Ultraviolet Visible Spectrophotometer
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Showing 31–60 of 233 results
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Model | UV-1200 |
| Optical System | Single-beam with dual-beam ratio monitoring |
| Detector Type | Silicon photodiode |
| Wavelength Range | 195–1020 nm |
| Spectral Bandwidth | 4.0 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.1% T @ 360 nm |
| Display | 128 × 64 dot-matrix LCD |
| Data Output | USB port (U-disk export), RS-232 serial printer interface |
| Software | AOE Basic Spectroscopy Suite (certified under PRC Copyright Registration No. 2021SRXXXXXX) |
| Compliance | ISO 9001, CE, CMC, RoHS |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV-1600 |
| Optical System | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T at 360 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV-1600PC |
| Price Range | USD 2,800–4,200 (FOB Shanghai) |
| Optical Design | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T @ 360 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV-1800 |
| Optical System | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T @ 360 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV-1800PC |
| Price Range | USD 2,800–4,200 (FOB Shanghai) |
| Optical Design | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning | Motorized Automatic |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T at 360 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-1900 |
| Price Range | USD 2,800–4,200 (FOB Shanghai) |
| Optical Design | Single-Beam with Dual-Beam Ratio Monitoring |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning Mode | Motorized Automatic |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.04% T at 360 nm |
| Display | 480 × 272 pixel, 65K-color TFT LCD |
| Data Storage | Onboard memory for 240 calibration curves (240 data points per curve) |
| Data Export | USB 2.0 × 2 (for printer & PC transfer), USB 1.0 for firmware update |
| Software | AOE Basic Spectroscopy Suite (certified under PRC Copyright Registration No. 2021SRxxxxxx) |
| Compliance | ISO 9001:2015, CE Marking, CMC License (PRC Metrology Certification), RoHS Directive 2011/65/EU |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UV-1900PC |
| Price Range | USD 2,800–4,200 (FOB Shanghai) |
| Optical Design | Single-Beam with Dual-Beam Ratio Monitoring |
| Detector Type | Silicon Photocell |
| Wavelength Range | 190–1100 nm |
| Wavelength Scanning Mode | Motorized Auto-Scan |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.04% T at 360 nm |
| Display | 480 × 272 pixel, 65K-color TFT LCD |
| Data Storage | Onboard memory for 240 calibration curves (240 data points per curve) |
| Data Export | USB 2.0 port for direct U-disk export |
| Printing Interface | PCL-compatible USB printer support (A4 format) |
| Firmware Upgrade | USB-based one-click update via AOE official website (instrument serial number required) |
| Certifications | ISO 9001:2015, CE (EN 61010-1, EN 61326-1), CMC (China Metrology Certification), RoHS Directive 2011/65/EU |
| Software Compliance | Basic Control Software registered with the National Copyright Administration of the People’s Republic of China (Certificate No. 2021SRXXXXXX) |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | V-1000 |
| Optical Design | Single-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 325–1020 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 4.0 nm |
| Wavelength Accuracy | ±1.5 nm |
| Stray Light | ≤0.1% T |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | V-1200 |
| Price Range | USD 1,400–2,800 |
| Optical Design | Single-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 320–1020 nm |
| Wavelength Scanning | Motorized Auto-Scan |
| Spectral Bandwidth | 4.0 nm |
| Wavelength Accuracy | ±1.0 nm |
| Stray Light | ≤0.1% T @ 360 nm |
| Display | 128 × 64 Dot-Matrix LCD |
| Data Output | USB Port (U-disk export), RS-232 Serial Print Interface |
| Software | AOE Basic Spectroscopy Suite (Certified under PRC Copyright Registration No. 2021SRXXXXXX) |
| Compliance | ISO 9001:2015, CE, CMC (China Metrology Certification), RoHS Directive 2011/65/EU |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Model | V-1600 |
| Optical System | Pseudo-Double-Beam |
| Detector Type | Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.4 nm |
| Spectral Bandwidth | 4.0 nm |
| Stray Light | ≤0.04%T |
| Wavelength Scanning Mode | Automatic |
| Display | 480 × 272 TFT Color LCD (65K colors) |
| Data Storage | 240 calibration curves (240 data points per curve) onboard |
