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Rhopoint – Viscometer – Viscomixer

The Viscomixer is a high-precision viscometer designed to measure the viscosity of coatings and paints in real time, particularly during the addition of solvents or thinners. Fully automated with integrated temperature monitoring and a fixed-speed rotor, it ensures consistent, reproducible results for quality control in paint and coating production.

  • Measurement Capability – Viscosity range 40–141 KU, 32–1,099 g, 27–5,274 cP using a Krebs rotor at 200 rpm.
  • Automation & Accuracy – Automatic paddle lowering, high-stability motor, reproducibility ±1 % F.S, precision ±1 % F.S.
  • Real-Time Monitoring – Digital display, immediate results in KU/g/cP, integrated temperature probe, and date/time stamped outputs.
  • User-Friendly & Durable – Quick-release magnetic paddle, easy-to-clean chassis, automatic lift, and user-certifiable with annual recalibration.

Description

The Rhopoint Viscomixer is a fully automated, high-precision viscometer designed for monitoring and controlling the viscosity of coatings, paints, and inks throughout the manufacturing process. It provides real-time, high-resolution charts of test samples, with results displayed immediately in Krebs Units (KU), grams, or cP. The Viscomixer features a Krebs rotor spinning at 200 rpm, integrated temperature probe, and automatic paddle positioning to ensure consistent and reproducible measurements. Its quick-release magnetic paddle and easy-to-clean design make it highly practical even in demanding industrial environments, while the RS232-compatible printer output allows for date- and time-stamped documentation.

This instrument is especially useful for determining the correct solvent or thinner addition during production, allowing operators to measure viscosity changes directly in small sample containers (250–500 ml) and scale the results for full production batches. With precision of ±1% F.S, reproducibility of ±1% F.S, and compliance with ASTM D562, D856, and D1131 standards, the Viscomixer ensures that coatings maintain the desired rheological properties, preventing problems like sagging, poor leveling, or inconsistent performance. Lightweight yet robust, it weighs 7.25 kg (instrument) with an encasement of 10 kg, making it a versatile and reliable tool for quality control laboratories.

Features

  • Real-time, high-resolution charts of test samples
  • The results are displayed on the screen immediately after testing in KU, g, and cP
  • High-stability motor speed control for accuracy and repeatability of measurements
  • Integrated temperature probe for checking and recording the sample temperature prior to testing
  • The paddle is automatically lowered to test the height of the selected container
  • Quick-release magnetic paddle for easy removal and cleaning
  • Easy-to-clean design – The screen and chassis are easy to clean, even in the harshest environments
  • Date/time stamped results are output to the printer
  • Annual recalibration can be performed by the user

Specifications

Specification Details
Display Mode Digital display
Measurement Range 40 ~ 141 KU, 32 ~ 1,099 g, 27 ~ 5,274 cP
Rotor Specification Krebs rotor
Swirl/Spin Speed 200 rpm
Reproducibility ±1% F.S
Precision ±1% F.S
Container Size 250 ml, 500 ml, 0.5 pint, 1 pint
Power Supply Voltage 100 V / 240 V
Unit Display KU / g / cP
Applicable Standards ASTM D562, ASTM D856, ASTM D1131
Environmental Temperature 10 ~ 40°C
Dimensions (H × W × D) 460 × 320 × 190 mm
Instrument Weight 7.25 kg
Encasement Weight 10 kg
Packaging Dimensions (L × W × H) 680 × 460 × 380 mm
Lifting Method Automatic lift

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