Testboy

What Testboy does

Testboy GmbH is a German manufacturer of professional measurement and testing instruments, headquartered in Vechta, Lower Saxony. The company originated in 1953 as Ludwig Mers, was acquired by its current managing director in 1993, and rebranded to Testboy GmbH in 2005. It sells hardware products under the Testboy, Testavit, and Schuki brands spanning voltage testers, continuity testers, multimeters, clamp meters, socket and installation testers, thermal imaging cameras, automotive testing equipment, and EVSE (electric vehicle supply equipment) testers. Products are TÜV/GS certified and conform to IEC/EN 61010-1 safety standards, which are explicit purchasing requirements in the professional electrical trades.

The company targets a B2B trade customer base — electricians, service technicians, automotive workshops, building installation contractors, and increasingly e-mobility and solar installers — through a direct field sales force organized around regional sales managers, supplemented by a dedicated export sales function. Revenue is generated entirely through one-time hardware sales with no disclosed recurring or software component; the TV 297 SMART thermal camera adds smartphone app integration but no subscription layer is evident. There is no public reporting of financials; growth is signalled by seven sequential facility expansions in Vechta between 1997 and 2020 and by ongoing category extensions (EVSE, solar, connected thermal imaging), consistent with a privately held Mittelstand industrial OEM broadening its addressable market from a German base into Europe and export markets.

Name

Testboy

Legal name

Testboy GmbH

Website

https://testboy.de

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

11–50 employees

Short description

Testboy GmbH is a privately held German manufacturer of TÜV-certified professional measurement and testing instruments — including voltage testers, multimeters, thermal cameras, and EVSE testers — sold to electricians, service technicians, and automotive workshops via direct field sales and export channels.

Ownership category

akta.pro rank

Product category

Electrical Test and Measurement Equipment

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro industry

PRIMARYIMAGAFAC

Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches)

Industrials, Manufacturing & Construction/Electrical Equipment & Industrial Electronics/Sensors, Instrumentation & Measurement (Industrial sensing, metrology, test)

Keywords

• Voltage testers
• Electrical measurement instruments
• Continuity testing equipment
• Multimeters and clamp meters
• Thermal imaging cameras

Headquarters

HQ city

Vechta

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Sales - Measuring and Testing Equipment: One-time hardware sales of professional measuring and testing instruments. Products are sold directly to professional users (electricians, service technicians, workshops) through B2B sales channels. The product portfolio spans multiple categories including voltage testers, multimeters, clamp meters, socket testers, installation testers, thermal cameras, and specialized automotive and EVSE testing equipment. Revenue is generated through product sales with no recurring revenue model indicated.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Testboy GmbH manufactures and sells professional electrical measurement and testing instruments under the Testboy, Testavit, and Schuki brands. The portfolio spans voltage testers (non-contact and two-pole), continuity testers, multimeters, current clamps, socket testers, installation and appliance testers, thermal imaging cameras, EV charging station testers, automotive test equipment, and accessories. Products are TÜV-/GS-certified to IEC/EN 61010-1 and serve professional electricians, service technicians, automotive workshops, heating and sanitation professionals, and e-mobility service providers.

Product overview

Testboy GmbH is a German manufacturer of professional measurement and testing instruments founded in 1953, headquartered in Vechta, Germany. The company produces a comprehensive portfolio of electrical testing and measurement equipment under the Testboy, Testavit Schuki, and Schuki brands. The product lineup includes: voltage testers (non-contact and two-pole), continuity testers, multimeters (digital pocket, standard, and pen-style), current clamps (standard, leakage, mini, and flexible), socket testers (basic LCD and advanced), cable trackers, network testers, fuse finders, wall scanners, rotary field testers, installation and appliance testers (insulation testers, earth resistance meters, installation testers per DIN VDE 0100, appliance testers per DIN VDE 0701/0702), solar panel testers, EV charging station testers, thermometers (infrared and multi-channel), luxmeters, distance meters, moisture meters, mold detectors, anemometers, thermal imaging cameras (basic, standard, WiFi-enabled, and smartphone-compatible), automotive testers (brake fluid testers, multimeters, coating thickness gauges), work lights (headlamps, portable LED lights), and accessories (test probes, leads, adapters, carrying cases). The products are TÜV-/GS-certified and comply with IEC/EN 61010-1 safety standards, serving professional electricians, service technicians, and industrial applications.

