Measurement Windows for All XRF Analyzers

Replace Dirty or Damaged Windows to Keep Your XRF Analyzer Accurate

Every accurate reading your handheld XRF analyzer delivers starts with one small, easy-to-overlook component: the measurement window.

The XRF measurement window is the thin film that sits between the X-ray tube and the sample you're testing. It protects the internal optics of your XRF analyzer while letting X-rays pass through with minimal interference. A worn, torn, or contaminated window doesn't just look bad — it directly affects the accuracy of every test you run. Low readings, inconsistent results, and failed calibration checks often trace back to a measurement window that's overdue for replacement.

If you're noticing drift in your results, visible damage on the window film, or your analyzer just isn't performing the way it used to, it's probably time for a replacement XRF measurement window — not a full instrument repair.

Why the Measurement Window Matters More Than You Think

Handheld XRF analyzers are precision instruments, and the measurement window is one of the most heavily used components on the entire unit. Every single test — every trigger pull, every sample, every scrap piece, every soil sample, every solder joint — sends X-rays directly through that window.

Over time, the window film picks up scratches, punctures, dust, and general wear from constant contact with rough metal edges, gritty soil, and abrasive material surfaces. Prolene and Kapton windows are thin by design — that's what makes them X-ray transparent — but that same thinness means they don't last forever.

A damaged XRF measurement window can let in dust, moisture, and debris that contaminate the internal detector. It can also change how X-rays pass through to your sample, throwing off the elemental readings your business depends on. Whether you're doing PMI, scrap sorting, precious metals testing, soil screening, or RoHS compliance work, a compromised window puts the accuracy of every measurement at risk.

Replacing your XRF measurement window regularly isn't optional maintenance — it's part of keeping your analyzer running at the accuracy level it was built for.

Replacement XRF Measurement Windows for Every Major Brand

Whatever XRF analyzer you're running, chances are we carry the exact replacement measurement window it needs.

We stock genuine and compatible measurement windows for Thermo Scientific Niton, Olympus and Evident Vanta, Bruker, SciAps, Hitachi, Rigaku, Spectro, Viken Detection, Gemoro, and more. Prolene and Kapton film options are available depending on your instrument model and application requirements, so you're not stuck guessing which window fits your analyzer.

Every replacement XRF measurement window we sell is built to the same specifications as the original component — no compromises on film thickness, X-ray transparency, or fit. You get a window that performs like new, right out of the box.

Alloy Geek: The World's Top Producer of Premium XRF Measurement Windows

Alloy Geek isn't just a reseller of XRF parts — we're the world's leading producer of premium measurement windows for handheld XRF analyzers.

We manufacture our windows to exacting tolerances, using high-grade Prolene and Kapton film that meets or exceeds OEM specifications for every major XRF brand on the market. That means every measurement window that ships from Alloy Geek is built for the same accuracy, durability, and reliability that your analyzer was designed to deliver on day one.

Because we produce our own windows rather than relying entirely on third-party supply chains, we're able to keep more models in stock, ship faster, and offer replacement windows at a price point that makes routine maintenance affordable instead of a budget concern. Whether you're running a single analyzer in a small shop or managing a fleet of XRF units across multiple field teams, Alloy Geek has the measurement windows to keep every one of them performing at full accuracy.

XRF professionals across scrap metal recycling, precious metals, PMI, mining, environmental testing, and RoHS compliance trust Alloy Geek measurement windows because we understand what's actually riding on that thin piece of film — the accuracy of every test you run.

Shop Measurement Windows by Analyzer Model

Not sure which window your XRF analyzer needs? Browse by brand and model to find the exact replacement measurement window for your instrument, or reach out to our team and we'll help you get the right part the first time.

Keep your XRF analyzer reading accurately, test after test, with a genuine replacement measurement window from Alloy Geek.