The next generation of XRF
The SciAps X-550 sets a new performance standard for handheld XRF. Weighing 2.8 lbs. with the battery, it’s the lightest, fastest, most articulate X-ray gun ever made. It delivers the small size, blazing speed and high precision of the SciAps X Series in a perfectly balanced device. Fast on all alloys, including aluminums, it’s optimized for low atomic number measurement applications including sulfidic corrosion (low Si), phosphorus and sulfur, and aluminum alloys, as well as for residuals analysis, per API 751 and 5L specifications.

  • Delivers PMI for most alloys in 1 second with excellent precision.

    Some NDT-PMI applications require longer tests, or multiple beam tests. Our Android apps-based platform provides pre-configured, dedicated apps to make quality testing by every operator as easy as using a smartphone – including apps for residuals (API 751), sulfidic corrosion (API 939), API 5L and other testing.

  • Designed for NDT, PMI users to access hard-to-reach test locations and welds.

    Perfectly balanced, light weight, and articulate, you can test all day long without fatigue. The narrow footprint that permits total access to virtually any test location and weld. 

  • Powerful, miniaturized X-ray tube excels at low atomic number elements Si, P, S, Mg and Al.

    Combined with highly optimal internal geometry, it yields fast, precise results on previously challenging low atomic number elements, for a variety of more challenging alloy verification work.

Measure 0.1% Si in steels in <7 seconds!
Sulfidic corrosion per API 939

The Details

Fast, precise tests with SciAps X-550

SciAps X-550 analyzes common alloys in 1 second or less. For alloys requiring longer test times or two-beam analysis, pre-configured on-board apps assure quality testing by every operator. Tap the Residuals App, for example, and the analyzer uses pre-set testing times to measure low concentrations of Cr, Cu and Ni, then calculates the sum. Operators won’t be adjusting test times in the field, or generating insufficient data quality due to incorrect testing times. Our patent-pending Aluminum App is optimized for both low atomic number elements and transition metals for ultra-fast, highly specific verification of the many similar aluminum grades.

Grades 3003/3004/3005, cast 356 and 357, and 2014/2024 are just a few examples that are easy for the X but often confound other X-ray guns. 

Connectivity and Android

The X Series is built on Google’s Android platform for real-time data exporting anywhere on the planet. The user interface has the feel of a smartphone with results easily viewed on a vibrant display and reversible light/dark for all lighting conditions. Built-in Wifi, Bluetooth, GPS and USB mean that users can print and email from the X and connect to virtually any information management system for efficient test data and reporting.

Need carbon?

For users who need to also measure carbon in steels, stainless and cast iron, SciAps manufacturers the Z — the world’s only handheld laser system (LIBS) capable of measuring carbon content low enough to separate L and H grade stainless. SciAps Z has achieved global acceptance with nearly 1,000 units delivered. The Z also analyzes beryllium, boron and lithium in alloys. Packaged together with shared accessories in the One-Box, the X and Z provide optimal performance for virtually every alloy and element, and for less money than a comparable spark OES system.


2.8 lbs. with battery


7.25″ x 10.5″ x 4.5″


On board rechargeable Li-ion battery, rechargeable inside device or with external charger, AC power, hot-swap capability (60s max swap time).


2.7-inch color capacitive touchscreen — 400 MHz Qualcomm Adreno 306 2D/3D graphics accelerator.

Comms/Data Transfer

Wifi, Bluetooth, USB connectivity to most devices, including SciAps ProfileBuilder PC software.


Password protected usage (user level) and internal settings (admin).


CE, RoHS, USFDA registered, Canada RED Act.

Excitation Source

40 kV, 200 uA Rh anode and 10kV, 500 uA for alloy testing, 50 kV, 200 uA Au anode for most other apps.


20 mm2 silicon drift detector (active area), 140 eV resolution FWHM at 5.95 Mn K-alpha line.

X-Ray Filtering

4 position filter wheel for beam optimization.

Processing Electronics and Host Processing

1.2GHz quad ARM Cortex A53 64/32-bit, RAM: 2GB LP-DDR3, Storage: 16 GB eMMC (storage).

Pulse Processor

12 bit with digitization rate of 80 MSPS 8K channel MCA USB 2.0 for high-speed data transfer to host processor. Digital filtering implemented in FPGA for high throughput pulse processing 20 nS – 24 uS peaking time.

Environmental Temp. Range

10°F to 130°F at 25% duty cycle.


Fundamental parameters. For Geochem and Environmental Soil apps, users may also choose “Compton Normalization” method and/or use empirically derived calibrations.

Calibration Check

External 316 stainless check standard for calibration verification and energy scale validation.

Analytical Range

32 elements standard, specific elements vary by app. Additional elements may be added upon user request.

Available Apps

Alloy, Geochem (Mining), Empirical, Environmental apps. New apps are added regularly.

Grade Library

Standard library contains 500+ grades, no practical size limit. Multiple libraries supported, grades may be added on analyzer or via PC software package (ProfileBuilder).

This page was updated on November 11th, 2019