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Sierra shows engine air intake flow meter

A Sierra Instruments product story
Edited by the Engineeringtalk editorial team Nov 20, 2008

Sierra Instruments' Emissions Systems Division will show its Air-Trak Model 628S Engine Air Intake Mass Flow Meter at the Automotive Testing Expo in Novi, Michigan on 22-24 October 2008.

The Air-Trak Model 628S, originally designed to work specifically with Sierra's Model BG-3 Partial Flow Sampling System as an extremely fast, accurate, and repeatable engine air intake mass flow meter, is now offered across the board in all engine testing applications.

Air-Trak is specifically designed to measure engine air intake mass flow rate.

Air-Trak is specifically designed to measure engine air intake mass flow rate.

Air-Trak is specifically designed to measure engine air intake mass flow rate.

The meter uses Fast-Flo Sensor Technology for a 200 millisecond response-time making it ideal for the toughest transient test cycles.

Integral Dual-Plate laminar flow conditioning elements and a 15:1 turndown make Air-Trak suitable for the constrained piping environments commonly found in today's engine test cells.

In addition, the microprocessor-based instrument integrates the functions of flow-range adjustment, meter validation and diagnostics encased in a probe-mounted NEMA 4X (IP65) housing.

Mass flow rate and totalised flow, as well as other configuration variables, are displayed on the meter's 2 x 12 backlit LCD panel.

Air-Trak also provides an optical/galvanic, isolated 4-20mA output or 0-5VDC output and two alarm outputs.

The programmable transmitter is easily configured via RS 232 communications and Sierra's Smart Interface TM WindowsTM based software or manually with three push buttons inside the instrument.

Air-Trak is available in body sizes from 1in to 24 in (316 stainless steel tubing).

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