What Meriam Process Technologies does

Meriam Process Technologies is a Cleveland-based (Westlake, Ohio) designer and manufacturer of measurement and calibration instrumentation, founded in 1911 by Joseph Meriam and currently operating as a wholly owned subsidiary of Scott Fetzer Company within the Berkshire Hathaway/Marmon Holdings portfolio, branded under Western Enterprises. The company builds pressure, flow, temperature, and signal-calibration instruments - including the MFC5150 HART Communicator (the first device compliant with HART Foundation SDC-625), the MFT 4000/4010 series modular calibrators, a broad line of digital and analog manometers, Accutube averaging pitot tubes, laminar flow elements, orifice plates, and pipeline integrity testers - together with a parallel portfolio of medical-grade manometers and autoclave analyzers. All instruments are NIST-traceable, supported by ISO 9001:2008, ATEX, and CE certifications, and documented in eight languages.

The business sells through a global dealer/distributor network with a published MAP pricing policy, supplemented by direct sales for enterprise and OEM engagements. Revenue is generated across four streams: hardware sales of measurement instruments, factory repair and recalibration services (carrying a $180 inspection fee per unit not repaired or calibrated), short-term equipment rentals, and custom device development including private labeling, embeddable solutions, and customized firmware for OEM manufacturers. End markets span Oil & Gas, Medical, Chemical, Petrochemical, Utilities, Automotive, and laboratory applications, with the Oil & Gas and Medical verticals treated as primary segments based on dedicated product lines and dedicated use-case content.

The company's strategic posture emphasizes deep technical specialization rather than market breadth: it maintains an installed base of legacy U-tube and well-type manometers (some NIST-recognized as primary standards) alongside modern digital and HART-enabled instruments, and operates an active strategic-acquisitions program targeting adjacent flow, calibration, and HART-communication product companies (advised by League Park Advisors). The combination of a century-long brand, regulatory certifications, and a tightly integrated measurement-and-calibration workflow positions Meriam as a defensible niche operator within the broader industrial instrumentation market.

Name

Meriam Process Technologies

Legal name

Meriam Process Technologies

Website

https://meriam.com

Company type

Private

Founded year

1911

Operating status

Operating

Headcount range

51–100 employees

Short description

Meriam Process Technologies, a Western Enterprises brand and Berkshire Hathaway subsidiary, designs and manufactures NIST-traceable pressure, flow, and HART-communication measurement and calibration instruments for industrial and medical customers, sold globally through dealers and direct sales.

Ownership category

akta.pro rank

Product category

Industrial Measurement Instruments

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

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 pressure measurement
• Process calibration instruments
• HART communication devices
• Flow measurement elements
• Digital manometers

Headquarters

HQ city

Cleveland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Measurement Instruments and Hardware Sales: Primary revenue from selling measurement and calibration instruments including digital manometers, calibrators, HART communicators, pressure gauges, flow elements, and accessories.
2. Repair and Calibration Services: Fee-based repair and calibration services with $180 inspection fee per unit if not repaired or calibrated. Services include recalibration, Return Material Authorization process.
3. Equipment Rentals: Short-term equipment rental program allowing customers to rent instruments for specific periods, reducing capital expenditure requirements.
4. Custom Device Development: Custom measurement solutions development for specialized needs including private labeling, embeddable solutions, and modified firmware. OEM manufacturer solutions.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Meriam Process Technologies manufactures and sells measurement and calibration instruments including digital manometers, pressure calibrators, HART communicators, flow measurement elements (averaging pitot tubes, laminar flow elements, orifice plates), and digital pressure gauges. Products serve industrial process automation (oil & gas, chemical, utilities, petrochemical, automotive) and medical equipment servicing (biomedical calibration, autoclave validation). The company also offers repair/recalibration services, equipment rentals, and custom OEM instrument development.

Product overview

Meriam Process Technologies offers a comprehensive portfolio of measurement and calibration solutions for industrial and medical applications. The product line centers on pressure measurement instruments (digital and analog manometers, pressure gauges, transmitters, and calibrators), flow measurement devices (Accutube averaging pitot tubes, laminar flow elements, orifice plates), and HART® communication devices (MFC5150 HART® Communicator, MFT 4000/4010 Modular Calibrators). Medical products include the M2004 and M1004 Series Smart Manometers and meriGauge® Plus Digital Gauge. The ecosystem includes modular accessories (hand pumps, pressure modules, RTD/thermocouple modules), indicating fluids, and software utilities (FC Manager, DPC Manager, meriSuite CG, MeriamSDK). Services encompass custom tool development, repair/calibration, and rental programs. The company provides NIST-traceable calibration and operates under a Scott Fetzer Company / Berkshire Hathaway umbrella.

