What Schonstedt does

Schonstedt Instrument Company, founded in 1953 and headquartered in Kearneysville, West Virginia, designs and manufactures underground detection equipment, primarily handheld magnetic locators and pipe-and-cable locators sold under the Schonstedt brand and, more recently, select Radiodetection co-branded products. Its magnetic locators (GA-52Cx, GA-72Cd, GA-92XTd, Maggie, Spot) use proprietary HeliFlux dual-sensor Fluxgate magnetometer technology to detect ferromagnetic objects such as survey markers, property corners, valves, manhole covers, and unexploded ordnance, while its pipe-and-cable line (Rex, u-LOCATE, u-LOCATE+, C.A.T4 family) employs electromagnetic induction transmitter-receiver systems, TDR fault-finding, and acoustic leak detection (RD510). The company sells exclusively through a network of 300+ authorized dealers in the United States, with international distribution handled through Radiodetection offices worldwide and spare-parts fulfillment via EngineerSupply in the Americas.

Schonstedt operates as a subsidiary of Radiodetection LLC (associated with SPX Corporation), and does not disclose revenue or raise outside capital. Revenue is generated almost entirely through one-time hardware sales supplemented by a factory repair service (48-72 hour turnaround with standard minimum charges of approximately $290-$309), an aftermarket accessories business, and the Schonstedt Humanitarian Demining Initiative, which has donated 600+ units to UXO clearance efforts globally. Products are priced through the dealer network with no publicly listed pricing; warranties are a key commercial lever, with magnetic locators carrying industry-leading 7-year terms versus 1-3 years for pipe/cable models. Customer segments are deliberately diversified across surveying, water/sewer utilities, construction and excavation, power, gas/oil pipelines, telecom/cable, contract locating, facilities management, and UXO/demining, reducing concentration risk but also capping the addressable market within each vertical.

The go-to-market is channel-led and content-supported: Schonstedt maintains active social media profiles, a YouTube training library, the FindUXO.com micro-site, and industry-event participation to educate end users, while transactions are closed through dealers. AI/ML capabilities are not evident in the product stack; differentiation rests on proprietary sensor technology (HeliFlux), 70+ years of brand equity, a deep dealer network, and category leadership in humanitarian demining — collectively a stable but hardware-bound niche industrial business.

Name

Schonstedt

Legal name

Schonstedt Instrument Company

Website

https://schonstedt.com

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

11–50 employees

Short description

Schonstedt Instrument Company, founded 1953 and based in Kearneysville, WV, designs and manufactures handheld magnetic and pipe-and-cable locators (Fluxgate magnetometer and electromagnetic induction technology) sold through 300+ US dealers and Radiodetection's international offices to surveyors, utility contractors, and demining teams.

Ownership category

akta.pro rank

Product category

Underground Utility Detection Equipment

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

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

akta.pro primary industry

Magnetic Sensors (Hall/Magnetoresistive/Compass) (HDAHALAC)

akta.pro secondary industry

Passive Components (Resistors, Capacitors, Inductors, Ferrites) (IMAGAJAA)

Keywords

• Magnetic locators
• Pipe cable locators
• Underground utility detection
• Fluxgate magnetometers
• Cable fault locators

Headquarters

HQ city

Kearneysville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Sales - Magnetic Locators: Schonstedt generates revenue primarily from the sale of magnetic locator instruments. These include models like GA-52Cx, GA-72Cd, GA-92XTd, Maggie, and Spot, which detect buried ferromagnetic objects. Revenue is one-time hardware sales through dealer network.
2. Hardware Sales - Pipe & Cable Locators: Revenue from pipe and cable locator systems including Rex, u-LOCATE, and related accessories. These devices help locate underground utilities like water pipes, sewer, electric, telecom, and gas lines. Includes transmitters, receivers, and accessories like clamps and sondes.
3. Accessories and Spare Parts: Sales of accessories including headsets, carrying cases, signal clamps, heavy duty clips, batteries, chargers, and spare parts for all Schonstedt locator models. Parts are fulfilled through EngineerSupply for North and South America.
4. Repair and Service: Factory repair services for locators during and after warranty period. Repairs include full refurbishment, with typical turnaround of 48 hours for magnetic locators and 72 hours for pipe/cable locators. Standard minimum repair charges apply.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels10 records

