ZES ZIMMER Electronic Systems GmbH
ZES ZIMMER Electronic Systems GmbH, based in Oberursel, Germany, manufactures high-precision broadband single- and three-phase power analyzers in the LMG600 series for R&D, quality assurance, and compliance testing in EV, renewable energy, industrial automation, and calibration laboratories worldwide.
- Company typePrivate
- Founded1993
- HeadquartersOberursel, Germany
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What ZES ZIMMER Electronic Systems GmbH does
ZES ZIMMER Electronic Systems GmbH is a privately-held German manufacturer of high-precision power analyzers, headquartered in Oberursel near Frankfurt. For more than 30 years the company has focused exclusively on broadband single- and three-phase power measurement, with no diversification outside this niche. Its core product is the LMG600 series (LMG611, LMG641, LMG670/LMG671, including the LMG671-ATE configuration for automated test), differentiated by proprietary DualPath measurement architecture, the S3 channel optimized for DC, LMG Sample Vision signal-analysis software, an event-trigger option, and a bi-directional CAN interface. The company also distributes Danisense high-precision zero-flux current transducers (ranging from sub-600A up to and beyond 3000A), HST and PCT current sensors, LMG-control software, and compliance test systems with CE-conformity accessories.
The company operates a B2B hardware-led business with multiple recurring or attached revenue streams: accredited DAkkS calibration services (DIN EN ISO/IEC 17025, traceable to PTB and recognized under ILAC MRA), software licenses (LMG-CONTROL and LMG600 Control), application consulting billed by engineers' standard cost rates, and short-term equipment rentals credited toward purchase. Go-to-market combines direct enterprise sales from Oberursel with application-engineering support and a regional distributor network covering the USA (Testforce), Thailand (Electronics Solution), South Korea (BesTEQ), the UK (AR UK), Italy, and China. Customers operate in R&D and quality assurance for electric and electronics, test and calibration laboratories, universities and research institutions, and within EV testing, renewable energy, and industrial automation use cases.
Since 2025, ZES ZIMMER has operated as a wholly-owned subsidiary of Rohde & Schwarz following a strategic acquisition. The company continues to manufacture and sell under its existing brand, while participating in the PowerizeD European research consortium and supplying instruments into EV, renewable, and standards-compliance workflows. Headcount is reported in the 51-100 range, and revenue is not publicly disclosed.
ZES ZIMMER Electronic Systems GmbH firmographics
Firmographics- Name
- ZES ZIMMER Electronic Systems GmbH
- Legal name
- ZES ZIMMER Electronic Systems GmbH
- Website
- https://zes.com
- Company type
- Private
- Founded year
- 1993
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- ZES ZIMMER Electronic Systems GmbH, based in Oberursel, Germany, manufactures high-precision broadband single- and three-phase power analyzers in the LMG600 series for R&D, quality assurance, and compliance testing in EV, renewable energy, industrial automation, and calibration laboratories worldwide.
- Ownership category
- akta.pro rank
ZES ZIMMER Electronic Systems GmbH industry classification
Industry- Product category
- Precision Power Analyzers (Test and Measurement Instruments)
- NAICS
- Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Testing Laboratories and Services (54138), Other Measuring and Controlling Device Manufacturing (334519)
- SIC
- Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823), Services-Testing Laboratories (8734)
- akta.pro primary industry
- Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)
- akta.pro secondary industry
- Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL)
Keywords
Where ZES ZIMMER Electronic Systems GmbH is headquartered
LocationHeadquarters
- HQ city
- Oberursel
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
ZES ZIMMER Electronic Systems GmbH business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Supply Chain, Operations, Marketing or Sales, Infrastructure
Revenue model
- Precision Power Analyzers: Sale of high-precision power analyzers (LMG series) representing the core product line. Devices are sold directly and through distributors worldwide.
- Sensors and Current Transducers: Sale of HST, PCT and other current sensors including Danisense products for precision current measurement.
- Software Licenses: Sale of software including LMG-CONTROL and LMG600 Control for power analyzer operation and data analysis.
- Calibration Services: Accredited calibration services (DAkkS DIN EN ISO/IEC 17025) for power measurement devices, including both factory calibration and accredited calibration covering AC current, AC voltage, and electrical power.
- Application Consulting: Technical consulting services by development and application engineers to support customers in solving measurement tasks, billed according to standard cost rates.