Differentiator

Problem solved

Functional benefit

Products and services

• TESTBOY 2 Continuity Tester Continuity tester with integrated LED flashlight, acoustic and optical indicators, built-in voltage warning, and fully insulated impact-resistant plastic housing. Designed for professional electricians and described as the most sold device for continuity testing in Germany.
• TESTBOY 20 Plus Continuity Tester Advanced continuity tester with non-contact voltage sensor that detects AC voltages through insulation, features high-power LED flashlight and single-pole phase searching capability.
• TESTBOY 10 Non-Contact Voltage Tester Non-contact voltage tester for AC voltages from 110V to 1000V using capacitive measurement method, with optical display only and CAT III 1000V rating.
• TESTBOY 105 Non-Contact Voltage Tester Non-contact voltage tester from 12V AC to 1000V AC with optical, acoustic and vibrating indication, CAT IV 1000V rated, and built-in LED flashlight.
• TESTBOY 115 Bit Non-Contact Voltage Tester Non-contact voltage tester from 12V AC to 1000V AC with integrated bit holder for screwdriver function, optical indication with color-coded LEDs, CAT III/CAT IV rated.
• TESTBOY PROFI III LED Two-Pole Voltage Tester Two-pole voltage tester with FI (RCD) test function and LED display for professional voltage detection.
• Testboy Profi III Duo Two-Pole Voltage Tester Two-pole voltage tester with highest safety rating CAT IV / 1000V for professional voltage detection in demanding electrical environments.
• TESTBOY 15 Magnetic Field Tester Non-contact magnetic field tester for detecting permanent, DC and AC magnetic fields in solenoid valves, relays and switches without disassembly.
• TESTBOY 130 Magnetic Field Detector Non-contact magnetic field detector for static and alternating magnetic fields with integrated LED flashlight, suitable for function testing during operation.
• TESTBOY Pocket 100 Digital Multimeter Digital multimeter in compact pocket format for portable measurement applications in electrical installation, service and industry.
• JUBI-BOX TESTBOY 316 Black Edition Multimeter Professional multimeter with 40mm backlit display, used in electrical installation, service and industry applications. Includes free Testboy Light 150.
• TESTBOY Pen 1000 Pen-Style Multimeter Pen-style multimeter for non-contact voltage detection and basic electrical measurements in compact portable form factor.
• TESTBOY 3000 Professional Digital Multimeter Professional digital multimeter for advanced electrical testing applications requiring broad measurement range and high accuracy.
• TESTBOY TV 216N Digital Clamp Ammeter Digital clamp ammeter for AC/DC current measurement in electrical installations and service applications.
• TESTBOY TV 217 Leakage Current Clamp Leakage current clamp for detecting small leakage currents in electrical systems, supporting preventive maintenance and fault diagnosis.
• TESTBOY TV 225 Flexible Clamp Ammeter Flexible clamp ammeter for measuring currents in difficult-to-access conductors where rigid clamp designs cannot reach.
• TESTAVIT SCHUKI 1 LCD Socket Tester Socket tester with LCD display for verifying proper wiring of electrical outlets in building installations.
• TESTAVIT SCHUKI 2K Socket Tester with RCD Test Socket tester with RCD (residual current device) test function for comprehensive outlet testing in professional electrical installation work.
• TESTBOY TV 445 Installation Tester Installation tester for testing electrical installations according to DIN VDE 0100-600 standard for compliance verification.
• TESTBOY TV 465 Appliance Tester Appliance tester according to DIN VDE 0701/0702 for testing repaired electrical equipment to verify operational safety after service.
• TESTBOY TV 950 Wallbox Tester Wallbox tester for checking EV charging stations and wallboxes with TYPE-2 connection quickly and easily, serving e-mobility service providers.
• TESTBOY TV 510 Solar Panel Tester Solar panel tester for photovoltaic system testing, supporting solar panel installers and technicians in installation verification and maintenance.
• TESTBOY TV 700 Wall Scanner Digital wall scanner for detecting wood, metal studs and live wires behind walls, supporting safe drilling and installation work.
• TESTBOY 30 Fuse Finder Fuse finder for locating specific fuses in electrical panels, supporting electricians in circuit identification during maintenance and service.
• TESTBOY TV 410N Rotary Field Tester Rotary field tester for determining phase sequence in three-phase systems, ensuring correct phase rotation during installation and commissioning.
• TESTBOY TV 292 Basic IR Thermal Imaging Camera Basic IR thermal imaging camera for building diagnostics and electrical inspections, providing entry-level thermography capability for professional users.
• Testboy TV 296 Thermal Imaging Camera with WiFi Thermal imaging camera with Bluetooth and WiFi connectivity for wireless data transfer, supporting advanced professional thermographic inspections.
• TESTBOY TV 297 SMART Mobile Thermal Camera Mobile thermal imaging camera for iOS and Android smartphones and tablets, enabling on-the-go thermographic inspection using personal mobile devices.
• TESTBOY TV 325 Infrared Thermometer Infrared thermometer with adjustable emissivity for accurate non-contact temperature measurements across various surface materials.
• TESTBOY 55 Brake Fluid Tester Brake fluid tester for automotive brake fluid specifications DOT 3, DOT 4, and DOT 5.1, supporting vehicle workshop service operations.
• TESTBOY 70 Coating Thickness Gauge Coating thickness gauge for measuring paint and coating thickness on vehicles, supporting automotive inspection and refinishing workflows.
• TESTBOY TV 610 Laser Distance Meter Laser distance meter for precise distance measurements in installation, surveying and building inspection applications.
• TESTBOY LIGHT 200 LED Work Light LED work light with rechargeable Li-Ion battery for portable professional illumination in field and workshop environments.

