YDWG
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| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WSL-2 |
| Red Scale Range | R 0.1–R79.9 Lovibond Units |
| Yellow Scale Range | Y 0.1–Y79.9 Lovibond Units |
| Blue Scale Range | B 0.1–B49.9 Lovibond Units |
| Neutral Grey Scale Range | N 0.1–N3.9 Lovibond Units |
| Minimum Scale Division | 0.1 Lovibond Unit |
| White Reference Plate Diffuse Reflectance | >80% |
| Viewing Tube Diameter | φ30 mm, Length: 215 mm |
| Standard Cell Dimensions | 10 × 20 × 40 mm, 25.4 × 20 × 40 mm, and 133.4 × 20 × 40 mm |
| Magnifier Lens Magnification | 1.9× |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 50 W |
| Instrument Dimensions (Main Unit) | 500 × 320 × 130 mm |
| Net Weight | 8 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WSL-5S |
| Light Source | LED |
| Color Scale | Lovibond Tintometer Scale (R: 0.1–80, Y: 0.1–80, B: 0.1–50, N: 0.1–4 Lovibond Units) |
| Accuracy | ≤5% |
| Repeatability | ≤±0.2 Lovibond Units |
| Temperature Display Range | 0–50 °C |
| Data Storage Capacity | 1,000 measurements |
| Display | 7-inch color TFT touchscreen |
| Interfaces | RS232, USB, USB flash drive support |
| Cuvette Dimensions | 10 mm × 20 mm × 40 mm |
| Power Supply | 220–240 V AC, 50 Hz ±1 Hz, 20 W |
| Dimensions (L×W×H) | 368 mm × 270 mm × 150 mm |
| Net Weight | 4.5 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WXG-4 (Sodium Lamp) |
| Product Type | Circular Scale Polarimeter |
| Temperature Control | Not Available |
| Digital Display | None |
| Light Source | Sodium Lamp (589 nm) |
| Measurement Range | ±180° |
| Angular Resolution | 0.05° |
| Angular Accuracy | 0.05° |
| Scale Division | 1° |
| Eyepiece Magnification | 4× |
| Sample Tube Length Options | 100 mm / 200 mm |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz |
| Dimensions (L×W×H) | 435 mm × 135 mm × 320 mm |
| Net Weight | 5 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WXG-4L |
| Product Type | Circular Scale Visual Polarimeter |
| Temperature Control | None |
| Digital Display | None |
| Light Source | LED (589 nm via interference filter) |
| Measurement Range | ±180° |
| Angular Resolution | 0.05° |
| Angular Accuracy | ±0.05° |
| Scale Division | 1° |
| Eyepiece Magnification | 4× |
| Sample Tube Lengths | 100 mm and 200 mm (standard) |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz |
| Dimensions (L×W×H) | 435 × 135 × 320 mm |
| Net Weight | 3 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WYL-2 |
| Light Source | 12 V / 50 W Tungsten-Halogen Lamp |
| Qualitative Measurement Range | ≤560 nm (First-Order Interference Color) |
| Full-Wave Retardation Plate | 560 nm |
| Analyzer Aperture Diameter | φ150 mm |
| Stage Glass Aperture Diameter | φ220 mm |
| Max. Sample Height | 250 mm |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 30 W |
| Dimensions (L×W×H) | 570 mm × 510 mm × 870 mm |
| Net Weight | 20 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WYL-3 |
| Light Source | 12 V / 50 W Tungsten-Halogen Lamp |
| Qualitative Measurement Range | ≤560 nm (First-Order Interference Color) |
| Quantitative Measurement Range | ≤280 nm (First-Order Interference Color) |
| Resolution | 0.2 nm |
| Sample Height Capacity | 250 mm |
| Full-Wave Retardation Plate | 560 nm |
| Analyzer Aperture Diameter | φ150 mm |
| Stage Glass Aperture Diameter | φ220 mm |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 30 W |
| Dimensions (L×W×H) | 570 mm × 510 mm × 950 mm |
| Net Weight | 21 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WYV-S |
| Product Type | Benchtop Refractometer |
| Display | Color LCD Touchscreen (5.6") |
| Measurement Range (nD) | 1.300000–1.950000 (solids), 1.300000–1.700000 (liquids) |
| Brix Range | 0–100% |
| Resolution (nD) | 0.000001 |
| Resolution (Brix) | 0.01% |
| Accuracy (nD) | ±0.00005 |
| Accuracy (Brix) | ±0.1% |
| Wavelengths | 404.7 nm, 435.8 nm, 486.1 nm, 546.1 nm, 587.6 nm, 589.3 nm, 656.3 nm, 706.5 nm |
| Light Sources | Hydrogen lamp, Sodium lamp, Helium lamp, Mercury lamp |
| Temperature Display Range | 0–50 °C |
| Telescope Magnification | 5× |
| Interfaces | RS232, USB, USB flash drive support |
| Dimensions (Instrument) | 420 × 240 × 440 mm |
| Power Supply Unit Dimensions | 170 × 190 × 160 mm |
| Net Weight | 32 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Display | LCD digital |
| Measurement Principle | Critical-angle refractometry |
| Auto Temperature Compensation (ATC) | Yes |
| Auto Power-Off | Yes |
| Battery Low Warning | Yes |
| Unit Conversion | °C / °F |
