Index Engineering Co.

A Kinematic Viscosity Bath is a precision-controlled temperature bath specifically designed for the determination of the kinematic viscosity of petroleum products, lubricants, and other fluids. The measurement is usually performed following standards like ASTM D445, IP 71, or ISO 3104, which specify the methods for measuring the flow time of a fluid under gravity through a calibrated glass capillary viscometer.

Here’s a breakdown of its key features and functionalities:

• Measures kinematic viscosity, which is the ratio of dynamic viscosity to fluid density.

• Essential for quality control in oil refineries, automotive, lubricant production, and chemical industries.

• Operates typically in the range of ambient to 150°C (some go up to 200°C).

• Equipped with PID digital temperature controllers to maintain precise temperature within ±0.01°C.

• Uniform temperature distribution is critical, as viscosity is highly temperature-dependent.

• Transparent tank (glass or clear polycarbonate) for visibility of viscometer tubes.

• Stainless steel internal parts for corrosion resistance.

• Insulated housing to maintain temperature stability and reduce energy use.

• Built-in circulation or magnetic stirrer ensures uniform temperature throughout the bath.

• Designed to hold multiple viscometer tubes (U-tube, Cannon-Fenske, Ubbelohde, etc.).

• Common models hold 2–8 tubes at once.

• Integrated illumination system (usually LED or fluorescent) for clear observation of flow time through viscometers.

• Over-temperature cut-off, low-liquid level sensors, and alarms to prevent overheating or dry running.

• Conforms to ASTM D445 / D446, ISO 3104 / 3105, and other industry standards.

• Software interface for data logging and remote monitoring.

• Automated timing systems to calculate viscosity accurately.

• External chiller or heater for broader temperature ranges.

• Touchscreen controls and programmable test protocols.

• Engine oils, hydraulic fluids, gear oils, jet fuels, biodiesel.

• Polymers, surfactants, and industrial chemicals.

• Quality control and research in petrochemical labs.

Additional Information:

• Minimum Order Quantity: 1 Piece
• Delivery Time: 7 to 15 days