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  • Precision balances

    Precision balances in high quality

    offer you all the tools you would need for effective and accurate work in your laboratory environment. All important laboratory functions such as a recipe weighing function or data interfaces are on board at all times. But above all, the high-quality measuring principles of these balances such as force compensation or tuning fork measuring principle, allow them to be used in dosing procedures with very small weight changes and rapid display. In addition these balances are often fitted with automatic internal adjustment, which permits calibrated operation and means the balance can be used in any location.

    Standard and basic precision balances

    are used in laboratory applications mostly as single-user balances for sample preparation, etc. They are fitted with all useful laboratory functions which will support the user in a helpful way. With their strain gauge measuring principle, they are used anywhere where individual weighings are carried out, such as, for example, checkweighing. These devices are often connected to printers or local Pcs using the standard, integrated RS-232 data interface.

    Precision balances for education

    are entry-level devices in the field of laboratory balances, and they cover basic applications. They feature simple operation and the very best price/performance ratio. In addition they usually can be stacked and can also be operated by battery, as an alternative to mains power, which means that they have the flexibility to be used in different locations.

  • Analytical balances

    Analytical Balances Premium class

    are right at the top of the precision balance segment. The numerous equipment features of the standard balances are complemented by high-quality materials with robust, sturdy construction, high-quality, high-performance weighing systems, optimised operating sequences, speed benefits and in some cases, the most modern touchscreen technology. With its touchscreen technology a premium laboratory balance will support your users in their typical procedures. In this way these scales can be operated more efficiently and quickly than devices from other quality classes. In particular these balances are used in demanding laboratory applications and anywhere where the environmental conditions are not ideal because of vibrations or other interference, but where, naturally, the balance is expected to provide accurate weighing results. Another field of application for these balances is the pharmaceutical industry, which is subject to particularly demanding requirements and authorities such as, for example, the FDA (Food and Drug Administration).

  • Moisture analysers

    Feuchtebestimmer

    Moisture Analyzers – Precise Moisture Measurement for Laboratory & Industry

    Moisture analyzers are professional measuring instruments for the accurate determination of moisture content and dry matter in a wide range of materials. They are used wherever precise moisture measurement, consistent product quality, and reliable process control are essential – in laboratories, industrial environments, production, and quality control.

    Moisture determination is typically performed using the thermogravimetric measurement principle. During analysis, the sample is dried by an integrated heating system such as halogen or infrared, while the weight loss is continuously recorded. Based on this difference, the moisture analyzer calculates the moisture or dry content quickly, reliably, and reproducibly.

    Moisture analyzers for versatile applications

    Modern moisture analyzers are suitable for a wide range of samples, including:

    Powders, granules, and bulk materials

    Pastes, gels, and solids

    Food, feed, and agricultural products

    Plastics, construction materials, and chemical products

    Advantages of modern moisture analyzers

    Fast moisture measurement within minutes

    High accuracy and repeatability

    Programmable drying profiles for different materials

    Intuitive and user-friendly operation

    Compact design for laboratory and production use

    Ideal for incoming goods inspection, process monitoring, and final quality control

    Our range includes high-quality moisture analyzers for laboratory and industrial applications, designed to meet the highest standards of accuracy, reliability, and ease of use. With the right moisture analyzer, you can always rely on precise and traceable moisture analysis results.

  • Microscopes

    Microscopes for laboratory, industry and food

    For 175 years, KERN & SOHN has been synonymous with high precision weighing and measuring technology. This claim is the driving force for the development of our microscope and refractometer ranges.

    Thanks to consistent customer focus paired with smart ideas and the latest available technology we are proud to be suppliers of high-quality, durable top microscopes and refractometers, which help you to be as efficient as possible in your daily work. 

    When developing our microscopes we have concentrated on the very best optical quality and have used only high-quality glass and the latest technologies to achieve this. The high-quality Philips halogen and modern LED illumination produce razor-sharp images with high contrast and which will impress you with their brilliant true-colour display – you must have noticed this yourself.

    Your advantages:

    all mechanical parts have been designed for a long service life

    special attention has been given to the ergonomy of our microscopes,  as this allows the user to work for several hours in a comfortable position which does not cause fatigue

    our microscopes are fully-equipped and can be used immediately

    Highlight: die KERN camera software – you will be amazed at how user-friendly and intuitive it is, a high-quality tablet camera as well as a comprehensive range of calibration services for refractometers

    and much more…

  • Ioniser

    Ionisers to neutralise electrostatic charge in laboratory

    Weighing of non-conductive materials, work with powdery samples, use of plastic or porcelain tare vessels and low air humidity may cause weighing errors because of static electricity.

    The weighing errors arise through the electrostatic forces that act between the weighing sample and the surroundings. These electrostatic charges can be measured by micro, semi-micro and analytical balances and lead to weighing errors.

    The most effective method to neutralize static charges is ionization. Ionizing units produce both positive and negative ions that are attracted by the unbalanced material, resulting in neutralization.

    All you need to do is direct the air stream of the ionizer on all areas, which may be charged by the static electricity and in a couple of seconds static charges will be neutralized.

    Use of the ionizer will ensure accurate results and fast response time of the balance.

  • Accessories

    Precision balance accessories

  • Refractometer

    Refractometers from A.KRÜSS measure the refractive index of liquids, pastes and solids with high precision. In close cooperation with renowned partners from industry and research, we have developed refractometers that can be easily integrated into existing laboratory workflows.

