Frequency Counters
Manufacturers & Services
Test Equipment & Calibration (new & used)

This list includes both companies that manufacture test equipment and companies that distribute test equipment and/or provide calibration services (although some manufacturers provide re-calibration services for their equipment). For a narrowed-down list of specific types of test equipment, click on one of the links in the list below.

Advanced Test Equipment Rentals | 800-404-2832 | San Diego, CA

Offers custom rental, sale and lease solutions for test and measurement requirements with off-the-shelf inventory including AC power testers, amplifiers, analyzers, calibrators, datalogging, environmental test, inspection, lightwave, meters, network test tools, oscilloscopes, power supplies, recording, RFI/EMC/EMI, signal generators, video/CATV.

Alliance Test Equipment | 888-505-8378 | Milford, MA

Provides sales, rentals and leasing of refurbished electronic test and measurement equipment to the R&D, manufacturing and quality assurance industries.

Alternative Test Equipment | +44 (0)845 345 7791 | UK

Sale and rental of quality, reconditioned test and measurement equipment including network analysers, oscilloscopes, power supplies, signal analysers, signal generators, spectrum analysers, telecoms, TV and video, wireless comms.

Anritsu | 800-267-4878 | Richardson, TX

Connectors, adapters, coax cable, terminations, attenuators, spectrum analyzers, vector network analyzers, power meters, signal generators and synthesizers and frequency counters, noise figure, optical test and measurement equipment, Bluetooth.

Applied Quality Test | 408-531-5300 | San Jose, CA

Used surplus idle electronic test equipment - We buy & sell all types of general purpose used test equipment throughout the USA.

Berkeley Nucleonics Corporation (BNC) | 800-234-7858 | San Rafael, CA

Manufacturer of precision electronic instrumentation for test, measurement, and nuclear research. Pulse and delay generators, microwave/RF signal generators and synthesizers, phase noise testers, signal and spectrum analyzers, impedance, light pulse, and arbitrary waveform generators, oscilloscopes, frequency counters, radiation and scintillation detectors, isotope detectors, and more.

Calright Instruments | 866-363-6634 | San Diego, CA

Quality new and used electronic test and measurement equipment including analyzers, counters, timers, meters, oscilloscopes, and more.

Consultair | +33 1 30 97 89 30 | France

Buy/sell/rent/trade new and used electronic test & measurement equipment for aeronautics civil and military, spare, repair, measure instruments, maintenance solutions, electronic components.

Elmika UAB | +370 5 233 34 26 | Vilnius, Lithuania

Mm-wave measurement instruments (Sweep generators, SNA, VNA, direct reading attenuators) mm-wave waveguide components (couplers, tees, bends, twists, horns, detectors, mixers, ...), waveguide components and assemblies for wireless applications.

Fluke | 800-443-5853 | Everett, WA

Digital multimeters, basic electrical testers, insulation resistance testers, ScopeMeter® Test Tools, clamp meters, process calibration tools, gas measurement, temperature, power quality tools, MicroTools, cable testers (VDV), data acquisition, instrument calibrators, process calibrators, oscilloscopes, timer/counters, signal sources, RCL meters, TV/video generators, bench meters.

Global Test Supply | 888-610-7664 | Wilmington, NC

Buy, rent, rent-to-own, and sell refurbed and save $$$. Quality, warrantied, refurbed TE from Agilent, Tektronix, Fluke, Anritsu, & more.

Instrument Rental Labs | 303-469-5335 | Broomfield, CO

Rental & sales of electronic test equipment, spectrum analyzers, meters, power supplies, oscilloscopes.

Kandel Electronics | 800-582-TEST (8378) | Oreland, PA

Buy and sell used test equipment. 1000s of items in stock. On-site calibration lab with NIST traceability. Flexible purchase options.

Keysight Technologies | 800-452-4844 | Santa Clara, CA

Basically, everything for every kind of testing need. Test equipment, racks, cables, adapters, amplifiers, cables, RF switches, spectrum analyzers, network analyzers, communications test sets, multimeters, EEsof EDA products.

LabX | 888-781-0328 | Canada

Online auction and classified marketplace for scientific equipment including laboratory, electronic test equipment, and semiconductor ads. An alternative to eBay featuring flat rate to post ads & free wanted ads.

Megown Test and Measurement | 800-442-5835 | Roseville, CA

Sells, rents, and leases new and reconditioned test and measurement equipment direct to end-users, providing superior products at the lowest price and in the shortest time frame. Sophisticated product inspection and testing process and state-of-the-art calibration lab. We are always interested in purchasing late-model test and measurement equipment.

MetricTest | 800-432-3424 | Hayward, CA

New & refurbished electronic test equipment including oscilloscopes, analyzers, generators, meters, counters, power supplies, equipment racks, wireless & optical test equipment.

