Kinematic Viscosity Bath LB-21KVB – Temperature-Controlled Viscosity Testing Equipment

Product Snapshot

What Is Kinematic Viscosity Bath LB-21KVB Used For?

Kinematic Viscosity Bath LB-21KVB is used to determine the flow time of liquids through glass capillary viscometers at a controlled temperature to calculate viscosity.

Primary uses:

• Petroleum and lubricant viscosity testing

• Automotive oil analysis

• Chemical fluid evaluation

• Quality control and batch validation

• Research and calibration studies

Industries That Use This Product

Kinematic Viscosity Bath LB-21KVB is used in:

• Petroleum and petrochemical testing laboratories

• Automotive lubricant analysis centers

• Chemical processing and R&D facilities

• Academic and research institutions

• Quality control units in lubricant production

How Does Kinematic Viscosity Bath LB-21KVB Work?

Technical Explanation

• Digital PID Controller: Maintains precise temperature stability (±0.01°C)

• Heating System: Provides consistent thermal control

• Circulation Pump: Ensures uniform temperature distribution

• Viscometer Setup: Measures gravity-driven fluid flow

• Timing Method: Records flow time for viscosity calculation

Core Functional Capabilities

• Temperature range: Ambient +5°C to 100°C

• High precision stability: ±0.01°C

• Digital PID temperature control system

• Uniform heating with integrated circulation

• Transparent viewing window for observation

• Supports multiple viscometers

• Over-temperature protection and safety cut-off

• LED digital display for monitoring

Technical Specifications

How to Choose Kinematic Viscosity Bath LB-21KVB

Choose this model if you need:

• High-accuracy viscosity measurement

• ASTM D445, ASTM D446, and ISO 3104 compliance

• Multiple viscometer testing capability

• Stable and uniform temperature conditions

• Clear visual observation during testing

Alternative Equipment for This Product

• Constant Temperature Bath – general thermal control

• Oil Viscosity Tester – rapid lubricant testing

• Thermostatic Circulating Bath – external temperature regulation

Frequently Asked Questions

1. How does Labotronics LB-21KVB maintain temperature control?
    It uses a digital PID controller with a built-in circulation system to maintain uniform and stable temperature.

2. Can multiple viscometers be used simultaneously?
    Yes, the system supports multiple viscometers depending on configuration.

3. Which standards does it comply with?
    It complies with ASTM D445, ASTM D446, and ISO 3104 standards.

4. Is it suitable for transparent and opaque liquids?
    Yes, it supports testing of both transparent and opaque petroleum samples.

5. What safety features are included?
    It includes over-temperature protection, automatic shutoff, and safety alerts.

6. What maintenance is required?
    Regular cleaning of bath fluid and inspection of the circulation system are recommended.

Typical Application Scenarios

• Lubricant viscosity testing for automotive applications

• Petroleum and fuel oil analysis

• Research on viscosity-temperature relationships

• Calibration and validation of viscometers

• Quality control in lubricant production

Compliance and Standards

• ASTM D445 viscosity testing

• ASTM D446 viscometer standards

• ISO 3104 viscosity determination

• Good Laboratory Practice (GLP)

• ISO 9001:2015 quality standards

Internal Linking Opportunities

Comparison Table

Quick Summary

Kinematic Viscosity Bath LB-21KVB provides precise temperature-controlled viscosity testing for petroleum products, lubricants, and industrial fluids. With digital PID control, uniform heating, and multi-sample capability, it ensures accurate and repeatable results for research, quality control, and ASTM-compliant laboratory applications.