Sierra exhibits engine-air intake mass flow meter
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Sierra Instruments product story
Edited by the Processingtalk editorial team
Nov 20, 2008
The Emissions Systems division of Sierra Instruments demonstrated its Air-Trak model 628S engine-air intake mass flow meter at the Automotive Testing Expo in October.
The Air-Trak model 628S, originally designed to work specifically with Sierra's model BG-3 partial flow sampling system as an accurate and repeatable engine-air intake mass flow meter, is now offered across the board in all engine testing applications.
Air-Trak uses Fast-Flo sensor technology for a 200 millisecond response-time making it suitable for the toughest transient test cycles.
Integral Dual-Plate laminar flow conditioning elements and a wide 15:1 turndown make Air-Trak suitable for the constrained piping environments commonly found in 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 backlit LCD panel.
Air-Trak also provides an optical/galvanic, isolated 4-20 mA output or 0-5V DC output and two alarm outputs.
The programmable transmitter is configured via RS232 communications and Sierra's Smart Interface Windows-based software, or manually with three push buttons inside the instrument.
Air-Trak is available in body sizes from 1in to 24in (316 stainless steel tubing).
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