• info@martests.com
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Precision Rotational Viscometer Solutions

Empower your brand with high-precision rotational viscometers, fully customizable with your logo. Our viscmeters deliver the ideal balance of top-tier quality and competitive pricing, designed to enhance your market share and profitability.

  • Rotating Spindle, Cone and Plate, Coaxial Cylinder
  • Choose from 50+ Different Models
  • Lead times as short as 7 days
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Industry Expertise

Years of experience in viscometer manufacturing and deep industry knowledge

High-Quality Products

Precision-engineered viscometers that meet the highest standards

Comprehensive Services

From product selection to after-sales support, we offer one-stop solutions

Proven Reliability

Widely trusted by leading companies across multiple industries

Our Rotational Viscometers

Browse our core rotational viscometer types and find the ideal solution for your application needs.

Product DV1T & DV2T rotational viscometer version 0

Rotating Spindle Viscometer

Versatile, cost-effective, user-friendly; ideal for quality control. Measures Newtonian and non-Newtonian fluids with consistent accuracy.
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NTV-CAP3 rheometer

Cone and Plate Viscometer

Provides precise, temperature-controlled measurements with minimal sample volume, perfect for R&D and critical quality control.
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ZNN-D6 viscometer 6

Coaxial Cylinder Viscometer

Offers high accuracy across a wide viscosity range, excellent for in-depth rheological analysis of complex fluids in research.
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About Martests

As a trusted Chinese exporter of rotational viscometers, we focus on helping your business succeed with reliable quality, responsive service, and tailored solutions.

Partner with us to bring precision and performance to your lab or production line.

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Assembly Quality Assurance 1
Assembly Quality Assurance 2
Pre-Shipment Quality Verification
Raw Material Quality Control
Assembly Quality Assurance 3
Water Baths
Water Baths
Thermosel System
Thermosel System

Product Features

  • High Precision and Reliability
  • Wide Measurement Range
  • User-Friendly Software
  • Robust and Durable Design
  • Various Accessories and Customization Options
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One-stop Accessories Solutions

Unlock more testing possibilities with our professional accessories – designed to expand your viscometer’s capabilities.

Temperature Probe

Delivers precise, real-time temperature monitoring for consistent viscosity measurements across all testing conditions and sample types.

Spindle Rack

Provides secure storage for delicate spindles, extending lifespan and maintaining calibration accuracy.

Ultra-Low Adapter

The must-have companion for precise measurements when testing ultra-low viscosity fluids below 15 cP - ensures reliable, repeatable results.

Micro Printer

Turn your test results into instant documentation. Our compact thermal printer delivers clear, accurate viscosity reports - exactly when you need them.

Thermosel System

Control precise sample temperatures up to 300°C. Perfect for testing hot melts, waxes, and polymers that require elevated temperatures.

Water Baths

Precise, stable, disturbance-free temperature control for your viscosity testing needs, ensuring flawless laboratory results.

Small Sample Adapter

Specially designed for testing small volumes of expensive or limited samples while maintaining high accuracy and reproducibility of measurements.

Standard Viscosity Fluid

Precisely calibrated reference fluids ensuring your viscometer delivers consistently accurate measurements across all testing ranges.

Model Selection Step

Learn how to choose the right model and configuration based on your sample characteristics and testing needs.

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Define the Measurement Range

Identify the viscosity range of your samples to select the appropriate viscometer type (low, medium, or high viscosity).

Consider Temperature Control

Assess whether temperature control is required to ensure stable and accurate viscosity measurements.

Decide on Accessory Requirements

Determine if accessories are needed based on sample volume, viscosity level, or special testing conditions.

Plan for Standard Calibration

Include standard fluids in your setup to check instrument performance regularly and maintain accuracy.

Choose Based on Application Purpose

Select a model suited to your use case, such as routine QC, R&D, or data alignment with suppliers.

Rotational Viscometers Applications

Achieve accurate, repeatable results by maintaining precise temperature conditions during viscosity and surface tension testing.

Food & Beverage

Guarantee desired texture and stability in your food and beverage products by accurately controlling viscosity throughout development and production.

Pharmaceuticals

Achieve precise formulation and consistent drug delivery by meticulously controlling the viscosity of pharmaceutical liquids and semi-solids.

Cosmetics

Develop luxurious textures and ensure product stability for your cosmetic formulations by precisely measuring and controlling viscosity.

Paints & Coatings

Precisely measure and control viscosity to ensure superior product consistency, optimal application, and desired finish for your paints and coatings.