Core offering

Schonstedt designs, manufactures, and distributes handheld magnetic locators and pipe & cable locators used to detect buried ferromagnetic objects (survey markers, property corners, valves, manhole covers, weapons, ordnance) and underground utilities (water, sewer, gas, electric, telecom). The product range spans Ferrous-target Fluxgate magnetometers with HeliFlux sensors, active-signal pipe/cable locators, TDR cable fault finders, acoustic leak detectors, and supporting accessories such as sondes and FlexiTrace rodders, sold through a 300+ dealer network.

Product overview

Schonstedt Instrument Company manufactures a comprehensive portfolio of underground utility locators and detection equipment. The product line consists of two main categories: Magnetic Locators (Maggie, GA-92XTd, Spot, GA-52Cx, GA-72Cd) that detect ferromagnetic objects using HeliFlux sensor technology, and Pipe & Cable Locators (Rex, u-LOCATE, u-LOCATE+, C.A.T4+, gC.A.T4+) that use electrical signal detection methods. Specialty products include the RD510 Water Pipe Locator & Leak Detector, Lexxi T1660 cable fault finder, and various TDR instruments. Accessories include FlexiTrace flexible rodders and 512 Hz sondes for tracing non-metallic pipes. The company also offers the MPC-Rex Combo Kit bundling both magnetic and pipe/cable technologies. Products serve industries including surveying, water/sewer, construction, utilities, telecommunications, and unexploded ordnance detection. Schonstedt has been making locators since 1953 and operates under Radiodetection LLC.

Differentiator

Problem solved

Functional benefit

Brands

• Schonstedt Humanitarian Demining Initiative (SHDI): Humanitarian initiative that donates magnetic locators to demining efforts worldwide, having donated over 600 units to date
• FINDUXO.com

