Ingenieurbüro

What Ingenieurbüro does

IMT Technology GmbH, operating under the trade name Ingenieurbüro and marketed as IMT Technology, is a privately held German manufacturer of high-precision sensors and measurement systems for photovoltaic (PV) applications. Headquartered in Hameln, Germany, and founded in 1990, the company has specialized for more than three decades in silicon reference cells (Si-Sensors) engineered to replicate the construction of commercial PV modules, thereby producing irradiance reference values directly comparable to real module behavior rather than theoretical estimates. The product portfolio spans Si-Sensor reference cells, the BigRef variant, module and ambient temperature sensors, pyranometers, climate and wind sensors, IV curve measurement devices (PV-KLA), and fully automated PV module test stands (PV-KLA MUX), along with sensor accessories.

The company serves three primary customer segments: large-scale PV module manufacturers requiring reference equipment for quality control and certification, operators of solar power plants that need durable long-term monitoring sensors for performance ratio and yield assessment, and solar energy research institutions — explicitly including ISFH, Fraunhofer ISE, SERIS, and NREL — that require high-precision instrumentation for module testing and performance analysis. Its stated competitive advantage rests on three decades of single-domain specialization, identical-to-module construction of reference cells, and proven outdoor robustness in long-term deployment.

IMT Technology generates revenue through direct hardware sales of sensors and measurement systems to enterprise customers worldwide, with no publicly disclosed pricing and no subscription, licensing, or service-revenue model. The go-to-market is a direct enterprise field-sales motion, with customer engagement conducted via phone (+49 5151 4036990) and email through the corporate website, which is available in both German and English. The company reports no external investors, no parent organization, no subsidiaries, and no disclosed ownership structure, consistent with an independently operated, founder-led private GmbH.

Name

Ingenieurbüro

Legal name

IMT Technology GmbH

Website

https://ib-mut.de

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

IMT Technology GmbH is a German manufacturer of precision silicon reference cells, temperature and meteorological sensors, and IV curve measurement systems serving PV module manufacturers, plant operators, and solar research institutions globally.

Ownership category

akta.pro rank

Product category

Photovoltaic Measurement Sensors

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Industrial-Grade Sensors & Transducer Components (Discrete sensing elements, transducers, MEMS sensors) (IMAGAJAO)

akta.pro secondary industry

Optical & Light Sensors (Photodiodes/ALS/Color/UV) (HDAHALAE)

Keywords

• Photovoltaic sensors
• Solar reference cells
• PV measurement systems
• IV curve measurement
• Module temperature sensors

Headquarters

HQ city

Hameln

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Sensor Hardware Sales: Sale of high-precision silicon reference cells, temperature sensors, and meteorological sensors for photovoltaic monitoring.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Ingenieurbüro (operating as IMT Technology GmbH) develops and manufactures high-precision silicon reference cells (Si-Sensors), temperature sensors, meteorological sensors, and IV curve measurement devices for photovoltaic (PV) monitoring and module testing. The company's flagship Si-Sensors are constructed identically to commercial PV modules, providing highly comparable reference values for solar irradiance measurement, and are complemented by pyranometers, climate sensors, wind sensors, and fully automated PV module test stands.

Product overview

IMT Technology offers a comprehensive portfolio of precision sensors and measurement systems for photovoltaic (PV) applications. The core offering centers on Si-Sensor reference cells for solar radiation measurement, complemented by temperature sensors (module and ambient), meteorological sensors (pyranometers, climate sensors, wind sensors), and IV curve measurement devices (PV-KLA) including fully automated PV module test stands (PV-KLA MUX). Accessories are available for solar radiation and temperature sensor product lines. The company positions itself as the international leading manufacturer of reference cells, serving both industry and research institutions worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Silizium-Solarstrahlungssensor (Si-Sensor) High-precision silicon reference cell for solar radiation measurement in PV monitoring, designed to replicate the structure of commercial PV modules for highly comparable reference values and exceptional robustness for long-term outdoor deployment.
• BigRef

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Expansion highlights3 records

Direct peers

• Apogee Instruments: US-based manufacturer of environmental sensors, including silicon-cell pyranometers and quantum sensors for solar and agricultural research. Comparable to IMT in silicon-based light/irradiance sensing for outdoor monitoring.
• Hukseflux Thermal Sensors: Dutch manufacturer of high-accuracy thermal and solar radiation sensors, including pyranometers and reference cells. Directly comparable to IMT Technology in product type (solar irradiance and thermal measurement) and customer base (PV manufacturers, research institutes, and plant operators).
• Kipp & Zonen (OTT HydroMet): Established Dutch manufacturer of solar radiation and meteorological instruments, including pyranometers widely used in PV monitoring. Directly competes with IMT in solar irradiance measurement for utility-scale PV and research applications.
• EKO Instruments: Japanese-headquartered maker of pyranometers, sunshine duration meters, and meteorological sensors for solar energy applications. Directly comparable to IMT in solar irradiance and PV monitoring instrumentation.
• Eppley Laboratory: Long-standing US manufacturer of precision pyranometers and solar radiation instruments. Directly comparable to IMT in solar irradiance measurement for PV monitoring and atmospheric research.

Broad incumbents

• Campbell Scientific: Larger US-based manufacturer of data acquisition systems and environmental measurement instrumentation. Overlaps with IMT in PV meteorological monitoring and research-grade measurement, but operates across a much broader instrumentation portfolio.
• LI-COR Biosciences: US-based maker of light measurement instrumentation, including quantum sensors used in solar and plant science research. Adjacent to IMT in precision optical/irradiance measurement but focused on biosciences and plant research rather than PV.

Emerging players

• METER Group (formerly Decagon Devices): US manufacturer of environmental sensors for atmospheric, soil, and plant science research. Comparable to IMT in meteorological and environmental measurement for outdoor deployments, with partial overlap in PV-relevant climate sensing.
• Daystar Instruments: US-based manufacturer of solar radiation measurement instruments including pyrheliometers and pyranometers. Comparable niche player to IMT in PV and solar research instrumentation, focused specifically on solar radiation measurement.

Others

• SensorsONE (Industrial Physics): Online instrumentation distributor offering temperature, solar, and meteorological sensors including for PV monitoring. Adjacent to IMT as a channel/competitor in similar end-use applications, though primarily a distributor rather than a specialist PV sensor manufacturer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ingenieurbüro