Ultraviolet Visible Spectrophotometer
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| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | UV-9600 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±2.0 nm |
| Spectral Bandwidth | 1.0, 2.0, 4.0, 5.0 nm (selectable) |
| Stray Light | ≤0.05% T (at 220 nm with NaI |
| Display | 16×2 LCD |
| Light Sources | Plug-in deuterium lamp (optional), plug-in tungsten-halogen lamp |
| Power Supply | AC 220 V/50 Hz or 110 V/60 Hz |
| Power Consumption | 120 W |
| Dimensions (W×D×H) | 530 × 410 × 210 mm |
| Net Weight | 16 kg |
| Brand | Beifen Ruili |
|---|---|
| Origin | Guangdong, China |
| Model | UV1801 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | ±0.5 nm |
| Spectral Bandwidth | 1.0, 2.0, or 5.0 nm (user-selectable) |
| Stray Light | ≤0.05% T (at 220 nm with NaI solution |
| Display | 6-inch high-brightness blue LCD |
| Light Sources | Imported deuterium lamp and 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 |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | UV757 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190 nm – 1100 nm |
| Wavelength Accuracy | ±0.8 nm |
| Spectral Bandwidth | 3 nm |
| Stray Light | ≤0.15% T (at 220 nm and 360 nm) |
| Absorbance Range | −0.301 A to 4.000 A |
| Transmittance Range | 0.0% T to 200.0% T |
| Concentration Readout Range | 0–9999 (arbitrary units) |
| Absorbance Repeatability | ±0.002 A |
| Transmittance Accuracy | ±0.5% T (verified with NIST-traceable NBS 930D filter) |
| Baseline Linearity | ±0.004 A |
| Drift | ≤0.004 A/30 min |
| Noise | 0.5% T (at 100% T), 0.2% T (at 0% T) |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions | 520 mm × 410 mm × 200 mm |
| Net Weight | 18 kg |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | VIS-723N |
| Optical System | Single-beam |
| Detector | Silicon photodiode array |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Spectral Bandwidth | 1.0, 2.0, or 5.0 nm (user-selectable fixed settings) |
| Stray Light | ≤0.05% T (at 220 nm using NaI solution |
| Wavelength Scanning | Motorized automatic wavelength drive |
| Dimensions | 530 × 420 × 205 mm |
| Weight | 18 kg |
| Power Supply | AC 220 V/50 Hz or 110 V/60 Hz |
| Power Consumption | 140 W |
| Interface Options | RS-232 (RS-485 and USB available on request) |
| Data Storage | Non-volatile memory for method parameters and measurement results |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | 723PC |
| Wavelength Range | 325–1100 nm (0.1 nm step resolution) |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1.0 nm (auto-calibrated at startup) |
| Stray Light | ≤0.2% T at 360 nm |
| Detector | Photomultiplier Tube (PMT) |
| Optical Configuration | Dual-Wavelength Mode |
| Automation Level | Automatic Wavelength Selection |
| Photometric Range | Transmittance –1.0–200.0% T |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Drift | ±0.002 A/h |
| Baseline Linearity | ±0.004 A |
| Display | 128×64 LCD |
| Dimensions | 455 × 430 × 220 mm |
| Interface | USB port for data export and PC connectivity |
| Software | UV-Solution 2.0 workstation software |
| Brand | Bio-Logic |
|---|---|
| Origin | France |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | SFM-100+MOS-LED |
| Instrument Architecture | Single-beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 180–820 nm |
| Wavelength Accuracy | ±0.1 nm |
| Spectral Bandwidth | 0–16 nm (adjustable) |
| Stray Light | ≤2 ppm |
| Dead Time | 5 ms (motor-driven), 8 ms (manual) |
| Sample Consumption per Experiment | 30 µL |
| Mixing Chamber Dead Volume | 20 µL |
| Mixing Ratio | Variable |
| Control Interface | USB |
| Detection Modes | Standard Absorbance (default), optional Fluorescence and Dual-Absorbance modes |
| Software | Spec-Lab v5.x |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-UV254 |
| Wavelength Range | 248–262 nm |
| Peak Wavelength | 254 nm |
