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Battery
Batteries are key energy storage components that convert chemical energy into electrical energy. They consist of one or more electrochemical cells in which chemical reactions generate a usable electrical voltage. This proven technology enables reliable and efficient energy storage for both mobile and stationary applications. Rechargeable batteries, known as accumulators (rechargeable batteries), are now an essential part of modern energy supply. They are used in a wide range of areas, from consumer goods such as smartphones and laptops to electric mobility and medical technology, as well as for grid stabilization and temporary storage of electricity from renewable energies in stationary systems.
Used for mobile and stationary energy supply by chemical energy storage – flexible and on-demand.
Rechargeable batteries – indispensable in smartphones, electrical vehicles and powerful tools.
Different cell types, such as lithium-ion, nickel-metal hydride or lead-acid, are best suited for different applications and offer specific advantages.
An important component of modern electronic devices and complex energy systems.
Combine batteries with intelligent control and safety technology to create complete, safe units.
Provide effective peak load management, reliable backup power, and seamless integration with photovoltaic systems.
Used by utilities for grid stabilization and as an important energy buffer.
Important for decentralized energy supply and the success of the energy transition.
Monitor and control the precise charge, discharge, temperature and state of the battery for maximum control and transparency.
Actively protect against overcharging, deep discharging and overheating – for your safety and long battery life.
An intelligent BMS ensures optimal performance and maximum life from your battery investment.
Essential for today’s energy storage solutions and advanced electric vehicles.
Ensure safe and efficient charging of batteries and accumulators, adapted to the respective technology.
Use different charging strategies such as fast charging, balancing or trickle charging – the right method for every application.
Intelligent chargers adapt to cell chemistry and state of charge to protect the battery.
An important component of energy systems and high-performance charging stations in e-mobility.
Product Series for Testing Batteries
Fuel Cells
Fuel cells are technological systems that convert chemical energy – usually from hydrogen – directly into electrical energy: clean, highly efficient and quiet. Unlike combustion, the reaction between hydrogen and oxygen is controlled. The big advantage is that only pure water is produced as a by-product, making it an environmentally friendly key technology.
Fuel cells are used wherever emission-free and continuous power is needed: in vehicles (FCEV), stationary power systems or mobile devices with high energy requirements. They consist of several layers (anode, cathode, electrolyte) that are bundled to stacks to achieve the required power. A complete, high-performance fuel cell system is only possible in combination with system components such as air/hydrogen supply, cooling and control.
Modern measurement techniques such as electrochemical impedance spectroscopy (EIS) play a central role in the development and optimization of such systems. Equally important is electrolysis for the sustainable production of the required hydrogen, ideally as green hydrogen from renewable energy sources.
Uses hydrogen as an energy source and converts it directly into electricity and heat.
Quiet, highly efficient, with zero local emissions and high energy density.
Available in different types (PEMFC, SOFC, DMFC, etc.) – ideal for specific applications and temperature ranges.
Wide range of applications in vehicles, buses, trains, ships, buildings, industrial plants and off-grid systems.
Precise measurement technique for detailed analysis of electrochemical processes within the fuel cell or battery.
Used for state of health (SoH), aging monitoring and efficiency assessment – for optimized operation and maintenance.
Provides valuable insight into internal resistance, charge transport phenomena and membrane conditions.
Essential for research, development and quality assurance of fuel cells and batteries.
Process for producing hydrogen by splitting water using an electric current.
Ideal in combination with renewable energies for the production of green hydrogen – a key to decarbonization.
Common processes include PEM electrolysis, alkaline electrolysis (AEL) and high temperature electrolysis (SOEC).
Fundamental to the development of a hydrogen economy is the hydrogen cycle and sector coupling.
Product Series for Testing Fuel Cells
Electronic Components
Electronic components are the invisible heroes in every electrical and electronic circuit. They are the basic building blocks for control, power transmission, signal processing and protection within complex systems – from simple sensors to fully automated industrial systems. Quality and reliability are crucial.
