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| Brand | SOPTOP |
|---|---|
| Origin | Shanghai, China |
| Model | NDJ-1 |
| Instrument Type | Analog Rotational Viscometer |
| Viscosity Range | 1–100,000 mPa·s |
| Rotational Speeds | 6 / 12 / 30 / 60 rpm |
| Spindle Set | LV Spindles #1–#4 |
| Accuracy (Newtonian Fluids) | ±5% |
| Dimensions (W×D×H) | 275 × 265 × 445 mm |
| Display | Analog Pointer Gauge |
| Speed Control | Manual Gear Shift |
| Brand | SOPOTOP |
|---|---|
| Origin | Shanghai, China |
| Model | NDJ-8S |
| Instrument Type | Rotational Viscometer |
| Viscosity Range | 10–2×10⁶ mPa·s |
| Speed Settings | 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 rpm |
| Accuracy (Newtonian fluids) | ±5% |
| Dimensions | 275 × 230 × 475 mm |
| Power Input | 110–240 V AC, 50/60 Hz |
| Display | Digital LCD with English interface |
| Motor Control | Microprocessor-controlled synchronous motor |
| Compliance | Designed for routine QC and R&D use in accordance with ISO 2555 and ASTM D2196 principles |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | ViscoQC 100-L |
| Instrument Type | Benchtop Rotational Viscometer |
| Viscosity Range | 1–6,000,000 mPa·s (L-model optimized for low-viscosity range) |
| Temperature Range | +15 °C to +80 °C (Peltier-controlled, air-backflow cooling) |
| Temperature Resolution & Accuracy | 0.01 °C |
| Speed Range | 0.1–200 rpm (25 standard speeds + 6 user-definable) |
| Torque Range (L) | 0.0673 mN·m |
| Accuracy | ±1.0 % of full scale |
| Repeatability | ±0.2 % |
| Compliance | ISO 2555, GMP, GAMP 5, ASTM D2196, USP <911> |
| Brand | Anton Paar |
|---|---|
| Origin | Austria |
| Model | ViscoQC 300-L |
| Instrument Type | Benchtop Rotational Viscometer |
| Viscosity Range | 1–320 mPa·s |
| Temperature Range | Ambient to 100 °C |
| Temperature Resolution | 0.01 °C |
| Temperature Accuracy | ±0.01 °C |
| Measurement Principle | Rotational viscometry based on Couette flow geometry with defined shear rate control |
| Compliance Standards | ISO 2555, ISO 3219, ASTM D2196, USP <911> |
| Accuracy | ±1.0 % of reading |
| Repeatability | ±0.2 % |
| Sensor | Integrated Pt100 temperature probe |
| Display | 7-inch capacitive touchscreen |
| Toolmaster™ | Auto-recognition of spindle identity and calibration data |
| TruGuard™ | Automatic detection of protective guard sleeve presence |
| TruMode™ | Intelligent speed optimization algorithm for unknown samples |
| Digital Level | Real-time tilt compensation sensor for measurement axis alignment |
| Power Supply | 100–240 V AC, 50/60 Hz |
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