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Laser Particle Size Analyzer

Gloss Meters

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Additional Product Info

Brief introduction

   Bettersize2000 is an intelligent particle size analyzer that adopts dual lens technology, which has particular functions of auto test, auto alignment, auto water supply, auto drainage, auto bubble removing, auto cleaning etc. It adopts high performance imported semiconductor laser and life time is greater than 25000 hours. As adopting imported high precision battery of lenses, imaging clearly and low distortion, which ensures that weak scattered light signals and light signals from various angles can be detected completely. The instrument has outstanding characteristics of accuracy and good reliability, good repeatability, easy operating, fast test speed, etc. It is a new generation of particle size test instrument that integrates the technologies of laser, computer and photoelectron, and especially suits the laboratories of enterprises, colleges and universities and research institutes to use.


Measuring Range
Method of Water Supply Auto Suction
Repeatability Error
<1%(standard sample D50)
Circulating Pump and Flowrate Centrifugal pump, 500-2500ml/min
Accuracy Error <1%(standard sample D50) 8
Ultrasonic Disperser Anti-dry, 50W, 38KHz
Resolution Single peak, Double-peak and Multi-peak 9
Laser and Service Life Semiconductor Laser, 25000 hours
Focus Mode Automatic Alignment 10
Detector and Quantity Forward and Backward, 90

Application fields

  • Non-metallic powders: coarse whiting, light calcium, talcum powder, kaolin, graphite, wollastonite, brucite, barite, mica powder, bentonite, kieselguhr, clay, silicon dioxide, garnet, zirconium silicate, zirconium oxide, magnesium oxide, zinc oxide, etc.

  • Metal powders: aluminum powder, zinc powder, molybdenum powder, tungsten powder, magnesium powder, copper powder, rare earth metal power, alloyed powder, etc.

  • Other powders: lithium battery material, catalyst, fluorescent powder, cement, abrasive, medicine, pesticide, food, coating, dye, river sediment, ceramic raw materials, chemical materials, nanometer materials, papermaking filler coating, all kinds of emulsions, etc.

Good repeatability

  • Laser, detector and signal transmission system are stable and reliable.

  • Stable and effective dispersing system.

  • Automatic alignment system keeps the instrument always in optimum condition.

  • Sampling rate can reach 3500 times/second, and mass data can effectively reduce the influence of repeatability caused by little abnormal data.

  • As adopting high precision battery of lenses imported from Japan, imaging clearly and low distortion, ensuring that weak scattered light signals and scattered light signals from various angles can be detected completely.

Repeatability of serial tests for same samples

 Repeatability of re-sampling test

Kindly reminder:
Repeatability is primary index of particle size analyzer. It is worthless for particle size analyzer if repeatability is not good. Repeatability is related to the instrument, also, related to the operator, voltage, water quality and interference. It is a reflection of integrated factors.

Good accuracy
  • Adopts dual lens optical system invented by Bettersize and imported Japanese composite lens, which improves the precision of the measurement greatly.

  • Number of photodetectors reaches 90, plus high performance software, can carry out auto test accurately, no matter it is single peak, double-peak or multi-peak sample.

  • Complete sample preparation system included circulation, ultrasonic dispersing, stirring, auto water supply, auto drainage and auto cleaning.

  • Use standard sample to verify and result is identical with nominal value.

Compare with test results of overseas advanced laser particle size analyzer: good consistency.

5.144 19.122


Recent Products



Slip and Friction Tester


The Slip and Friction Tester is designed to measure the sliding resistance of sheet like materials including plastic film, packaging film laminates, paper, paperboard and coated surfaces.

For over 30 years, Testing Machines, Inc. has had a history of producing reliable, accurate and robust testing instruments for measuring coefficient of friction. The model 32-07 is our latest design offering advanced features for measuring and automatically calculating static and kinetic coefficient of friction.

Slip and friction testing aids in the evaluation of chemicals and additives used to create or minimize the degree of friction between two contacting test specimens.


  • Selectable speed from 5 to 50.8 cm per minute (2 to 20 in per minute)
  • Selectable travel distance from 2.5 to 30.5 cm (1 to 12 in.)
  • Load cell: 10 newtons (1 kg, 2.2 lbs)


  • Digital display, storage and editing of up to 100 readings, and selectable units (COF or grams)
  • Settable limits
  • Statistics-average, standard deviation, high/low results.
  • Report printout with built-in printer
  • RS-232
  • Static and kinetic coefficient of friction calculated in one operation.
  • Direct drive arm with unique skid control.
  • Sled-connecting mechanism ensures level pulling action.
  • Easily interchangeable sleds.
  • Full color, easy-to-read display

Instrument Size

Depth: 502 mm (19.75 in.)

Height:406 mm (16 in.)

Width: 679 mm (26.75 in.)

Weight: 25 kg (55 lb)


Electrical: Specify voltage requirements when ordering

Ordering Information

Catalog Number: 32-07

Krebs Viscometer


  • Range: 54-140 KU (75-1000 g.)
  • Sturdy mechanical assembly & easy maintenance
  • Easy to read speed indication
  • Good value for money
  • Standard package: Viscometer, paddle rotor,
  • 1 pint (500 ml) / Ø85 mm can,
  • Set of 7 weights (2 x 5g, 1 x 10g, 1 x 25g, 1 x 50g, 2 x 100g,
  • 1 x 200g, 1 x 500g), AC/DC 12V adapter (for digital version)


This traditional KREBS viscometry instrument uses a rotating paddle driven by falling weights to determine the paint viscosity. The viscosity value in Krebs units can be easily converted using the table supplied or by calculation by formula from the resultant value of total weight required to reach 200 rpm.

The robust and simple construction of this viscometer allows it to be used in various environments.
2 versions available: with tachometer or with stroboscope.

Digital Rotothinner™


  • Quick release chuck for rapid rotor change and cleaning
  • Multipoint calibration
  • Remote calibration key for extra security
  • Storage facility and RS232 output for printer


The Rotothinner instrument uses a disc or ball shaped rotor to determine the viscosity of the sample under test. The results are displayed on the LCD screen in POISE units.

Rotothinners allow the operator to continuously monitor the samples viscosity whilst a solvent or thinner is added. This allows quick correction factors for use in the production batch when carried out quantitatively.

The viscosity is measured using a high quality microprocessor controlled DC motor. The robust construction of the Rotothinners means that they are suitable for use as both production and laboratory instruments. Supplied with a 250ml sample tin.