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Digital Brookfield Viscometer NDJ Series LACHOI

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Precision rotational viscometers for high-accuracy fluid viscosity measurement across food, pharmaceutical, cosmetic, chemical, and petrochemical industries.

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  • Brookfield-type operating principle
  • Extended viscosity measurement range: 1 – 2,000,000 mPa·s
  • Precision digital LCD display (backlit on select models)
  • Flexible operation with multiple spindle configurations (No.1–4)
  • Automatic spindle recognition (NDJ-1C model)
  • Multi-speed control levels with automatic calculation
  • Integrated thermocouple (temperature measurement on select models)

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The NDJ Series Digital Brookfield Viscometers are rotational viscometer instruments designed for precise measurement of fluid viscosity with exceptional accuracy. These Brookfield-type devices are widely utilized in food, pharmaceutical, cosmetics, chemical, paint, and petrochemical industries. The series features a digital display, extensive viscosity measurement range, and user-friendly interface. Available in NDJ-5S, NDJ-8S, NDJ-9S, and NDJ-1C models to address varying precision requirements and application needs.

Technical Specifications

Viscosity Measurement Range – NDJ-5S 1 – 1,000,000 mPa·s
Viscosity Measurement Range – NDJ-8S 1 – 2,000,000 mPa·s
Viscosity Measurement Range – NDJ-9S 1 – 1,000,000 mPa·s
Viscosity Measurement Range – NDJ-1C 1 – 2,000,000 mPa·s
Speed Levels – NDJ-5S 0.3–60 rpm (4 speeds)
Speed Levels – NDJ-8S 0.3–100 rpm (8 speeds)
Speed Levels – NDJ-9S 0.1–200 rpm (54 speeds)
Speed Levels – NDJ-1C 0.1–200 rpm (60 speeds)
Spindle (Rotor) Count 4 (No.1–4)
Accuracy – All Models ±1% F.S.
Repeatability – NDJ-5S, NDJ-8S, NDJ-9S ±0.5%
Repeatability – NDJ-1C ±0.2%
Display Type – NDJ-5S, NDJ-8S Digital LCD
Display Type – NDJ-9S Wide LCD display
Display Type – NDJ-1C LCD with temperature indicator
Temperature Indicator – NDJ-5S Not included
Temperature Indicator – NDJ-8S Optional
Temperature Indicator – NDJ-9S, NDJ-1C Included
Automatic Spindle Recognition NDJ-1C model only
Data Interface/Communication – NDJ-5S, NDJ-8S Not available
Data Interface/Communication – NDJ-9S, NDJ-1C RS232
Power Supply – All Models 220V, 50Hz

Applications

  • Food and beverage viscosity testing
  • Pharmaceutical formulation assessment
  • Cosmetic product quality control
  • Chemical fluid characterization
  • Paint and coating consistency measurement
  • Petrochemical product analysis

Frequently Asked Questions

What is the difference between NDJ-5S and NDJ-8S models?
The NDJ-8S offers a higher maximum viscosity range (2,000,000 mPa·s vs. 1,000,000 mPa·s) and more speed levels (8 vs. 4). The NDJ-8S also optionally includes temperature measurement capability.
Which model includes automatic spindle recognition?
The NDJ-1C model features automatic spindle recognition, eliminating manual spindle selection and reducing measurement errors.
Can these viscometers measure temperature?
Temperature measurement is standard on NDJ-9S and NDJ-1C models. The NDJ-8S offers this as an optional feature, while the NDJ-5S does not include temperature measurement.
What spindle options are available?
All NDJ series models are compatible with 4 standard spindle configurations (No.1–4), allowing flexible measurement across a wide range of viscosity values.
Is data transmission to external systems possible?
RS232 data interface for computer connectivity is available on NDJ-9S and NDJ-1C models, allowing real-time data logging and analysis.
What is the repeatability specification?
The NDJ-5S, NDJ-8S, and NDJ-9S offer ±0.5% repeatability, while the NDJ-1C provides superior ±0.2% repeatability.
Are these instruments suitable for pharmaceutical applications?
Yes, all NDJ series models are widely used in pharmaceutical manufacturing for formulation testing, quality control, and stability assessment with ±1% full-scale accuracy.