Optical Measurement Instruments
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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DPCZ |
| Price Range | USD 4,200 – 7,000 |
| Instrument Type | Manual Operation |
| Haze Range | 0–30% |
| Transmittance Range | 0–100% |
| Haze Repeatability | ±0.2% |
| Transmittance Repeatability | ±0.5% |
| Amylose Detection Range | 0–50% (w/w) |
| Accuracy | ±1% (absolute amylose content) |
| Measurement Time per Sample | ~60 s (excluding sample preparation) |
| Interface | RS-232 serial communication |
| Software Platform | Windows-based control and analysis suite |
| Brand | DPSS Lasers |
|---|---|
| Origin | USA |
| Model | TCW Series |
| Wavelength | 354.7 nm |
| Output Power Options | 10–200 mW (TCW50/TCW100/TCW150/TCW200) |
| Beam Mode | TEM₀₀ (M² < 1.3) |
| Beam Diameter (1/e²) | 1.2 mm |
| Beam Divergence (full angle) | < 0.3 mrad |
| Beam Pointing Stability | < 25 µrad |
| Polarization Ratio | > 100:1 |
| Ellipticity | < 10% |
| Astigmatism | < 0.3 |
| Optical Noise (P-P, 0–2 MHz) | < 10% |
| Optical Noise (RMS) | < 1% |
| Power Stability (8 hrs) | < 5% |
| Warm-up Time | < 1 hour |
| Input Voltage | 90–240 VAC |
| Power Consumption | < 1000 W |
| Operating Temperature | 10–30 °C |
| Laser Head Dimensions (L×W×H) | 521 × 254 × 129 mm³ |
| Laser Head Weight | 15.9 kg |
| Power Supply Dimensions | 330 × 455 × 137 mm³ |
| Power Supply Weight | 10.5 kg |
| Chiller Dimensions | 287 × 224 × 389 mm³ |
| Chiller Weight (dry) | 9.1 kg |
| Cooling | Active liquid cooling |
| Laser Type | Diode-pumped solid-state (DPSS), frequency-tripled Nd:YVO₄ |
| Brand | DPSS Lasers |
|---|---|
| Origin | USA |
| Type | Diode-Pumped Solid-State (DPSS) Pulsed UV Laser |
| Wavelength | 354.7 nm |
| Average Power Range | 100 mW – 5 W |
| Pulse Width | <30–80 ns |
| Repetition Rate | 30–150 kHz |
| Pulse Energy | 1–166 µJ |
| Beam Mode | TEM₀₀ (M² < 1.3) |
| Beam Diameter (1/e²) | 1.5–2.0 mm |
| Beam Divergence (full angle) | <0.3–0.6 mrad |
| Polarization Ratio | >100:1 (linear, horizontal) |
| Pulse-to-Pulse Stability | <10–15% RMS |
| 8-hr Power Stability | <5% |
| Beam Pointing Stability | <50 µrad |
| Cooling | Integrated Chiller System |
| Input Voltage | 90–240 VAC |
| Max. Power Consumption | 500–900 W |
| Operating Temperature | 10–35 °C |
| Laser Head Weight | 15.9 kg |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WCB |
| Type | Portable Turbidimeter |
| Measurement Range | 0–20 NTU / 0–200 NTU / 0–1000 NTU |
| Resolution | 0.001 Abs |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±2% |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Operating Temperature | 0–50 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Power | Dual AC/DC supply |
| Display | 5-inch HD color capacitive touchscreen |
| Sample Format | 16 mm and 25 mm round cuvettes |
| Light Source | Imported long-life cold LED source (>100,000 h) |
| Data Storage | Up to 1,000,000 measurement records |
| Interface | USB Type-C (charging + data transfer) |
| Printing | Integrated thermal printer |
| Readout Modes | Turbidity (NTU), Absorbance (Abs) |
| Housing Material | Corrosion- and heat-resistant ABS |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WTB |
| Type | Benchtop/Laboratory |
| Measurement Range | 0–20 NTU / 0–200 NTU / 0–1000 NTU |
| Resolution | 0.001 Abs |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Repeatability | ≤ ±2% |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 8-inch HD color capacitive touchscreen |
| Sample Holders | 360° rotatable cuvette holder & 25 mm fixed-position cuvette holder |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 measurements |
| Connectivity | USB interface |
| Print Output | Built-in thermal printer |
| Readout Units | NTU, Absorbance (Abs) |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions | 392 × 315 × 170 mm |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DRK-4520 |
| Price | USD 630 (FOB Qingdao, ex-factory basis) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-WXG-4 |
