Refurbished Function Generators — 4 Deals

4 open-box and refurbished Function Generators deals are live for shoppers in the US right now, with discounts averaging 39% off retail. Prices range from $7 to $92, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include Koolertron, NOYITO, OWON and Yuecoom. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

4 live US listings.

USA

Koolertron

Koolertron Upgraded 30MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (30MHz)

Used – Acceptable

$61⁶⁷

$138.89

-56% Save $77.22

Update: 16 hours 50 mins

Buy at Amazon.com

USA

OWON

OWON Waveform Generator,30MHz Bandwidth, 125MSa/s Sampling Rate, 14 bits Vertical Resolution, 8K Waveform Length,5 Basic Waveforms, and 160 built-in Arbitrary Waveforms, with 3.6IN LCD Display DGE1030

$91⁰⁸

NOYITO AD9833 Programmable Microprocessor Serial Interface Module Sine Square Wave DDS Signal Generator

$7⁰⁵

ABS DC 0‑10V Voltage Signal Generator, High Accuracy Adjustable Voltage Signal Simulator, Multiple Protections Voltage Simulator for Electrical Machiner

$12²⁸

Function Generators open-box FAQ

How much can I save on open-box Function Generators?

Discounts on Function Generators at OpenBoxFox currently average 39% off retail across 4 live listings, with prices from $7 to $92. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Function Generators safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Function Generators brands are on sale open-box right now?

The most-listed brands in Function Generators at the moment are Koolertron, NOYITO, OWON and Yuecoom. New open-box inventory arrives daily, so brand availability changes often.

How often are Function Generators deals updated?

OpenBoxFox syncs Function Generators inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.