated) |
| dsDNA Detection Range | 2–15,000 ng/µL |
| Absorbance Accuracy | ±3% at 0.65 Abs (350 nm) |
| Absorbance Precision | 0.002 Abs (1 mm pathlength) |
| Spectral Resolution | <1.8 nm FWHM (Hg 253.7 nm) |
| Wavelength Accuracy | ±1 nm |
| Absorbance Range | 0.02–300 (equivalent to 10 mm pathlength) |
| Cuvette Mode Temperature Control | 37 ± 0.5 °C |
| Cuvette Pathlength Options | 1, 2, 5, 10 mm |
| Wireless Connectivity | Wi-Fi enabled |
| Dimensions | 220 × 135 × 180 mm |
| Weight | 2.1 kg |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV752 |
| Price | USD 1,280 (FOB Shanghai) |
| Optical System | Achromatic Czerny-Turner with 1200 lines/mm grating |
| Wavelength Range | 195–1020 nm |
| Wavelength Accuracy | ±2 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Repeatability | 1 nm |
| Stray Light | ≤0.3%T at 360 nm |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ±0.2%T |
| Photometric Range | 0–200%T, –0.301–2.000 A |
| Baseline Drift | ≤0.2%T/h |
| Baseline Linearity | ±0.004 A/h @ 500 nm |
| Noise | ≤0.3%T at 100%T |
| Stability | ±0.004 A/h @ 500 nm |
| Operating Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Display | 4-digit LED LCD |
| Zero Adjustment | Automatic |
| Wavelength Drive | Manual |
| Lamp Source | Imported tungsten lamp and deuterium lamp |
| Lamp Switching | Manual |
| Printer Interface | Parallel port (thermal printer, optional) |
| Net Weight | 12 kg |
| Brand | Jiayuan |
|---|---|
| Origin | Beijing, China |
| Model | NANO-100 |
| Sample Volume | 0.5–2 µL |
| Optical Path Lengths | 0.2 mm (high-concentration mode), 1.0 mm (standard mode) |
| Light Source | Xenon flash lamp (≥10⁹ flashes, ~10-year lifetime) |
| Detector | 3864-element linear CCD array |
| Wavelength Range | 200–850 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Resolution | 3 nm (FWHM at Hg 546 nm) |
| Absorbance Accuracy | ±1% (at 7.332 A, 260 nm) |
| Absorbance Precision | ±0.003 A |
| Absorbance Range | 0.02–90 A (equivalent to 10-mm path length) |
| Measurement Time | <5 s |
| Dimensions | 200 × 250 × 166 mm (W×D×H) |
| Weight | 2.6 kg |
| Sample Stage Material | Fused silica optical fiber + hardened aluminum |
| Power Supply | 24 V DC |
| Power Consumption | 20 W |
| Software Platform | Windows XP / Windows 7 (32/64-bit) |
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