Beckman F3 Oxygen Analyzer 0-5% 0-10% 0-25% Multi-Range O2 Analyzer

Beckman F3 Oxygen Analyzer 0-5% 0-10% 0-25% Multi-Range O2 Analyzer

The Beckman F3 is a multi-range oxygen analyzer designed for industrial process monitoring and gas analysis applications. It offers three selectable measurement ranges — 0–5%, 0–10%, and 0–25% O2 — making it adaptable to a variety of process atmospheres where percent-level oxygen concentration needs to be tracked. The unit is housed in a rugged painted metal enclosure with foam-lined door and an internally mounted sub-chassis carrying the sensing, signal conditioning, and terminal wiring components.

Specifications & What's Included

• Make: Beckman Instruments
• Model: F3
• Instrument Type: Percent Oxygen (O2) Analyzer
• Measurement Range 1: 0–5% O2
• Measurement Range 2: 0–10% O2
• Measurement Range 3: 0–25% O2
• Form Factor: Enclosure-mounted (painted metal enclosure with foam-lined door)
• Internal components visible: terminal strip with multi-conductor wiring, transformer, sealed metal module/junction box, two circular sensor ports on upper internal panel, and a small PCB on the door interior
• Included: analyzer unit in enclosure only — no additional cables or accessories observed

Applications

Percent-range oxygen analyzers like the Beckman F3 are used to monitor oxygen concentration in industrial process streams, combustion control systems, inert gas blanketing, fermentation vessels, and controlled-atmosphere storage or processing environments. Beckman Instruments was a prominent manufacturer of analytical and process instrumentation through the mid-to-late twentieth century, and the F3 series reflects the company's focus on rugged, enclosure-housed analyzers suited to plant-floor and laboratory environments. This type of instrument is typically installed where continuous or on-demand O2 monitoring is needed to maintain process safety, product quality, or combustion efficiency — for example, in chemical processing, food packaging, heat-treating furnaces, or gas mixing systems. Units like this remain relevant in facilities maintaining older process lines or seeking cost-effective replacement analyzers compatible with legacy installations.