| Measurement Range | Brix 0–92%, Refractive Index 1.3300–1.5233, Salinity 0–28%, Urine Specific Gravity 1.000–1.060, Alcohol 0–60% v/v or w/w, Honey Moisture (IHC2002/GB), Serum Protein 0–14 g/dL, Glycol Concentration, Battery Electrolyte, Soy Milk Solids |
| Resolution | 0.1% (Brix), 0.001 (SG), 0.0001 (RI) |
| Accuracy | ±0.2% Brix (typical), ±0.0003 RI (typical) |
| Operating Life | >10,000 measurements per charge |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-F 45 |
| Product Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Operating Temperature Range | 0–40 °C (32–104 °F) |
| Temperature Accuracy | ±0.5 °C (±1 °F) |
| Temperature Compensation Range | 5–40 °C (41–104 °F) |
| Sample Volume | 0.3 mL |
| Dimensions | 145 × 67 × 38 mm |
| Net Weight | 185 g |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Display | TFT Color Backlit LCD |
| Temperature Compensation | Automatic (ATC) |
| Measurement Ranges | Brix (0–92%), Honey (Brix 58–92%, Be° 38–43, IHC/GB water content), Salinity (0–28%), Sugar-Salinity Dual Scale, Wine (Brix, Potential Alcohol % v/v, Oe, KMW), Urine Specific Gravity (1.000–1.060), Serum Protein (0–14 g/dL), Ethanol (0–60% v/v or w/w), Soy Milk (0–35%), Antifreeze (Ethylene/Propylene Glycol, Battery Fluid SG, Windshield Fluid) |
| Accuracy | ±0.1–0.5% for Brix |
| IP Rating | IP65 |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Ranges | Brix 58–92%, Baumé 38–43°, Moisture Content (IHC2002) 13–25%, Refractive Index 1.4370–1.5233 |
| Minimum Resolution | 0.1% (Brix, Baumé, Moisture), 0.0001 (RI) |
| Accuracy | ±0.2% (Brix), ±0.1° (Baumé), ±0.1% (Moisture), ±0.0003 (RI) |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range (Brix) | 58–92% |
| Refractive Index Range | 1.4370–1.5233 |
| Resolution (Brix) | 0.1% |
| Resolution (RI) | 0.0001 |
| Accuracy (Brix) | ±0.2% |
| Accuracy (RI) | ±0.0003 |
| Auto Power-Off | Yes |
| Battery Low Warning | Yes |
| °C/°F Toggle | Yes |
| Operating Life | >10,000 measurements |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WZR |
| Pricing | Upon Request |
| Measurement Range | 0–50 mm (0–500 penetration units) |
| Minimum Resolution | 0.01 mm (equivalent to 0.1 penetration unit) |
| Displacement Sensor Resolution | 0.01 mm |
| Standard Cone Assembly Mass | 150.0 g ± 0.1 g (cone body: 114.44 g ± 0.07 g) |
| Timing Range | 1.0–9.9 s (adjustable in 0.1 s increments) |
| Interface | RS-232 serial port |
| Printer | Built-in RMD III 32PHR-410 thermal microprinter |
| Display | LCD panel |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 30 W |
| Dimensions (W × D × H) | 340 × 280 × 600 mm |
| Net Weight | 16 kg |
| Compliance | GB/T 269–1991, Chinese Pharmacopoeia (ChP) General Chapter 0902 |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WZR-2 |
| Pricing | Upon Request |
| Measurement Range | 0–50 mm (0–500 penetration units) |
| Minimum Resolution | 0.01 mm (0.1 penetration unit) |
| Displacement Sensor Resolution | 0.01 mm |
| Standard Cones | Cone I — total mass 150.0 g ± 0.1 g (cone body 131.78 g ± 0.07 g) |
| Timing Range | 1.0–9.9 s |
| Interface | RS-232 |
| Printer | Built-in RMD III 32PHR-410 thermal printer |
| Display | LCD |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 30 W |
| Dimensions (W×D×H) | 340 × 280 × 600 mm |
| Net Weight | 16 kg |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-1 |
| Instrument Type | Automatic Polarimeter |
| Light Source | Sodium Lamp (589 nm) |
| Measurement Range | ±45° (optical rotation) |
| Minimum Scale Division | 0.001° |
| Accuracy Class | 0.05 |
| Permissible Error | ±(0.01 + 0.05% of reading)° |
| Repeatability (Std. Dev. δ) | ≤0.01° |
| Sample Transmittance Requirement | ≥10% |
| Power Supply | 220 V ±22 V, 50 Hz ±1 Hz, 150 W |
| Dimensions (L×W×H) | 605 × 320 × 220 mm |
| Net Weight | 26 kg |
| Temperature Control | None |
| Display | Analog scale dial (no digital readout) |
| Standard Cells | 100 mm and 200 mm path-length glass tubes |
| Brand | YDWG |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-2S |
| Product Type | Automatic Polarimeter |
| Temperature Control | None |
| Display | Backlit LCD (5-inch) |
| Light Source | LED with Interference Filter (589 nm) |
| Measurement Range | ±45° (optical rotation), ±120°Z (saccharimetric scale) |
| Minimum Resolution | 0.001° (optical rotation), 0.01°Z (sugar scale) |
| Accuracy | ±(0.01 + 0.05% of reading)° (optical rotation), ±(0.03 + 0.05% of reading)°Z (sugar scale) |
| Repeatability (Std. Dev. δ) | ≤0.002° |
| Data Storage | Up to 3 measurements with auto-averaging |
| Interface | Optional dedicated thermal printer (RD-TH32 SC) |
| Power Supply | 220 V ± 22 V, 50 Hz ± 1 Hz, 150 W |
| Dimensions | 605 × 370 × 260 mm |
| Net Weight | 21 kg |
| Accuracy Class | 0.05 |