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The Environics® Series 2000 Computerized Multi-Component Gas Mixer automatically blends and dilutes gases to generate precise gas calibration standards, create gaseous atmospheres or produce gas mixes for analytical research or production purposes.

The Series 2000 dynamically produces complex mixes containing up to eight(8) individual component gases in a balance gas. Each component concentration may be independently varied in response to user commands. The Series 2000 can produce gas concentrations from percent levels to ppb for single or multi-point calibration of gas chromagraphs, process gas analyzers, mass spectrometers, FTIR's and other gas analytic devices. The Series 2000 consists of a single chassis supporting up to nine (9) mass flow controllers, a serpentine pre-mix zone and a zero dead-space final mixing zone. Gas wetted surfaces are electro- polished 316 stainless steel. Seals are gas-compatible elastomer. User interface includes a backlit 80 character by 25 line liquid-crystal display and membrane keypad.

The instrument's mass flow controllers are factory calibrated using a primary flow standard traceable to the United States National Institute of Standards and Technology (NIST). The calibration data consists of an eleven-point comparison of commanded versus actual flow with linear interpolation between the points.

The Series 2000 is available in either a standard rack mount or bench top configuration. The optional RS-232 serial data interface permits remote or computer operation of the instrument.

• Simultaneous 8 component dynamic mixing, with automatic computation of component and balance gas flows, allows the user to formulate complex gas standards and vary the concentration of each individual component at will.
• Multi-component capability permits the user to generate a wide range of complex standards with a minimum inventory of expensive, long lead-time, multi-component gas cylinders. Save on gas costs, cylinder rental and handling labor.
• Internally-stored mass flow controller calibration data improves accuracy.
• High capacity memory permits storage and recall of up to 200 multi-component "recipes" saving time and reducing errors.
• 25 line by 80 character display permits viewing of data in worksheet form.
• Modular design allows adding additional gas circuits later, reducing initial investment and protecting against obsolescence.
• RS-232 Serial Data Interface permits remote operation and complete integration with a computer-controlled system.