Advanced search options

your global
premium supplier
for laboratory equipment,
accessories and consumables
of word leading manufacturers.
ASTM centrifuge Digtor 21C, Orto Alresa

The picture may be different from the article and can include supply, which is not in the standard scope.

ASTM centrifuge Digtor 21C, Orto Alresa

Art #:
Digtor 21C
Validity: 31.12.2021
Last Update: 14.06.2021
ASTM centrifuge Digtor 21C, Orto Alresa

Digtor 21 C centrifuge has been specially designed for the determination of water and sediment in petrol and used oils, as well as precipitation and demulsification features.

It has been equipped with accessories for run 6 and 8 inches, pear shaped tubes, traces and 12,5 ml tubes.

Its proper for processing samples according following standards: ASTM D 91, D 96, D 893, D 1796, D 2273, D 2709, D 2711, D 4007, D 5546, API 2542, API 2548, BS 4385, ISO 3734, ISO 9030, IP75, IP 359, NF M07-020.


User friendliness

  • TFT touch screen easy to read and values selection (RPM on steps of 100, RCF on steps of 10xg), time, temperature (1°C steps), acceleration/deceleration (1 second steps).
  • The screen which indicates the status can be seen from more than 3 m.
  • Rotor and adapters list on memory.
  • Real values on screen of RCF (x g) based on accessories configuration.
  • Timer count up/down, from 0 or at “set RPM/RCF” for test reproducibility.
  • Short spin key with speed adjustable.
  • Progressive acceleration and braking selectable by operator up to 175 ramps.
  • Automatic rotor recognition.
  • Automatic lid latch lock.
  • Microprocessor controlled.
  • Option: free or locked adjustment of RPM/RCF along the run.
  • Program data protection through password selectable.
  • Tubes on upright on rest.


  • Induction motor maintenance free.
  • Max. speed 3.000 RPM/2.425 RCF(on steps 100 RPM/10 xg)
  • Quiet: noise level < 60 dB.
  • 15 memories + pre-heating program: it allows warm the chamber to test temperature before spin the sample.
  • Device and accessories specially designed for petrol applications.


  • Preheating program with rotor spinning and temperature selectable by operator.
  • Temperature from room + 5°C to 80°C (176°F).
  • Scale Celsius or Fahrenheit.
  • Temperature sensor inside the chamber.


  • Optional Gas Release System: all devices include pre-installation.
  • Isolated avoiding heat lost.
  • Lid locking and holding and lid dropping protection.
  • Overheating protection.
  • Imbalance switch off.
  • Chamber of centrifugation in stainless steel.
  • Viewing and calibration port in the lid.
  • Several messages keep the operator informed about the device situation.
  • Guard ring between the chamber of centrifugation and the housing.