AC/DC test technology, electronic loads and turnkey test systems for power electronics and electromobility
Caltest Instruments GmbH
Nationwide in Germany · 4 locationsNew on Amplifa
About Caltest Instruments
Caltest Instruments GmbH is an owner-managed company founded in 2013 with over 30 employees that offers test technology for development, validation and quality assurance in power electronics. The portfolio includes programmable AC/DC sources, electronic loads, grid simulators, ripple generators, battery testers, safety testers as well as fully integrated AC/DC power test systems with output power of more than 1 MW. In addition to product consulting for leading manufacturers such as Pacific Power Source, EA Elektro-Automatik, Gustav Klein, Zenone Elettronica and IMP Elektronik, the company realizes turnkey test systems from planning through hardware and software integration to on-site commissioning. In addition, Caltest offers a certified calibration laboratory, service and repairs as well as flexible rental solutions for test equipment. Key industries include E-Mobility and Automotive, Aerospace/Avionics, EMC conformity testing, grid simulation as well as battery and energy storage technology. The company is represented throughout Germany at four locations and serves customers from industry, research and development.
- Site
- Nationwide in Germany
- Processes
- AC/DC sources & electronic loads for test technology (development, validation, quality assurance), Grid simulation (regenerative grid simulators with load function), EMC conformity testing (harmonics & flicker, voltage dips, grid disturbances,, Safety testing with high-performance safety testers (GPT-9800 series, 200 VA AC test power), Ripple generator testing (HV bus tests on batteries, inverters, e-vehicle components; LV123,, Battery testing / battery simulation (bidirectional 2-channel DC source/sink, switchable, High-current testing (AC/DC high-current source for testing switches, fuses and, Avionics testing according to RTCA/DO-160 (avionics & onboard electronics, AC and DC on-board power
- Materials
- Power electronics (on-board power supplies, charging systems, converters), Batteries & energy storage systems, AC/DC sources & electronic loads, Regenerative grid simulators, Battery testers & simulators, EMC & safety test systems
- Certificates
- Certified calibration laboratory, System construction according to EN60204-1
- Founded
- 2013
- Employees
- 30+
- Industries
- E-Mobility & Automotive, Aerospace / Avionics, EMC conformity testing, Grid simulation / Energy systems & PV, Battery & energy storage technology, Defense
- 01
Technical consulting
- 02
Product selection
- 03
System integration & configuration
- 04
On-site commissioning
- 05
Service, calibration & support
- 06
Rental solutions
Products & Systems
AC/DC sources & electronic loads
Programmable sources and loads for power electronics test tasks from development to series quality assurance.
Regenerative grid simulators
Grid simulators with load function for inverter testing, grid disturbances and anti-islanding tests on PV and energy systems.
Battery testers & simulators
Bidirectional DC sources/sinks for battery testing and battery simulation up to 880 kW.
EMC & safety test systems
Safety testers and EMC measurement technology for conformity testing in accordance with IEC 61000.
Locations
Nationwide in Germany
DESales, system integration, calibration & service (4 locations)
- Materials
- AC/DC sources, electronic loads, grid simulators, battery testers
- IPR power block racks up to 1008 kW
- EA-ELR 21000-80 regenerative DC load
- Gustav Klein I-TS-3872
- Zenone GIS2k high-current source
- IMP High Current Ripple Generator
- Goodwill GPT-9800 safety tester
Selected Products & Systems
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| AC/DC sources & electronic loads for test technology (development, validation, quality assurance)Testing | – | – | – | – | Power electronics, On-board power supplies, Charging systems |
| Grid simulation (regenerative grid simulators with load function)Testing | – | – | – | – | – |
| EMC conformity testing (harmonics & flicker, voltage dips, grid disturbances,Testing | – | – | – | – | – |
| Safety testing with high-performance safety testers (GPT-9800 series, 200 VA AC test power)Testing | – | – | – | – | – |
| Ripple generator testing (HV bus tests on batteries, inverters, e-vehicle components; LV123,Testing | – | – | – | – | Batteries, Inverters, E-vehicle components |
| Battery testing / battery simulation (bidirectional 2-channel DC source/sink, switchableTesting | – | – | – | – | – |
| High-current testing (AC/DC high-current source for testing switches, fuses andTesting | – | – | – | – | Switches, Fuses, Transformers |
| Avionics testing according to RTCA/DO-160 (avionics & onboard electronics, AC and DC on-board powerTesting | – | – | – | – | – |
| Inverter testing & anti-islanding tests (PV & energy systems)Testing | – | – | – | – | – |
| System integration of turnkey test systems (planning, hardware/software integration,Engineering | – | – | – | – | – |
| Service, repairs & calibration (certified calibration laboratory)Testing | – | – | – | – | – |
| Burn-in testing (ADF series for burn-in applications with programmability and stability)Testing | – | – | – | – | – |
| Qualification and development testing for avionics and defense (AFX series programmableTesting | – | – | – | – | – |
11 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Regenerative high-speed DC load | EA Elektro-Automatik EA-ELR 21000-80 | – | Power up to 30 kW, DC voltage 0–1,000 V, DC current 0–80 A, 125% overpower for 500 ms, EtherCAT up | – | – |
| AC/DC high-current source | Zenone Elettronica GIS2k series | – | Output current up to 5,000 A, power 500 VA to 200 kVA, DC as well as 10–800 Hz (internal), external | – | – |
| High Current Ripple Generator | IMP Elektronik System 1200App | – | Ripple current 120/200 App per generator, parallel up to 1,200 App, DC bus 0–1,200 V, 300 Hz–250 | – | – |
| Bidirectional 2-channel DC source/sink (battery tester/simulator) | Gustav Klein I-TS-3872 / I-TS-3872-SiC | – | Power up to 880 kW (SiC up to 750 kW), DC voltage up to 1,500 V in series (SiC up to 1,200 | – | – |
| High-performance safety tester | Goodwill Instruments GPT-9800 series | – | 200 VA AC test power | – | – |
| Integrated AC/DC power test systems (power block racks) | Pacific Power Source IPR series | – | up to 1008 kW output power (over 1 MW achievable); racks 15U–37U, 600 x 1000 mm, 4.5–144 kVA | – | – |
| Programmable AC/DC sources (rack integration) | Pacific Power Source AFX series | – | – | – | – |
| Burn-in power supplies (rack integration) | Pacific Power Source ADF series | – | – | – | – |
| Regenerative grid simulators with load function | Pacific Power Source RGS series | – | – | – | – |
| Regenerative electronic loads (AC & DC) | Pacific Power Source RLS series | – | – | – | – |
| 4-quadrant AC/DC sources (regenerative) | Pacific Power Source AGX series | – | – | – | – |
Additional services
Quality & Calibration
Caltest operates a certified calibration laboratory and offers service, repairs as well as on-site commissioning and support. Integrated systems are built and tested according to EN60204-1.
| Evidence | Nationwide in Germany |
|---|---|
| Certified calibration laboratory | |
| System construction according to EN60204-1 |
History
- 2013
Founding of Caltest Instruments GmbH; since then supporting companies from industry, research and development with test solutions
- 2026
Expansion of the IPR series with power block racks for fully integrated systems up to 1008 kW; exhibition at electronica 2026 in Munich (booth A4.349)