The instrument has been designed to measure grain-size distribution of particles irrespective of their physical and chemical properties. These include solid and oil particles or air bubbles.

Measuring range is between 0.2 to 600 mm.
A protocol is printed after the measurement, according to the user’s requirements.



The measurement method of the IPS analyser is complex and consists in” measurement with regard to influence of laser diffraction for the smallest particles in order to go on, for larger particles, in a continuous and gradual manner, to measure changes in the radiation stream scattered by moving particles. In this way, certain disadvantages of the “laser diffraction” used in the entire measuring range in which individual, largest particles yield weak changes in thediffraction pattern have been eliminated.

There are no optical limitations for measuring individual, small and large particles in the IPS analysers.

The laser radiation stream in infrared not only identifies size of particles, but also renders counting them precisely in the entire measuring range possible.

An electric impulse corresponds to each participle. The impulse is proportional to the particle size. The set of particles is initially measured with the division into 4096 channels and converted (calibrated) into 256 size classes, which are available to a user.



Water solution with suspended particles from the container [3] with mixer [4] is entered to the water flowing through the analyser between union pieces [1] and [2]. The water flow is adjusted automatically after activating the volumetric pump [18] with the switch [5]. Three colour LEDs [6] inform about the operational conditions of the analyser. Measurement of particle size is completely automated and controlled by the computer [7].

It has been shown on the hydraulic diagram of the IPS L analyser that the water flowing in through the union piece [1], and being passed through the electric valve [8], is dosed by the manual valve [9] so that the float does not exceed the upper level of the sensor [11] and is above the lower level of the sensor [12]. This is followed by a pressure drop to the column of water determined by the float level [10] on the valve [9] and filter [13]. The change in pressure causes air bubbles to be released in the water. The valves [15], [19] and [20] are used to vent the analyser. The electric valves [19] and [20] open automatically after the measurements have been completed. The filter [13] purifies the water from particles larger than 0.4 mm. The filter [13] operations (permeability) are controlled by means of the pressure gauge [14]. “Clean water” supplied to the chamber [16] flows into the sensor measuring zone [17], with the needle from which water solution with suspended particles flows out.  “The clean water” in the sensor [17] protects the optics from dirt. The analyser automatically stops after the solution is sucked out from the container [3]. The computer-controlled volumetric pump [18] behind the sensor [17] additionally sucks in the water. The water with suspension flows from the collector [21] to the analyser through the union piece [2]. 

Apart from the measurement program determining concentration of particles in a volume unit, the other programs are also provided, e.g. optimisation program for a given parameter in the granulation function of suspension being tested, calibration program converting granulations in a given calibration, whether sieve, aerometric or spherical.Test results are presented on multi-coloured diagrams and in the form of legible tables.




- measuring range 0,2 - 600 µm 
- number of measuring classes  256
- light source Infrared or laser diode
- power supply  230 V AC, 50 Hz
- operating temperature  273 do 313 K
- weight  12 kg

recording and archiving measurement results






- the main electronic IPS unit with A/C board
- special container
- mixer
- set of cables
- desctop computer
- software kit (measuring, optimising and calibrating applications)


We supply complete, ready-to-use instruments and measuring systems. We ensure full training courses, technical support and warranty and post-warranty service as the producer

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Quality confirmed by ISO 9001 cert.



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18 November 2014

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