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  • Master Catalogue 2025

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KRÜSS digital Abbe refractometer with circulation thermostat
  • -5%
  • New
KRÜSS digital Abbe...
€6,046.75 Regular price €6,365.00
Abbe refractometer with circulation thermostat KRÜSS
  • -5%
  • New
Abbe refractometer...
€982.30 Regular price €1,034.00
Circulation thermostat KRÜSS PT31
  • -5%
  • New
Circulation thermostat...
€1,424.05 Regular price €1,499.00
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USB microscope 2 MP KERN ODC 895
  • -10%

USB microscope 2 MP KERN...

€198.00 Regular price €220.00
Approved baby weighing scale ADE M118000

Approved baby weighing...

€495.00
Circulating thermostat KRÜSS PT80
  • Out-of-Stock

Circulating thermostat...

€1,890.00
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Abbe refractometer KRÜSS AR4
  • -5%
KRÜSS Abbe refractometer KRÜSS AR4

The KRÜSS AR4 is a classic Abbe refractometer. The scales can be set manually using the drive knob and the refractive index and Brix values are read off using an eyepiece. The temperature is measured with the integrated digital thermometer and displayed on the LCD. The AR4 refractometer can be connected to a circulation thermostat for temperature control. This device can be used in a wide range of applications: for identity checking, purity control and concentration determination of raw materials, semi-finished products and end products or for determining the sugar concentration as well as for incoming and outgoing goods inspection.

  • Measurement of liquid and viscous samples, regardless of their viscosity
  • Measurement of films possible and of solid samples that have at least one smooth side
  • Wide measurement range from nD 1.3000-1.7200 and 0-95 %Brix
  • Reading the measured values via an eyepiece
  • Integrated thermometer
  • Hose connections for temperature control with a circulation thermostat
  • Robust housing and easy handling
  • Temperature display on LED display
€982.30 Regular price €1,034.00
Abbe refractometer with circulation thermostat KRÜSS
  • -5%
  • New
KRÜSS Abbe refractometer with circulation thermostat KRÜSS

Abbe refractometer KRÜSS AR4

  • Measurement of liquid and viscous samples, regardless of their viscosity
  • Measurement of films possible and of solid samples that have at least one smooth side
  • Wide measurement range from nD 1.3000-1.7200 and 0-95 %Brix
  • Reading the measured values via an eyepiece
  • Integrated thermometer
  • Hose connections for temperature control with a circulation thermostat
  • Robust housing and easy handling
  • Temperature display on LCD display

Circulation thermostat KRÜSS PT31

  • Temperature control using Peltier technology
  • Temperature range from 8°C to 35 °C
  • Temperature accuracy of ±0.2 °C
  • Space-saving, sturdy design
  • Suitable for operation with non-flammable liquids (water or water/glycol mixture)
  • Bright, easy-to-read LCD matrix display
  • Sophisticated, easily accessible operating elements
  • Simple and plainly structured functions
€982.30 Regular price €1,034.00
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
Analogue refractometer KERN ORA 1RE
  • -10%
KERN & SOHN GmbH Analogue refractometer KERN ORA 1RE Refractive index

Area of application: Expert applications

The following models have a particularly large measuring range for the refraction index and large divided scales for measuring Brix values. 

Main areas of application: 

Universal field of application, primarily for applications which require an extra large measuring range

Scales
Measuring range
Division
Refractive index
1,333 nD - 1,405 nD
1,405 nD - 1,468 nD
1,468 nD - 1,517 nD
0,005 nD
0,005 nD
0,005 nD

€324.00 Regular price €360.00
Analogue handheld refractometer KERN ORA 90BE Brix
  • -10%
KERN & SOHN GmbH Analogue refractometer KERN ORA 90BE Brix

Area of application: Expert applications
The following models have a particularly large measuring range for the refraction index and large divided scales for measuring Brix values. 