Active filters

KERN copy of KERN ORM 1CO Refractometer coffee

Model
Scales
Measuring
range
Accuracy
Division
ORM 2CO
Refractive index
Brix
Coffee TDS 2
1,3330 nD - 1,4200 nD
0,0 % - 30,0 %
0,0 - 25,0
0,0003 nD
0,2 %
0,2
0,0001 nD
0,01 %
0,01

The following models are particularly suitable for measuring the dissolved solids (TDS) in coffee to determine or compare the strength of a cup of coffee. For roasting plants, the TDS% value is used to determine the solubility level of a roast and to control the quality. Alternatively the display can be switched to show Brix or the refractive index. Alternatively the display can be switched to show Brix or the refractive index.

Main areas of application:

  • Coffee industry
  • Coffee roasting plants
  • Coffee competitions
€333.00 Regular price €370.00
KERN KERN EG 4200-2NM Precision balance 0,01g

Precision balance with robust tuning fork measuring system

Internal adjustment in the case of a change in temperature and time-controlled at defined intervals, guarantees high degree of accuracy and makes the balance independent of its location of use

Stable temperature behaviour

Short stabilisation time

Shock proof construction

High corner load performance

Capacity display: A bargraph display lights up to show how much of the weighing range is still available

Totalising of pieces when counting

Protective working cover included with delivery

€1,098.00 Regular price €1,220.00
KRÜSS Refractometer calibration liquid with certificate nD 1.3400

for refractive index nD 1.3400 (25°C) - 30 ml

  • nD 1.3400 ±0.0002 at 25°C, temperature coefficient -0.000338/+°C, 5%Brix
  • Traceable to an internationally recognized standard according to N.I.S.T.
  • Calibration solution 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 per 100 ml = 816,67 €

€245.00
KERN KERN EW 6200-2NM Precision balance 0,01g

Precision balance with robust tuning fork measuring system

Technical Data

Weighing capacity [Max]6200 g
Readability [d]0,01 g
Unitsg, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, lb, oz, to, mom
Linearity± 0,03 g
Reproducibility0,01 g
Stabilization time3 s
Tolerance weighing
InterfacesRS-232 standard
Adjustment optionsAdjusting with external weight
Recommended adjusting weight5 kg (E2)
Ambient temperature10 °C – 30 °C
Dimensions weighing surface (W×D)180×160 mm
Material housingplastic
Dimension housing (W×D×H)180×235×75 mm
Material weighing platestainless steel
Net weight approx.3,0 kg
€1,008.00 Regular price €1,120.00
KRÜSS Digital handheld refractometer KRÜSS DR101-60

KRÜSS DR101-60 is a compact, mobile and splash-proof digital handheld refractometer. Thanks to the automatic temperature compensation for the BRIX scale, a reproducible measurement can be achieved even under changing ambient conditions. As a waterproof device, the DR101-60 meets the IP65 standard and can be cleaned under running water. The DR101-60 is used in the food and beverage industry, in pharmacies, laboratories and testing laboratories as well as in research and teaching.

  • Measurement range: nD 1.3330-1.4419 and 0-60%Brix
  • Mobile automatic measurement at the touch of a button
  • Reproducible measurement results that are not dependent on the user’s interpretation.
  • Automatic temperature compensation (BRIX scale)
  • Swift filling and cleaning
  • With high-quality, fully chrome-plated measurement tray
  • Robust housing and low device weight
€289.00
KERN KERN EW 4200-2NM Precision balance 0,01g

Precision balance with robust tuning fork measuring system

Technical Data

Weighing capacity [Max]4200 g
Readability [d]0,01 g
Unitsg, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, lb, oz, to, mom
Linearity± 0,02 g
Reproducibility0,01 g
Stabilization time2 s
Tolerance weighing
Tolerance weighing - type of signalvisual
InterfacesRS-232 standard
Adjustment optionsAdjusting with external weight
Recommended adjusting weight2 kg (E2); 2 kg (E2)
Ambient temperature10 °C – 30 °C
Dimensions weighing surface (W×D)180×160 mm
Material housingplastic
Dimension housing (W×D×H)180×235×75 mm
Material weighing platestainless steel
Net weight approx.3,0 kg
€927.00 Regular price €1,030.00
KERN KERN YKI-10 Converter RS-232/Ethernet

Converter for connecting scales, force measuring instruments, etc. with an RS-232 data interface to an IP-based Ethernet network

Allows direct integration of measuring devices into most company networks, with automatic configuration using DHCP or statistical IP allocation. The current measurement data can be accessed from the entire network at any time

The converter supports a wide range of configuration options via the web interface

Compatible with KERN BalanceConnection software

Suitable for wall mounting or free-standing

Included with delivery: RS-232/Ethernet converter with 1 × RS-232 port, mains adapter (EU)

€112.50 Regular price €125.00
KRÜSS Digital handheld refractometer KRÜSS DR201-95

KRÜSS DR201-95 is a compact, mobile and splash-proof digital handheld refractometer. It is used to measure the refractive index (nD) and the sugar content in % (%Brix) of liquid and viscous samples. Thanks to the automatic temperature compensation for the BRIX scale, a reproducible measurement can be achieved even under changing ambient conditions. The automatic temperature compensation for the BRIX scale supports the user when measuring sugary drinks and confectionery. The device is splash-proof and meets the IP64 standard. The DR201-95 is used in the food and beverage industry, in pharmacies, laboratories and testing laboratories as well as in research and teaching.

Basic functions

  • Measurement range: nD 1.3330-1.5318 and 0-95%Brix
  • Mobile automatic measurement at the touch of a button
  • High measurement accuracy: nD ±0.0003 and ±0.2 %Brix
  • Reproducible measurement results that are not dependent on the user’s interpretation.
  • Automatic temperature compensation (BRIX scale)
  • With high-quality, fully chrome-plated measurement tray
€415.00