Optical Instruments
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| Brand | Starwood |
|---|---|
| Model | PR 200-X |
| Measurement Channels | Illuminance (lux/fc) & UV-A Irradiance (µW/cm²/W/m²) |
| Spectral Response | VIS (380–780 nm, CIE photopic V(λ)-corrected) & UV-A (320–400 nm, peak at 365 nm) |
| Accuracy | ±3% or ±1 lux / ±1 µW/cm² (whichever greater) |
| Operating Temperature | −5 °C to +50 °C |
| Temp. Drift Compensation | ±0.05 %/°C |
| Detector Cable Length | 1 m (dual independent probes) |
| Display | Auto-backlit LCD (activates <30 lux) |
| Power | 2 × AA/LR6 (1.5 V), ~5 mA (no backlight), ~60 mA (backlit) |
| Battery Life | ~350 h (no backlight), ~35 h (backlit) |
| Weight | 280 g (instrument only) |
| Compliance | Conforms to CIE S 002/E:2022, ISO/CIE 19476:2015, and ASTM E308-22 for photometric calibration traceability |
| Brand | Starwood |
|---|---|
| Model | RS-230 |
| Detector Crystal | BGO (Bismuth Germanate), 103 cm³ (6.3 in³) |
| Energy Range | 30 keV – 3000 keV |
| Channels | 1024 |
| Sampling Rate | 20 Hz |
| Operating Temperature | −20 °C to +50 °C |
| Weight | 2.04 kg |
| Dimensions | 259 mm × 81 mm × 96 mm |
| IP Rating | IP66 |
| Display | 128 × 64 pixel monochrome LCD with white backlight and auto-dimming |
| Memory | 4 MB flash, partitionable |
| Interface | USB 2.0 and Bluetooth v4.0 |
| Power | 4 × AA alkaline or rechargeable batteries (8–12 h @ 20 °C) |
| Stabilization | Automatic gain stabilization, no radioactive reference source required |
| Measurement Modes | Continuous, Point, Scan |
| Audio Feedback | Proportional audible alert with adjustable threshold and volume |
| External Connectivity | Bluetooth-enabled GPS, stereo headset, PC |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | A17 |
| Pricing | Upon Request |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Benchtop / Laboratory Turbidimeter |
| Models | SDW-2000, SDW-2000A, SDW-4000, SDW-4000A |
| Measurement Ranges | 0–10, 0–100, 0–1000, 0–2000, 0–4000 NTU |
| Resolution | 0.001 NTU / 0.01 NTU |
| Operating Temperature | Ambient (10–30 °C) |
| Accuracy | ≤ ±0.5% F.S. (full-scale) |
| Detection Principle | 90° Nephelometric Scattering (ISO 7027-compliant optical geometry) |
| Brand | Starwood |
|---|---|
| Model | SDW-301 |
| Measurement Principle | Platinum-Cobalt (Pt-Co) Standard Method (Hazen Scale) |
| Range | 0–50 and 0–500 Hazen (Pt-Co, PCU, mg Pt/L) |
| Resolution | 0.1 Hazen |
| Accuracy | ±3% F.S. |
| Repeatability | ≤1.5% |
| Light Source | 100,000-hour LED |
| Power Supply | AC 220 V ±10%, 50 Hz / DC 7.5 V, 0.2 A |
| Interface | RS232 serial port |
| Data Storage | Last 20 measurement & calibration records |
| Turbidity Compensation | Yes |
| Compliance | GB 5750.4-2023 (Standard Methods for Examination of Drinking Water – Color Determination) |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | SDW-308 |
| Illuminant | Simulated D65 |
| Geometry | Diffuse illumination / 0° viewing (d/0) |
