Accelerometers survive tough drilling applications
An
Inertial Aerosystems UK product story
Edited by the Engineeringtalk editorial team
Mar 26, 2008
The QAT160 and T185 accelerometers use the Q-Flex etched quartz proof flexure seismic system, modified for harsh environments.
Inertial Aerosystems has released rugged, high-temperature accelerometers designed primarily for downhole measurement while drilling (MWD) in the oil and gas industries.
The QAT160 and T185 units, produced by Honeywell, both use the Q-Flex etched quartz proof flexure seismic system, modified for harsh environments.
The integrated high-temperature electronics hybrid develops an output current proportional to acceleration providing both static and dynamic acceleration measurements up to +/-20G.
With an appropriately scaled output resistor, the output current can be converted into voltage.
The QAT160 has an operating temperature of -40 to 160C (175C intermittent), while the QAT185 has an operating temperature of 140 to 185C (200C intermittent).
Both have a shock resistance of over 1000G and a vibration tolerance of 30G peak sine 50/800Hz.
Weighing only 55g with a diameter of 25.4mm and a length of 18.5mm, they are suitable where space and weight are at a premium.
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Contact Inertial Aerosystems UK
Tel +44 1252 782442
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Inertial Aerosystems has introduced Honeywell's HMR 3400, a three-axis tilt-compensated electronic compass with low power consumption.
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