| Price Range | USD 11,000–14,000 (FOB) |
| Instrument Type | Circular Scale Visual Polarimeter |
| Temperature Control | Not Equipped |
| Digital Display | Yes |
| Light Source | Sodium D-Line Lamp (589.3 nm) |
| Measurement Range | −180° to +180° |
| Angular Accuracy | ±0.05° |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Benchtop Abbe Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range (nD) | 1.3000–1.7000 |
| Refractive Index Accuracy | ±0.0002 |
| Brix Range | 0–95% |
| Brix Resolution | 0.25% |
| nD Resolution | 0.0005 |
| Weight | 2.6 kg |
| Dimensions | 200 × 100 × 240 mm |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Y81 |
| Price Range | USD 11,200–14,000 (FOB) |
| Instrument Type | Benchtop Refractometer |
| Temperature Control | Integrated Peltier Thermostat |
| Digital Display | High-Resolution LCD with Real-Time nD Readout |
| Refractive Index Range | 1.30000–1.70000 (nD) |
| Measurement Accuracy | ±0.0002 nD |
| Compliance | ISO 2165, ASTM D1218, USP <781>, GLP-Ready Architecture |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Measurement Range | 1.30000–1.70000 (nD) |
| Accuracy | ±0.0001 nD |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Y85 |
| Price Range | USD 11,200–14,000 (FOB) |
| Instrument Type | Benchtop Refractometer |
| Temperature Control | Integrated Peltier System (±0.1 °C stability) |
| Display | High-Resolution LCD with Real-Time nD Readout |
| Refractive Index Range | 1.30000–1.70000 (nD) |
| Accuracy | ±0.0001 nD |
| Repeatability | ±0.00005 nD |
| Sample Volume | ≤ 0.5 mL |
| Measurement Time | < 3 s per reading |
| Interface | RS-232 & USB-B for PC connectivity |
| Compliance | ISO 17025-compatible operation, ASTM D1218, ISO 2160, USP <781>, GLP-ready data logging |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Benchtop Refractometer |
| Temperature Control | Dual-zone Peltier-controlled sample & prism block |
| Digital Display | High-resolution 5.7" TFT LCD with touch interface |
| Measurement Range | 1.30000–1.70000 (nD) |
| Measurement Accuracy | ±0.00003 (nD) |
| Repeatability | ≤±0.00002 (nD) |
| Wavelength | 589.3 nm (Na-D line) |
| Sample Volume | 0.5–2.0 mL |
| Interface | USB 2.0, RS-232, Ethernet (optional), optional Wi-Fi module |
| Compliance | ISO 21147:2022, ASTM D1218, USP <831>, GLP-compliant audit trail logging |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Y87 |
| Product Type | Automated Refractometer |
| Temperature Control | Yes (Peltier) |
| Digital Display | Yes |
| Light Source | LED |
| Refractive Index Range | 1.30000–1.70000 (nD) |
| Refractive Index Accuracy | ±0.00002 |
| Brix Range | 0–100% |
| Brix Accuracy | ±0.01% |
| Temperature Range | 0–100 °C |
| Temperature Control Range | 5–90 °C |
| Temperature Stability | ±0.01 °C |
| Wavelength | 589 nm |
| Prism Material | Sapphire-grade |
| Sample Cell | Stainless Steel |
| Detector | High-resolution linear CCD array |
| Display | 7-inch FTF color touchscreen |
| Data Interfaces | USB, RS-232 |
| Dimensions | 430 × 380 × 300 mm |
| Weight | 5 kg |
| Power Supply | 110–220 V, 50–60 Hz |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Benchtop Refractometer |
| Temperature Control | Dual-zone Peltier-based |
| Display | High-resolution digital LCD |
| Refractive Index Range | 1.30000–1.70000 (nD) |
| Accuracy | ±0.00002 (nD) |
| Compliance | ISO 21748, ASTM D1218, USP <781>, GLP-ready architecture |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | DRK-Z30 |
| Price Range | USD 11,200–14,000 (FOB) |
| Type | Automated Polarimeter |
| Temperature Control | Integrated Peltier-based Thermostatic Cell Holder (±0.1 °C stability) |
| Display | High-Resolution LCD with Real-Time Angle & Concentration Readout |
| Light Source | Stable 589.3 nm LED (Sodium D-line Equivalent) |
| Measurement Range | –45° to +45° (optical rotation) |
| Accuracy | ±(0.01° + 0.05% of reading) for α |
| Repeatability | ≤0.002° (standard deviation over 10 measurements) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z620 |
