Top Test & Measurement Equipment Brands We Trust at ProTech Supply

Top Test & Measurement Equipment Brands We Trust at ProTech Supply

In the world of electronics, industrial diagnostics, R&D, and laboratory engineering, accuracy is everything. Whether you’re validating a production system, tuning a circuit, troubleshooting field equipment, or running complex data acquisition experiments, your tools must deliver precision you can trust.


At ProTech Supply, we specialize in sourcing high-quality test & measurement equipment from the industry’s most respected brands. These manufacturers are known worldwide for engineering reliability, long service life, and strong aftermarket support — making their instruments ideal for both new investment and refurbished resale.

Below are the top brands we carry and trust.

 


Keysight Technologies

 


Keysight (formerly part of Agilent) remains one of the global leaders in high-performance test equipment. Their instruments are widely used in RF, microwave, communications, semiconductor testing, and advanced electronics.


Popular equipment types:

  • Oscilloscopes

  • Signal analyzers

  • Network analyzers

  • Arbitrary waveform generators

  • Bench multimeters

 

Why we like them:

Keysight instruments are known for exceptional accuracy, long-term reliability, and deep feature sets.

 


Tektronix

 

Tektronix is a benchmark brand for oscilloscopes and lab measurement equipment. They serve industries from aerospace to electronics manufacturing and education.


Popular equipment types:

 

  • Digital oscilloscopes

  • Logic analyzers

  • Power analyzers

  • Signal generators

 

Why we like them:

Tek scopes are intuitive, durable, and ideal for both field service and research labs.

 

Rohde & Schwarz

A German powerhouse, Rohde & Schwarz dominates the RF, microwave, 5G/6G, wireless communications, and spectrum analysis markets.

Popular equipment types:

 

  • Spectrum analyzers

  • Network analyzers

  • Signal generators

  • RF communications test sets

Why we like them:

Their precision RF gear is some of the best in the world — perfect for telecom, defense, aerospace, and advanced R&D.

 

 

Fluke

Fluke is the gold standard for rugged field test equipment. Their meters and portable instruments are used by technicians everywhere.


Popular equipment types:

 

  • Digital multimeters

  • ScopeMeters

  • Clamp meters

  • Electrical test tools

  • Calibration equipment

Why we like them:

Fluke delivers durability, consistency, and the kind of reliability a field tech can count on.

 

National Instruments (NI)

NI specializes in modular and automated testing. Their PXI systems and DAQ modules power everything from manufacturing QA to scientific research.


Popular equipment types:

  • PXI modules

  • cDAQ systems

  • LabVIEW-controlled instruments

  • Automated test benches

 

Why we like them:

NI gear is flexible, programmable, and perfect for integration into automated workflows.

 


Rigol, Siglent, Hantek, UNI-T — Value-Focused Leaders

While the big names dominate enterprise labs, mid-range brands like Rigol, Siglent, and UNI-T are beloved for their affordable, high-performance instruments.


Popular equipment types:

 

  • Entry-level and mid-range oscilloscopes

  • Handheld meters

  • Budget spectrum analyzers

  • Educational lab kits

 

Why we like them:

These brands offer excellent performance at competitive pricing, making them ideal for startups, education labs, and technicians seeking cost-efficient tools.

 

We choose brands based on performance, reliability, and real-world demand from engineers, researchers, and technicians. When we acquire, refurbish, or resell test equipment, we ensure it meets high standards for:

  • ✔ Accuracy

  • ✔ Signal integrity

  • ✔ Calibration readiness

  • ✔ Physical condition

  • ✔ Firmware/functional checks

  • ✔ Industry-standard reliability

Whether you’re equipping a new lab or upgrading an existing bench, these brands provide the quality and long-term dependability you deserve.


Looking to Equip or Upgrade Your Test Bench?

ProTech Supply has access to a wide range of test & measurement instruments — from oscilloscopes to power meters to DAQ systems. If you’re searching for something specific, or want to liquidate surplus equipment, we can help.

 

 Visit us at ProTechSupply.com

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