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Spectrum, vector, network, and signal analyzers are available and ready to ship! Apex Waves stocks discontinued analyzers from Anritsu, National Instruments, and Tektronix. Call today for a quote!



Counters from Anritsu, Agilent, National Instruments, & Tektronix are available today. 
Call for Best Pricing!

DC Electronic Loads

Apex Waves sells used Direct Current (DC) Electronic Loads by HP/Agilent. DC Electronic Loads can be used to assess many types of DC power sources in applications such as utility, telecommunications, troubleshooting, maintenance, and manufacturing.  


Apex Waves sells numerous types of used, discontinued, and obsolete demultiplexers from popular manufacturers. Demultiplexers can be used for data acquisition, audio signal routing, battery powered systems, and other applications. They are instruments that can take one signal transporting numerous payloads and separate it into a few streams. 


Legacy & Vintage

Apex Waves offers a lot of discontinued and obsolete products. For legacy products, check our listings and availability to see what's around.



Apex Waves stocks new, refurbished, and used digital, handheld, and LCR meters from National Instruments, HP/Agilent/Keysight, and Tektronix. Apex Waves warranties all products.

Modular Systems

We sell used modular test systems from a variety of popular manufacturers such as National Instruments, Agilent VXI, and Tektronix. Modular systems are tailored to suit your specific requirements and budget, since they involve flexible parts. The modular systems we sell include cDAQ and cRIO controllers, C Series modules, Switch modules, Frame Grabbers, PXI Controllers, and more. 


We sell a variety of used, discontinued, and obsolete multiplexers from common manufacturers like National Instruments and Anritsu. Features vary from model to model, but many multiplexers offer durability in challenging environments, variable data rates, local or remote operation, multiple ports, and the capability to be rack-mounted. We stock discontinued PXI Multiplexer Switch Modules. Call or Email for Pricing!



We have obsolete and discontinued oscilloscopes in stock from top manufacturers: National InstrumentsTektronixKeysight/Agilent/HPFluke
 and more!

Power Supplies by HP Agilent In Stock Up to 50% Off Free Shipping & Warranty! 

Power Supplies

DC Power SuppliesAC Power Supplies, Replacements for ATE, Rack Systems, & Standalone units! Apex Waves stocks new, refurb and warranties all products.


Apex Waves sells numerous types of used and discontinued probes by National Instruments, HP/Agilent/Keysight, and Tektronix. We have active, current, logic, voltage, and differential probes in stock. 


Signal Generators

Signal generators, frequency, function & waveform generators from National Instruments, Agilent, and Tektronix are in stock & ready to ship. 


 Test & Measurement Misc

Along with our other parts, we also sell many popular types of miscellaneous test equipment, which includes calibration kits, accessories, amplifiers, and more. 



VXI Bus Mainframe & boards VME controllers from Agilent, National Instruments, Tektronix, and HP, are all available. 

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We pride ourselves on our no hassle and pleasant customer service, low prices, unparalleled warranty period, and ability to ship same day.