| Interface | Dual USB 2.0 ports (data export & printer connectivity), USB 1.0 for PC communication |
| Software | AOE Basic Spectroscopy Software (certified under PRC Copyright Registration No. 2021SRXXXXXX) |
| Compliance | ISO 9001, CE, CMC, RoHS |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | V-1600PC |
| Optical System | Pseudo-Double-Beam (Ratio-Monitoring) |
| Detector Type | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.4 nm |
| Spectral Bandwidth | 4.0 nm |
| Stray Light | ≤0.04% T @ 360 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Display | 480 × 272 pixel, 65K-color TFT LCD |
| Data Storage | 240 calibration curves (240 data points each) onboard |
| Interface | Dual USB 2.0 ports (data export & printer), USB 1.0 for PC connectivity |
| Software | AOE Basic Spectroscopy Suite (certified under China Copyright Protection Center, Registration No. 2021SRXXXXXX) |
| Compliance | ISO 9001:2015, CE, CMC, RoHS |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | V-1800 |
| Price Range | USD 1,400–2,800 (FOB) |
| Optical System | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T @ 220 nm & 360 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | V-1800PC |
| Price Range | USD 1,400–2,800 |
| Optical Design | Pseudo-Double-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Scanning | Motorized Auto-Scanning |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.4 nm |
| Stray Light | ≤0.04% T @ 360 nm and 600 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | V-1900 |
| Price Range | USD 2,800 – 4,200 (FOB Shanghai) |
| Optical Design | Single-Beam with Dual-Beam Ratio Monitoring |
| Detector | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Scanning Mode | Automatic |
| Spectral Bandwidth | 1.8 nm |
| Wavelength Accuracy | ±0.4 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Stray Light | ≤0.04% T @ 360 nm and 600 nm |
| Display | 480 × 272 pixel, 65K-color TFT LCD |
| Data Storage | Onboard memory for 240 calibration curves (240 data points per curve) |
| Data Export | USB 2.0 × 2 (for printer & storage), USB 1.0 for PC connectivity |
| Software | AOE Basic Spectroscopy Software (certified under China Copyright Protection Center, Registration No. 2021SRXXXXXX) |
| Compliance | ISO 9001:2015, CE, CMC (China Metrology Certification), RoHS Directive 2011/65/EU |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | V-1900PC |
| Optical System | Single-Beam with Dual-Beam Ratio Monitoring |
| Detector Type | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 1.8 nm |
| Stray Light | ≤0.04% T |
| Wavelength Scanning Mode | Automatic |
| Display | 480 × 272 pixel, 65K-color TFT LCD |
| Data Storage | 240 calibration curves (240 data points per curve) onboard |
| Interface | Dual USB 2.0 ports (data export & printer connection), USB 1.0 for PC communication |
| Software | AOE Basic Spectroscopy Software (certified under PRC Copyright Registration No. [redacted for privacy]) |
| Compliance | ISO 9001, CE, CMC, RoHS |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | V110Pro |
| Price Range | USD 700–1,400 |
| Optical Design | Single-Beam |
| Detector Type | Silicon Photocell |
| Wavelength Range | 325–1100 nm |
| Wavelength Scanning Mode | Motorized Automatic |
| Spectral Bandwidth | 4.0 nm |
| Wavelength Accuracy | ±1.5 nm |
| Stray Light | ≤0.1% T at 220 nm and 360 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Baseline Stability | ±0.001 A/h at 500 nm |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | V120Pro |
| Price Range | USD 700–1,400 (FOB) |
| Optical System | Single-Beam with Holographic Grating (1200 lines/mm) |
| Detector | Silicon Photocell |
| Wavelength Range | 320–1100 nm |
| Wavelength Accuracy | ±1.0 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Spectral Bandwidth | 4.0 nm |
| Stray Light | ≤0.1%T at 220 nm and 360 nm |
| Baseline Stability | ±0.001 A/h at 500 nm |
| Wavelength Scanning Mode | Motorized Auto-Scanning |
| Display | 7-inch TFT LCD Touchscreen |
| Data Output | USB 2.0, RS-232, Optional PC Software |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Model | X-200 / X200S / X-201 |
| Optical System | Pseudo-Double-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.2 nm |
| Spectral Bandwidth | 1.0 nm (X-200), 1.8 nm (X-201), 1.0/2.0/3.0/5.0 nm (X200S) |
| Stray Light | ≤0.01%T @ 220 nm & 360 nm |
| Photometric Accuracy | ±0.2%T |
| Photometric Repeatability | ≤0.08%T |
| Baseline Flatness | ±0.0005 Abs |
| Drift | 0.0004 Abs/h @ 500 nm |
| Noise | ±0.00008 Abs |
| Wavelength Scanning Speed | 31,800 nm/min |
| Data Point Resolution | 0.1–10 nm (selectable) |
| Display | 8-inch backlit capacitive touchscreen LCD |