Passive components include capacitors (energy storage), coils (inductors) and resistors that store, filter or regulate the flow of electrical signals. Rectifiers convert alternating current (AC) to direct current (DC). Fuses and other protective devices ensure that sensitive electronics are reliably protected from overcurrent and short circuits. Relays and switches are also essential – they are used to switch signals or loads and can be found in almost every application.
Sensors detect physical variables such as temperature, pressure or motion and convert them into electrical signals – essential for modern automation technology and Industry 4.0. Connectors provide stable connections and reliable interfaces, acting as contacts to safely transmit electrical signals and power.
Whether in control systems, power distribution, automotive or industrial automation, high-quality electronic components are in demand wherever precision, reliability and efficiency are paramount. They make complex electronic systems possible and ensure their function.
Product Series for Testing Electronic Components
Electronic Assemblies
Electronic assemblies are the functional heart of modern appliances, machines and vehicles. They consist of precisely interconnected components such as printed circuit boards (PCBs), semiconductors, connectors and housings – and perform key tasks in control, regulation, protection and power distribution. They are the intelligence and control center of many systems.
In power electronics, specific assemblies ensure the efficient switching, conversion and regulation of high currents and voltages – for example in drive converters, chargers or inverters. In safety-critical applications, fuse boxes and power distributors are used to reliably protect circuits and distribute power.
Control devices, on the other hand, perform complex communication and control tasks in industrial plants as well as in the automotive sector – whether in a vehicle control unit (ECU) or in an industrial programmable logic controller (PLC). The basis of almost every assembly is a printed circuit board (PCB), on which the components are mechanically mounted and electrically connected.
Thanks to their modular design, robust construction and intelligent circuit technology, electronic assemblies enable technical systems to function precisely, safely and energy-efficiently – making them indispensable in modern industry, automation and mobility.
Product series for testing electronic assemblies
Power Systems
Power systems are key infrastructures for the reliable supply and distribution of electrical energy. They connect energy sources (generators, storage systems) with consumers through various networks and components – from power generation and distribution to storage and consumption. Modern power systems are increasingly using digital technologies for intelligent control and optimization (smart grids). The low-voltage grid, which can supply households, businesses and mobile systems such as vehicles or ships, plays an important role. The integration of renewable energy, battery storage and smart grid technology is crucial for a sustainable and stable energy future.
- Reliably supply electrical energy to vehicles, ships and aircraft via an internal low-voltage grid.
- Consist of power sources (batteries, generators), cables, fuses and intelligent control units.
- Increasingly important in the age of electromobility and autonomous systems with growing energy requirements.
- Require intelligent power distribution, predictive load management and maximum reliability.
- An intelligent power grid that digitally networks and coordinates energy producers, storage systems, and consumers.
- Optimizes energy flows in real time, balancing fluctuations and relieving the low-voltage grid.
- Enables efficient integration of distributed solar PV, wind and battery storage into existing systems.
- Provides the foundation for energy transition and flexible, distributed supply through automated load sharing and energy recovery.
- Local, often self-sufficient, energy supply system that operates independently (island operation) or in conjunction with the higher-level grid.
- Ideal for remote regions, critical infrastructure, industrial facilities, neighbourhoods or temporary events.
- Typically uses an intelligent combination of renewable energy sources, battery storage and advanced control technology.
- Can disconnect from the main grid in an emergency and continue to supply critical consumers via the internal low-voltage grid.
Product Series for Testing Energy Supply Systems
Other Applications
In addition to key areas such as batteries, fuel cells and power systems, there are many other technologies and components that play an essential role in modern energy systems. These “other applications” include specialized equipment and essential tools that are necessary for the safe, efficient and flexible operation of electrical systems.
Precise instrumentation that can reliably monitor and analyze electrical quantities such as voltage, current, power or impedance is essential for diagnostics and optimization.