Naptech Test Equipment | 800-336-7723 | Lower Lake, CA

Sell-rent-lease-buy-trade quality reconditioned test equipment.

Pendulum Instruments | +46 (0)8 598 510 00 | Bromma, Sweden

+1 510-428-9488 | Oakland, CA

Our products, which are developed and manufactured in-house, can be divided into four main categories: Time & Frequency Counters, Time & Frequency Standards, Synchronization products and Wireless products. Today we cooperate with major telecom operators and equipment manufacturers, military customers as well as test system builders and R&D groups in the electronic industry in general.

Phase Matrix | 408-428-1000 | San Jose, CA

RF and microwave test and measurement instruments, subsystems, and components. Benchtop frequency counters, modular (VXI) pulsed frequency counters, and modular (VXI and PXI) synthetic instruments including down/up converters, synthesizers, and LOs for both commercial and military applications. Instrument-grade, fast-switching synthesizer modules. Narrowband and broadband microwave components, ranging from VCOs to complex custom-built assemblies for military instrumentation and telecommunications applications.

Rohde & Schwarz | 888-837-8772 | Columbia, MD

Test & measurement, radio communications, broadcasting, antennas, IT security, signal intelligence, spectrum monitoring, trunked radio. RF signal generators, spectrum , network, and communications analyzers, digital and mixed signal o-scopes, power and field strength meters, amplifiers, frequency counters, arbitrary waveform generators.

Test Equipment Connection | 800-615-8378 | Lake Mary, FL

We buy and sell bench top, general-purpose test and measurement equipment. We can save you between 30-70% off of the new list prices. We budget $2,000,000 for the purchase of surplus equipment each month. Audio analyzers, frequency counters, power supplies, network analyzers, LCR analyzers, RF signal generators, spectrum analyzers, logic analyzers, impedance analyzers, pulse generators, -o-scopes, plotters.

Saelig Company | 585-385-1750 | Fairport, NY

Sells and supports a wide range of electronic control and instrumentation equipment and components to customers for industrial, military, educational, medical, and individual end-users. O-scopes, spectrum & network analyzer, power meters, waveform generators, DMMs, amplifiers, power supplies, antennas, much more. Saelig has earned a growing reputation for having notable products not found elsewhere.

Spectra Test Equipment | 800-716-2421 | Mountain View, CA

Rental, Purchase or Lease. We offer a wide selection of electronic instruments from all the leading manufacturers. Instrumentation types cover virtually all electronic, optical, microwave test items. Calibration and repair of our electronic instruments is performed in our in house NIST traceable calibration lab.

TestBuyer | Southfield, MI

With our easy-to-use interface and constantly growing database of equipment, you can quickly find and compare test and measurement equipment that best suits your applications. There are quick links to the manufacturers' specifications, brochures, and technical data sheets on our site - in one convenient location.

Test Equipment Depot | 800-517-8431 | Melrose, MA

New & used electronic test equipment.

Test Equipment Solutions | +44 (0)1753 596000 | UK

Supplier of quality second user Test Equipment and low cost rental of the same.

Test Equipment Solutions Today | 888-663-4710 | Foster City, CA

High-quality refurbished test and measurement equipment from such manufacturers as Agilent, Acterna, Advantest, Anritsu, Boonton, Fluke, Gigatronics, Hewlett Packard, IFR, Keithley, Marconi, Rohde & Schwarz, Sorenson, Spirent, Tektronix, TTC, Wavetek, and Wiltron.

TestEquity | 800-950-3457 | Thousand Oaks, CA

New & reconditioned test equipment, sales & rentals. Authorized Agilent, Tektronix, Rohde & Schwarz, Fluke, Xantrex, Instek, QuadTech distributor. Mfr of environmental chambers, temperature & humidity.

TestQuote, LLC | 561-540-2878 | Hypoluxo, FL

Reconditioned test & measurement equipment marketplace where you choose the purchase, sale, rental, or lease price.

Testwall Ltd | +353 (0)1 2190235 | Dublin, Ireland

Pre-owned test equipment and rental including spectrum analyzers, network analyzers, logic analyzers, oscilloscopes, power supplies, frequency counters, signal generators, synthesizers, data communications test equipment.

Tucker Electronics | 877-667-6044 | Garland, TX

New and refurbished electronic test & measurement instruments and environmental chambers including digital multimeters/voltmeters, function generators & waveform synthesizers, network analyzers, oscilloscopes, power supplies, spectrum analyzers.

Used-Line | Southfield, MI

Search engine for buyers of used, refurbished and surplus test & measurement, lab and semiconductor manufacturing equipment.

Western Test Systems | 800-538-1493 | Cheyenne, WY

We offer a full range of refurbished and guaranteed coaxial and waveguide test hardware DC-110+ GHz. All items tested and warranted for ninety days. Fast delivery from stock. All major credit cards accepted.