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| Brand | OMEC |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | NS-90 |
| Price | Upon Request |
| Particle Size Range | 0.3 – 5000 nm |
| Size Measurement Repeatability | ≤ ±1% (NIST-traceable latex standards) |
| Temperature Control Range | 0–90°C (optional 120°C thermostatic cell) |
| Temperature Stability | ±0.1°C |
| Correlator Sampling Time | 25 ns – 8000 s |
| Number of Autocorrelation Channels | >4000 |
| Primary Measurement Principle | Dynamic Light Scattering (DLS) at 90° scattering angle |
| Secondary Measurement Principle | Static Light Scattering (SLS) |
| Sample Volume Requirement | 0.3–5000 nm (size range) |
| Zeta Potential Measurement Capability | Not integrated (ALL = N/A in this model) |
| Typical Measurement Duration | ~10 seconds per run |
| Molecular Weight Range | <1000 Da – 2×10⁷ Da |
| Brand | OMECK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | NS-90 Plus |
| Particle Size Range | 0.3 nm – 10 µm |
| Size Measurement Repeatability | ≤ 1% (NIST-traceable latex standards) |
| Temperature Control Range | 0 – 120 °C |
| Temperature Stability | ±0.1 °C |
| Detection Angle | 90° |
| Measurement Principle | Dynamic Light Scattering (DLS) and Static Light Scattering (SLS) |
| Minimum Sample Volume | 20 µL |
| Sample Concentration Range | ≤ 1 mg/mL (sample-dependent) |
| Measurement Time (per sub-run) | 1.68 s |
| Molecular Weight Range (DLS-derived) | 980 – 2×10⁷ Da |
| Molecular Weight Range (SLS Debye plot) | 342 – 2×10⁷ Da |
| Laser Source | He-Ne gas laser, 632.8 nm, 4 mW |
| Detector | Avalanche Photodiode (APD), QE ≥ 80% @ 632.8 nm |
| Correlator | >4000 channels, 10¹¹ linear dynamic range, minimum sampling interval: 25 ns |
| Compliance | CFDA GMP Annex on Computerized Systems (audit trail, role-based access control, electronic signature) |
| Brand | OMEC |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OMEC NS-90 |
| Price | Upon Request |
| Particle Size Range | 0.3 – 5000 nm |
| Size Measurement Repeatability | ≤ ±1% (NIST-traceable latex standards) |
| Temperature Control Range | 0°C – 90°C (optional 120°C thermostatic cell) |
| Temperature Stability | ±0.1°C |
| Correlator Sampling Time | 25 ns – 8000 s |
| Number of Autocorrelation Channels | >4000 |
| Primary Measurement Principle | Dynamic Light Scattering (DLS) at 90° detection angle |
| Secondary Measurement Principle | Static Light Scattering (SLS) |
| Sample Volume Requirement | 0.3–5000 nm (size range) |
| Zeta Potential Capability | Not integrated (ALL = N/A) |
| Typical Measurement Duration | ~10 minutes per run |
| Molecular Weight Range | <1000 Da – 2×10⁷ Da |
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