Main areas of application: 
Universal field of application, primarily for applications which require an extra large measuring range
Scales
Measuring range
Division
Brix
0% - 42 %
42 % - 71 %
71 % - 90 %
0,2 %
0,2 %
0,2 %
€324.00 Regular price €360.00
Analytical balance KERN ABT 100-5NM approved
  • -10%
KERN & SOHN GmbH Analytical balance KERN ABT 100-5NM

The premium model with single-cell weighing system

Internal adjusting (CAL): Quick setting of the balance's accuracy with internal adjusting weight (motordriven). 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 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. Suspended weighing: load support with hook on the underside of the balance. 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, USASingle cell technology: Advanced version of the classic electromagnetic force compensation principle. The load cells are milled from a single aluminium block achieving high mechanical strength, fast response characteristics and greater measurement stability, e.g. temperature behaviour and high reproducibility. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 101 g
Readability [d] 0,01 mg
Verification scale interval [e] 1 mg
Conformity assessment possible ex works
Minimum weight [Min] 1 mg
Linearity ± 0,15 mg
Reproducibility 0,05 mg
Stabilization time 10 s
USP Minimum weight of sample (k = 2, U = 0.1%) 100 mg
Interfaces RS-232 standard
Adjustment options Adjusting with external weight, Internal calibration (automatic), Adjusting with internal weight (manual)
Ambient temperature 10 °C – 30 °C
Dimensions weighing surface (Ø) 80 mm
Material draught shield glass
Material housing metal
Dimension housing (W×D×H) 217×356×338 mm
Material weighing plate stainless steel
Net weight approx. 8 kg
Construction type of the scale Single-range balance
€2,250.00 Regular price €2,500.00
Analytical balance KERN ABT 320-4NM
  • -10%
  • Out-of-Stock
KERN & SOHN GmbH Analytical balance KERN ABT 320-4NM

Internal adjusting (CAL): Quick setting of the balance's accuracy with internal adjusting weight (motordriven). 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 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. Suspended weighing: load support with hook on the underside of the balance. 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, USA Single cell technology: Advanced version of the classic electromagnetic force compensation principle. The load cells are milled from a single aluminium block achieving high mechanical strength, fast response characteristics and greater measurement stability, e.g. temperature behaviour and high reproducibility. 3 years warranty

TECHNICAL DATA

Weighing capacity [Max] 320 g
Readability [d] 0,1 mg
Verification scale interval [e] 1 mg
Conformity assessment possible ex works
Minimum weight [Min] 10 mg
Linearity ± 0,2 mg
Reproducibility 0,1 mg
Stabilization time 4 s
USP Minimum weight of sample (k = 2, U = 0.1%) 200 mg
Interfaces RS-232 standard
Adjustment options Adjusting with external weight, Internal calibration (automatic), Adjusting with internal weight (manual)
Ambient temperature 10 °C – 30 °C
Dimensions weighing surface (Ø) 80 mm
Material draught shield glass
Material housing metal
Dimension housing (W×D×H) 217×345×330 mm
Material weighing plate stainless steel
Net weight approx. 8 kg
Construction type of the scale Single-range balance
€2,340.00 Regular price €2,600.00
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 ADB 200-4
  • -10%
KERN & SOHN GmbH Analytical balance KERN ADB 200-4

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] 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 Adjusting with external weight
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. 4,4 kg
Construction type of the scale Single-range balance
€765.00 Regular price €850.00
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
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
Animal scale KERN EOS 150
  • -10%
KERN & SOHN GmbH Animal scale KERN EOS 150K50XL

veterinary platform scale with extra large stainless steel weighing plate

Technical Data

Weighing capacity [Max] 150 kg
Readability [d] 0,05 kg
Units kg, lb, PCS
Dimensions weighing platform (W×D×H) 950×500×58 mm
Dimensions weighing surface (W×D) 950×500 mm
Reproducibility 0,05 kg
Linearity ± 0,1 kg
Ambient temperature 5 °C – 35 °C
Display type LCD
Display digit height 25 mm
Material weighing plate stainless steel
Material platform metal, lacquered, with black mat
Display device cable length 2,7 m
Material housing plastic
Net weight approx. 19 kg
€423.00 Regular price €470.00
Animal scale KERN EOS 300K100XL
  • -10%
KERN & SOHN GmbH Animal scale KERN EOS 300K100XL

