Teledyne 350, 351, 352, 353, 354, 355 are oxygen analyzers that provide continuous and specific monitoring of oxygen. Each model is a fully independent unit designed to monitor the oxygen content of an atmosphere to which its sensor is exposed.

• Model 350: Simple, lightweight unit with an easy-to-read analog meter. No batteries or electronic circuitry.

• Model 351: Features of Model 350 with the addition of a fixed low-level alarm.

• Model 352: Features of Model 351 with the addition of fully adjustable high- and low-level alarms.

• Model 353: Digital Liquid Crystal Display (LCD) instead of analog meter. Fixed low-level alarm that can be silenced for 30 seconds.