| Measurement Range | 1 µW/cm² to 39.99 mW/cm² |
| Resolution | 1 µW/cm² |
| Spectral Band Rejection (Out-of-Band) | <0.1% |
| Accuracy | ±8% + 2 digits |
| Linearity Error | ±1% |
| Range Switching Error | ±1% |
| Sampling Rate | 2 Hz |
| Display | 3¾-digit LCD with backlight |
| Overload Indication | "OL" |
| Operating Temp./RH | 0–45 °C / 0–70% RH |
| Storage Temp./RH | −10–50 °C / 0–80% RH |
| Power | Three 3 V CR2032 coin cells |
| Battery Life | ~300 h (backlight off) |
| Auto Power-Off Delay | 5 min |
| Host Dimensions | 160 × 78 × 34 mm |
| Probe Dimensions | Ø50 × 40 mm |
| Telescopic Handle | 12 cm (single-stage), 24 cm (dual-stage) |
| Probe Cable Length | 1 m (including handle) |
| Weight | ~405 g (with batteries and probe) |
| Brand | BM |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 9W |
| Instrument Architecture | Single-Beam |
| Detector Type | Photomultiplier Tube (PMT) |
| Wavelength Range | 200–1000 nm |
| Wavelength Adjustment | Manual |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | ±0.2 nm |
| Stray Light | ≤0.5% |
| Objective Magnifications | 20× (NA 0.26), 23× (NA 0.30), 26× (NA 0.34), 29× (NA 0.38) |
| Projection Magnification | 21× |
| Illumination Source | 12 V / 50 W Tungsten-Halogen Lamp |
| Slit Width Adjustment | 0–3 mm (graduated to 0.01 mm) |
| Height Adjustment | 0–20 mm (graduated to 2 mm) |
| Stage Travel | Longitudinal 0–90 mm (1 mm scale), Transverse 0–220 mm (coarse) + 0–25 mm (fine, 0.01 mm resolution) |
| Selenium Photocell Active Area | Ø25 mm |
| Sensitivity | 400–500 µA/lm |
| Lifetime | ≥500 h |
| Galvanometer Sensitivity | 2.5 × 10⁻⁹ A/mm/m |
| Oscillation Period | 1 s |
| Net Weight | 50 kg |
| Dimensions (L × W × H) | 1500 × 900 × 800 mm |
| Brand | CEL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | CEL-FZ-A |
| Price Range | USD 0–720 |
| Optical Design | Single-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 300 nm–1100 nm |
| Automation Level | Automatic Wavelength Compensation |
| Measurement Range | 0–300.0 mW/cm² |
| Spectral Responsivity Calibration | NIM-traceable |
| Cosine Error | ±4% |
| Temperature Compensation Range | 15–35 °C |
| Resolution | 0.1 µW |
| Measurement Accuracy | < ±5% (at 25 °C, 50% RH) |
| Response Time | < 0.4 s |
| Operating Ambient | 0–40 °C, <85% RH |
| Power Supply | Rechargeable Lithium-ion Battery (AC Adapter: 220 V, 50 Hz) |
| Display | Digital LCD with Real-time Readout |
| Interface | Digital Output (USB or TTL-compatible, configurable) |
| Brand | CEAULIGHT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | CEL-M350 |
| Price Range | USD 0–720 (est.) |
| Optical Design | Single-Beam |
| Detector Type | CCD Array |
| Wavelength Range | 185–500 nm |
| Wavelength Automation | Motorized Wavelength Selection |
| Spectral Bandwidth | Fixed at 185–500 nm (UV–VIS) |
| Wavelength Accuracy | ±2.0 nm |
| Stray Light | <0.01% (typ. at 220 nm) |
| Origin | Germany |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | CheckitDirect |
| Pricing | Upon Request |
| Brand | Chu Ding Tech |
|---|---|
| Origin | Shanghai, China |
| Model | 722N |
| Wavelength Range | 320–1020 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1 nm |
| Spectral Bandwidth | 4 nm |
| Photometric Accuracy | ±0.5% T |
| Transmittance Range | 0–100% T |
| Absorbance Range | −0.097 to 1.99 A |
| Concentration Range | 0–1999 C (or F) |
| Stray Light | ≤0.3% T at 340 nm |
| Baseline Stability | ≤0.004 A/h at 500 nm (after 1 h warm-up) |
| Optical Path Length | 100 mm |
| Light Source | 6 V, 10 W imported tungsten lamp |
| Display | 4-digit LCD |
| Data Interface | RS-232C standard port |
| Power Supply | 220 V / 110 V AC, 50–60 Hz |
| Net Weight | 12 kg |
| Brand | Chu Ding Tech |
|---|---|
| Origin | Shanghai, China |
| Model | 7230G |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05% T @ 360 nm |
| Wavelength Repeatability | 0.2 nm |
| Photometric Accuracy | ±0.3% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Linearity | ≤0.2% T |