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators4 records

Recent moves13 records

Expansion highlights5 records

Others

• Megger Group:

Direct peers

• Sonel S.A. Polish manufacturer of electrical measurement instruments including multimeters, clamp meters, insulation testers, and installation testers per EN 61557. Direct peer of similar mid-sized scale with comparable product portfolio focused on European professional electrician and PV/EVSE testing segments.
• HIOKI E.E. Corporation: Japanese manufacturer of electrical measuring instruments including multimeters, clamp meters, insulation testers, and power measurement equipment. Direct peer targeting similar professional and industrial technician segments with comparable product positioning and international distribution.
• HT Instruments: Italian manufacturer of professional electrical measurement and testing instruments (multimeters, clamp meters, installation testers, voltage testers). Direct peer of similar mid-sized profile with overlapping product categories and shared European professional electrician customer base.
• Chauvin Arnoux: French family-owned manufacturer of electrical measurement instruments (multimeters, clamp meters, power analyzers, installation testers under the Chauvin Arnoux and Metrix brands). Direct peer with similar mid-sized European manufacturer profile, comparable product portfolio, and shared focus on electrician and industrial maintenance customers.
• Beha-Amprobe: Manufacturer of electrical test and measurement instruments (multimeters, clamp meters, voltage testers, installation testers) owned by Fluke Corporation. Direct peer in the professional electrician segment with global distribution, competing on similar use cases for continuity testing, voltage detection, and installation verification.
• Kyoritsu Electrical Instruments Works: Japanese manufacturer of professional electrical measuring instruments including multimeters, clamp meters, voltage testers, and insulation testers. Direct peer with similar product categories and professional electrician customer base, distributed across Europe and competing on price-performance.
• Gossen Metrawatt (GMC-Instruments): German manufacturer of professional electrical measurement and testing instruments based in Nuremberg. Closest direct peer — same geographic origin, similar target customers (electricians, service technicians), and overlapping product categories including multimeters, clamp meters, installation testers, and voltage testers. Competes head-to-head in the German electrician trade channel.

Broad incumbents

• Fluke Corporation: Fortive-owned global leader in electrical test and measurement, offering multimeters, clamp meters, installation testers, thermal imagers, and the Fluke Connect software ecosystem. Broad incumbent that competes with Testboy across the full professional electrician and industrial technician segments, with deeper R&D budgets and software subscriptions that Testboy currently lacks.
• Weidmüller Interface GmbH & Co. KG: German industrial connectivity and electronics manufacturer offering test and measurement equipment alongside a broader portfolio of terminal blocks, PCB connectors, and power supplies. Broad incumbent in the German industrial electrician channel; competes with Testboy in installation testing and PV monitoring adjacencies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/TestboyGmbH
• YouTubeyoutube.com/channel/UCGIgAbmf9FNJ-XsVXqM1riw/videos
• Facebookfacebook.com/testboy.gmbh
• LinkedInlinkedin.com/company/testboy-gmbh

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Testboy