Metrohm AG

- Model 893 2.893.0010 - Professional Biodiesel Rancimat Analysis System



The 893 Professional Biodiesel Rancimat is an analysis system for easy and safe determination of the oxidation stability of biodiesel (fatty acid methyl ester, FAME) and biodiesel blends in accordance with EN 14112, EN 15751 and EN 16568 standards. With eight measuring positions in two heating blocks. The built-in display shows the status of the instrument and each individual measuring position. Start buttons for every measuring position enable the measurement start on the instrument. Cleaning effort can be reduced to a minimum through the use of practical disposable reaction vessels and dishwasher-safe accessories. This saves time and costs and significantly improves accuracy and reproducibility.

All accessories necessary for carrying out determinations are included in the scope of delivery. The StabNet software is required for instrument control, data recording and evaluation and for data storage.

  • Dimensions in mm (W/H/D): 383/276.5/461.5
  • Dimensions remark: Without accessories


  • Two individually heated aluminum heating blocks

Max. number of samples

  • Eight (four in each block)

Temperature range

  • 50 - 150 °C, can be set in steps of 1 °C

Temperature correction

  • -9.9 - +9.9 °C, can be set in steps of 0.1 °C

Max. deviation from the set temperature

  • ±0.3 °C

Reproducibility of the set temperature

  • Typically better than ±0.2 °C

Temperature fluctuations

  • Typically

Temperature differential between the individual measuring positions

  • Typically

Response temperature of the overheating protection

  • 180 °C

Gas supply

  • Built-in membrane pump

Gas flow range

  • 1 - 25 L/h

Conductivity measurement

  • 0 - 400 µS/cm


  • USB

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