| Price Range | USD 11,200 – 14,000 (FOB Qingdao) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Yes, Peltier-based thermostatic system |
| Display | Digital LCD with real-time readout |
| Light Source | High-stability 589.3 nm LED (sodium D-line equivalent) |
| Optical Rotation Range | ±89.99° |
| Sucrose Scale Range | ±257°Z |
| Resolution | 0.001° (optical rotation), 0.01°Z (sugar scale) |
| Repeatability | ≤±0.002° |
| Accuracy | ±0.004° (at 20°C, verified with NIST-traceable quartz control plates) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | DRK-Z630 |
| Price Range | USD 11,200–14,000 (FOB) |
| Product Type | Automated Polarimeter |
| Temperature Control | Yes (Peltier-controlled jacketed cell holder) |
| Digital Display | Yes (high-resolution LCD with real-time angle and concentration readout) |
| Light Source | High-stability 589.3 nm LED (sodium D-line equivalent) |
| Measurement Range | Optical Rotation ±89.99° |
| Accuracy | ±0.01° (for optical rotation between −45° and +45°) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z640 |
| Price Range | USD 11,200–14,000 (FOB Qingdao) |
| Product Type | Automatic Polarimeter |
| Temperature Control | Integrated Peltier-based Thermostatic Cell Holder (±0.1 °C stability) |
| Digital Display | High-Resolution 7-inch Capacitive Touchscreen (800×480) |
| Light Source | Stable 589.3 nm LED (Na-D line equivalent, >10,000 h lifetime) |
| Measurement Range | Optical Rotation ±89.99° |
| Accuracy | ±0.01° (for –45° ≤ α ≤ +45°) |
| Repeatability | ≤0.002° (RSD < 0.05% at 10° standard quartz control) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | DRK-Z810 |
| Product Category | Automatic Polarimeter |
| Temperature Control | Integrated Peltier (±0.1 °C stability) |
| Digital Display | Yes |
| Light Source | High-Stability LED (589.3 nm equivalent) |
| Optical Rotation Range | ±90° |
| Sucrose Scale Range | ±259°Z |
| Accuracy | ±0.004° |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DRK-Z810L |
| Product Category | Automatic Polarimeter |
| Temperature Control | Yes |
| Digital Display | Yes |
| Light Source | LED |
| Measurement Range | Optical Rotation ±90°, Sucrose Scale ±259°Z |
| Accuracy | ±0.004° |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | DRK-Z810P |
| Product Category | Automatic Polarimeter |
| Temperature Control | Integrated Peltier-based Thermostatic Cell Holder (±0.1 °C stability) |
| Digital Display | High-Resolution LCD with Real-Time Parameter Readout |
| Light Source | 589.3 nm LED (Sodium D-Line Equivalent) |
| Measurement Range | Optical Rotation ±90° |
| Accuracy | ±0.004° (at 20 °C, standard quartz control plate verification) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z83 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Yes (Precise Thermostatic Regulation) |
| Digital Display | Integrated High-Resolution LCD |
| Light Source | Stable 589.3 nm LED (Sodium-D Line Equivalent) |
| Optical Rotation Range | ±90° |
| Sucrose Scale Range | ±259°Z |
| Accuracy | ±0.004° |
| Repeatability | ≤±0.002° |
| Wavelength Stability | <0.1 nm drift over 8 h |
| Sample Tube Compatibility | Standard 100 mm & 200 mm pathlength cells (optional 50 mm) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z830 |
| Price Range | USD 11,200 – 14,000 (FOB Qingdao) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Integrated Peltier-based Thermostatic System |
| Display | High-Resolution True-Color TFT Touchscreen |
| Light Source | Stable 589.3 nm LED (Sodium-D Line Equivalent) |
| Optical Measurement Range | Optical Rotation ±90° |
| Accuracy | ±0.002° (at 20 °C, standard quartz control plate verification) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z830D |
| Price Range | USD 11,200 – 14,000 (FOB China) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Yes, Peltier-regulated |
| Display | Digital LCD |
| Light Source | High-Stability LED (589.3 nm equivalent) |
| Measurement Range | Optical Rotation ±90° |