- Equipment Rental: Short-term rental of measurement equipment for specific measurement tasks or to evaluate products before purchase. Rental payments can be credited toward purchase.
- Compliance Test Systems: Complete compliance test systems and accessories for CE conformity testing.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
ZES ZIMMER Electronic Systems GmbH product offering
Product offeringCore offering
ZES ZIMMER designs, develops, manufactures, and sells broadband single-/three-phase precision power analyzers under its LMG series (LMG671, LMG641, LMG611, LMG671-ATE), along with HST and PCT current sensors, Danisense-branded high-precision zero-flux current transducers, CE compliance test systems, and LMG-CONTROL/LMG600 Control software. The company also offers DAkkS-accredited calibration services and application-engineering consulting to support R&D, quality assurance, and standards-compliance testing for electric and electronics manufacturers, test laboratories, and universities.
Product overview
ZES ZIMMER Electronic Systems GmbH is a precision power measurement company offering the LMG series of high-precision power analyzers as its core product line. The portfolio includes LMG671, LMG641, LMG611, and LMG671-ATE models as current products, complemented by various current sensors (HST, PCT), Danisense-branded current transducers and monitoring products, compliance test systems with CE conformity accessories, LMG-CONTROL and LMG600 Control software applications, LMG accessories and measuring adaptors, and predecessor products. The company specializes in broadband single-/three-phase precision power analyzers for R&D, quality assurance, and compliance testing applications across electric vehicle testing, renewable energy, and industrial automation sectors.
Differentiator
Problem solved
Functional benefit
Brands
- LMG Series: High-precision power analyzer product line including LMG671, LMG641, LMG611, LMG671-ATE, and predecessor models.
Products and services
- LMG671 Precision Power Analyzer Flagship broadband single-/three-phase precision power analyzer with 10.1-inch touch display and USB 3.0, designed for R&D, quality assurance, and compliance testing in the electric and electronics industry.
- LMG641 Precision Power Analyzer
Quantifiable outcome
- Measurements traceable to national and international standards (PTB)
Companies that use ZES ZIMMER Electronic Systems GmbH
Customer profileNamed customers3 records
Segments6 records
Ideal customer profiles5 records
ZES ZIMMER Electronic Systems GmbH technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature7 records
ZES ZIMMER Electronic Systems GmbH partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered minor, regional and strategic.
- REGATRONminorJoint exhibition stand at EMV Exhibition 2025, demonstrating collaboration between power analyzer and power supply technologies for EMC testing applications.
- BesTEQ KorearegionalDistribution agreement for South Korea, expanding market presence in the Korean market.
- Electronics SolutionregionalDistribution partner for Thailand with certified technical product training conducted by ZES ZIMMER.
- TestforceregionalDistributor of ZES ZIMMER product line in USA, enabling market coverage in North America.
- DanisenseminorExclusive distribution of Danisense High Precision Zero Flux Current Sensors in Germany. Danisense products include residual current monitoring, current transducers (0A to 600A, 600A to 3000A, over 3000A), power supplies, and cables.
- AR UKregionalDistributor in United Kingdom presenting LMG640 at Advanced Engineering UK and Motiv8 Forums events.
- PowerizeD ConsortiumstrategicZES ZIMMER participates in the PowerizeD consortium, a European research initiative focused on power electronics. Company attended first project review meeting and is actively involved in consortium activities.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
ZES ZIMMER Electronic Systems GmbH competitors and assessment
Company assessmentDirect peers
- Yokogawa Electric: Yokogawa's WT series precision power analyzers are a direct competitor to ZES ZIMMER's LMG line, serving overlapping R&D, QA, and compliance customers in EV, renewable energy, and industrial automation with comparable broadband single/three-phase measurement capabilities.
- Hioki: Hioki offers the PW3198 and related power quality and power analyzers that compete head-to-head with LMG in precision power measurement, particularly in electrical equipment R&D and energy-efficiency applications across Asia and globally.
- Keysight Technologies: Keysight's PA2200 series power analyzers target the same precision power measurement use cases as ZES ZIMMER, with Keysight's broader T&M portfolio and global direct-sales force creating direct competitive overlap in EV, renewable, and electronics test markets.
