A fully automated solvent extractor capable of a high sample throughput, offering state-of-the-art technology for a fast, precise and accurate fat determination in complete safety according to Randall or Twisselmann techniques.

Exceptional Versatility and Scalability

  • Great range of applications for fat determination and sample preparation
  • Vast set of accessories for a wide range of applications
  • Up to 4 SER 158 units independently controlled with a single ControlPad managing up to 24 active positions
  • Works with the majority of solvents

High Productivity

  • Fast fat determination
  • Extraction process with Randall technique is 5 times faster than traditional Soxhlet
  • 24/7 unattended operations with automatic shutdown to ensure high throughput

High Performance

  • Fully automated extraction process
  • Titanium condensers (Patent pending) for unparalleled performance
  • Vast set of sensors and state-of-the-art technology
  • Conform to Good Laboratory Practice standards

Extreme Safety

  • SolventXpress™: the smart and hermetically sealed solvent dispensing system
  • SafeEnd™: to prevent the overheating of the soluble matter
  • Safety Guard: to ensure operator safety

Smart User Interface

  • One click “Load & Go”
  • Easy analysis program setting
  • LED guidance for active positions
  • Multi-lingual support
  • Several Predefined Methods
  • Balance connection

Cloud-Enabled Device

  • Monitor and control SER 158 remotely with VELP Ermes Cloud Platform
  • Receive event and alarm notification for total control of your analyses
  • Access to your data anytime via PC, smartphone and tablet
  • Create and share reports, track trend and get useful insights
  • Effortlessly connect your instrument to the cloud in complete safety

For replacement parts, see the "Suggested Products" tab below.

Get a Quotation

Questions and inquires please contact us: [email protected] 

Item NumberItem DescriptionPQPriceQty AvailQuantity
Automatic Solvent Extractor, 6 Positions, 115-230V
Call for
Automatic Solvent Extractor, 6 Positions, No ControlPad, 115-230V
Call for
  † Reusable Glass/Plastics
Item NumberItem DescriptionPQPriceQty AvailQuantity
CG-1997-W-601VELP Ermes 1 Year ConnectionEACH
Call for
CG-1997-W-603VELP Ermes 3 Year ConnectionEACH
Call for
  † Reusable Glass/Plastics
 3 Positions6 Positions
Max. Capacity21 samples/day/unit42 samples/day/unit
ScalabilityUp to 4 units, 12-pos.Up to 4 units, 24-pos.
Display7" touch screen (extractable)7" touch screen (extractable)
Solvent AdditionAutomatedAutomated
Solvents AcceptedCapable of being used with the majority of solventsCapable of being used with the majority of solvents
Solvent Recovery>90%>90%
LightingLED illuminating the active positionsLED illuminating the active positions
Heating ElementGlass ceramic (selectable positions & idependent switch on/off)Glass ceramic (selectable positions & idependent switch on/off)
Thimble Type3 sizes (micro, standard, jumbo) - Cellulose3 sizes (micro, standard, jumbo) - Cellulose
 1 size (standard) - Glass1 size (standard) - Glass
Thimble SizeCellulose; micro: 25 x 80mm / standard: 33 x 80mm / macro: 40 x 80mmCellulose; micro: 25 x 80mm / standard: 33 x 80mm / macro: 40 x 80mm
 Glass; standard: 44 x 75mmGlass; standard: 44 x 75mm
Sample Size0.5 to 15g in 30 x 80mm thimbles (generaly 2-3g)0.5 to 15g in 30 x 80mm thimbles (generaly 2-3g)
SealsVaflon (widely applicable), Viton ButylVaflon (widely applicable), Viton Butyl
CondensersTitanium (VELP Patent Pending)Titanium (VELP Patent Pending)
Cooling Water FlowFrom 1.0L/minFrom 1.0L/min
Programs41 (21 standard + 20 customizable)41 (21 standard + 20 customizable)
Interfaces3 x USB / Ethernet (PC)3 x USB / Ethernet (PC)
Result CalculationAutomatic, on ControlPad (using balance or entering weights)Automatic, on ControlPad (using balance or entering weights)
StructureMetal (for the unit) / Technopolymer (for the ControlPad)Metal (for the unit) / Technopolymer (for the ControlPad)
Dimensions358 x 546 x 450mm / 14 x 21.5 x 17.7in546 x 546 x 450mm / 21.5 x 21.5 x 17.7in
Dimensions with ControlPad358 x 546 x 570mm / 14 x 21.5 x 22.4in546 x 546 x 570mm / 21.5 x 21.5 x 22.4
Weight29kg / 64lb36kg / 80lb
Power Supply115/230V , 50/60Hz115/230V , 50/60Hz
Power Consumption630/850W630/850W