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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

KERN PCD 10K0.1 Precision balance 0,1g
  • -10%
KERN & SOHN GmbH KERN PCD 10K0.1 Precision balance 0,1g

High-resolution precision balance with removable display for maximum flexibility

Adjusting program (CAL): For quick setting of the balance's accuracy. External adjusting weight required. Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: with weight, date and time. Only with KERN printers, see Accessories Piece counting: Reference quantities selectable. Display can be switched from piece to weight. Recipe level A: Separate memory for the weight of the tare container and the recipe ingredients (net total). Percentage determination: Displays the deviation from the reference weight (100%) in % instead of grams. Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model.  Vibration-free weighing: (Animal weighing program) Vibrations are filtered out so that a stable weight is obtained. Battery operation: The battery type is specified for each device. Universal mains adapter: with universal input and optional input socket adapters for EU, GB, USA Strain gauge: An electrical resistor strip that is glued to an elastic deforming body made of aluminium. As the strain gauge is mechanically deformed its resistance value changes, allowing the measured value to be calculated. 2 years warranty

€270.00 Regular price €300.00
Precision balance KERN EWJ 300-3H 1 mg
  • -10%
KERN & SOHN GmbH KERN EWJ 300-3H Precision balance 1 mg

High-quality precision balance with automatic internal adjustment

TECHNICAL DATA

Weighing capacity [Max] 300 g
Readability [d] 1 mg
Linearity ± 5 mg
Reproducibility 2 mg
Stabilization time 3 s
Interfaces RS-232 standard, USB-Device
Adjustment options Internal calibration (automatic)
Ambient temperature 15 °C – 35 °C
Dimensions weighing surface (Ø) 80 mm
Material draught shield plastic, glass
Material housing plastic
Dimension housing (W×D×H) 220×340×321 mm
Material weighing plate stainless steel
Net weight approx. 3,6 kg
Construction type of the scale Single-range balance
€558.00 Regular price €620.00
Ethernet interface adapter KERN KUP-04
  • -10%
KERN & SOHN GmbH Ethernet interface adapter KERN KUP-04

Interface adapter with cable. Interface with Ethernet KUP, cable length 0,15 m

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces Ethernet, KUP
Cable length 0,15 m
Net weight approx. 0,30 kg
€99.00 Regular price €110.00
Precision balance EWJ 600-2M
  • -10%
KERN & SOHN GmbH Precision balance EWJ 600-2M

High-quality precision balance with automatic internal adjustment, verification optional

TECHNICAL DATA

Weighing capacity [Max] 600 g
Readability [d] 0,01 g
Verification scale interval [e] 0,1 g
Conformity assessment possible ex works
Minimum weight [Min] 0,5 g
Linearity ± 0,03 g
Reproducibility 0,01 g
Stabilization time 3 s
Interfaces RS-232 standard, USB-Device
Adjustment options Internal calibration (automatic)
Recommended adjusting weight 600 g (F1)
Ambient temperature 15 °C – 30 °C
Dimensions weighing surface (Ø) 120 mm
Material draught shield plastic, glass
Material housing plastic
Dimension housing (W×D×H) 220×340×90 mm
Material weighing plate stainless steel
Net weight approx. 3,2 kg
Construction type of the scale Single-range balance
€450.00 Regular price €500.00
USB interface adapter KERN KUP-03
  • -10%
KERN & SOHN GmbH USB interface adapter KERN KUP-03

Interface adapter with cable. Interface with USB-Device KUP, cable length 1,5 m

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces USB-Device, KUP
Cable length 1,5 m
Net weight approx. 0,30 kg
€67.50 Regular price €75.00
Precision balance EWJ 6000-1M
  • -10%
KERN & SOHN GmbH Precision balance EWJ 6000-1M

High-quality precision balance with automatic internal adjustment, verification optional