Differentiator

Problem solved

Functional benefit

Brands

• Accutube: Averaging Pitot Tube brand including Inline, Insertion, Flanged, and Wet Tap models for gases, liquids, and steam flow measurement
• meriGauge
• meriSuite CG

Products and services

• MFC5150 HART Communicator Flagship handheld HART communicator that reads Device Descriptions without translations or subscriptions, built on SDC-625 infrastructure with Windows CE, 1 GHz processor, 4 GB Micro SD card, 4.3-inch touchscreen, and full QWERTY keyboard. Available in ATEX (intrinsically safe) and Non-ATEX models. Designed for process automation engineers and technicians configuring/maintaining HART transmitters.
• MFT 4010 Modular Calibrator Modular calibrator with HART communication capability for commissioning, configuring, and maintaining devices in flow, level, pressure, temperature, and valve applications. Targets process instrumentation technicians.
• MFT 4000 CE IS Multi Function Modular Calibrator Intrinsically safe multi-function modular calibrator with HART communication supporting pressure, temperature, RTD, and thermocouple measurement and simulation modules for hazardous location use.
• M2003 Series Smart Manometer (Industrial) Industrial smart manometer featuring min/max capture, data record, pressure measurement, averaging, and timed pressure tests for field measurement and process control.
• M1000 Series Smart Calibrator (Industrial) Handheld industrial calibrator with min/max capture, data record, pressure measurement, averaging, and timed pressure tests.
• M2000 Series Smart Manometer (Industrial) Industrial smart manometer with min/max capture, data record, pressure measurement, averaging, and timed pressure tests for field and process applications.
• M400 Single Sensor Handheld Pressure Transmitter Calibrator / Data Logger Handheld calibrator and data logger for pressure transmitters with single sensor configuration.
• M334 4-20 Milliamp Loop Calibrator Loop calibrator for 4-20 mA current measurement and simulation in process control applications.
• M1 Series Digital Manometer (M100/M101) Digital manometer available in ±0.25% (M100) or ±0.1% (M101) accuracy versions for industrial pressure measurement.
• M202 Precision Absolute Manometer Calibrator Precision absolute manometer calibrator for laboratory and industrial calibration applications.
• M200DI Wet/Wet Differential Pressure Smart Manometer Wet/wet differential pressure smart manometer for differential measurement between two liquid media.
• M200LS Lab Standard Smart Manometer Lab standard smart manometer for high-accuracy laboratory applications.
• meriGauge Plus Digital Gauge Digital pressure gauge with high accuracy specifications and multiple output options for process measurement and indication. Available in industrial and medical versions.
• M1500 Analog Pressure Transmitter Analog pressure transmitter for continuous pressure measurement in industrial process applications.
• MGF16BN Digital Pressure Gauge Digital pressure gauge for industrial and medical applications with multiple output options.
• MPG2000BBL Intrinsically Safe Digital Pressure Gauge Intrinsically safe digital pressure gauge for hazardous location applications.
• 1126P-2 Portable Indicator Portable indicator for pressure and process monitoring.
• 1120 Series Differential Pressure Units Differential pressure units for flow measurement and process monitoring applications.
• Accutube Averaging Pitot Tubes Wide range of averaging pitot tubes for gases, liquids, and steam with bi-directional flow capability. Includes Inline, Insertion, Flanged, and Wet Tap models for industrial flow measurement.
• 50MR2 Series Laminar Flow Element Laminar flow element for measuring low gas flow rates from 0.2 SCCM up to 2250 SCFM. Inherently accurate, repeatable, and calibrated traceable to NIST.
• 50MC2 Series Laminar Flow Element Laminar flow element for precise low gas flow measurement.
• MDT500 Multivariable Transmitter Multivariable transmitter for use with laminar flow elements, providing pressure, temperature, and flow measurements.
• Z10AA25WM U-Tube Manometers Basic U-tube manometer recognized by NIST as a primary standard due to inherent accuracy and simplicity. Constructed of ridged cast aluminum frame with hand bent glass U-tube.
• Z30EBX25/50 Well Type Manometer Direct reading well-type manometer for process monitoring, production testing, and laboratory measurement. Maximum line pressure of 250 PSI (500 PSI optional).
• 40HEX35 Inclined Tube Manometer Inclined manometer providing greater readability by stretching vertical differential along an inclined column. Individually calibrated with 350-PSI line pressure capability.
• 33KBX35 Multiple Tube Well Type Manometer Multiple tube well type manometer for differential pressure measurement in process applications.
• 951 Orifice Plate Precision bored concentric orifice plate with sharp upstream edge for primary flow element applications.
• 952 Orifice Flange Orifice flange providing convenient method for installing orifice plates.
• HPT100 Hydro Pneumatic Tester Second-generation pipeline integrity testing tool providing real-time measurements and data logging during hydrostatic or pneumatic pipeline tests. Powered by 12VDC with battery backup.
• PIT5000 Pipeline Integrity Tester Pipeline integrity tester for hydrostatic testing applications.
• M2004 Series Smart Manometer (Medical) Handheld medical smart manometer with protective blue boot, NIST traceability, data logging capability, and wide selection of pressure ranges for biomedical technicians servicing medical equipment.
• M1004 Series Smart Manometer (Medical) Medical-grade smart manometer for hospital and laboratory calibration and measurement needs.
• M204 Series Smart Manometer (Medical) Medical smart manometer for servicing and evaluation of medical equipment.
• M104 Series Digital Manometer (Medical) Medical digital manometer for pressure measurement in healthcare settings.
• M134 Series T/C Calibrator (Medical) Thermocouple calibrator for medical equipment servicing and calibration.
• Autoclave Analyzer Analyzer for autoclave validation and testing in medical facilities.
• M2001 Rotary Gas Meter Tester Rotary gas meter tester for calibration and testing of gas meters.
• M201 Rotary Gas Meter Tester Rotary gas meter tester for gas meter calibration applications.
• M203 Altimeter & Air Speed Indicator Tester Tester for altimeter and air speed indicator calibration in aerospace applications.
• M130 Series T/C Calibrator Thermocouple calibrator for industrial temperature measurement and calibration.
• Custom Calibration Tool Development Custom measurement and calibration tool development services including device customization, embeddable solutions, private labeling, and real-time data logging capabilities for OEM manufacturers.
• Repair & Calibration Services Factory repair and recalibration services with NIST traceability for Meriam products including $180 inspection fee if unit is not repaired or calibrated.
• Instrument Rental Program Instrument rental program allowing customers to rent measurement and calibration equipment for temporary needs, demos, or while units are being serviced.

