The modular concept of the processor viscosity measuring system PVS1 for the automatic determination of kinematic viscosity using standard viscometers provides optimum flexibility in sample throughput and automation to suit each individual application.

List of Viscosity Measuring System PVS

1. Low-cost measuring system PVS1/1 with one stand 

2. PVS1/1 with one stand and automatic cleaning

3. PVS1/1 for intrinsic viscosities (Staudinger Index) using serial dilution

4. PVS1/4 with four stands and automatic cleaning

Description

Low-cost viscosity measuring system PVS1/1 with one test stand

Consisting of:
  • control unit PVS1/1
  • intelligent test stand S5
  • intelligent test stand S5
  • one KPG Ubbelohde viscometer (standard) in the test stand, two in pre-thermostating places
  • Ecoline thermostat E 215 T with cover plate
  • PC with WINDOWS measuring program

Features:

  • automatic flow-time measurement (manual cleaning)

  • simple and quick viscometer changeover of pre-thermostated viscometers

  • use of different capillary sizes provides large flexibility

  • WINDOWS measuring program for control, evaluation and reporting

  • up to two samples per hour can be evaluated

  • thermostating (± 0.1 °C) up to 60 °C

  • low-priced and expandable

     

    S1/1 with one test stand

 
PVS1/1 with one test stand and automatic cleaning

Consisting of:

  • control unit PVS1/1

  • test stand S5

  • KPG Ubbelohde viscometer with aspirating tube

  • cleaning module VRM1 for automatic cleaning of one viscometer

  • Ecoline thermostat E 215 T with cover plate

  • PC with WINDOWS measuring program

 

PVS1/1 with one test stand and automatic cleaning

Features:

  • automatic flow-time measurement and on-line cleaning with two cleaning liquids using programmable cleaning program

  • suitable for all organic liquids and corrosive cleaners (e.g. sulfuric acid) since completely resistant to chemicals. Separate disposal of the different cleaning liquids
PVS1/1 for intrinsic viscosities (Staudinger Index) using serial dilution

Consisting of:

  • control unit PVS1/1

  • test stand S5

  • Ubbelohde dilution viscometer

  • program-controlled burette for solvent addition (dilution)

  • magnetic stirrer for homogenising

  • Ecoline thermostat E 215 T with cover plate

  • PC with WINDOWS measuring program

 

PVS1/1 for intrinsic viscosities

Features:

  • automatic flow-time measurement

  • automatic measurement of viscosities at different concentrations

  • up to nine concentration steps can be programmed

  • evaluation of Staudinger Index and molecular mass by regression analysis

  • automatic cleaning (option)
PVS1/4 with four test stands and automatic cleaning
Consisting of:

  • control unit PVS1/4

  • four intelligent test stands S5

  • four KPG Ubbelohde viscometers with aspirating tube

  • two cleaning modules VRM2 for automatic cleaning of two viscometers each

  • microprocessor clear-view thermostat D 20 KP with through-flow cooler DLK 10

  • PC with WINDOWS measuring program

 



PVS1/4 with four test stands and automatic cleaning

Features:

  • automatic flow-time measurement and on-line cleaning with two cleaning liquids each, using programmable cleaning procedures

  • all organic liquids and corrosive solvents (e.g. sulfuric acid) can be used for cleaning since completely resistant to chemicals

  • separate disposal of used solvents

  • parallel operation permits large sample throughput (approx. 8 samples/h)

  • maximum temperature stability (variation ± 0.01 °C) over large temperature range (-20 °C to +200 °C)