Peter Rassloff Instruments & Services (Cape) CC.

 PRIS Cement Instruments


Tel: +27 (0)11 425 1151 /  +27 (0)11 425 3948

+27 (0)11 425 1839 

Roaming Cell: 

+27 (0)82 4666 469 Maria


We have relocated our Cape Town offices and are now only working from our Johannesburg office

Falling Number/Enzyme Analysis


 Falling number FN 7100 & FN 7200



  • CE certified
  • Large colour TOUCH PANEL display with 140*180 mm dimensions  (First Ever In the World!)
  • Touch Panel  facilitates to see all test functions on the same display and prevent user from going through many submenus to pass another test mode.
  • Measures FN conforming to international standards (ICC and AACC Standard methods).
  • Single Analysis System
  • Segregation of sound and sprouted grain to save money and ensure quality
  • Possibility to perform;
  •              -Classical Falling Number Test in wheat flour and meal.
  •              -Falling Number Test in wheat flour with Altitude Correction, 
  •              -Falling Number Test in meal of wheat,durum,rye and barley  with Altitude Correction,
  •              -Fungal Falling Number Test to measure alpha amylase activity of the flour which was  improved by alpha amylase. The information regarding the Fungal Falling Number is for optimizing use of additives and calculation of malt or fungal additives.
  • Possibility to change the test mode with only one button touch.
  • Automatic  altitude  correction and automatic recalculation of FN results
  • Correction of sample weight both for 15% and 14% moisture basis and for  FFN test.
  • Correction of FN results according to moisture content of the sample(MOISTURE FN)
  • Correction of FN results according to sample weight  (MOISTURE GR)
  • Calculates and prints the mean value after each double analysis.
  • Calculates Liquefaction Number
  • Calculation of Blends
  • Sample identifications can be entered to the system separately.
  • Integrated Printer ,possibility to set print out results
  • Date,time,temperature in the boiler,test temperature ,test results,company details,test mode ,warning messages  can be viewed on the display.
  • The latest test  results can be viewed on the display and archived.
  • Easy-to-use, accurate , fast and simple-to-interpret.
  • Water-bath component and the controller are separate. This might prevent both problems related to water spillage or spread of heat into the electronics. We have to remember here that the water-baths are capable of going up to 100 Deg C

Falling number FN 7100 

Falling number FN 7200 

 Shakematic FN 7



  • Used for preparing homogenous samples for Falling Number Test.
  • Automatic.
  • Reduces operator influence on results.
  • Reduces total analysis time.


86 Pretoria road, Rynfield, Block 1,
Benoni, 1501