| Drift | ≤0.001 A/h @ 500 nm |
| Noise | ≤0.1% T |
| Photometric Range | 0–200% T, −0.301–3.000 A |
| Light Source | Imported Tungsten Lamp |
| Weight | 12 kg |
| Interface | RS-232 (optional), USB, Parallel Port |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV752N |
| Price | USD 1,400 (FOB Shanghai) |
| Optical System | Czerny-Turner monochromator with 1200 lines/mm grating |
| Wavelength Range | 195–1020 nm |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ≤1.0 nm |
| Photometric Range | 0–199.0% T, –0.3–1.999 A, 0–1999 C |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.3% T |
| Optical Path Length | 10 mm (standard cuvette) |
| Stray Light | ≤0.5% T at 220 nm |
| Baseline Stability | ±0.004 A/h at 500 nm (after 60-min warm-up) |
| Display | 4-digit LCD |
| Data Interface | RS-232C serial port |
| Light Sources | 6 V/10 W halogen tungsten lamp (Philips) and deuterium lamp (long-life imported) |
| Power Supply | 110–220 V AC, 50–60 Hz |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Model | UV754N |
| Optical Design | Single-beam |
| Detector Type | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | 0.5 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.3% T at 220 nm and 360 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.2% T |
| Absorbance Range | –0.030 to 3.0 A |
| Transmittance Range | 0.0–200% T |
| Baseline Stability | ±0.002 A/h |
| Display | 128 × 64 dot-matrix LCD |
| Interface | RS-232C serial port |
| Data Output | Integrated thermal printer interface |
| Software Support | UV754PC quantitative analysis software suite |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Model | UV759CRT / UV759 |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.2 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 | ≤0.2% T (0–100% T), ±0.001 A (0–0.5 A), ±0.002 A (0.5–1 A) |
| Stray Light | ≤0.05% T @ 220 nm and 360 nm |
| Baseline Flatness | ±0.002 A |
| Drift | ±0.002 A/h @ 500 nm |
| Noise | ±0.001 A |
| Detector | Imported silicon photodiode |
| Light Sources | Long-life imported deuterium lamp and tungsten-halogen lamp |
| Display | 128 × 64 dot-matrix LCD |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Wavelength Setting | Automatic |
| Optical Path | Single-beam with automatic source switching |
| Data Interface | USB port |
| Print Interface | Parallel port |
| Power Supply | AC 220 V / 50 Hz or AC 110 V / 60 Hz |
| Net Weight | 14 kg |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Model | V729 |
| Optical System | Single-beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05% T |
| Wavelength Repeatability | ≤0.2 nm |
| Photometric Accuracy | ≤±0.3% T |
| Photometric Repeatability | ≤±0.1% T |
| Baseline Linearity | ±0.002 A |
| Noise | 0.001 A (at 500 nm) |
| Drift | ±0.001 A/h (at 500 nm) |
| Sample Compartment | Accepts Cuvettes from 5 mm to 100 mm Pathlength |
| Display | 320 × 240 Pixel High-Brightness LCD |
| Data Interface | USB 2.0 |
| Lamp Sources | Imported Tungsten and Deuterium Lamps |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Net Weight | 16 kg |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Model | VIS-722N |
| Optical System | Achromatic Czerny-Turner with 1200 lines/mm grating |
| Wavelength Range | 320–1020 nm |
| Wavelength Accuracy | ±2 nm |
| Spectral Bandwidth | 4 nm |
| Stray Light | ≤0.05% T at 360 nm |
| Photometric Accuracy | ±0.3% T |
| Photometric Repeatability | ±0.2% T |
| Baseline Drift | ≤0.1% T/h |
| Noise Level | ≤0.2% T |
| Stability | ±0.003 A/h at 500 nm |
| Wavelength Drive | Manual |
| Detector Type | Photodiode Array |
| Light Source | Imported Tungsten Halogen Lamp |
| Net Weight | 8 kg |
| Beam Type | Single-beam |
| Data Output | Optional RS-232 or USB print interface |
| Software Support | None |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV1900PC / UV1901PC |
