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  • Master Catalogue 2025

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  • Microscopes

    Professional Microscopes for laboratory, industry and food

  • Refractometer

    Refractometers measure the refractive index of liquids, pastes and solids with high precision. In close cooperation with well-known partners from industry and research, we have developed refractometers that can be easily integrated into existing processes in the laboratory.

  • Circulating thermostats

    A.KRÜSS offers two thermoelectric circulation thermostats with integrated Peltier technology for external temperature control. The temperature is generated by means of a current flow through semiconductors. So can be done by simply reversing the direction of flow in a small space both heating and cooling. The A.KRÜSS circulating thermostats fulfill all standard tasks and routine work in laboratories and industry. They are specially designed for sample temperature control, analysis tasks and for the temperature control of our high-quality laboratory equipment such as polarimeters and refractometers.

  • Centrifuges

    Centrifuges for Laboratories and Medical Practices

    Discover our high-quality centrifuges for laboratories and medical practices, ensuring reliable results in sample preparation. Whether for blood collection, urine analysis, or specialised laboratory examinations – we offer a wide range of benchtop centrifuges, microhematocrit centrifuges, and universal centrifuges from leading brands. Our models are characterised by easy operation, low noise levels, and precise separation results. With various rotors and adapters, they are highly versatile and perfectly suited to the needs of medical practices, laboratories, and research facilities. Find the right centrifuge for your daily routine work now and benefit from quality, safety, and excellent value for money.

  • Precision balances

    Precision balances

  • Analytical balances

    Analytical balances are high-precision laboratory balances and are used in scientific and industrial laboratories of various industries to determine the mass of solid, bulk and liquid substances with an accuracy of 0.1 mg. Semi-microbalances are even more accurate - their readout resolution is 0.01 mg. Laboratory analytical balances according to OIML have a special accuracy class I. An important characteristic of any balance is the weighing range, the weighing range value for analytical balances from 50 g to 500 g.

    The operation of modern electronic analytical balances is based on the principle of electromagnetic compensation. According to this principle, the weight of the load is compensated by an electromagnetic force directed opposite to the weight. The compensating force is determined by the strength of the current flowing in the magnetic coil. The electrical signal from the sensor is converted into digital, corresponding to the measured mass, and displayed on the display.

    The analytical balance platform is located inside a transparent display case, which serves to eliminate the accumulation of dust and the influence of air currents on the measurement accuracy. The calibration of this precision instrument can be external, internal or automatic. Electronic analytical balances are equipped with a large number of additional functions:

    • selection of a unit of measure of mass (some models have up to 24 units of mass)
    • tare function (zeroing the tare weight in the entire weighing range)
    • dynamic weighing (weighing animals or non-static objects)
    • percentage weighing (making measurements percentage of components)
    • prescription weighing (weighing a multicomponent mixture)
    • hydrostatic weighing (determining the density of substances)
    • the ability to connect to a PC, etc.
  • Moisture analysers

    Moisture analysers

Active filters

KRÜSS KRÜSS Refractometer calibration liquid nD 1.4300 with certificate

Calibration liquid for refractometers with certificate – 30 ml

  • nD 1.4300 ±0,0002 bei 25°C, temperature coefficient -0,000400/+°C, 55%Brix
  • Traceable to an internationally recognized standard according to N.I.S.T.
  • Calibration liquid with defined measured value and certificate at 25°C.
  • Each bottle is equipped with temperature correction information. The setpoints for temperatures deviating from 25°C are easy to calculate individually.
  • The standard is very inert and guarantees a long shelf life of 5 years unopened. After opening the 30ml bottle, half of the remaining time is considered the expiration date.
  • Consists of aliphatic / alicyclic hydrocarbons that are easy to clean with water or standard laboratory solvents, leaving no residue.
  • Substance is very attractive in terms of occupational safety. Classification as: not acutely toxic, not irritant, not serious eye damage, not mutagenic or carcinogenic, not toxic for reproduction. Should not get into the groundwater.
  • Price for 100 ml = 817 €
€245.00
KRÜSS KRÜSS Refractometer calibration liquid nD 1.4800 with certificate

