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| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Instrument Type | Imported Dual-Beam UV-Vis Spectrophotometer |
| Model | UV-2401 |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm |
| Stray Light | ≤0.05% |
| Detector | Photodiode Array |
| Automation | Motorized Wavelength Scanning |
| Optical System | Single Monochromator with Holographic Grating |
| Baseline Flatness | ±0.001 Abs (2 nm slit, low scan speed) |
| Photometric Accuracy | ±0.002 Abs (0–0.5 Abs), ±0.3%T |
| Photometric Range | Abs: –4 to +5 Abs |
| %T | 0.0–999.9% |
| Scan Speed | Up to 3200 nm/min (wavelength shift) |
| Response Time | Auto-optimized (min. 0.1 s) |
| Resolution | 0.1 nm |
| Operating Environment | 15–35 °C, 45–80% RH (non-condensing) |
| Power Supply | AC 100–240 V, 50/60 Hz, 250 VA |
| Dimensions | 570 × 660 × 275 mm |
| Weight | ~36 kg |
| Origin | Shanghai |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | 722-1 |
| Price | USD 70 (est.) |
| Optical Design | Single-beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 330–1000 nm |
| Wavelength Selection | Manual |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Stray Light | ≤0.1% T |
| Wavelength Repeatability | 1 nm |
| Photometric Accuracy | ≤±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Transmittance Range | 0–200% T |
| Absorbance Range | –0.301 to 3.000 A |
| Concentration Range | 0–99999 units |
| Baseline Stability | ±0.001 A/h |
| Output Interface | RS-232 |
| Optional Accessories | Thermal Printer, Dedicated PC Software |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Model | UV-3600 |
| Optical Design | Double-Beam (Pseudo-Double-Beam) |
| Instrument Type | Ultraviolet-Visible Spectrophotometer |
| Compliance | Designed to meet ISO/IEC 17025-relevant optical performance criteria for routine laboratory quantification and spectral characterization |
| Brand | Agilent Technologies |
|---|---|
| Origin | USA |
| Model | Cary 60 |
| Detector Type | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | < ±0.2 nm |
| Spectral Bandwidth | 1 nm |
| Stray Light | ≤ 0.03% T |
| Automation | Automatic Wavelength Scanning |
| Import Status | Imported Instrument |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-1801 |
| Price | USD 1,150 (FOB) |
| Optical Design | Dual-Beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm |
| Stray Light | ≤0.05 % |
| Display | 6-inch High-Brightness Blue LCD |
| Light Sources | Imported Deuterium Lamp & Tungsten-Halogen Lamp |
| Power Supply | AC 220 V / 50 Hz or 110 V / 60 Hz |
| Power Consumption | 140 W |
| Dimensions (W×D×H) | 530 × 420 × 205 mm |
| Net Weight | 18 kg |
| Interface Options | RS-232 (RS-485 and USB optional) |
| Data Storage | Non-volatile memory for method parameters and measurement results |
| Brand | Persee |
|---|---|
| Origin | Beijing, China |
| Model | TU-1810 |
| Optical System | Double-beam ratio-monitoring |
| Detector Type | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm (auto-calibrated at startup) |
| Spectral Bandwidth | 2 nm (fixed), optional 0.5/1.0/2.0/5.0 nm (variable slit) |
| Stray Light | ≤0.2% (at 220 nm, NaI |
| Absorbance Accuracy | ±0.002 Abs (0–0.5 Abs), ±0.004 Abs (0.5–1.0 Abs), ±0.3% T |
| Absorbance Repeatability | ≤0.001 Abs (0–0.5 Abs), ≤0.002 Abs (0.5–1.0 Abs), ≤0.15% T |
| Baseline Flatness | ±0.001 Abs |
| Drift | ≤0.2%/h (at 500 nm, after 2 h warm-up) |
| Dimensions | 530 × 430 × 240 mm |
| Weight | 25 kg |
| Brand | Lengguang |
|---|---|
| Origin | Shanghai, China |
| Model | 722 |
| Optical System | Double-beam |
| Detector | Photodiode Array |
| Wavelength Range | 325–1000 nm |
| Wavelength Accuracy | ±2.0 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤1.0% T |
| Wavelength Scanning | Motorized Auto-Positioning |
| Display | 4-digit LCD |
| Auto Zero/Full-Scale Calibration | Yes |
| Transmittance/Absorbance/Concentration/Factor Mode | Automatic Switching |
| Compliance | Meets GB/T 21186–2007 (Chinese National Standard for Visible Spectrophotometers) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-765 |
| Price | ¥2500 |
| Optical Design | Double-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Automation | Motorized Scanning |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Stray Light | ≤0.05%T (at 220 nm with NaI |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Model | UV-1700 |