Petrochemicals & Lubricants

Optimize performance and ensure quality by precisely measuring the viscosity of your petrochemicals and lubricants, critical for process control and product classification.

Adhesives

Achieve optimal bonding strength and consistent application by precisely controlling the viscosity of your adhesives, crucial for reliable product performance.

Chemical Manufacturing

Ensure consistent product quality and optimized processes by precisely monitoring and controlling the viscosity of your diverse chemical formulations.

Pulp & Printing

Maintain optimal print quality and efficient paper production by precisely controlling the viscosity of inks, coatings, and pulp slurries.

Knowledge of Rotational Viscometers

Discover the world of Rotational Viscometers: Uncover their defining characteristics, explore the advantages they offer, and learn about their diverse applications.

What is a Rotational Viscometer?

A rotational viscometer is an instrument used to measure fluid viscosity by rotating a component within the fluid and recording the resistance it encounters. The measured torque reflects the fluid’s internal friction, which correlates directly to its viscosity.

Rotational viscometers are essential for ensuring quality control and product consistency across various industries, providing accurate viscosity measurements. They help ensure materials behave as expected during processing, packaging, and end use.

What are the Advantages?
  • High Precision Measurement: Rotational viscometers provide highly accurate viscosity readings, essential for detailed analysis and quality control in various industries.
  • Versatile Usage: These instruments are suitable for measuring a wide range of fluids, making them adaptable for different industrial and laboratory applications.
  • Real-time Data Output: With the ability to deliver instantaneous viscosity results, these devices facilitate efficient processing and decision-making.
  • Consistent and Reliable: Rotational viscometers offer repeatable measurements, ensuring reliable data for continuous operational excellence.
What are the applications?
  • Research and Development: Utilized in R&D, these instruments help in evaluating the rheological properties of new formulations, aiding in the development of innovative products.
  • Pharmaceuticals: In the pharmaceutical industry, rotational viscometers determine the viscosity of syrups, gels, and ointments, which is vital for ensuring correct dosage and efficacy.
  • Petrochemical Industry: These devices are used to measure the viscosity of lubricants and oils, critical for performance evaluation and formulation adjustments in petrochemical processes.
  • Adhesives and Coatings: By assessing the flow properties of paints, coatings, and adhesives, rotational viscometers assist in maintaining product consistency and application performance.

Manage Quality Issues Effectively

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

Client Feedback & Reviews

Discover what our clients have to say about their experience with our products and services.
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"Martests provided us with exceptional viscometers that have significantly improved the accuracy of our lab results. Their customization services for branding were also exemplary!"
Eleanor Anderson
Eleanor AndersonPurchasing Manager
"We have been sourcing viscometers from Martests for years, and their product quality has never disappointed. Excellent customer service and prompt delivery are additional perks!"
Gabriel Walker
Gabriel WalkerDistributor Owner
"As a company specializing in lab instruments, partnering with Martests has been a game-changer. Their viscometers are reliable and competitively priced, making them a valuable supplier for our business."
Sophie Reynolds
Sophie ReynoldsLab Equipment Supplier

Rotational Viscometer FAQs

For general-purpose, medium-to-high viscosity liquids, a standard rotating spindle viscometer is best. For small sample volumes or specific shear rate control, a cone and plate viscometer is ideal. A cup and bob viscometer is excellent for low viscosity fluids and shear-sensitive materials.
First, identify the viscosity of the samples your customers will measure (e.g., water is ~1 mPa·s, honey is ~10,000 mPa·s). Our Martests viscometers offer wide ranges, and you can expand them further with different spindles and speeds to cover almost any fluid.
Yes, absolutely. This is a core part of our B2B service at Martests. We specialize in Original Equipment Manufacturer (OEM) services. This means we can apply your company’s logo and branding directly onto the viscometers, helping you build your brand in your local market.
Every viscometer from Martests undergoes a strict, multi-stage quality control process. Our products are CE certified, meeting European standards for safety and performance. We also provide a factory calibration certificate with every single unit to guarantee its accuracy.
As a factory, we control the entire production process. We source raw materials directly and operate two efficient production lines. This eliminates middlemen, so we can offer you top-quality viscometers at a very competitive wholesale price, maximizing your profit margin.
We offer a comprehensive one-year warranty on all our rotational viscometers. Our support team is available via email at info@martests.com to help with any technical questions or troubleshooting. We provide clear guidance to resolve issues quickly for our B2B partners.

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  • No. 552, Dongzhou Road, Dongjing Town, Songjiang District, Shanghai, China.
  • info@martests.com
  • +86 182 1706 8101
  • www.martests.com

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