Products and services

• Maggie Magnetic Locator High-sensitivity handheld magnetic locator with HeliFlux sensors, pistol-grip design, 4-level sensitivity controls, expanding bar graph for polarity/signal strength, and IP54 rating; delivered with a 7-year warranty for surveyors, utility locators, and construction professionals needing reliable detection of buried iron targets.
• GA-92XTd Magnetic Locator Most-portable magnetic locator with retractable design (26" extended, 15.5" closed), single-handed membrane switch operation, quick-change battery, and IP54 rating; detects buried ferromagnetic objects up to 16 feet underground for surveyors and field crews.
• Spot Magnetic Locator Next-generation stick-style magnetic locator with audio-only output, 5-level sensitivity, up to 18 feet depth detection, IP54 rating and waterproof up to 27 inches; positioned as the lowest-cost HeliFlux-based magnetic locator with a 7-year warranty.
• GA-52Cx Magnetic Locator Most-popular Schonstedt magnetic locator with high sensitivity, 5-level controls, rugged aluminum casing, one-hand operation, and waterproofing to 34.5 inches; sold with a 7-year warranty for surveying, water/sewer, construction, and utility locating applications.
• GA-72Cd Magnetic Locator Most-versatile magnetic locator offering audio and visual output, Peak or Null response modes, 4-level sensitivity, 3-digit LCD readout, and digital bar graphs; especially popular for UXO and humanitarian demining applications and waterproof to 21 inches, with a 7-year warranty.
• Rex Multi-Frequency Pipe & Cable Locator Ultralight (under 7 lbs total) pipe and cable locator operating on 512 Hz, 33 kHz, and 82 kHz active frequencies plus 50/60 Hz passive and 512 Hz sonde detection, with rechargeable transmitter batteries and a 3-year warranty; used by water, sewer, electric, telecom, and gas utility crews.
• u-LOCATE Pipe & Cable Locator Single-frequency pipe and cable locator operating at 82 kHz with a 1W transmitter, ergonomic design, high-visibility reflective casing, left/right directional arrows, depth estimation, and IP65 weatherproof rating; includes a 1-year warranty extendable to 3 years.
• u-LOCATE+ Pipe & Cable Locator Dual-frequency pipe and cable locator with 33 kHz and 82 kHz active frequencies plus 512 Hz sonde capability, passive 50/60 Hz mode, depth estimation, audio signals, and IP65 weatherproof rating; backed by a 1-year warranty extendable to 3 years.
• C.A.T4+ Pipe and Cable Avoidance Tool Standard dual-frequency cable avoidance tool from Radiodetection with 33 and 131 kHz active frequencies plus 33 Hz sonde mode, enhanced cable avoidance for congested areas, StrikeAlert shallow-cable warning, SWING warning, dynamic overvoltage protection, and IP54 rating.
• gC.A.T4+ Pipe and Cable Avoidance Tool with Data-logging and GPS Dual-frequency cable avoidance tool with 33 and 131 kHz active frequencies, 33 Hz sonde mode, built-in data logging and GPS/GNSS receiver for usage and location analysis, and integration with C.A.T Manager Online for fleet management; IP54 rated.
• Genny4 Signal Transmitter Companion signal transmitter for C.A.T4 cable avoidance tools that transmits simultaneous 33 kHz and 131 kHz frequencies to energize cables and pipes (including smaller diameter cables), with standard/boost output modes and inductive plus direct connection capabilities; IP54 rated.
• RD510 Water Pipe Locator & Leak Detector Hand-held water pipe locator and leak detector combining an acoustic sensor and control unit to isolate and amplify leak sounds, with a Pulsed Water Transmitter for traceable sound injection; detects leaks up to 16 feet depth and traces pipes up to 148 feet, with a 7-inch HD color touchscreen.
• Lexxi T1660 Cable Fault Locator Economical cable fault locator combining hand-held ergonomics with a Time Domain Reflectometer engine, providing 1% distance accuracy and resolution for quickly finding faults in cable TV and telecommunications copper cables.
• Radiodetection 1205CXB TDR Cable Analyzer High-performance Time Domain Reflectometry cable analyzer and fault finder for pinpointing copper cable faults quickly and accurately in professional cable analysis applications.
• MPC-Rex Combo Kit Multi-purpose combo kit bundling the Rex Multi-Frequency Pipe & Cable Locator with the GA-92XTd Magnetic Locator, plus accessories and a custom shoulder bag, for utility locating professionals working across water, sewer, gas, electric, and telecom infrastructure.
• Factory Repair & Refurbishment Service Authorized factory repair service for Schonstedt magnetic locators and pipe & cable locators, with typical turnaround of 48 hours for magnetic locators and 72 hours for pipe/cable units; standard minimum repair charge (USD 290–309) covers full refurbishment to original specifications with a 6-month warranty.

Quantifiable outcome

• Detects buried ferrous objects up to 16-20 feet below surface depending on object size and material
• +3 more outcomes

Named customers4 records

Segments8 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered flagship and core.

• RadiodetectionflagshipTechnology or Integration · 8 October 2025Schonstedt and Radiodetection operate under the same corporate parent (Radiodetection LLC) and collaborate closely on product offerings. Schonstedt expanded its offerings to include Radiodetection's C.A.T4 and Genny4 Pipe and Cable Avoidance Tools, making these trusted tools accessible through Schonstedt's dealer network. The RD510 Water Pipe Locator & Leak Detector is also offered in collaboration with Radiodetection. Products like TDR cable fault finders (1205CXB) and Lexxi fault locators are sourced from Radiodetection.
• EngineerSupplycoreChannel Partner/ Reseller/ DistributorSchonstedt has partnered with EngineerSupply as an authorized spare parts fulfillment provider for the United States, Canada, and Latin America. EngineerSupply handles all spare parts orders including knobs and accessories for Schonstedt products.
• SPX CorporationflagshipOthersSchonstedt Instrument Company is owned by SPX Corporation. The company email domain is [email protected] and the footer lists Copyright 2005-2026 Radiodetection LLC. SPX provides corporate infrastructure and branding under the Radiodetection LLC subsidiary.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/Schonstedt
• Facebookfacebook.com/SchonstedtInstrument
• LinkedInlinkedin.com/company/schonstedt-instrument-company
• Instagraminstagram.com/schonstedtinstrument
• Xx.com/schonstedt

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 Schonstedt