| Operating System | WinCE 6.6 |
| Sample Holder | Standard automatic 6-cell rotating cuvette changer |
| Interface | USB, Ethernet, RS-232, Printer port |
| Connectivity | Wired LAN & optional Wi-Fi module |
| Firmware Update | USB-based one-click upgrade via instrument serial number |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SU-200-SS / SU-202-SS / SU-205-SS |
| Spectral Range | 300–400 nm |
| Output Types | 0–10 mV (SU-200-SS), 0–2.5 V (SU-202-SS), 0–5 V (SU-205-SS) |
| Calibration Unit | W·m⁻² (irradiance) |
| Measurement Range | 0–100 W·m⁻² |
| Spectral Bandwidth | 300–400 nm |
| Wavelength Accuracy | ±5% |
| Stray Light Rejection | ±1% |
| Operating Temperature | −35 to +85 °C |
| Relative Humidity Range | 0–100% RH |
| Housing IP Rating | IP68 |
| Cable Length | 5 m |
| Sensor Diameter × Height | Φ30.5 × 37 mm |
| Weight | 140 g |
| Long-Term Drift | <2% per year |
| Nonlinearity | <1% |
| Directional Response | ±2% at 45°, ±5% at 75° |
| Temperature Coefficient | 0.1% / °C |
| Calibration Uncertainty | ±10% |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | Ci4200 / Ci4200UV |
| Pricing | Available Upon Request |
| Optical Geometry | d/8° with DRS (Diffuse/8°) |
| Illumination/Measurement Aperture | 14 mm / 8 mm |
| Light Source | Tungsten-Halogen Lamp + UV LEDs (Ci4200UV only) |
| Detector | Blue-Enhanced Silicon Photodiode |
| Spectral Range | 400–700 nm |
| Spectral Interval | 10 nm (acquisition & output) |
| Reflectance Range | 0–200% |
| Inter-instrument Agreement | Avg. ΔE*ab ≤ 0.20 (BCRA Series II, SCI mode), Max. ΔE*ab ≤ 0.40 per tile |
| Short-Term Repeatability | ≤ 0.05 ΔE*ab (white tile) |
| Measurement Time | ~2 s (simultaneous SCI/SCE) |
| Gloss Measurement | 60° |
| UV Calibration Function | Yes |
| Transform Support | Yes |
| LED Status Panel & Remote Trigger via Measuring Button | Yes |
| Sample Fixture | Positionable & Preview-Capable |
| Mounting Flexibility | Horizontal & Vertical Orientation |
| Data Compatibility | Cross-platform with portable integrating sphere instruments |
| Lamp Lifetime | ~500,000 measurements |
| Power Supply | 90–130 VAC or 100–240 VAC, 50–60 Hz, ≤15 W |
| Interface | USB |
| Operating Temp. | 10–40 °C (50–104 °F), ≤85% RH (non-condensing) |
| Storage Temp. | −20–50 °C (−4–122 °F) |
| Weight | 5.2 kg (11.5 lbs) |
| Dimensions | 221 mm (H) × 190 mm (W) × 264 mm (D) |
| Standard Accessories | Black trap, white & green calibration tiles, UV calibration standard (Ci4200UV), user manual, AC adapter, USB cable |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | UV-1601 |
| Optical Design | Pseudo-Double-Beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 0.5 / 1.0 / 2.0 / 4.0 / 5.0 nm (5-step selectable) |
| Stray Light | ≤0.1% T (at 220 nm with NaI |
| Auto Wavelength Scanning | Yes |
| Dimensions | 630 × 470 × 210 mm |
| Weight | 26 kg |
| Power Supply | AC 220 V/50 Hz or 110 V/60 Hz |
| Power Consumption | 180 W |
| Interface | USB port, optional PC control, printer output |
| Data Retention | Non-volatile memory for parameters and measurements |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | UV-1801 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±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 | UV-2200 |
| Optical Design | Double-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.25 nm |
| Spectral Bandwidth | 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 nm (6-step selectable) |
| Stray Light | ≤0.001% T (at 220 nm using NaI solution |
| Wavelength Scanning Resolution | 0.02 nm minimum sampling interval |
| Power Supply | AC 220 V / 50 Hz |
| Power Consumption | 400 W |
| Dimensions (W×D×H) | 730 × 530 × 230 mm |
| Net Weight | 40 kg |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | UV-2601 |
| Optical Design | Dual-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Spectral Bandwidth | 0.5–5.0 nm (5 selectable steps) |
| Stray Light | ≤0.1% T (at 220 nm using NaI |
| Display | 6-inch high-brightness blue LCD |
| Light Sources | Socket-type deuterium lamp and tungsten-halogen lamp |
| Power Supply | AC 220 V/50 Hz or 110 V/60 Hz |
| Power Consumption | 200 W |
| Dimensions (W×D×H) | 630 × 470 × 210 mm |
| Net Weight | 26 kg |
| 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 | 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 | 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 | 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 |
| Origin | Germany |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | CheckitDirect |
| Pricing | Upon Request |
| 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 |