| Sphere Diameter | φ120 mm |
| Aperture Diameter | ≥20 mm |
| Sample Minimum Diameter | ≥30 mm |
| Repeatability | ≤0.1 WU |
| Zero Drift | ≤0.1 WU/30 min |
| Scale Drift | ≤0.1 WU/30 min |
| Accuracy | ±0.5 WU |
| Resolution | 0.1 WU |
| Display | 3½-digit LED |
| Compliance | JJG 512–2002, GB/T 3978–1983, GB/T 5950–2002, ISO 2470-1:2019 (CIE Whiteness), ASTM E313–22 |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Portable Turbidimeter |
| Models | SDW-500B, SDW-2B, SDW-3B, SDW-4000B |
| Measurement Ranges | 0–10 NTU, 0–100 NTU, 0–1000 NTU, 0–4000 NTU |
| Resolution | 0.01 NTU or 0.001 NTU (model-dependent) |
| Operating Temperature | 5–25 °C |
| Accuracy | ±6% of reading (±2% F.S.) |
| Repeatability | ≤0.5% |
| Zero Drift | ±0.5% F.S. |
| Light Source | 100,000-hour LED compliant with ISO 7027 |
| Calibration Standards | Formazine-based, traceable to ISO 7027 |
| Compliance | HJ 1075–2019, GB 5749–2006, CJ 3020–93, GB/T 14848–93 |
| Brand | Starwood |
|---|---|
| Model | SDW-823 |
| Illumination/Viewing Geometry | Reflectance d/8° (with specular component included/excluded), Transmittance d/0° |
| Wavelength Range | 360–780 nm |
| Wavelength Interval | 10 nm |
| FWHM | 5 nm |
| Integrating Sphere Diameter | 152 mm |
| Repeatability | ΔE*ab ≤ 0.015 (XLAV) |
| Inter-instrument Agreement | XLAV ΔE*ab ≤ 0.25 (BCRA Series II, 23°C) |
| Display | 7-inch capacitive touchscreen |
| OS | Android |
| Storage | 8 GB internal |
| Power | DC stabilized supply |
| Dimensions (L×W×H) | 465 × 240 × 260 mm |
| Weight | 10.8 kg |
| Brand | Starwood |
|---|---|
| Model | SDW-825 |
| Illumination/Measurement Geometry (Reflectance) | d/8° (diffuse illumination, 8° viewing) |
| Illumination/Measurement Geometry (Transmittance) | d/0° (diffuse illumination, 0° viewing) |
| Standard Compliance | CIE No.15, ISO 7724-1, ASTM E1164, ASTM D1003-07, GB/T 3978, GB/T 2893, GB/T 18833, DIN 5033 Teil 7, JIS Z 8722 Condition C |
| Spectral Range | 360–780 nm |
| Spectral Interval | 10 nm |
| FWHM | 5 nm |
| Integrating Sphere Diameter | 152 mm |
| Detector | Silicon photodiode array |
| Dispersion Optics | Concave holographic grating |
| Light Source | Pulsed xenon lamp + LED |
| UV Filtering Options | Full UV, 400 nm cut-off, 420 nm cut-off, 460 nm cut-off |
| Reflectance Range | 0–200%, resolution 0.01% |
| Measurement Time | <2 s per mode (SCI or SCE), <4 s for simultaneous SCI+SCE |
| Aperture Options (Reflectance) | XLAV Φ25.4/30 mm, LAV Φ15/18 mm, MAV Φ8/11 mm, SAV Φ3/6 mm |
| Aperture Options (Transmittance) | Φ17/25 mm |
| Sample Thickness Limit (Transmittance) | ≤50 mm |
| Repeatability (XLAV) | ΔE*ab ≤ 0.015 (30 measurements, 10 s interval, post-calibration) |
| Inter-instrument Agreement (XLAV) | ΔE*ab ≤ 0.15 (BCRA Series II 12-color tile, 23°C) |
| Observer Angles | 2° and 10° standard observers |
| Illuminant Options | A, C, D50, D55, D65, D75, F1–F12, CWF, U30, DLF, NBF, TL83, TL84 |
| Color Spaces | CIE L*a*b*, L*C*h*, Hunter Lab, Yxy, XYZ |
