Flowmeter keeps close check of engine inlets
A
Labcell product story
Edited by the Engineeringtalk editorial team
Mar 31, 2003
Labcell has a new air intake flowmeter for internal combustion engines that the company believes is the lightest, most compact and the most accurate instrument of its type.
Labcell has a new air intake flowmeter for internal combustion engines that the company believes is the lightest, most compact and the most accurate instrument of its type.
Suitable for use in engine test laboratories, the flowmeter consists of a Meriam laminar flow element and a highly accurate differential pressure transmitter that provides an electrical output directly proportional to the flow rate.
Users can choose from a range of different laminar flow elements to suit flow rates from 1000 to 64,000 litre/min, so normally aspirated engine can be monitored.
An onboard filter is included on the standard model and there are also inline versions available for cylinder head and valve port testing.
All versions are extremely easy to configure and operate, and the small size and low weight make them easy to install.
The differential pressure transmitter (a Meriam 1500 DP device) can be mounted directly on the laminar flow element or remotely.
With a 24V DC input the transmitter can provide an analogue output in the form of a 1-5V DC, 0-5V DC or 4-20mA signal.
There is also a digital output via an RS232 port that allows the instrument to be connected directly to a data acquisition system or PC and appropriate Windows software is supplied with the instrument.
Whatever the output signal used, the accuracy is +/-0.86% of reading and users can have confidence in the results thanks to each instrument being supplied with a NIST/NAMAS calibration certificate.
Typical applications include engine air intake measurement, flow/calibration benches, emissions analysis, leak detection and mass flow measurement.
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