Quantifiable outcome

• Measurement accuracy specifications: ±(0.005% of reading + 0.02% of full scale) total error band from -20°C to 50°C
• +2 more outcomes

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Western EnterprisescoreOthersParent company of Meriam brand products. Western Enterprises is a company of Marmon Holdings, Inc., which is a wholly owned subsidiary of Berkshire Hathaway.
• Scott & Fetzer CompanycoreOthersMeriam Instrument Company was sold to Scott & Fetzer Company in 1969. Today Meriam remains a Scott Fetzer Company.
• Marmon Holdings, Inc.coreOthersMarmon Holdings, Inc. is the parent company of Western Enterprises, which owns Meriam Process Technologies. Berkshire Hathaway is the ultimate parent company.
• OEM Manufacturers (Unnamed)minorOEM/ Whitelabel/ Licensing PartnerCustom measurement solutions for OEM manufacturers including private labeling capabilities, embeddable solutions, and customized firmware. Worked with ventilator companies and medical service companies for custom instrument development.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• MKS Instruments: Broad measurement and process solutions provider where pressure and flow instrumentation segments overlap with Meriam's offerings for industrial customers needing both process measurement and gas delivery systems.
• Endress+Hauser: Family-owned process instrumentation leader whose Cerabar and Deltabar pressure/flow lines compete with Meriam's industrial pressure transmitters, pitot tubes, and laminar flow elements as part of a much broader measurement portfolio.
• Yokogawa Electric Corporation: Process automation and instrumentation conglomerate offering pressure transmitters and field calibrators that compete with Meriam in oil & gas, chemical, and power generation accounts where Yokogawa's DCS relationships give it incumbency advantages.
• Emerson Automation Solutions (Rosemount): Rosemount 3051 pressure transmitters and 3051SFC flow devices compete with Meriam's industrial pressure measurement line at large process plants where Emerson's broader valve and control portfolio is the primary specification driver.

Direct peers

• Fluke Corporation: Fortive-owned handheld process calibrator and HART communicator franchise that directly competes with Meriam's MFC5150, MFT4010, and M-series pressure calibrators across the same plant-technician buyer base.
• Beamex: Finnish specialist in pressure, temperature, and field calibration whose handheld calibrators and calibration management software compete head-to-head with Meriam's M-series calibrators and meriGauge offerings.
• Ametek Calibration Instruments: Operates Jofra, Crystal Engineering, and M&M brands that produce pressure and temperature calibrators and dead-weight testers overlapping directly with Meriam's industrial calibration portfolio.
• WIKA Alexander Wiegand SE & Co. KG: Global pressure, temperature, and level instrumentation manufacturer whose digital pressure gauges and calibrators compete directly with Meriam's meriGauge, M-series manometers, and modular calibrator modules.
• Druck (Baker Hughes/Ralliant): Specialist in high-accuracy pressure measurement, calibration, and test instruments serving oil & gas and aerospace with product lines that overlap directly with Meriam's precision manometers and pressure calibrators.
• Ashcroft Inc. Long-established US pressure and temperature instrument manufacturer with industrial gauges and digital pressure indicators that overlap directly with Meriam's meriGauge Plus and manometer line within similar industrial customer segments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 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 Meriam Process Technologies