| Color Indices | Whiteness (ASTM E313-00/E313-73, CIE/ISO, AATCC, Hunter, Taube, Berger, Stensby), Yellowness (ASTM D1925, E313-00/E313-73), Tint (ASTM E313-00), Metamerism Index (MI), Staining/Colorfastness (ISO 105-A02/A03), Brightness (ISO 2470-1 R457), Density (A-, T-, E-, M-), Hazen/APHA/Pt-Co |
| Display Languages | English, Simplified Chinese, Traditional Chinese, Russian, Spanish, Portuguese, Japanese, Thai, Korean, German, French, Polish |
| On-screen Outputs | Spectral curves, spectral data tables, colorimetric values, ΔE matrices, pass/fail status, color simulation, haze, liquid color metrics, hue bias |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | SDW-826 |
| Illumination/Measurement Geometry | Reflectance d/8° (diffuse illumination, 8° viewing angle), SCI & SCE simultaneous measurement |
| Standard Compliance | CIE No.15, ISO 7724-1, ASTM E1164, ASTM D1003-07, GB/T 3978, GB/T 18833, JIS Z8722 Condition C, DIN 5033 Teil 7 |
| Spectral Range | 360–780 nm |
| Spectral Interval | 10 nm |
| FWHM | 5 nm |
| Integrating Sphere Diameter | 152 mm |
| Detector | Silicon Photodiode Array |
| Dispersion Element | Concave Diffraction Grating |
| Light Source | Pulsed Xenon Lamp + LED |
| UV Filtering Options | Full UV, 400 nm cutoff, 420 nm cutoff, 460 nm cutoff |
| Measurement Time | <2 s (SCI or SCE), <4 s (SCI+SCE simultaneously) |
| Aperture Options (Reflectance) | XLAV Φ25.4/30 mm, LAV Φ15/18 mm, MAV Φ8/11 mm, SAV Φ3/6 mm |
| Aperture Options (Transmittance) | Φ17 mm / Φ25 mm |
| Sample Thickness Limit (Transmittance) | ≤50 mm |
| Repeatability (XLAV) | ΔE*ab ≤ 0.01 (std dev), ≤ 0.02 (max) over 24 h at 20±10°C |
| Inter-instrument Agreement (XLAV) | ΔE*ab ≤ 0.1 (BCRA Series II, 12 tiles, 23°C) |
| Observer Angles | 2° and 10° standard observer |
| Illuminants | A, C, D50, D55, D65, D75 |
| Color Spaces | CIE L*a*b*, L*C*h*, Hunter Lab, Yxy, XYZ |
| Color Indices | WI (ASTM E313-00/73, CIE/ISO, AATCC, Hunter, Taube, Berger, Stensby), YI (ASTM D1925, E313-00/73), Tint (ASTM E313-00), Metamerism Index (MI), Staining/Color Change Fastness, ISO Brightness, R457, Density (A/T/E/M), APHA/Hazen, Gardner, Saybolt, ASTM Color, Haze, Total Transmittance, Hiding Power, Strength, Tinctorial Value |
| Color Difference Formulas | ΔE*ab, ΔE*CH, ΔE*uv, ΔE*CMC (l:c=2:1), ΔE*94 (CIE94), ΔE*00 (CIEDE2000), ΔE*Eab (Hunter) |
| Display | 7-inch capacitive touchscreen |
| OS | Android-based embedded system |
| Storage | 8 GB internal |
| Interfaces | RS-232, USB-A, USB-B |
| Operating Environment | 5–40°C, ≤80% RH (non-condensing at 35°C) |
| Storage Environment | −20–45°C, ≤80% RH (non-condensing at 35°C) |
| Power Supply | 12 V / 3 A DC |
| Additional Features | Real-time camera-assisted sample positioning, multi-orientation measurement (side/up/down via optional fixtures), auto temperature & humidity compensation |
| Brand | Starwood |
|---|---|
| Model | SDW-P930 |
| Measurement Principle | Optical Rotation via Sodium-D Line (589.3 nm) |
