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| Brand | SOPOTOP |
|---|---|
| Origin | Shanghai, China |
| Model | NDJ Series |
| Instrument Type | Fixed-Base Rotational Viscometer |
| Operating Environment | Ambient Temperature |
| Viscosity Range | 0.1–1,000,000 mPa·s |
| Display | Analog Pointer |
| Speed Settings | Manual Selection (e.g., 0.3–60 rpm across models) |
| Rotor Sets | Standard #1–#4 (NDJ-1/NDJ-4) |
| Accuracy | ±5% for Newtonian fluids |
| Dimensions (L×W×H) | 275 × 265 × 445 mm |
| Compliance | Designed per GB/T 2794–2013 (Chinese national standard for viscometer calibration), compatible with ISO 2555 and ASTM D1084 test methodologies |
| Brand | SOPTOP |
|---|---|
| Model | SNB |
| Type | Benchtop Rotational Viscometer |
| Measurement Principle | Couette Flow Rheometry |
| Viscosity Range | 10–1,000,000 mPa·s |
| Speed Options | 6/12/30/60 rpm |
| Standard Spindles | #1–#4 (optional #0 spindle available) |
| Accuracy (Newtonian fluids) | ±2% |
| Power Input | 110–240 V AC, 50/60 Hz |
| Dimensions | 275 × 265 × 445 mm |
| Compliance | Designed for GLP-compliant routine QC environments |
| Sample Temperature | Ambient (20–25 °C recommended) |
| Brand | SUNNY HENGPING INSTRUMENT |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Rotational Viscometer |
| Operating Environment | Ambient Temperature |
| Viscosity Range | 10–3.2×10⁸ mPa·s (model-dependent) |
| Display | High-Resolution TFT Color Screen |
| Speed Control | Stepless & Stepped (0.1–200 rpm) |
| Rotor Compatibility | Spindles #1–#4 (DV-1/DV-2), R2–R7 (DV-3/DV-4) |
| Accuracy (Newtonian fluids) | ±1% |
| Dimensions (L×W×H) | 325×280×370 mm |
| Optional Accessories | UL Adapter (SP-0), Small Sample Adapter |
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