veterinary platform scale with extra large stainless steel weighing plate

Technical Data

Weighing capacity [Max] 300 kg
Readability [d] 0,1 kg
Units kg, lb, PCS
Dimensions weighing platform (W×D×H) 950×500×58 mm
Dimensions weighing surface (W×D) 950×500 mm
Reproducibility 0,1 kg
Linearity ± 0,2 kg
Ambient temperature 5 °C – 35 °C
Display type LCD
Display digit height 25 mm
Material weighing plate stainless steel
Material platform metal, lacquered, with black mat
Display device cable length 2,7 m
Material housing plastic
Net weight approx. 19 kg
€423.00 Regular price €470.00
Baby measuring station KERN MBA medical approved
  • -10%
KERN & SOHN GmbH Baby measuring station KERN MBA medical approved

Baby measuring station with special Safe-Guard tray and approval for professional mobile or stationary medical use in medical diagnostics, verification optional

Technical Data KERN MBA

Weighing capacity [Max] 15 kg
Readability [d] 5 g
Units kg
Interfaces WiFi (optional, factory)
Supplied power supply Battery
Battery operating time 20 h
Net weight 4,6 kg
Conformity assessment possible ex works
Approved as a medical device
€594.00 Regular price €660.00
Baby scale KERN MBA for medical use
  • -10%
KERN & SOHN GmbH Baby scale KERN MBA for medical use

Baby scale with EC type approval and approval for medical use for professional mobile or stationary use in medical diagnostics

Adjusting program (CAL): For quick setting of the balance's accuracy. External adjusting weight required.  Battery operation: The battery type is specified for each device. 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  Verification possible. The time required for verification is specified in the pictogram.

€486.00 Regular price €540.00
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
Chair scale KERN MCB medical approval
  • -10%
KERN & SOHN GmbH Chair scale KERN MCB medical approval

Mobile chair scale with four wheels as well as EC type approval and approval for medical use

Data interface RS-232: To connect the balance to a printer, PC or network  Battery operation: The battery type is specified for each device. Mains adapter: 230V/50Hz in standard version for Germany. On request GB or USA version. 3 years warranty Verification possible. The time required for verification is specified in the pictogram.

€1,485.00 Regular price €1,650.00
Chair scale KERN MCC Approved
  • -10%
KERN & SOHN GmbH Chair scale KERN MCC medical approved

Ergonomically optimised chair scale with EC type approval and approval for medical use

 Rechargeable battery pack: rechargeable set Mains adapter: 230V/50Hz in standard version for Germany. On request GB or USA version. 3 years warranty Verification possible. The time required for verification is specified in the pictogram.

€1,215.00 Regular price €1,350.00
Circulation thermostat KRÜSS PT31
  • -5%
  • New
KRÜSS Circulation thermostat KRÜSS PT31

KRÜSS PT31 circulation thermostat is equipped with highperformance functions. The 1.5 kg lightweight device is ideally suited for applications requiring a temperature range at a constant level. The proven Peltier technology offers process-reliable temperature control in the range from 8 °C to 35 °C. The accuracy of temperature control is ±0.2 °C.

The robust locking mechanism of the PT31 provides a sturdy connection and ensures constant temperature Control of the medium. The compact and sturdy design does not require much space and can be placed anywhere in the laboratory.

YOUR BENEFITS

  • Temperature control using Peltier technology
  • Temperature range from 8°C to 35 °C
  • Temperature accuracy of ±0.2 °C
  • Space-saving, sturdy design
  • Suitable for operation with non-flammable liquids (water or water/glycol mixture)
  • Bright, easy-to-read LCD matrix display
  • Sophisticated, easily accessible operating elements
  • Simple and plainly structured functions
€1,424.05 Regular price €1,499.00
Compound microscope KERN OBE 111
  • -10%
KERN & SOHN GmbH Compound microscope KERN OBE 111 Monocular

Technical data

  • Eyepieces: WF 10x18 mm
  • Objectives: 4x / 10x / 40x / 100x
  • Quadplex nosepiece
  • Tube 360° rotatable / 30° inclined
  • Overall dimensions WxDxH 324x191x348 mm
  • Net weight approx. 5,5 kg
€450.00 Regular price €500.00