| Light Source | LED with Precision Interference Filter |
| Temperature Control | Peltier, 10–60 °C (±0.1 °C) |
| Measurement Range | ±90° (optical rotation), ±259°Z (saccharimetric scale) |
| Minimum Resolution | 0.0001° |
| Accuracy | ±0.003° |
| Repeatability (SD) | ≤0.002° |
| Display | 10-inch TFT true-color capacitive touchscreen |
| Sample Tubes | 200 mm, 100 mm standard & thermostatted, 50 mm micro (0.8 mL) |
| Data Storage | 16 GB internal + 8 GB measurement database |
| Audit Trail | FDA 21 CFR Part 11 compliant |
| User Management | Four-tier role-based access control |
| Connectivity | USB, RS-232, VGA, Ethernet, Wi-Fi |
| Export Formats | PDF, Excel |
| Security | MD5-verified file integrity, electronic signatures, timestamped edit logs |
| Compliance | USP <781>, EP 2.2.7, ChP IV, GLP/GMP-ready architecture |
| Power | 220 V ±10 %, 50 Hz ±1 Hz, 250 W |
| Net Weight | 28 kg |
| Brand | Starwood |
|---|---|
| Model | SDW-R500 |
| Measurement Principle | Critical Angle Detection via High-Resolution Linear CCD Array |
| Refractive Index Range (nD) | 1.30000–1.70000 |
| Resolution (nD) | 0.00001 |
| Accuracy (nD) | ±0.00001 |
| Precision (nD) | ±0.00003 |
| Brix Range | 0–100% |
| Brix Resolution | 0.01% |
| Brix Accuracy | ±0.1% |
| Temperature Control | Peltier-based dual-zone system |
| Temp. Range | 5 °C to 65 °C |
| Temp. Stability | ±0.02 °C |
| Light Source | 589 nm monochromatic LED |
| Prism Material | Sapphire |
| Sample Cell Material | Hastelloy® C-276 |
| Detector | High-sensitivity linear CCD array |
| Display | 7-inch FTF capacitive touchscreen |
| Data Storage | 16 GB internal flash memory |
| Connectivity | USB 2.0, RS-232, RJ45 Ethernet, microSD slot, USB host port |
| Compliance | 21 CFR Part 11 (audit trail, electronic signatures, role-based access), CE, TART |
| Security | MD5-verified file export, configurable multi-level user permissions (3 tiers), method library with version control |
| Output Formats | PDF, Excel (.xlsx), CSV |
| Wireless Printing | Wi-Fi-enabled |
| Dimensions | 360 × 300 × 155 mm |
| Power Supply | 220 V AC, 50 Hz |
| Brand | Starwood |
|---|---|
| Model | SDW-SD-812N |
| Measurement Geometry | d/0 (Diffuse Illumination / 0° Viewing) |
| Wavelength Range | 360–780 nm |
| Wavelength Interval | 10 nm |
| FWHM | 5 nm |
| Observer Angle | 2° / 10° |
| Illuminant Options | A, B, C, D50–D75, F1–F12, CWF, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1–B5, LED-BH1, LED-RGB1, LED-V1, LED-V4 |
| Color Spaces | CIE Lab, LCh, Luv, XYZ, Yxy, Hunter Lab, Munsell, MI, CMYK, Transmittance |
| Color Difference Formulas | ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*94, ΔE*02 |
| Repeatability | ΔE*ab ≤ 0.015 (SD), Max ≤ 0.04 |
| Inter-instrument Agreement | ΔE*ab < 0.25 |
| Transmittance Repeatability | SD ≤ 0.08% |
| Minimum Sample Volume | 1 mL |
| Standard Cuvettes | 10 mm & 50 mm glass |
| Optional Cuvettes | 33 mm & 100 mm glass |
| Measurement Time | ≤ 1.5 s |
