What Weisz does

Weisz Instrumentos S.A. is an Argentine industrial engineering and metrology company founded in 1968 (firmographic record) / 1970 (incorporation record), headquartered in Lanús, Buenos Aires Province, with 51–100 employees and wholly-owned subsidiaries across six Latin American countries (Argentina, Colombia, Peru, Chile, Bolivia, and Venezuela). The company manufactures and distributes industrial measurement instruments — pressure gauges and transmitters, temperature sensors and transmitters, flow meters, level indicators, valves, and diaphragm seals — and distributes explosion-proof equipment for classified hazardous areas (Zones 0/1/2 and 20/21/22) under a strategic representation partnership with Warom Technology Incorporated.

The company's underlying technology stack combines in-house instrument design with third-party industrial automation platforms: OPTO 22 Groov RIO remote I/O devices and groov EPIC edge controllers, Inductive Automation's Ignition SCADA, Advantech industrial tablets, and the Weisz Cloud IoT platform for remote visualization and data logging over 3G/4G, LoRa, and Wi-Fi. The technical portfolio is anchored by multi-jurisdictional regulatory accreditations — OAA Laboratory N° 48 (Argentina, January 2025) for Mass, Electricity, Pressure, Volume, and Dimensional magnitudes; ONAC accreditation in Colombia; SAC N° 62 membership in the INTI network; and O.P.D.S. habilitation for safety valve calibration — which enable legally recognized calibration, legal metrology verification, and accredited laboratory services.

Weisz operates a hybrid revenue model across instrumentation hardware sales, engineering and automation project services, accredited calibration laboratory services, legal metrology verification (scales and fuel dispensers), mobile calibration, repair/maintenance, metrology consulting, and training. Go-to-market is primarily enterprise field sales through regional sales engineers and a subsidiary network, supplemented by a public e-commerce storefront (Weisz Tienda) for standard catalog items and WhatsApp Business for regional lead capture. Customer concentration is spread across oil and gas (a primary vertical, including upstream monitoring in the Vaca Muerta basin), mining, pharmaceutical, food and retail, fuel retail, and general industrial manufacturing, with named engagements including PepsiCo and Aceros Zapla.

Name

Weisz

Legal name

Weisz Instrumentos S.A.

Website

https://weisz.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

51–100 employees

Short description

Weisz Instrumentos S.A. is an Argentine industrial engineering firm that manufactures pressure, temperature, flow, and level measurement instruments, distributes explosion-proof equipment, and provides accredited calibration and legal metrology services across six Latin American countries.

Ownership category

akta.pro rank

Product category

Industrial Instrumentation and Calibration Services

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Testing Laboratories and Services (54138), Other Measuring and Controlling Device Manufacturing (334519)

SIC

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 industries

Calibration Services & Standards (Calibration labs, reference standards, traceability services) (IMAGAFAH), Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL)

Keywords

• Industrial instrumentation
• Calibration services
• Pressure measurement
• Temperature measurement
• Flow measurement

Headquarters

HQ city

Lanús

HQ country

Argentina

HQ region

Latin America

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Instrumentation Sales: Manufacture and sale of measurement instruments including manometers, pressure transmitters, temperature sensors, flow meters, valves, and accessories for industrial applications.
2. Calibration Services: Laboratory and mobile calibration services for measurement instruments across multiple magnitudes including pressure, temperature, mass, electricity, dimensional, force, analytical variables, time, density, and volume.
3. Engineering and Automation Projects: Custom engineering solutions for control and automation systems, integration projects for industrial and petroleum operations, and turnkey solutions for classified areas.
4. Metrology Verification Services: Legal metrology verification services for scales and fuel dispensers, authorized by Argentine government bodies including Secretaria de Industria y Comercio.
5. Repair and Maintenance Services: Instrument repair, preventive maintenance programs, spare parts supply, and equipment replacement services.
6. Consulting Services: Metrology consulting, calibration system development, quality management implementation, and ISO/IEC 17025 accreditation support.
7. Training and Capacitation: Training programs on metrology fundamentals, calibration techniques, and laboratory design, delivered on-site or at customer facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

Weisz Instrumentos S.A. manufactures and distributes industrial measurement instruments — pressure gauges, pressure transmitters, pressure switches, diaphragm seals, industrial valves, pressure generators, thermometers, thermowells, RTDs, thermocouples, temperature transmitters, thermostatic calibrators, flow meters, and level indicators — and provides accredited calibration, engineering/automation projects, and legal metrology verification services across Argentina and Latin America. The company operates its own OAA-accredited calibration laboratory (Lab. N° 48), a mobile calibration unit, and an e-commerce channel (Weisz Tienda), and integrates automation platforms such as Weisz Cloud and OPTO 22/Groov RIO.

