NDJ-S Series Digital Rotary Viscometer
Experience unmatched precision and ease with the NDJ-S Series Digital Rotary Viscometer, designed to deliver reliable viscosity measurements for superior laboratory performance.
- Maximum Range Up to 2,000,000 cP
- Accuracy: ±2%
- Repeatability: ±0.5%

Technical Specifications
Viscosity unit conversion: 1Pa.s=1000mPa.s, 1P=100mPa.s, 1mPa.s=1cP, M=1,000,000, K=1,000, FS=Full Scale
* If the measured viscosity is lower than 15cP, ULR Adapter is required.
Item | NDJ-5S | NDJ-8S | ||||||
---|---|---|---|---|---|---|---|---|
Display | High-Resolution LCD Display | |||||||
Measurement Range (cP) | 1*-100K | 1*-2M | ||||||
Speed (rpm/min) | 6, 12, 30, 60 | 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 | ||||||
Accuracy | ±2% (Newtonian fluid FS) | |||||||
Repeatability | ±0.5% | |||||||
Resolution | 0.01 cP | |||||||
Spindle | L1, L2, L3, L4 | |||||||
Sample Volume (ml) | 300-400 | |||||||
Display Information | Dynamic viscosity, Temperature, Torque%, Speed, Spindle | |||||||
Stop Mode | Manual/Automatic (timed measurement) | |||||||
Dimensions | 300×300×450 mm (L×W×H) | |||||||
Net Weight | 4.5 kg | |||||||
Power Supply | Input AC100V-230V, Output DC12V 2A | |||||||
Power | 30W |
Accessories Solutions
Unlock more testing possibilities with our professional accessories – designed to expand your viscometer’s capabilities.
RTD Temperature Probe

It is applicable to NDJ-5S and NDJ-8S viscometers for measuring and displaying temperature valus.
- Temperature Range: 0℃-100℃
- Resolution: 0.1℃
- Accuracy: ±0.5℃
Micro Printer

Connects with viscometer for real-time measurement printing.
Viscosity Standards

Viscosity standard solution of silicone oil type is used for the calibration of your viscometer, which is convenient to use and reliable in data.
- 450ml per bottle
- 5 cP, 50 cP, 340 cP, 1800 cP, 6190 cP, 9757 cP
Jacketed Glass Beaker

Use your current temperature bath to circulate controlled liquid, ensuring precise sample temperature management.
L Spindles Rack

The spindle rack is used to neatly and safely store L-type spindles, ensuring organization and protection when not in use.
- For Spindles L1, L2, L3, L4
NDJ-S Series Viscometer Features
Latest microcomputer-driven motor ensures accurate, stable, and reliable rotations.
Provides automatic alarms if test range limits are exceeded.
Measured values appear directly on the screen, eliminating the need for secondary calculations.
Simplifies and enhances the detection of non-Newtonian fluid viscosity.
Ensures ease and efficiency in testing conditions.
Offers RTD temperature sensors, ultra-low viscosity adapters, thermostatic baths, printers, DV software, and standard solutions to cater to varied measurement needs.
Water Baths
Precise, stable, disturbance-free temperature control for your viscosity testing needs, ensuring flawless laboratory results.
- Temperature Range: -20℃ to 100℃
- Accuracy: 0.1℃

Ultra-low Viscosity Adapter
Ideal choice for ultra-low viscosity measurement of samples.
Use our new ultra-low viscosity adapter with our viscometer for precise and repeatable low viscosity measurements. Featuring a cylindrical rotor and tubular sleeve, its design adheres to strict rheological standards for accurate results.


Effectively Manage Quality Issues
Learn how we address rework and returns to maintain the highest quality standards and ensure customer satisfaction.
Reasons for Rework
- Failure to Meet Precision Requirements
- Design or Manufacturing Defects
- Software Malfunctions
Reasons for Replacement
- Critical Component Failure
- Persistent Performance Issues
- Equipment Incompatibility
