Electrical Test Instruments, LLC, operating as ETI Precision, is a premier manufacturer, distributor, and service provider specializing in electrical test and measurement equipment. Founded in 1994 and headquartered in Frederick, Maryland, the company maintains a significant national presence with additional facilities in North Carolina and Texas. ETI Precision is a recognized leader in the production of rugged, high-current circuit breaker testers and AC/DC variable power supplies, serving as an OEM for critical power distribution testing tools.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Industry association memberMember of PEARL association.
Established brandFounded in 1994, with over 20 years of industry experience.
Contact
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Products
Onsite Electrical Calibration Services
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Specializing in nationwide onsite service - whether you want to send calibration equipment to our calibration labs or have our experts handle it onsite at your facility, our experts keep your equipment in top shape.
Emergency onsite repair services
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Our emergency onsite repair services are available for your urgent equipment issues.
Instrument repair
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We also offer expansive instrument repair and breaker tester retrofit services to extend the life of your critical equipment.
Customers
BOHN
223 shipments
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Certifications
ISO 9001
6
International Organization for Standardization 9001
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Key export market
🇲🇽 Mexico🇲🇽 Mexico
🇨🇱 Chile🇨🇱 Chile
🇵🇭 Philippines🇵🇭 Philippines
🇷🇺 Russia🇷🇺 Russia
🇨🇷 Costa Rica🇨🇷 Costa Rica
🇰🇪 Kenya🇰🇪 Kenya
🇺🇸 United States🇺🇸 United States
Shipments
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Export volume
0 kg
Export countries
0
Customers
0
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Tri-State Instrument Laboratory, established in 1959, is a Tulsa, US-based company operating as a manufacturer, distributor, and service provider of electrical and electronic instrumentation. With over 60 years of experience, the company employs 11 to 50 people and specializes in sales, service, calibration, and distribution. They are a factory-authorized center for modifying Hoyt and Simpson digital and analog meters and offer over 15 calibration services. Tri-State Instrument Laboratory manufactures voltage dividers and motor rotation and phase sequence indicators, alongside their own handcrafted TSW line of products. They also distribute a wide range of electronic test equipment and components, including megohmmeters, process calibrators, clamp meters, thermometers, multimeters, panel meters, ammeters, transformers, DC shunts, switchboard meters, power transducers, oscilloscopes, data loggers, and power quality analyzers. The company distributes products from leading manufacturers such as Amprobe, AEMC, Fluke, Extech, Hoyt, Ideal, Simpson, ThermoProbe, and Instrument Transformers Inc., catering to diverse industry needs with a focus on quick turnaround and continuous improvement.
Panel Meters
Multimeters
Thermometers
Clamp Meters
Calibration Services
Other Products
Panel Meters
Multimeters
Thermometers
Clamp Meters
Calibration Services
Process Calibrators
Byram Laboratories, Inc.
🇺🇸 United States
191011-50 peopleManufacturer/Distributor/Service Company
Established brand
Product customization
High-tech enterprise
OEM manufacturer
Shipments
1
Key customer
EQUIPELCO
Key market
Asia
Description
Byram Laboratories, Inc. is a premier manufacturer, distributor, and service provider of industrial instrumentation and energy technology solutions. Founded in 1910 and headquartered in Branchburg, New Jersey, the company has over a century of expertise serving the power generation, transmission, distribution, and process control industries. Operating with a workforce of 11 to 50 employees and generating approximately $8.5 million in annual revenue, the firm maintains a dual presence with additional facilities in Monroeville, Pennsylvania.
As a multifaceted organization, Byram Laboratories functions as an OEM and contract manufacturer with an in-house engineering team and a NIST-certified repair and calibration laboratory. Their extensive product portfolio includes electric meters (submeters, kWh meters, and smart meters), panel meters, current transformers, and pole-mounted assemblies. They also specialize in water and gas meters, alongside a comprehensive range of test equipment such as power quality analyzers, multimeters, and infrared imagers.
In addition to their proprietary Byram Labs brand, the company is a leading distributor for major industry manufacturers including Fluke, Megger, GE, Honeywell, and Elster. Their service capabilities extend beyond hardware to include AMI/AMR solutions, meter installation, data hosting, and SaaS offerings. Byram Laboratories provides global support through its modification center and calibration facility, ensuring high-quality standards for utilities and commercial clients worldwide.
Fluke 376 FC True-rms AC/DC Clamp Meter with iFlex
Panel Meters
NEW Byram Bundles
400:5 Split-Core Current Transformer | BL-4-400-RA005
3/4″ Smart Ultrasonic Water Meter
Fluke 87-5 Bundle | Byram Bundles
Calibration and Repair
Form 9S Meter and Socket kit
MCS 103372AGAG Analog Frequency Meter, 50 Center, 45-55 Hz