| Display | 7-inch capacitive touchscreen |
| Data Storage | >100,000 records |
| Audit Trail | Yes (FDA 21 CFR Part 11 & CFDA-compliant) |
| Compliance | ISO 7724-1, ASTM E1164, DIN 5033-7, JIS Z8722 Condition c, GB/T 3555, ASTM D156, GB/T 6540, ASTM D1500, ASTM D1209, ASTM D5386, ASTM D6045, ASTM D6166, ASTM D1502 |
| Supported Color Scales | APHA/Hazen/Pt-Co, Gardner, Saybolt, ASTM Color, EBC, ICUMSA, WI (ASTM E313-20/73, ISO 2470/R457), YI (ASTM D1925, E313-20/73), Tint (ASTM E313-20), Milm, Iron-Cobalt Index, Pharmacopoeial Standards (ChP, USP, Ph. Eur.) |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SSM-21P |
| Pricing | Available Upon Request |
| Measurement Principle | Conductivity-Based Soluble Salt Quantification |
| Measurement Range | Soluble Salts: 0–199.9 / 0–1999 mg/m² (auto-ranging) |
| NaCl Equivalent | 0–199.9 / 0–1999 mg/m² (auto-ranging) |
| Conductivity | 0–199.9 / 0–1999 µS/cm (auto-ranging) |
| Temperature Range | 0–50 °C (display up to 99.9 °C) |
| ATC Compensation | 0–50 °C (reference 25 °C, fixed α = 2.0%/°C) |
| Data Storage | 300 records (timestamp, value, temperature) |
| Measurement Duration Options | 1 min, 3 min, continuous |
| Electrode Constant | Auto-recognized by measurement cell (manual override supported) |
| Power Supply | 2 × AA alkaline batteries |
| Dimensions | 187.5 × 37.5 × 75 mm (L × H × W) |
| Weight | ~310 g (including batteries) |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | StarLite |
| Pricing | Available Upon Request |
| Display | 320×240-pixel TFT LCD with 16-mm digits |
| Analog Needle Option | Yes |
| Refresh Rate | 15 Hz |
| Housing | Molded high-impact plastic with rubberized sides and adjustable kickstand |
| Dimensions (folded) | 211 mm L × 114 mm W × 40 mm H |
| Battery | Rechargeable Li-ion, ~8 h runtime |
| Charging | External charger (AC adapter function included) |
| Analog Output | 1 V full-scale, scalable |
| Sensor Compatibility | Thermopile, BeamTrack, Photodiode, PE-C series pyroelectric (excluding BC20 & PD300-CIE), PD300RM |
| Background Compensation | Automatic continuous cancellation (with PD300 sensors) |
| Pulse Capability | Sub-µJ energy resolution |
| EMC Protection | Integrated EMI shielding |
| Certifications | CE, China RoHS |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SU-300 |
| Pricing | Available Upon Request |
| Measurement Principle | Pulsed Amperometric Detection (PAD) with Anion-Exchange Chromatography |
| Detection Electrode | Gold Electrode |
| Column | PCl-520 Anion-Exchange Column |
| Sample Injection | Manual, 10 µL Fixed-Volume Loop |
| Analysis Modes | Dual-Mode (Sugars Mode / Sugar Alcohols Mode) |
| Repeatability | CV ≤ 3% (Calibration Standard) |
| Analysis Time | 30 min/sample (Sugars), 18 min/sample (Sugar Alcohols) |
| Temperature Control | Pre-heating Unit at 40 °C |
| Ambient Operating Range | 10–32 °C |
| Data Output | Analog (0–1 V), Digital (RS-232C) |
| Dimensions (W×H×D) | 190 × 469 × 530 mm |
| Weight | ~17 kg |