Enhanced optics and user-friendly interactive display enable you to quickly and accurately determine your fuel quality at the pump, at the rack, at the terminal and in production.

A stand alone kit, for State Government regulatory Agencies, pipelines, fuel labs, terminals, research, facilities, repair shops, fuel cleaner service providers

2 additional wavelengths in the optics for improved calibrations and increased accuracy for Biofuels and a new military spec case

The ZX-101SQ has added a large color display for ease of use

When it comes to portable octane testing, there is simply no other choice. Over 42 State Governments and 50 countries world wide rely on the Zeltex ZX-101 Family of Analyzers to protect their constituents from poor quality fuels. Whether you are looking for Octane, Ethanol Percentage or the percentage of Bio Diesel in Petroleum Diesel Fuels, Zeltex remains the only choice.

Across the United States and the world, the Zeltex line of Whole Grain Analyzers has proven their mettle