| Wavelength Range | 190–1100 nm |
| Light Source | Imported Tungsten Lamp & Deuterium Lamp |
| Optical System | Dual-Beam, 1200-line/mm Plane Grating |
| Wavelength Accuracy | ≤ ±0.3 nm |
| Wavelength Repeatability | ≤ 0.1 nm |
| Stray Light | ≤ 0.05 %T (at 220 nm, NaI solution) |
| Photometric Range | –3 to +3 A |
| Noise | ≤ 0.0003 Abs/h |
| Baseline Flatness | ≤ ±0.0005 A |
| Spectral Bandwidth | 2 nm (UV1900PC), 1 nm (UV1901PC) |
| Drift | ≤ ±0.0004 Abs/h |
| Photometric Accuracy | ±0.3 %T (0–100 %T) |
| Photometric Repeatability | 0.001 Abs (0–0.5 Abs) |
| Detector | Imported Silicon Photodiode |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Dimensions | 658 × 468 × 264 mm |
| Weight | 30 kg |
| Key | Optical System: Czerny-Turner monochromator with 1200 lines/mm grating |
|---|---|
| Wavelength Range | 195–1020 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Repeatability | ±1.0 nm |
| Photometric Range | 0–199.0% T, 0–1.999 A, 0–1999 C |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ±0.3% T |
| Stray Light | ≤0.3% T at 220 nm |
| Baseline Stability | ±0.004 A/h at 500 nm (after 60-min warm-up) |
| Display | 4-digit LCD |
| Output Interface | RS-232C |
| Light Sources | 6 V / 10 W halogen lamp and deuterium lamp |
| Power Supply | 110–220 V AC, 50–60 Hz |
| Standard Cuvette Pathlength | 10 mm (100 mm optional) |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV755B |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Repeatability | 0.5 nm |
| Stray Light | ≤0.1%T at 220 nm and 360 nm |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ±0.2%T |
| Baseline Stability | ±0.002 A/h at 500 nm |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Display | 128 × 64 dot-matrix LCD |
| Sample Compartment | Accommodates cuvettes from 5 mm to 100 mm pathlength |
| Weight | 12 kg |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Model | UV756CRT |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Photometric Accuracy (Transmittance) | ±0.5% T |
| Photometric Repeatability (Transmittance) | 0.2% T |
| Transmittance Range | 0.0–125% T |
| Absorbance Range | −0.031 to 3.0 A |
| Concentration Display Range | 0–1999 |
| Stray Light | ≤0.05% T at 220 nm and 340 nm |
| Baseline Flatness | ±0.002 A (200–1000 nm) |
| Drift | ±0.001 A/h (at 500 nm, after 2 h warm-up) |
| Noise | ±0.001 A (at 500 nm, after 30 min warm-up) |
| RS232 Interface | Yes |
| Printer Support | Integrated |
| Software Compatibility | PC-based data acquisition and analysis software |
| Brand | Chu Ding |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UV757CRT |
| Price | USD 3,600 (FOB Shanghai) |
| Wavelength Range | 200–1100 nm |
| Light Sources | Imported 12 V/20 W Tungsten-Halogen Lamp & Imported Deuterium Lamp |
| Detector | Imported Photocell |
| Spectral Bandwidth | 3 nm |
| Wavelength Accuracy | ±0.3 nm (auto-calibrated at startup) |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.15% T (at 220 nm and 340 nm) |
| Transmittance Range | 0.0–200.0% T |
| Absorbance Range | –0.301 to 4.000 A |
| Concentration Readout Range | 0000–9999 (arbitrary units) |
| Transmittance Accuracy | ±0.5% T (verified against NIST-traceable NBS 930D standard filter) |
| Transmittance Repeatability | ≤0.2% T |
| Noise | ≤0.5% T (100% T), ≤0.2% T (0% T) |
| Drift | ≤0.004 A / 30 min |
| Baseline Linearity | ±0.004 A |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz |
| Dimensions | 520 × 410 × 200 mm (W × D × H) |
| Brand | Chu Ding |
|---|---|
| Model | UV762 |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ≤ ±0.3 nm (auto-calibrated at startup) |
| Wavelength Repeatability | ≤ 0.2 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤ 0.2% T |
| Transmittance Range | 0–200% T |
| Absorbance Range | −0.301 to 3.000 A |
| Stray Light | ≤ 0.15% T (at 220 nm, measured with NaI) |
| Baseline Drift | ≤ 0.004 A/h (at 500 nm) |
| Noise | ≤ 0.15% T (100% line), ≤ 0.10% T (0% line) |