- Newtons4th (N4L): N4L specializes in PPA-series precision power analyzers with comparable broadband accuracy claims, competing directly with LMG in laboratory and production test for power electronics, motors, and inverters.
Broad incumbents
- Rohde & Schwarz: Now the parent company of ZES ZIMMER, Rohde & Schwarz is a broad-line T&M giant whose oscilloscopes, power analyzers, and EMC test systems overlap with LMG applications. Strategic acquirer and broader portfolio competitor in the same customer accounts.
- Tektronix: Tektronix (part of Fortive) sells oscilloscopes and increasingly integrated power analysis solutions used in EV, renewable, and industrial power electronics R&D — a broader-portfolio alternative to standalone precision analyzers like LMG.
- Fluke (Fortive): Fluke's power quality analyzers and electrical test tools address adjacent applications in field power measurement and energy auditing, competing for some of the same EV-charging and industrial-automation customers as LMG.
Emerging players
- Chroma Systems Solutions: Chroma provides power electronics test instruments and regenerative AC/DC sources used in EV and renewable test, partially overlapping with LMG in inverter and converter test setups where customers can choose either vendor.
- Vitrek: Vitrek manufactures high-voltage power analyzers and meter calibrators (V7 series, 4700) that compete with LMG in precision AC power measurement and standards laboratories, particularly for higher-voltage applications.
Regional players
- AMETEK Programmable Power: AMETEK's California Instruments and Elgar brands offer power sources and analyzers used in compliance and avionics test, partially overlapping with LMG in standards-driven power measurement workflows.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
ZES ZIMMER Electronic Systems GmbH social profiles
Digital presenceZES ZIMMER Electronic Systems GmbH compliance and trust
Trust signalCompliance1 record
ZES ZIMMER Electronic Systems GmbH financial estimates
Financial estimateRevenue estimate
Valuation estimate
ZES ZIMMER Electronic Systems GmbH leadership team
Management profileNumber of profiles
Profiles2 records
ZES ZIMMER Electronic Systems GmbH funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ZES ZIMMER Electronic Systems GmbH M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ZES ZIMMER Electronic Systems GmbH
What does ZES ZIMMER Electronic Systems GmbH do?
ZES ZIMMER designs, develops, manufactures, and sells broadband single-/three-phase precision power analyzers under its LMG series (LMG671, LMG641, LMG611, LMG671-ATE), along with HST and PCT current sensors, Danisense-branded high-precision zero-flux current transducers, CE compliance test systems, and LMG-CONTROL/LMG600 Control software. The company also offers DAkkS-accredited calibration services and application-engineering consulting to support R&D, quality assurance, and standards-compliance testing for electric and electronics manufacturers, test laboratories, and universities.
Is ZES ZIMMER Electronic Systems GmbH a public or private company?
ZES ZIMMER Electronic Systems GmbH is a private company. It is classified as corporate owned and is currently operating.
When was ZES ZIMMER Electronic Systems GmbH founded?
ZES ZIMMER Electronic Systems GmbH was founded in 1993. It employs 51 to 100 people.
Where is ZES ZIMMER Electronic Systems GmbH based?
ZES ZIMMER Electronic Systems GmbH is headquartered in Oberursel, Germany, in the Europe region.
How does ZES ZIMMER Electronic Systems GmbH make money?
Seven revenue lines are on record. Precision Power Analyzers are the primary driver. The others are sensors and Current Transducers, software Licenses, calibration Services, application Consulting, equipment Rental and compliance Test Systems.
Who are ZES ZIMMER Electronic Systems GmbH's main competitors?
Direct peers on record are Yokogawa Electric, Hioki, Keysight Technologies and Newtons4th (N4L). Broad incumbents are Rohde & Schwarz, Tektronix and Fluke (Fortive). Emerging players are Chroma Systems Solutions and Vitrek. AMETEK Programmable Power is listed as a regional player.
Does ZES ZIMMER Electronic Systems GmbH have an API?
No public API is recorded for ZES ZIMMER Electronic Systems GmbH.
What industry is ZES ZIMMER Electronic Systems GmbH in?
ZES ZIMMER Electronic Systems GmbH's product category is Precision Power Analyzers (Test and Measurement Instruments). Its primary akta.pro industry code is IMAGAFAC, Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches), with a secondary code of HLAGAIAL, Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards). Its NAICS code is 334515 and its SIC code is 3825.