If you've started shopping for a nitrogen generator, there's a good chance Peak Scientific's name came up first. Peak has built a serious global footprint since launching in 1997, with direct operations in more than 25 countries and over 700 employees worldwide. The Solaris XE carries that brand weight, and it's earned a default spot on a lot of lab equipment shortlists.
But Peak isn't the only serious option, and it's not even the most established one. Claind, the Italian gas generator manufacturer that Organomation represents across North America, has been designing and manufacturing nitrogen generators since 1979 — nearly two decades before Peak existed — with more than 20,000 installations worldwide and an ISO 9001-certified manufacturing process. Claind just hasn't built the same name recognition in the U.S. yet. That's a visibility problem, not a performance one. Spec for spec, the NITRO 35 holds its own against the Solaris XE, and in a few categories, it's the better buy.
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1. Purity ceiling. The NITRO 35 generates nitrogen up to 99.99% purity. The Solaris XE caps out at 99.5%. For straightforward LC-MS nebulizing and drying gas, 99.5% is genuinely sufficient — most LC-MS systems run fine on nitrogen in the 99% to 99.5% range. But labs running GC or GC-MS carrier gas, or multi-instrument labs that don't want to manage two different nitrogen sources, need to look past LC-MS minimums. GC carrier gas applications typically call for nitrogen closer to 99.999% purity, and a generator that only reaches 99.5% simply isn't an option for that workflow. The NITRO 35's higher ceiling gives it more headroom across a wider range of instruments without an upgrade.
2. Warranty coverage. Two years on the NITRO 35 versus one year on the Solaris XE. That's not a small gap. A second year of manufacturer coverage on a piece of equipment that's expected to run unattended, every day, for years, is real protection — and it signals how confident Claind is in the build.
3. Control interface. The NITRO 35 includes a digital display and touch screen. The Solaris XE has neither. If you're monitoring purity, pressure, and flow throughout the day — and you should be — a digital interface you can actually read at a glance matters more than it sounds like on a spec sheet.
4. Footprint and weight. This is the one category where the Solaris XE wins outright. At 33 lbs. and a low-profile 26 x 13.5 x 6 in. footprint, it's built to tuck under a bench or shelf. The NITRO 35, at 154 lbs. and 29 x 10 x 36 in., needs dedicated floor space. If bench real estate is the constraint, that's a legitimate point in Peak's favor.
5. Output pressure. The Solaris XE pushes higher max pressure — up to 116 psi versus 94 psi for the NITRO 35. Most LC-MS and GC applications don't need anywhere near that ceiling, but if your workflow does, it's worth noting.
The list price ranges overlap — $9-10k for the NITRO 35, $10-14k for the Solaris XE — but the Solaris XE's range stretches meaningfully higher. Given that flow rate is identical and the NITRO 35 actually purifies to a higher standard, that's a harder price tag to justify for a lot of labs, especially ones not constrained by under-bench space.
Part of why Peak's name carries weight is simple exposure — it's the brand most North American labs have seen first. But longevity and installed base matter just as much as marketing reach. Claind was founded in Lenno, Italy, on the shores of Lake Como, by an electronics technician who started out building automation systems for pharmaceutical processes before specializing entirely in gas generation. Over more than four decades, that focus produced a catalog purpose-built for GC, GC-MS, LC-MS, TOC, and ICP applications, plus a customer base that now includes UK universities and analytical labs across Europe, the Middle East, and Asia.
Organomation represents that engineering directly to North American labs, and we back it with the same support structure we put behind our own instruments: lifetime technical support, free virtual training, a 100% money-back performance guarantee, and the standard 2-year warranty already built into the NITRO 35.
If under-bench space is your hard constraint, the Solaris XE's footprint is genuinely hard to beat. But if you're comparing these two units on what they actually do — purity, warranty, and the ability to read your generator's status without guessing — the NITRO 35 comes out ahead, at a lower price. Peak Scientific earned its name. Claind has just been quieter about earning the same results.
Download the full generator comparison here.
Have questions about whether the NITRO 35 fits your lab's specific flow and purity needs? Reach our sales team at sales@organomation.com or call +1 (978) 838-7300.