Herschel Emulsifier - 96700-2

ASTM D1401
IP 412
ISO 6614

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.

Herschel Emulsifier - 96700-2


  • Multiple operator safety features
  • Intermediate scraping position
  • Integrated timing
  • No removal of the paddles required
  • Guaranteed paddle rotation speed
  • Non-reflective enhanced LED lighting
  • Large viewing window
  • Small footprint



Operator Safety
- Obstruction override if paddles are placed under any resistant load
- Duplex protective viewing glass
- Automatic high temperature cut out
- Overflow prevention
- Automatic low-level liquid trip
- Abort button for emergency all stop

Ease of Use
- Fully automated paddle movement with motorised raising and lowering
- Easy sample handling without removing the stirrer paddle
- Self-centering collet to ensure concentricity within 1 mm
- Positioning within 6mm from the bottom of the cylinder automatically achieved
- Large LCD touch screen display

Precision and Accuracy
- Non-reflective enhanced LED lighting for improved measurement precision
- Post stirring, intermediate scraping position ensure accurate readings
- Guaranteed paddle rotation speed, regardless of viscosity
- Large viewing window

Enhanced Test Throughout
- 4 independently controlled test stations reduce waiting time
- Rapid bath heat up time


ASTM D1401 Standard test method for water separability of petroleum oils and synthetic fluids
ISO 6614 Water Separability of Petroleum Oils and Synthetic Fluids
IP 412 Petroleum products - Determination of water separability of petroleum oils and synthetic fluids


Bath Volume5 litres
Bath LiquidWater or white oil
Sample Size40ml oil, 40ml distilled water, 1% sodium chloride solution or synthetic seawater
Temperature Eange54 °C and 82 °C
Bath Temperature Stability±1 °C
Stirrer Speed1500 ± 15 rpm
Voltage110/240 V, 50/60 Hz, Autosensing Universal PSU
DisplayLCD touchscreen
Size (HxWxD)89 cm x 45 cm x 45 cm
Weight49.5 kg
CCCN CodeTariff 90318080

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