TECHNICAL DATA

Weighing capacity [Max] 6000 g
Readability [d] 0,1 g
Verification scale interval [e] 1 g
Conformity assessment possible ex works
Minimum weight [Min] 5 g
Linearity ± 0,3 g
Reproducibility 0,1 g
Stabilization time 3 s
Interfaces RS-232 standard, USB-Device
Adjustment options Internal calibration (automatic)
Recommended adjusting weight 6 kg (F1)
Ambient temperature 15 °C – 30 °C
Dimensions weighing surface (W×D) 155×145 mm
Material housing plastic
Dimension housing (W×D×H) 215×340×105 mm
Material weighing plate stainless steel
Net weight approx. 3,4 kg
Construction type of the scale Single-range balance
€432.00 Regular price €480.00
RS-232 interface adapter KERN KUP-01
  • -10%
KERN & SOHN GmbH RS-232 interface adapter KERN KUP-01

Interface adapter with cable. Interface with RS-232 standard KUP, cable length 1,5 m

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces RS-232 standard, KUP
Cable length 1,5 m
Net weight approx. 0,30 kg
€54.00 Regular price €60.00
Precision balance EWJ 300-3
  • -10%
KERN & SOHN GmbH Precision balance EWJ 300-3

High-quality precision balance with automatic internal adjustment

TECHNICAL DATA

Weighing capacity [Max] 300 g
Readability [d] 0,001 g
Linearity ± 0,005 g
Reproducibility 0,002 g
Stabilization time 3 s
Interfaces RS-232 standard, USB-Device
Adjustment options Internal calibration (automatic)
Recommended adjusting weight 300 g (F1)
Ambient temperature 15 °C – 35 °C
Dimensions weighing surface (Ø) 80 mm
Material draught shield plastic, glass
Material housing plastic
Dimension housing (W×D×H) 220×340×90 mm
Material weighing plate stainless steel
Net weight approx. 2,6 kg
Construction type of the scale Single-range balance
€522.00 Regular price €580.00
Extension box KERN KUP-13
  • -10%
KERN & SOHN GmbH Extension box KERN KUP-13

Extension box KERN KUP-13 to connect to multiple devices

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces KUP
Cable length 0,15 m
Net weight approx. 0,30 kg
€65.70 Regular price €73.00
KERN & SOHN GmbH Precision balance KERN EWJ 3000-2

High-quality precision balance with automatic internal adjustment

TECHNICAL DATA

Weighing capacity [Max] 3000 g
Readability [d] 0,01 g
Linearity ± 0,05 g
Reproducibility 0,02 g
Stabilization time 3 s
Interfaces RS-232 standard, USB-Device
Adjustment options Internal calibration (automatic)
Ambient temperature 15 °C – 35 °C
Dimensions weighing surface (Ø) 135 mm
Material housing plastic
Dimension housing (W×D×H) 220×340×105 mm
Material weighing plate stainless steel
Net weight approx. 3,0 kg
Construction type of the scale Single-range balance
€550.00
Bluetooth interface adapter KERN KUP-06
  • -10%
KERN & SOHN GmbH Bluetooth interface adapter KERN KUP-06

Interface adapter with cable. Interface with Bluetooth BLE (v4.0) KUP, cable length 0,15 m

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces Bluetooth BLE (v4.0), KUP
Cable length 0,15 m
Net weight approx. 0,30 kg
€88.20 Regular price €98.00
WiFi interface adapter KERN KUP-05
  • -10%
KERN & SOHN GmbH WiFi interface adapter KERN KUP-05

WiFi data interface to transfer data from balances to PC or tablet

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces WiFi standard, KUP
Cable length 0,15 m
Net weight approx. 0,10 kg
€65.70 Regular price €73.00
Inverse microscope KERN OCM 161
  • -10%
KERN & SOHN GmbH Inverse microscope KERN OCM 165

The inverted biological laboratory microscope - with fluorescence

Trinocular Microscope: For the inspection with both eyes and the additional option for the connection of a camera Abbe Condenser: With high numerical aperture for the concentration and the focusing of light Halogen illumination: For pictures bright and rich in contrast Phase contrast unit: For a higher contrast Transmitting illumination: For transparent objects Mains part: mains part integrated in the balance. 230V/50Hz Standard type D, if requested also available in standard GB, AUS or USA. 3 years warranty