Product overview

Weisz is an industrial instrumentation company with over 50 years of experience manufacturing high-complexity measurement instruments and providing calibration services across Latin America. The product portfolio centers on pressure measurement instruments (manometers, differential manometers, digital manometers, transmitters, pressure switches, diaphragm seals, valves, pressure generators), temperature measurement products (thermometers, thermowells, RTDs, thermocouples, temperature transmitters, thermostatic calibrators), flow measurement (flowmeters, rotameters, orifice plates), and level indicators. The company also distributes Warom explosion-proof equipment including luminaires, electrical equipment, control units, motor commutators, distribution boxes, and monitoring systems for classified hazardous areas. Technology platforms include OPTO groov EPIC industrial controllers, Groov RIO remote I/O devices, and Weisz Cloud for remote data monitoring. Service offerings encompass engineering and construction, accredited calibration laboratory services (OAA Laboratory N° 48), mobile calibration laboratory, and legal metrology verification for fuel dispensers and scales.

Differentiator

Problem solved

Functional benefit

Brands

• Weisz Cloud: Cloud-based platform for remote monitoring and data analysis of industrial processes using cellular 3G/4G, LoRa, and Wi-Fi networks

Products and services

• Pressure Gauges (Manómetros)
• Pressure Transmitters (Transmisores de Presión)
• Pressure Switches (Presóstatos)
• Diaphragm Seals (Sellos de Diafragma)
• Industrial Valves (Válvulas Industriales)
• Pressure Generators / Calibrators (Generadores de Presión)
• Industrial Thermometers (Termómetros Industriales)
• Thermowells (Thermopozos / Vainas)
• Resistance Temperature Detectors (RTDs)
• Thermocouples (Termocuplas)
• Temperature Transmitters
• Thermostatic Calibrators (Calibradores Termostáticos)
• Flow Measurement Instruments (Medidores de Caudal)
• Level Indicators / Sensors (Indicadores de Nivel)
• Explosion-Proof Classified Area Equipment (Warom)
• Weisz Cloud Platform
• OPTO 22 Groov RIO Edge I/O Module
• OPTO groov EPIC Industrial Control Platform
• Engineering and Construction Services (Ingeniería y Construcción)
• Accredited Calibration Laboratory Services (Laboratorio de Calibración OAA)
• Mobile Calibration Laboratory Service (Laboratorio Móvil)
• Scale Verification Service for Supermarkets (Verificación de Balanzas)
• Fuel Dispenser Verification Service (Verificación de Surtidores)
• Remote Control and Monitoring Solution for Upstream Oil & Gas

Quantifiable outcome

• Mobile calibration service eliminates instrument shipping costs and risks while ensuring operational continuity
• +2 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Warom Technology IncorporatedcoreTechnology or IntegrationStrategic representation partnership for explosion-proof lighting products and hazardous area equipment. Weisz offers lighting projects for classified zones (0, 1, 2 for gases and 20, 21, 22 for dusts) as part of their product portfolio for dangerous environments.
• OPTO 22coreTechnology or IntegrationTechnology partnership for Groov RIO remote I/O devices and EPIC industrial controllers. Weisz integrates OPTO 22 products into remote monitoring and control solutions for oil and gas upstream operations.
• Inductive AutomationcoreTechnology or IntegrationOPTO 22 is the only authorized solution partner for Inductive Automation's Ignition platform. Weisz deploys Ignition-based solutions for industrial automation and monitoring.
• Certimet S.A.C.minorGTM or Marketing PartnerCollaborative partnership for technical webinars and training. Certimet engineers presented a joint webinar on pressure measurement instruments to strengthen industry knowledge sharing.
• Universidad Nacional de Jujuy (UNJu)coreStrategic or Co-development PartnerJoint partnership to establish a calibration laboratory at the Centro Tecnológico 'Gral. Savio' in Palpalá. The collaboration supports local talent development and provides calibration services to regional industries.
• INTI (Instituto Nacional de Tecnología Industrial)coreStrategic or Co-development PartnerStrategic partnership as part of the SAC (Servicio Argentino de Calibración) metrology network. INTI provides supervision and traceability to national measurement standards for Weisz's calibration services.
• OAA (Organismo Argentino de Acreditación)coreOthersAccreditation body that granted Weisz Laboratory N° 48 status for calibration services in mass, electricity, pressure, volume and dimensional magnitudes, affirming technical competence under ISO/IEC 17025.
• ONAC (Organismo Nacional de Acreditación de Colombia)coreOthersColombian accreditation body that accredited Weisz's laboratory operations in Colombia, enabling metrology services with international recognition.

Scale indicators5 records

Recent moves7 records

Expansion highlights19 records

Market position

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/WeiszLATAM
• LinkedInlinkedin.com/company/weisz-instrumentos-sa
• Instagraminstagram.com/weiszinstrumentos

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries4 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 Weisz