| Optical System | Double-beam |
| Detector Type | Photocell |
| Wavelength Range | 190.0–1100.0 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 1 nm |
| Stray Light | ≤0.04% (at 220.0 nm and 340.0 nm) |
| Wavelength Repeatability | ±0.1 nm |
| Grating Type | Aberration-Corrected Holographic Blazed Grating |
| Automation Level | Automatic Wavelength Scanning |
| Compliance Support | IQ/OQ Documentation Available |
| Dimensions | A2 footprint (~420 × 594 mm), Weight: 17 kg |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Model | UV-2550 |
| Optical System | Double-beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1.0 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05 % |
| Automation Level | Automatic Wavelength Scanning |
| Origin Category | Imported Instrument |
| Vendor Type | Authorized Distributor |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | UV-3600Plus |
| Instrument Architecture | Double-Beam |
| Detector Type | Photomultiplier Tube (PMT), InGaAs Photodiode, Cooled PbS Photoconductor |
| Wavelength Range | 185–3300 nm |
| Automation Level | Automatic Wavelength Scanning |
| Spectral Bandwidth | UV-Vis: 0.1, 0.2, 0.5, 1, 2, 3, 5, 8 nm (8 steps) |
| NIR | 0.2, 0.5, 1, 2, 3, 5, 8, 12, 32 nm (9 steps) |
| Wavelength Accuracy | ±0.08 nm (UV-Vis), ±0.32 nm (NIR) |
| Stray Light | <0.00008% at 220 nm (NaI) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | 722S |
| Price | USD 70 (FOB Shanghai) |
| Optical Design | Pseudo-Double-Beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 325 nm – 1000 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Stray Light | ≤0.2% T at 360 nm |
| Absorbance Range | −0.301 A to 3.000 A |
| Absorbance Accuracy | ±0.004 A (at 1.0 A, using NIST-traceable filters) |
| Transmittance Accuracy | ±0.5% T |
| Transmittance Repeatability | ±0.2% T |
| Transmittance Range | 0.0–125.0% T |
| Concentration Display Range | 0–9999 units |
| Baseline Stability | ≤±0.003 A/h (at 500 nm, 2 h warm-up) |
| Data Interface | RS-232C serial port (ASCII protocol, 9600 bps) |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | UV-2600 |
| Quotation | ¥30,000 (RMB) |
| Optical Design | Pseudo-Double-Beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 190–2600 nm |
| Automation Level | Automatic Wavelength Scanning |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | 722 |
| Price | USD 70 (approx.) |
| Optical Design | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 330 nm – 1000 nm |
| Wavelength Adjustment | Manual |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Stray Light | ≤0.5% T at 360 nm |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | TU-1901 |
| Price | USD 27,500 (FOB Beijing) |
| Optical Design | Double-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–900 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 5.0 nm (selectable: 0.1/0.2/0.5/1.0/2.0/5.0 nm) |
| Wavelength Accuracy | ±0.3 nm (auto-calibrated at startup) |
| Stray Light | ≤0.015% T (at 220 nm, NaI |
| Brand | Agilent Technologies |
|---|---|
| Origin | USA |
| Model | 8453 |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | < ±0.2 nm |
| Spectral Bandwidth | 1 nm |
| Stray Light | ≤ 0.03% T |
| Automation Level | Automatic Wavelength Scanning |
| Instrument Classification | Imported High-Performance UV-Vis Spectrophotometer |
| Brand | Persee |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | T6 |
| Price | USD 1,150 (FOB Beijing) |
| Optical Design | Double-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Auto-Scan |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm |
| Stray Light | ≤0.05 % |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Model | UV-2450 |
| Optical System | Pseudo-double-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–900 nm |
| Wavelength Accuracy | ±2.0 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.01% T |
| Automation Level | Automatic Wavelength Scanning |
| Import Category | Imported Instrument |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | S22 |
| Price | USD 72 (FOB Shanghai) |
| Detector Type | Photomultiplier Tube (PMT) |
| Wavelength Range | 340–1000 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Stray Light | ≤0.3% T |
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