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| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Steady-State and Time-Resolved Fluorescence Spectrometer |
| Wavelength Range (EX/EM) | 200–760 nm (extendable to 900 nm with optional PMT) |
| Spectral Bandwidth | 1.0–20.0 nm (adjustable in 5 steps for both excitation and emission) |
| Resolution | 1.0 nm |
| Wavelength Accuracy | ±2.0 nm |
| Wavelength Repeatability | ≤1.0 nm |
| Sensitivity (S/N) | >150:1 (water Raman peak) |
| Scan Speed | 30–30,000 nm/min (8 speed settings) |
| Minimum Sampling Volume | 0.5 mL (in 10 mm cuvette) |
| Light Source | 150 W imported high-intensity pulsed xenon lamp (ozone-free operation) |
| Monochromators | Concave holographic gratings (1200 L/mm) for both EX and EM |
| Detector | Imported Hamamatsu photomultiplier tube (PMT) |
| Slit Design | Horizontal dual-slit configuration |
| Gated Optical Shutter | Integrated on emission side |
| Data Acquisition Interval | 0.2–1.0 nm |
| Response Time | 4 ms–8 s (8-step programmable) |
| Interface | USB 2.0 |
| Operating Systems | Windows 7, Windows 10 |
| Dimensions & Weight | 620 × 550 × 295 mm |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Steady-State & Time-Resolved Fluorescence Spectrometer |
| Wavelength Range (Excitation/Emission) | 200–900 nm |
| Spectral Bandwidth (EX/EM) | 1.0–20.0 nm (adjustable in 5 steps) |
| Resolution | ≤1.0 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | ≤0.5 nm |
| Sensitivity (S/N) | >300:1 (water Raman peak, P-P) |
| Light Source | 150 W ozone-free xenon lamp |
| Monochromators | Holographic concave grating (1200 L/mm) for both excitation and emission |
| Scan Speed | Up to 60,000 nm/min |
| Minimum Sample Volume | 0.5 mL (in 10 mm cuvette) |
| Data Acquisition Interval | 0.2–1.0 nm |
| Response Time | 4 ms–8 s (8-step adjustable) |
| Dimensions | 670 × 540 × 320 mm |
| Weight | ~48 kg |
| Interface | USB 2.0 |
| Operating Systems | Windows XP / 7 / 10 |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | F-380 |
| Price Range | USD 14,000–28,000 (est.) |
| Dispersive Element | Holographic Concave Grating |
| Slit Width (Spectral Bandwidth) | 1.0–20.0 nm (adjustable in 5 steps) |
| Resolution | ≤1.0 nm |
| Sensitivity (P-P) | >250:1 |
| Wavelength Accuracy | ±1.0 nm |
| Excitation/Emission Wavelength Range | 200–760 nm (expandable to 900 nm with optional PMT) |
| Scan Speed | Up to 30,000 nm/min |
| Minimum Sample Volume | 0.5 mL (in 10-mm cuvette) |
| Stray Light | <0.05% at 340 nm |
| Raman Peak S/N (H₂O) | >250:1 |
| Wavelength Repeatability | ≤0.5 nm |
| Response Time | 4 ms–8 s (8-step adjustable) |
| Lamp | 150 W Xenon Arc Lamp (Ozone-Filtered, Imported) |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | F-280 |
| Wavelength Range (EX/EM) | 200–760 nm (extendable to 900 nm with optional PMT) |
| Spectral Bandwidth (EX/EM) | 1.0–20.0 nm (adjustable in 5 steps) |
| Wavelength Accuracy | ±0.4 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Resolution | 0.2 nm |
| Sensitivity (P-P) | >130:1 (water Raman peak) |
| Excitation Source | 150 W ozone-free xenon arc lamp |
| Scan Speeds | 30–3000 nm/min (6 modes) |
| Minimum Sample Volume | 0.5 mL (in 10 mm cuvette) |
| Dimensions | 670 × 540 × 310 mm |
| Weight | ~45 kg |
| Interface | USB 2.0 |
| Operating Systems | Windows XP, Windows 7 |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | F-180 |
| Wavelength Range (Excitation) | 200–800 nm (standard excitation filter: 365 nm) |
| Wavelength Range (Emission) | 200–900 nm |
| Spectral Bandwidth (EX/EM) | 10.0 nm |
| Resolution | ≤0.5 nm |
| Wavelength Accuracy | ±1.0 nm |
| Sensitivity (S/N) | >150:1 (water Raman peak) |
| Scan Speed | 30–30,000 nm/min (7 speeds) |
| Minimum Sample Volume | 0.5 mL (in 10 mm cuvette) |
| Excitation Source | 150 W imported high-intensity pulsed xenon lamp with ozone removal |
| Monochromator (EM) | Holographic concave grating, 1200 lines/mm |
| Excitation Filter | Precision narrowband interference filter |
| Slit Design | Fixed 10 nm spectral bandwidth |
| Detector | High-sensitivity PMT with gated optical shutter |
| Data Interface | USB 2.0 |
| Display | 320×240 blue OLED LCD |
| Power Supply | 220 V/50 Hz or 110 V/60 Hz |
| Dimensions & Weight | 600 × 450 × 335 mm |
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