Calibration liquid for refractometers with certificate – 30 ml

  • nD 1.4800 ±0,0002 bei 25°C, temperature coefficient -0.000395 /+°C, 76% Brix
  • Traceable to an internationally recognized standard according to N.I.S.T.
  • Calibration liquid with defined measured value and certificate at 25°C.
  • Each bottle is equipped with temperature correction information. The setpoints for temperatures deviating from 25°C are easy to calculate individually.
  • The standard is very inert and guarantees a long shelf life of 5 years unopened. After opening the 30ml bottle, half of the remaining time is considered the expiration date.
  • Consists of aliphatic / alicyclic hydrocarbons that are easy to clean with water or standard laboratory solvents, leaving no residue.
  • Substance is very attractive in terms of occupational safety. Classification as: not acutely toxic, not irritant, not serious eye damage, not mutagenic or carcinogenic, not toxic for reproduction. Should not get into the groundwater.
  • Price for 100 ml = 817 €
€245.00
KRÜSS KRÜSS Refractometer calibration liquid nD 1.5300 with certificate

Calibration liquid for refractometers with certificate – 30 ml

  • nD 1.5300 ±0,0002 bei 25°C, temperature coefficient -0,000409/+°C
  • Traceable to an internationally recognized standard according to N.I.S.T.
  • Calibration liquid with defined measured value and certificate at 25°C.
  • Each bottle is equipped with temperature correction information. The setpoints for temperatures deviating from 25°C are easy to calculate individually.
  • The standard is very inert and guarantees a long shelf life of 5 years unopened. After opening the 30ml bottle, half of the remaining time is considered the expiration date.
  • Consists of aliphatic / alicyclic hydrocarbons that are easy to clean with water or standard laboratory solvents, leaving no residue.
  • Substance is very attractive in terms of occupational safety. Classification as: not acutely toxic, not irritant, not serious eye damage, not mutagenic or carcinogenic, not toxic for reproduction. Should not get into the groundwater.
  • Price for 100 ml = 850 €
€255.00
KRÜSS KRÜSS Refractometer calibration liquid nD 1.5800 with certificate

Calibration liquid for refractometers with certificate – 30 ml

  • nD 1.5800 ±0,0002 bei 25°C, temperature coefficient -0,000428/+°C
  • Traceable to an internationally recognized standard according to N.I.S.T.
  • Calibration liquid with defined measured value and certificate at 25°C.
  • Each bottle is equipped with temperature correction information. The setpoints for temperatures deviating from 25°C are easy to calculate individually.
  • The standard is very inert and guarantees a long shelf life of 5 years unopened. After opening the 30ml bottle, half of the remaining time is considered the expiration date.
  • Consists of aliphatic / alicyclic hydrocarbons that are easy to clean with water or standard laboratory solvents, leaving no residue.
  • Substance is very attractive in terms of occupational safety. Classification as: not acutely toxic, not irritant, not serious eye damage, not mutagenic or carcinogenic, not toxic for reproduction. Should not get into the groundwater.
  • Price for 100 ml = 884 €
€265.00
KERN & SOHN GmbH Stereo microscope Set KERN OZM 983

Predefined stereo microscope sets with PREMIUM universal stand and illumination for your functional workplace

Technical Data

Optical systemGreenough
Tube typeTrinocular
Ocular magnifications10x
Ocular visual field23 mm
Magnification ratio6,4:1
Zoom [Min]0,7x
Zoom [Max]4,5x
IlluminanceReflected light
Illumination intensity incident light4,5 W
Illumination type incident lightLED
Focusing mechanismcoarse drive
Working distance110 mm
Sample height [Max]130 mm
Stand typeuniversal (spring loaded arm with clamp)
€1,989.00 Regular price €2,210.00
KERN & SOHN GmbH Stereo microscope Set KERN OZM 982

Predefined stereo microscope sets with PREMIUM universal stand and illumination for your functional workplace

Technical Data

Optical systemGreenough
Tube typeBinocular
Ocular magnifications10x
Ocular visual field23 mm
Magnification ratio6,4:1
Zoom [Min]0,7x
Zoom [Max]4,5x
IlluminanceReflected light
Illumination intensity incident light4,5 W
Illumination type incident lightLED
Focusing mechanismcoarse drive
Working distance110 mm
Sample height [Max]130 mm
Stand typeuniversal (spring loaded arm with clamp)
€1,683.00 Regular price €1,870.00