Waters equipment

About Waters

Waters is an American analytical instrument manufacturer specializing in liquid chromatography, mass spectrometry, thermal analysis, and rheometry. It was founded in 1958 by James Logan Waters in Framingham, Massachusetts, and incorporated as Waters Associates. The company initially focused on process control instrumentation before pivoting to chromatography after licensing Gel Permeation Chromatography technology from Dow Chemical. It operates from Milford, United States, as an independent publicly traded company (NYSE: WAT). As of July 2025, Waters announced a merger agreement with Becton, Dickinson and Company's Biosciences and Diagnostic Solutions business, pending completion. Its primary categories span liquid chromatography instruments, mass spectrometry instruments, thermal analysis and calorimetry hardware, rheometry instruments, chromatography columns and consumables, and laboratory informatics software.

The company's core work sits in separation science, where liquid chromatography and mass spectrometry are used together to identify and quantify the components of a sample. These platforms are central to proteomics, where peptide mixtures are separated and their masses measured to characterise proteins, and to metabolomics and molecular diagnostics, where the same chromatography and mass spectrometry workflow resolves small-molecule markers from biological matrices. High-resolution mass spectrometry systems such as the Synapt line support protein purification characterisation and biopharmaceutical analysis, work that underpins biomanufacturing and the quality control of biologic drugs. Thermal analysis instrumentation from TA Instruments measures how materials respond to heat, a technique applied in formulation and in the stability testing of protein and cell culture products.

Which Waters product lines are listed?

The Questpair catalogue carries the principal families that define the maker's range. The ACQUITY UPLC line represents the ultra-performance liquid chromatography generation, built for higher pressures and faster separations than conventional HPLC. The Alliance HPLC systems cover the earlier, widely installed platform that many labs still run as a routine workhorse. On the mass spectrometry side, the Xevo instruments serve targeted quantitative work while the Synapt platform handles high-resolution and ion-mobility applications. TA Instruments thermal analysis hardware and Wyatt Technology multi-angle light scattering detectors broaden the catalogue beyond the chromatography core. Alongside the instruments, columns and consumables appear as separate listings, which lets a buyer complete or maintain an existing method rather than acquire only the main unit.

Which family suits a given lab depends on the method rather than on any ranking of the hardware. A routine quality-control bench running established HPLC methods and a research group needing ion-mobility separations are looking at different parts of the same catalogue. The individual listing, with its configuration and condition detail, is where that decision is made.

Waters instruments on Questpair

The catalogue holds 659 Waters items from 16 verified suppliers and distributors, with stock spread across 8 countries. 98 percent of the listings are used. Prices range from EUR 1 to EUR 167.873, with an average near EUR 7.634, reflecting the gap between a single consumable and a complete mass spectrometry system. Used and refurbished instruments are listed below new pricing, and that price difference is the dependable distinction between the two conditions; warranty, where it applies, is arranged in consultation for the specific listing.

For buyers with needs beyond the listing itself, parts for Waters equipment can be sourced via Questpair, and requests for manuals and documentation reach specialists who respond within the hour. A buyer weighing a used instrument should confirm configuration and condition with the supplier before purchase, since a used-heavy catalogue places that verification with the individual listing. The breadth of families, the price spread, and the multi-country reach together make the catalogue a practical starting point for a lab extending or replacing Waters chromatography and mass spectrometry hardware.

Questpair review of Waters

Our take based on listings data and supplier feedback

Waters occupies a specific position in the analytical instrument market: a maker whose liquid chromatography and mass spectrometry platforms are deployed together often enough that a buyer sourcing one frequently needs the other. The Questpair catalogue reflects that. With 659 items from 16 verified suppliers and distributors, the inventory covers the instrument families a working lab actually assembles, rather than a thin selection of headline units.

The first benefit, breadth across product families, is the one that matters most for a lab replacing or extending an existing setup. The ACQUITY UPLC line and the older Alliance HPLC systems appear alongside the Xevo and Synapt mass spectrometry platforms, and the TA Instruments thermal analysis hardware extends the catalogue beyond separation science into calorimetry and rheometry. For a buyer standardising on one manufacturer across methods, that single-maker breadth reduces the compatibility guesswork that comes with mixing vendors. Columns and consumables listed alongside the hardware let a purchaser complete a method from one catalogue rather than chasing parts separately.

The second benefit is price depth, and here the catalogue distribution is unambiguous. 98 percent of the listings are used. Prices run from EUR 1 to EUR 167.873. That spread is wide because it covers everything from a single accessory at the low end to a complete, high-specification mass spectrometry system at the top, with an average around EUR 7.634. A used ACQUITY module and a used Synapt instrument sit in very different price bands, so the figure to watch is the individual listing rather than the catalogue average. Used and refurbished units are listed below new pricing, which is the concrete difference a buyer can rely on; where warranty matters, it is arranged in consultation for the specific listing rather than set centrally.

The third benefit, geographic reach, is easy to underrate until a specific configuration is needed. Stock across 8 countries means a particular detector pairing or a specific UPLC generation is more likely to surface somewhere in the catalogue than it would be within one national market. That reach also matters for older platforms. The Alliance HPLC line has a long installed base, and parts and complete units for it continue to appear as labs upgrade.

What the catalogue does not resolve on its own is condition verification, and that is the honest limit of a used-heavy inventory. A buyer evaluating a used mass spectrometer should treat the listing detail as the starting point and confirm specifics with the supplier. Parts can be sourced via Questpair, and documentation requests reach specialists who respond quickly, which covers the two needs that most often arise after a used purchase. For a lab that already runs Waters methods and wants to extend or replace hardware without paying new-instrument prices, the catalogue is a practical match to that need.

**Deep inventory across every Waters product family**

Listings span the ACQUITY UPLC, Alliance HPLC, Xevo and Synapt mass spectrometry lines, and TA Instruments thermal analysis hardware, with 659 items drawn from 16 verified suppliers and distributors.

**Pricing that reaches far below new-instrument cost**

98 percent of the listings are used, and prices run from EUR 1 to EUR 167.873, so a buyer can match a budget to a complete system or to a single module.

**Cross-border sourcing from a single catalogue**

Stock sits across 8 countries, which widens the pool of available configurations beyond what a single national supplier typically holds.