€8,262.00 Regular price €9,180.00
Analogue module interface adapter KERN KUP-08
  • -10%
KERN & SOHN GmbH Analogue module interface adapter KERN KUP-08

Interface adapter with cable. Interface with analogue (4 - 20 mA) KUP, cable length 0,15 m

TECHNICAL DATA

Product family KUP
Dimension (W×D×H) 10×10×10 mm
Interfaces analogue (4 - 20 mA), KUP
Cable length 0,15 m
Net weight approx. 0,30 kg
€153.00 Regular price €170.00
KERN & SOHN GmbH Polarising microscope KERN OPO 185

The flexible and powerful polarising microscope for all professional applications with reflected and transmitted light

€5,740.00
Analytical balance KERN ADB 100-4
  • -10%
KERN & SOHN GmbH Analytical balance KERN ADB 100-4

Optimised price performance ratio, ideal for laboratories, universities, schools

Adjusting program (CAL): For quick setting of the balance's accuracy. External adjusting weight required. Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: with weight, date and time. Only with KERN printers, see Accessories Piece counting: Reference quantities selectable. Display can be switched from piece to weight. Percentage determination: Displays the deviation from the reference weight (100%) in % instead of grams. Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model. Universal mains adapter: with universal input and optional input socket adapters for EU, GB Electromagnetic force compensation: A counterforce is created by means of a coil in a permanent magnet. This counterforce is the same as the load of the weight being measured on the scale and therefore maintains the balance. The measured value is calculated via the change in the coil current. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 120 g
Readability [d] 0,1 mg
Linearity ± 0,4 mg
Reproducibility 0,2 mg
Stabilization time 3 s
USP Minimum weight of sample (k = 2, U = 0.1%) 400 mg
Interfaces RS-232 standard
Adjustment options Adjusting with external weight
Recommended adjusting weight 220 g (E2)
Ambient temperature 10 °C – 30 °C
Dimensions weighing surface (Ø) 90 mm
Material draught shield glass
Material housing plastic
Dimension housing (W×D×H) 230×310×330 mm
Material weighing plate stainless steel
Net weight approx. 4,4 kg
Construction type of the scale Single-range balance
€693.00 Regular price €770.00
Analytical balance KERN ADJ 200-4
  • -10%
KERN & SOHN GmbH Analytical balance KERN ADJ 200-4

Optimised price performance ratio, ideal for laboratories, universities, schools

Automatic internal adjustment Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: with weight, date and time. Only with KERN printers, see Accessories Piece counting: Reference quantities selectable. Display can be switched from piece to weight. Percentage determination: Displays the deviation from the reference weight (100%) in % instead of grams. Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model. Universal mains adapter: with universal input and optional input socket adapters for EU, GB Electromagnetic force compensation: A counterforce is created by means of a coil in a permanent magnet. This counterforce is the same as the load of the weight being measured on the scale and therefore maintains the balance. The measured value is calculated via the change in the coil current. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 220 g
Readability [d] 0,1 mg
Linearity ± 0,4 mg
Reproducibility 0,2 mg
Stabilization time 3 s
USP Minimum weight of sample (k = 2, U = 0.1%) 400 mg
Interfaces RS-232 standard
Adjustment options Internal calibration (automatic)
Recommended adjusting weight 200 g (E2)
Ambient temperature 10 °C – 30 °C
Dimensions weighing surface (Ø) 90 mm
Material draught shield glass
Material housing plastic
Dimension housing (W×D×H) 230×310×330 mm
Material weighing plate stainless steel
Net weight approx. 5 kg
Construction type of the scale Single-range balance
€891.00 Regular price €990.00
Analytical balance KERN ADJ 100-4
  • -10%
KERN & SOHN GmbH Analytical balance KERN ADJ 100-4

