Kinematic Viscometer LKV-T2020

Introduction

Kinematic Viscometer measure fluid viscosity by observing the flow of liquids, with bath volume of 18 heating elements for temperature regulation. High-quality glass construction ensures durability and resistance to chemical reactions. Feature digital display for real-time monitoring of values. Visual indicators signal when maintenance or recalibration is needed.

This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Kinematic Viscometer measures fluid viscosity in petrochemicals, pharmaceuticals, food and beverages, cosmetics, lubricants, and paints. It ensures quality control, and optimal performance in diverse applications.

Specifications

Temperature Range	Ambient to 100℃
Temperature Accuracy	±0.01℃
Sample Capacity	4
Bath Construction	Φ300×300mm glass vessel enclosed in Acrylic housing
Bath Volume	18L
Motor-stirrer	Stirrer motor 40W, impeller Φ50mm, stirring speed: 1250rpm
Included Pinkevitch Viscometers	8 different sizes Pinkevitch viscometers conforming to D446, 3105, GB/T 30514, and SH/T 0173
Heating Power	1600W
Operating Conditions	5 to 35°C, 35%-95% relative humidity
Power Supply	220V±10%, 50Hz±1Hz
Dimensions (W × D × H)	580mm × 400mm × 482mm
Weight	15Kg

Features

Quick temperature stabilization

Digital display of temperatures

Four viscometer ports

Glass vessel in housing

Simultaneous viscosity determinations possible

FAQs

1. What is the difference between kinematic and dynamic viscosity, and which one does the Kinematic Viscometer measure?

Kinematic Viscometer is designed to measure kinematic viscosity, which shows how a fluid flows under gravity. Kinematic viscosity is given in centistokes (cSt), while dynamic viscosity, measured in centipoise (cP), shows how a fluid resists flow when force is applied. It is best for fluids that flow on their own through a capillary tube, like oils and fuels. Dynamic viscosity can be found by multiplying kinematic viscosity by the fluid’s density. device is widely used in oil and fuel labs because these industries often prefer kinematic viscosity testing.

2. How should samples be prepared before testing with the Kinematic Viscometer ?

The Kinematic Viscometer requires proper sample preparation to get accurate viscosity readings. The sample should not have bubbles, solid particles, or moisture, as these can affect how the liquid flows through the viscometer tube. It works best when the sample is pre-filtered and brought to room temperature before placing it in the bath. Use clean and dry pipettes or syringes to fill the tubes to avoid contamination. recommendation is to always use the same amount of sample and follow the same steps every time to get repeatable and accurate results.

3. How is sample contamination minimized in the Kinematic Viscometer setup?

Kinematic Viscometer uses separate viscometer tubes for each sample, which helps avoid cross-contamination. The open bath design of the viscometer makes it easy to place and remove the tubes without them touching each other. The clear bath allows users to see if there are air bubbles, dirt, or leftover fluids before starting the test. It is important to follow regular cleaning steps, flush with proper solvents, and use specific tubes for each type of sample. For important tests, our advice is to use separate tubes for each sample to avoid mixing results.

4. How should users clean and maintain the tubes of Kinematic Viscometer ?

Kinematic Viscometer uses Pinkevitch viscometer tubes that must be cleaned immediately after each use to maintain measurement accuracy. A suitable solvent such as acetone, hexane, or a lab-approved cleaning agent should be flushed through the tubes using a vacuum system or pressure bulb. It benefits from proper drying using warm, filtered air or by air-drying in a dust-free cabinet. Periodic inspection is essential to detect internal residue, scratches, or any physical damage that may impact test results. system requires users to avoid abrasive tools or brushes, as these can damage the precision interior surface of the tubes.

5. What troubleshooting steps should we take if viscosity readings are inconsistent on the Kinematic Viscometer ?

The Kinematic Viscometer may show inconsistent results due to temperature instability, improper tube cleaning, incorrect sample handling, or damaged equipment. First, confirm that the bath temperature remains stable and accurate within ±0.01°C throughout the test. It relies heavily on clean and dry Pinkevitch tubes any residual moisture or contamination can alter flow times significantly. Ensure tubes are free from scratches and air bubbles and that they are properly aligned within the bath. To reduce user error, our recommendation is that operators follow a consistent timing and observation method, and replace any visibly worn or damaged viscometers.