A wide variety of cables and wires are used for the stable connection and distribution of electrical energy – from simple control cables to specialized high-performance cables for industrial and low-voltage networks. Electrical welding equipment is also indispensable in the field of connection technology, enabling robust joining processes for metal connections in production, maintenance and assembly.
These components contribute significantly to the functionality, safety and advancement of modern energy and electrical systems – in industry, mobility, research and critical infrastructure.
Product Series for Testing Other Applications
Power Supplies
Power supplies are the backbone of any electrical infrastructure, from small appliances to complex industrial facilities. They ensure that electrical energy is always available in the right form (voltage, current type, frequency) and with high quality. Whether in continuous operation, mobile use or as backup in the event of a fault, reliable power supplies guarantee the stability and safety of your systems.
Important components in this area are emergency power units (generators), which automatically kick in in the event of a power failure, and voltage regulators, which compensate for fluctuations in the low-voltage grid and thus protect sensitive electronics. Modern power systems are flexibly scalable, energy-efficient and often digitally controllable and monitorable – ideal for demanding applications in industry, building automation, medical technology and the energy sector.
Convert electrical energy from the mains (or a battery) into a stable voltage and current suitable for use by devices.
Available as regulated, unregulated or high-efficiency linear or switching power supplies, depending on stability, efficiency and size requirements.
An important component in electronic equipment, industrial systems, servers, communications systems and LED lighting.
Modern power supplies often have important protection functions (overload, short circuit) and digital interfaces for monitoring.
Mechanically driven generators that produce electrical energy from motion (e.g. diesel, gas or petrol engines).
Used for mobile applications, large events, construction sites or as reliable emergency power generators.
Depending on the version, also suitable for continuous operation, e.g. in isolated systems or remote areas without grid connection.
Offer high performance, robust construction and are often equipped with Automatic Transfer Switching (ATS).
Used to critically bridge power outages or voltage fluctuations to protect sensitive systems and data.
Typically consists of batteries, charger and inverter – available as off-line, line-interactive or on-line UPS for different levels of protection.
Essential in data centers, hospitals, security systems, telecommunications or critical manufacturing facilities.
Protects data, processes and equipment from unexpected power interruptions and increases availability.
Product Series for Testing Power Supplies
Electrical Converters
Electrical converters are essential key components in modern power and drive technologies. They convert electrical quantities – such as voltage, current type (AC/DC) or frequency – to enable the reliable and efficient operation of a wide range of equipment, systems and infrastructure.
Whether converting DC voltage to other voltage ranges, AC to DC (or vice versa), or adjusting frequencies, electrical converters are the important interface between energy sources and consumers. They are particularly indispensable in electromobility, industrial automation, power supply systems and the integration of renewable energies. They ensure efficient energy flow, protect connected systems, and enable flexible grid and consumer architectures.
Efficiently convert direct current (DC) from one voltage level to another without the need for alternating current (AC).
Compact, efficient and widely used in mobile devices, vehicles (automotive electrical systems), industrial systems and solar applications.
Particularly important for multi-voltage architectures, such as 12 V / 48 V vehicle electrical systems or photovoltaic systems with battery storage.
Available as step-up (boost) for increasing voltage, step-down (buck) for decreasing voltage, or combined (buck-boost).
Convert direct current (DC) to alternating current (AC) – e.g. from batteries or PV modules for grid connection or AC consumers.
Generate grid-compliant (for feed-in) or application-specific AC power – often frequency and voltage controllable.
Central component in solar systems, battery storage systems, UPS systems and for powering electric vehicles.
Modern inverters offer intelligent control, high efficiency and communication interfaces.
Often combine several conversion processes: e.g. AC to DC (rectification) and then DC to AC (alternating current) with variable frequency and voltage.
Mainly used in drive control for precise speed control of electric motors (AC motors).