| Accuracy | ±0.002° (at 20 °C, sodium D-line equivalent) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z830L |
| Price Range | USD 11,200 – 14,000 (FOB) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Yes (Peltier-controlled sample chamber) |
| Display | High-contrast digital LCD |
| Light Source | Stable 589.3 nm LED (sodium D-line equivalent) |
| Measurement Range | Optical Rotation ±90° |
| Sucrose Scale (Z-scale) | ±259°Z |
| Resolution | 0.001° (rotation), 0.01°Z (sugar scale) |
| Repeatability | ≤ ±0.002° (at 20°C, standard quartz control plate) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z83L |
| Price Range | USD 11,200 – 14,000 (FOB Qingdao) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Integrated Peltier-based Thermostatic System |
| Display | High-Contrast LCD with Real-Time Digital Readout |
| Light Source | Stable 589.3 nm LED (Sodium-D Line Equivalent) |
| Optical Path | Sealed, Vibration-Damped Beam Path |
| Measurement Range | Optical Rotation ±90° |
| Sucrose Scale | ±259°Z |
| Resolution | 0.001° (rotation), 0.01°Z (sugar scale) |
| Accuracy | ±0.002° (at 20°C, verified per ISO 13762) |
| Brand | Drick |
|---|---|
| Model | DRK-Z83P |
| Type | Automatic Polarimeter |
| Temperature Control | Peltier-controlled (10–55 °C, ±0.1 °C accuracy) |
| Light Source | LED with precision interference filter (589.3 nm) |
| Measurement Range | Optical Rotation ±90°, Sucrose Scale ±259°Z |
| Minimum Readability | 0.001° |
| Accuracy | ±0.004° |
| Repeatability (SD) | 0.002° |
| Sample Volume | As low as 0.8 mL |
| Cell Options | 100 mm & 50 mm thermostatted cells (Hastelloy optional) |
| Display | 8-inch TFT color touchscreen |
| Data Storage | 32 GB internal |
| Compliance | FDA 21 CFR Part 11 (electronic signatures, audit trail, data integrity), GLP/GMP-ready |
| Connectivity | USB, RS232, VGA, Ethernet, Wi-Fi printing |
| Export Formats | PDF, Excel |
| Security | Four-level user permission management, MD5 checksum verification (optional), method library, customizable formulas (optional) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z890 |
| Price Range | USD 11,200 – 14,000 (FOB) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Yes, Peltier-based thermostatic control |
| Display | High-resolution digital LCD |
| Light Source | Stable 589.3 nm LED (sodium D-line equivalent) |
| Optical Rotation Range | ±90° |
| Sucrose Scale Range | ±259°Z |
| Accuracy | ±0.002° |
| Repeatability | ≤ ±0.001° |
| Minimum Resolution | 0.0001° |
| Sample Tube Compatibility | Standard 100 mm and 200 mm pathlength cells (optional 50 mm) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DRK-Z893 |
| Price Range | USD 11,200 – 14,000 (FOB Qingdao) |
| Instrument Type | Automatic Polarimeter |
| Temperature Control | Yes, Peltier-based thermostatic control |
| Display | High-contrast digital LCD |
| Light Source | Stable 589.3 nm LED (sodium D-line equivalent) |
| Optical Rotation Range | ±90° |
| Sucrose Scale Range | ±259°Z |
| Resolution | 0.001° (optical rotation), 0.01°Z (sugar scale) |
| Accuracy | ±0.002° (at 20°C, calibrated with quartz control plate) |
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DRK 103 |
| Illuminant | Simulated D65 |
| Geometry | Diffuse/0° (d/0) |
| Sphere Diameter | 150 mm |
| Aperture | 25 mm |
| Repeatability | δ(Y₁₀) < 0.1, δ(X₁₀,Y₁₀) < 0.001 |
| Accuracy | ΔY₁₀ < 1.0, ΔX₁₀/ΔY₁₀ < 0.01 |
| Sample Size | ≥Φ30 mm, ≤40 mm thick |
| CIE Systems | CIE 1964 Supplementary Observer (10°), CIE 1976 L*a*b* color space, CIE XYZ tristimulus values |
| Measurable Indices | Whiteness (ISO R₄₅₇, Ganz W₁₀, TW₁₀), Yellowness Index (YI), Opacity (OP), Transparency, Scattering Coefficient (S), Absorption Coefficient (A), Ink Absorption Value, ΔE*ab, ΔL*, ΔC*ab, ΔH*ab, h*ab, λd, Pe, Hunter L,a,b |
| Data Storage | Up to 10 reference samples |
| Interface | Built-in thermal printer, digital display |
| Power | 170–250 V, 50 Hz, 0.3 A |
| Operating Environment | 10–30 °C, RH ≤85% |
| Dimensions | 300 × 380 × 400 mm |
| Weight | 15 kg |