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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | WZS-182E |
| Form Factor | Benchtop / Laboratory |
| Measurement Range | (0.00–9.99) NTU |
| Resolution | 0.01 NTU |
| Accuracy | ≤ ±6% |
| Repeatability | ≤ 0.5% |
| Light Source | Tungsten-halogen lamp |
| Compliance | EPA Method 180.1 & HJ 075-2017 |
| Measurement Principles | Nephelometric (90° scattering) and Ratio (scattering + transmission) modes |
| Units | NTU, FNU, EBC |
| Display | High-resolution LCD with intuitive UI |
| Calibration | Built-in standard curves + user-defined single/multi-point calibration |
| Environmental Operating Temperature | Ambient (10–30 °C) |
| Ingress Protection | IP54 |
| Included Accessories | Instrument host, 5 x standardized turbidity vials, long-life calibration standards (20–500 NTU) |
| Brand | YDWE (Yidian Wuguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WYA-2S |
| Type | Benchtop Abbe Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range (nD) | 1.30000–1.70000 |
| Brix Range | 0–95% |
| Accuracy (nD) | ±0.0002 |
| Accuracy (Brix) | ±0.1% |
| Temperature Display Range | 0–50 °C (0.1 °C resolution) |
| Mass | 10 kg |
| Dimensions | 330 mm × 180 mm × 380 mm |
| Interface | Standard RS-232 printing port |
| Brand | INESA Physical Optics (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-3 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Yes (thermostatically regulated sample chamber) |
| Digital Display | Backlit LCD |
| Light Source | Sodium D-line lamp (589.44 nm) |
| Optical Rotation Range | ±45° |
| Sugar Scale Range | ±120°Z |
| Minimum Resolution | 0.001° |
| Accuracy | ±(0.01° + 0.05% of reading) for optical rotation |
| Repeatability | ≤0.003° (optical rotation) |
| Minimum Sample Transmittance | 10% |
| Compliance Class | Grade 0.05 polarimeter per JJG 536–2015 (Chinese National Verification Regulation for Polarimeters) |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | MCP 150 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Peltier-based (15 °C to 35 °C) |
| Display | 5.7" TFT touchscreen (640 × 480 px) |
| Light Source | LED (589 nm, 100,000 h lifetime) |
| Measurement Range | ±89.9° |
| Resolution | 0.001° |
| Accuracy | ±0.004° |
| Repeatability | ±0.004° |
| Response Time | ≤12 s |
| Optical Density Compensation | up to OD 2.0 |
| Temperature Sensor | Integrated PT100 |
| Temp. Accuracy | ±0.1 °C |
| Temp. Resolution | 0.1 °C |
| Sample Cell Recognition | Toolmaster™ RFID auto-identification |
| Cell Length Compatibility | 2.5 mm to 100 mm |
| Interfaces | 3× USB-A, USB-B, RS232, Ethernet, CAN bus |
| Dimensions (L×W×H) | 370 × 320 × 130 mm |
| Weight | 8.6 kg |
| Power Supply | 100–240 VAC, 50/60 Hz, max. 120 VA |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | Abbemat 3200 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.30 to 1.72 |
| Refractive Index Accuracy | ±0.0001 |
| Measurement Time | ~5 s (after thermal equilibration) |
| Sample Volume | ~0.2 mL |
| Light Source | LED at 589 nm |
| Interface | RS-232, 2× USB, Ethernet, LIMS-compatible |
| Display | 5.8-inch color touchscreen |
| Dimensions (W×H×D) | 228 × 94 × 300 mm |
| Weight | 4.6 kg |
| Prism Material | Sapphire |
| Wetted Materials | Sapphire, perfluoroelastomer, PP-GF30, stainless steel |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | Abbemat 350 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range | 1.26–1.72 |
| Refractive Index Accuracy | ±0.0001 |
| Temperature Control Range | 4–85 °C |
| Temperature Stability | ±0.002 °C |
| Minimum Sample Volume | ~0.2 mL |
| Measurement Time (post-equilibration) | 5 s |
| Light Source | LED, 589 nm, >100,000 h lifetime |
| Prism Material | Sapphire |
| Compliant with | FDA 21 CFR Part 11, GMP, GAMP 5, USP <851>, Ph. Eur., JP |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | Abbemat 550 |
| Product Type | Benchtop Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Refractive Index Range (nD) | 1.26–1.72 |
| Refractive Index Accuracy (nD) | ±0.000001 |
| Refractive Index Precision (nD) | ±0.000001 |
| Brix Range | 0–100 % |
| Brix Accuracy | ±0.015 % |
| Temperature Control Range | 4–85 °C |
| Temperature Stability | ±0.002 °C |
| Temperature Probe Accuracy | ±0.03 °C |
| Wavelength | 589 nm (Na-D line) |
| Minimum Sample Volume | ~0.2 mL |
| Measurement Time (post-equilibration) | 5 s per sample |
| Light Source | LED (Lifespan > 100,000 h) |
| Prism Material | Sapphire (Vickers hardness ≈ 2000 HV) |
| Compatible Sample Types | Liquids, pastes, polymers, solids, turbid, colored, and opaque materials |
| Compliance | FDA 21 CFR Part 11, GMP, GAMP 5, USP <1058>, Ph. Eur., JP |
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