Enables stepless speed control and energy efficient operation of pumps, fans, conveyors and machinery.
Also known as frequency converters (FC), variable frequency drives (VFD) or power electronic systems.
Transformers use electromagnetic induction to convert alternating voltage to another level without changing the frequency or type of current (AC to AC).
Basic component for the distribution of electrical energy in the low-voltage and high-voltage networks (utilities).
Widely used in electronic power supplies, power distribution systems, industrial systems and charging infrastructure.
Available in various designs: toroidal, EI core, dry or oil, etc.
Product Series for Testing Electrical Converters
Photovoltaics
Photovoltaics (PV) is a key technology for sustainable energy production directly from sunlight. It enables the direct conversion of free solar energy into electrical energy – emission-free, noiseless and resource-saving. By using modern photovoltaic systems, households, businesses and utilities can meet some or all of their energy needs and reduce energy costs.
An efficient photovoltaic system typically consists of several PV modules, one or more inverters to convert the direct current into usable alternating current, and optional energy storage (batteries) to store excess energy for later use (e.g., at night). The combination of intelligent control, high efficiency and modular expandability makes photovoltaics a key pillar of decentralized energy supply and the global energy transition.
Convert sunlight directly into electrical energy (DC) using solar cells (typically silicon-based or thin-film technology).
Available as monocrystalline (highest efficiency), polycrystalline, or bifacial modules (also use backlighting) – depending on budget and available space.
Durable (often 25+ year warranty), low maintenance and weather resistant – ideal for roofs, facades and ground-mounted systems.
Higher yields thanks to performance-optimized cell interconnects (e.g. half-cells) and special anti-reflective coatings.
Convert the direct current (DC) generated by the PV modules into grid-compatible alternating current (AC).
The heart of any photovoltaic system – controlling the power supply, monitoring the system and ensuring safety.
Available as string inverters (for strings of modules), microinverters (per module) or hybrid inverters with direct storage connection.
Advanced inverters enable detailed monitoring, intelligent grid management and self-consumption optimization.
Store excess solar energy for later consumption, e.g. in the evening, at night or in bad weather.
Mostly designed as lithium-ion battery systems, with high cycle stability, high efficiency and compact design.
Significantly increase the proportion of self-consumption of solar power and increase independence (self-sufficiency) from the power grid.
Often intelligently combinable with wallboxes for e-mobility, heat pumps and smart home systems for maximum benefit.
Product Series for Testing Photovoltaics
Powertrain
The term powertrain describes the complete system for generating and transmitting mechanical drive energy in vehicles, machines and stationary systems. The powertrain includes not only the engine itself, but also all components necessary to transmit power to the wheels or moving parts (e.g. transmissions, shafts, differentials).
In electrified applications (e-vehicles, hybrid), the focus is increasingly shifting to electric drive systems – consisting of electric motor(s), power electronics (inverter), control unit and, in some cases, special transmissions. Traditional systems also include internal combustion engines, clutches, and manual or automatic transmissions. Efficient powertrain solutions are crucial for performance, energy consumption, range (in vehicles) and environmental compatibility – especially in the fields of electromobility, industrial automation and robotics.
Consists of an optimally matched combination of motor, controller, inverter and mechanical connection.
Can be electric, hydraulic, pneumatic or direct mechanical – depending on the application requirements.
Modern electric drive systems offer high energy efficiency, excellent controllability, high dynamics and often low maintenance.
Used in vehicles (automotive), machines, conveyors, robots and power generation systems (e.g. wind turbines).
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The heart of any power train – convert electrical, chemical or hydraulic energy into mechanical motion.
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Various types of electric motors: AC and DC motors, synchronous, asynchronous or permanent magnet synchronous (PMS) motors, reluctance motors, etc.
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Designed for rotary motion (rotation) or linear motion, depending on the task and design.
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In electrical applications, high torque density, high efficiency and compact design are often decisive criteria.