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Seta - Herschel Emulsifier

The Herschel Emulsifier is a compact and efficient benchtop instrument designed to measure the ability of petroleum oils and synthetic fluids to separate from water.

The instrument incorporates 4 test stirrers, with independent control and motorised raising and lowering. Samples can be tested simultaneously or individually to suit laboratory requirements.

Test cylinders are located in a temperature controlled bath with an adjustable set point of either 54 or 82°C, in accordance with ASTM and ISO test methods.

A large LCD touch screen display is used to initiate test and provides automated sequencing with an audible and visual reminder at each recording interval.

Technical specifications

Bath Volume 5 litres
Bath Liquid Water or white oil
Sample Size 40ml oil, 40ml distilled water, 1% sodium chloride solution or synthetic seawater
Temperature range 54°C and 82°C
Bath Temperature Stability ±1°C
Stirrer Speed 1500 ± 15 rpm
Voltage 110 Vac, 50/60 Hz 240 Vac, 50/60 Hz
Display LCD touchscreen
Dimensions (H x W x D) / Weight 890 x 450 x 450 mm / 49.5 kg

Key features

  • 4 independently controlled test stations
  • Multiple operator safety features
  • Motorised raising and lowering
  • Automated test sequence
  • Intermediate scraping position
  • Inegrated timing
  • Easy handling and removal of sample
  • No removal of the paddles required
  • Guaranteed paddle rotation speed
  • Non-reflective enhanced LED lighting
  • Large viewing window
  • Large LCD touchscreen display
  • Small footprint
  • Intuitive software package


  • Environmental
  • Oil & Gas
  • Pharmaceutical
Stanhope-SetaStanhope-Seta design and manufacture quality control instruments used to measure the physical characteristics that determine product quality and consistency. The 'Seta' range includes test equipment for the hydrocarbons industry as well as many other laboratory test applications for quality control, calibration and analysis.