Optimised price performance ratio, ideal for laboratories, universities, schools

Automatic internal adjustment Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: with weight, date and time. Only with KERN printers, see Accessories Piece counting: Reference quantities selectable. Display can be switched from piece to weight. Percentage determination: Displays the deviation from the reference weight (100%) in % instead of grams. Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model. Universal mains adapter: with universal input and optional input socket adapters for EU, GB Electromagnetic force compensation: A counterforce is created by means of a coil in a permanent magnet. This counterforce is the same as the load of the weight being measured on the scale and therefore maintains the balance. The measured value is calculated via the change in the coil current. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 120 g
Readability [d] 0,1 mg
Linearity ± 0,4 mg
Reproducibility 0,2 mg
Stabilization time 4 s
USP Minimum weight of sample (k = 2, U = 0.1%) 400 mg
Interfaces RS-232 standard
Adjustment options Internal calibration (automatic)
Recommended adjusting weight 120 g (E2)
Ambient temperature 10 °C – 30 °C
Dimensions weighing surface (Ø) 90 mm
Material draught shield glass
Material housing plastic
Dimension housing (W×D×H) 230×310×330 mm
Material weighing plate stainless steel
Net weight approx. 5 kg
Construction type of the scale Single-range balance
€792.00 Regular price €880.00
KERN DAB 200-2 Moisture analyser 0,01 g
  • -10%
KERN & SOHN GmbH KERN DAB 200-2 Moisture analyser 0,01 g

Moisture analyser with user-friendly graphics display and 15 memories for drying programs

Adjusting program (CAL): For quick setting of the balance's accuracy. External adjusting weight required. Memory: Balance contains memories, e.g. for  tare weights, weighing data, item data,  PLU etc. Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: with weight, date and time. Only with KERN printers, see Accessories Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model. Mains part: mains part integrated in the balance. 230V/50Hz Standard type D, if requested also available in standard GB, AUS or USA. Strain gauge: An electrical resistor strip that is glued to an elastic deforming body made of aluminium. As the strain gauge is mechanically deformed its resistance value changes, allowing the measured value to be calculated. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 200 g
Readability [d] 0,01 g
Weighing system Strain gauge
Temperature [Min] (°C) 40 °C
Temperature [Max] (°C) 199 °C
Stabilization time 3 s
Units g, % Humidity, % Dry mass
Reproducibility 0,01 g
Linearity ± 0,03 g
Readability moisture [d] (%) 0,05%
Drying modes Standard drying, Rapid drying, Gentle drying
Switch-off criteria time controlled, automatic, manual
Input voltage device / power [Max] 230 V AC, 50 Hz
Product group Moisture analyser
€1,080.00 Regular price €1,200.00
KERN & SOHN GmbH KERN DBS 60-3 Moisture analyser

Adjusting program (CAL): For quick setting of the balance's accuracy. External adjusting weight required. Memory: Balance contains memories, e.g. for  tare weights, weighing data, item data,  PLU etc. Data interface RS-232: To connect the balance to a printer, PC or network GLP/ISO log: the balance displays the weight, date and time, regardless of printer connected Weighing units: Can be switched to e.g. nonmetric units at the touch of a key. See balance model. Mains part: mains part integrated in the balance. 230V/50Hz Standard type D, if requested also available in standard GB, AUS or USA. Weighing principle: Electromagnetic force compensation: Coil inside a permanent magnet. For the most accurate weighings

TECHNICAL DATA

Weighing capacity [Max] 60 g
Readability [d] 0,001 g
Weighing system Single-Cell
Temperature [Min] (°C) 50 °C
Temperature [Max] (°C) 200 °C
Stabilization time 3 s
Units g, % Humidity, % Dry mass, % ATRO
Reproducibility 0,001 g
Linearity ± 0,003 g
Readability moisture [d] (%) 0,01%
Drying modes Standard drying, Rapid drying, Gentle drying, Drying in levels
Switch-off criteria time controlled, automatic, manual
Product group Moisture analyser
€1,650.00