| Scan Speed Modes | Fast / Medium / Slow |
| Light Source | Automatically Switching Deuterium & Tungsten Lamps |
| Display | Large-Screen LED-Based Chinese GUI Interface |
| Data Processing | Multi-wavelength (1–3 λ), Kinetic Analysis, Polynomial Curve Fitting (1st–3rd order), Derivative Spectra (1st–4th order), Spectral Storage/Export/Print |
| Brand | ChuDing |
|---|---|
| Origin | Shanghai, China |
| Model | UV1900 |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05% T (at 220 nm, NaI solution) |
| Photometric Range | –3 to +3 A |
| Photometric Accuracy | ±0.3% T (0–100% T) |
| Photometric Repeatability | 0.001 Abs (0–0.5 Abs) |
| Baseline Flatness | ≤±0.0005 A |
| Noise | ≤0.0003 Abs/h |
| Drift | ≤±0.0004 Abs/h |
| Display | 5.1-inch 320×240 dot-matrix LCD |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Brand | DELEITE |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Single-beam Visible Spectrophotometer |
| Model Series | 721 / 722 / 722N / 722S |
| Wavelength Range | 320–1100 nm |
| Spectral Bandwidth | 2 nm (722S), 4–6 nm (721/722/722N) |
| Wavelength Accuracy | ±2 nm (721/722/722N), ±1 nm (722S/723 series) |
| Wavelength Repeatability | ≤0.2–1 nm |
| Stray Light | ≤0.05%T @ 360 nm |
| Photometric Accuracy | ±0.3–0.5%T |
| Photometric Repeatability | ±0.2%T |
| Baseline Linearity | ≤0.2%T |
| Drift | ≤0.001–0.004 A/h @ 500 nm |
| Noise | ≤0.1–0.3%T |
| Optical System | Czerny-Turner monochromator with 1200 lines/mm grating |
| Detector | Imported silicon photodiode |
| Light Source | Imported tungsten halogen lamp |
| Display | 128×64 dot-matrix LCD |
| Data Output | RS-232 (optional), parallel port (optional), USB (via YOKE 3.0 software interface) |
| Sample Compartment | Accommodates cuvettes from 5 mm to 100 mm pathlength |
| Compliance | Designed for routine QC/QA in accordance with ISO 6425, ASTM E275, and USP <857> spectrophotometric validation principles |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Model | AAS-9000G |
| Quotation | Upon Request |
| Optical Design | Single-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 185–190 nm |
| Wavelength Automation | Motorized Auto-Scanning & Peak Search |
| Spectral Bandwidth | 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm (6-step motorized selection) |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DarkS-300B |
| Optical Design | Single-beam |
| Detector Type | Photocell |
| Wavelengths | 254 nm and 365 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ≤±1 nm |
| Stray Light | ≤0.1% |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (L×W×H) | 300 × 300 × 270 mm |
| Illuminated Area | 250 × 250 mm |
| Filter Size | 150 × 50 mm |
| Weight | 3 kg |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | DLT-6500 |
| Optical System | Dual-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ±0.1 nm |
| Stray Light | ≤0.05%T |
| Photometric Range | 0–200%T, –0.3–3 A |
| Photometric Accuracy | ±0.5%T, ±0.004 A (0–0.5 A), ±0.008 A (0.5–1 A) |
| Photometric Repeatability | ±0.5%T, ±0.004 A (0–0.5 A), ±0.008 A (0.5–1 A) |
| Baseline Stability | ±0.002 A (500 nm, 3 min) |
| Display | 7-inch TFT-LCD touchscreen (1024 × 768) |
| Interfaces | USB 2.0, Bluetooth 4.2, Wi-Fi 802.11 b/g/n |
| Software Compatibility | PC-based spectral analysis suite (optional), cloud-enabled IoT firmware (standard) |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | NUV-600D |
| Optical System | Dual-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | 0.1 nm |
| Stray Light | ≤0.05% T at 220 nm and 360 nm |
| Absorbance Resolution | 0.00001 Abs |
| Absorbance Accuracy | ±0.0005 A (0–0.5 A), ±0.0008 A (0.5–1.0 A), ±0.2% T (0–100% T) |
| Absorbance Repeatability | ±0.0004 A (0–0.5 A), ±0.0006 A (0.5–1.0 A), ≤0.15% T (0–100% T) |
| Baseline Flatness | ±0.0004 Abs |
| Photometric Range | –4 to +4 Abs |
| Wavelength Scanning Interval | 0.1 nm |
| Scan Time | ~2 minutes (full range) |