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Redwood Viscometer Apparatus Manufacturer,Supplier and Exporter

Redwood Viscometer Apparatus

Product Code : SEL-TM-11065

Quick Answer: The Redwood Viscometer Apparatus measures the viscosity of petroleum products by timing the flow of 50 ml of sample through a stainless steel jet in a silver plated oil cup, held at the set temperature in a heated bath.

Last updated: October 2026

Key Features

  • Silver plated oil cup with precision stainless steel jet, ball valve and cover
  • Copper/stainless steel bath with drain plug, hammertone finish
  • Electrical heating for 220 Volts 50 Hz AC mains, or gas heating arrangement
  • Thermometer clip and stirrer
  • Stand with levelling screws
  • Available in two adaptations

Technical Specifications

SpecificationValue
Oil cupSilver plated, precision stainless steel jet, ball valve, cover
BathCopper/stainless steel, with drain plug
HeatingElectrical, 220 Volts 50 Hz AC, or gas
Sample volume timed50 ml
StandWith levelling screws

About This Product

The sample is filled to the level shown by the gauge in the cup, the surrounding bath is heated to hold the test temperature, and the time taken for 50 ml to run out through the jet is recorded. The method applies to petroleum products that flow as Newtonian liquids, with cut back bitumen and road oils excepted. Educational institutions use it alongside petroleum laboratories, refineries and research organisations. School Educational Instrument can supply the Redwood Viscometer Apparatus to schools and colleges in São Tomé and Príncipe, the United Kingdom, New Zealand, Benin and Eswatini.

Frequently Asked Questions

What does the Redwood Viscometer measure?

The flow time for 50 ml of sample through the stainless steel jet at the set temperature, used to determine the viscosity of petroleum products that flow as Newtonian liquids. Cut back bitumen and road oils are excluded.

Can it be heated without mains electricity?

Yes. Besides electrical heating for 220 Volts 50 Hz AC mains, a gas heating arrangement is offered.

Related: Thermodynamics Models, Saybolt Viscometer Apparatus, Tilting Flume, Pensky Martens Flash Point And Fire Point Apparatus.

For a quotation on the Redwood Viscometer Apparatus, contact School Educational Instrument.

   
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