Kinematic Viscometer LKV-T2012

Introduction

Kinematic Viscometer functions optimally within an ambient temperature range of -10°C to 35°C and relative humidity of up to 85%. Equipped with 11 capillaries it provides versatility for different viscosity measurements. It features a precise temperature control system, adjustable from ambient temperature up to 100°C, with an accuracy of ±0.1°C. An additional timing device is included for accurate measurement of flow times.

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

Kinematic viscometers are commonly used in industries such as automotive, petrochemical, and lubricants to assess the flow characteristics and quality of various fluids.

Specifications

Ambient temperature	-10°C to 35°C
Relative humidity	≤ 85 %
Capillary viscometer	11 pieces
Stirring motor	6 W, 1200 rpm
Temperature controlling range	Ambient temperature to 100 °C
Temperature controlling accuracy	± 0.1 °C
Constant temperature bath	20 L, two-layer bath
Timing device	0.1 s to 999.9 s, resolution is 0.1 s
Inner capillary viscometer diameters	0.4, 0.6, 0.8, 1.0, 1.2, 1.5, 2.0, 2.5, 3.0, 3.5 and 4.0 mm respectively

Features

temperature controller

Electric stirring device

Additional timing device

Two-layer water bath system

Convenient to operate

Fast response

FAQs

1. Can this Kinematic Viscometer handle high-viscosity or low-viscosity samples?

The Kinematic Viscometer is equipped with 11 capillary tubes, enabling it to measure a wide range of viscosities from low-viscosity fuels to high-viscosity lubricating oils. Users can select the appropriate tube based on the expected resistance of the fluid. This variety ensures reliable results across many applications. It is well-suited for laboratories that handle diverse sample types.

2. Can we use this Kinematic Viscometer for opaque or dark-colored fluids?

Kinematic Viscometer is designed to measure both transparent and opaque liquids efficiently. As long as the liquid flows properly through the capillary tube and timing can be observed or calculated, accurate viscosity readings are achievable. For very dark samples, enhanced lighting or alternate timing techniques may be used. The instrument supports such fluids in accordance with standards.

3. How do I select the correct capillary tube for the Kinematic Viscometer ?

Kinematic Viscometer includes a range of capillary tubes with varying diameters and calibration constants to suit different viscosity levels. Selecting the right tube depends on the expected viscosity and target flow time typically between 200 and 1000 seconds for optimal results. Start with manufacturer guidelines or previous lab data, then fine-tune based on sample behavior. Using an improperly sized tube can reduce measurement precision and consistency.

4. What should I do if the temperature displayed by the Kinematic Viscometer does not match my external thermometer?

It Kinematic Viscometer requires thermal equilibrium for accurate readings, so allow sufficient time for the bath to stabilize. If discrepancies persist, ensure the external thermometer is positioned properly within the bath for comparison. Calibration drift of the internal sensor may require adjustment or recalibration. Always verify temperature alignment before performing high-precision tests.

5. What should I do if my sample doesn’t flow properly through the Kinematic Viscometer ?

Kinematic Viscometer is highly sensitive to the sample’s viscosity and flow characteristics. If a fluid does not flow or flows too slowly, try switching to a larger-diameter tube or pre-warming the sample to reduce viscosity. Make sure there are no air bubbles or blockages inside the tube. Filtration may be necessary for samples containing particulates.

6. What precautions should be taken while testing flammable samples in the Kinematic Viscometer ?

Kinematic Viscometer uses a water bath, minimizing ignition risks during viscosity testing of flammable liquids. Still, it’s essential to operate the device in a well-ventilated lab and avoid open flames or spark-producing devices nearby. Use sealed tubes if required and follow safety instructions. Never leave the equipment unattended when testing volatile samples.