Gauge isolator improves accuracy
An
UK Instruments and Controls product story
Edited by the Engineeringtalk editorial team
Feb 10, 2004
The AccuSeal gauge isolator has a unique design that uses a sensor diaphragm to isolate the media and prevent it from clogging the gauge.
Adding a diaphragm seal to a digital gauge generally results in a loss of 0.5% accuracy or more due to liquid fill error that occurs between the gauge and the seal.
Dresser Instruments' patent pending Ashcroft AccuSeal gauge isolator claims to eliminate this additional 0.5% error.
The AccuSeal gauge isolator has a unique design that uses a sensor diaphragm to isolate the media and prevent it from clogging the gauge.
This sensor is almost flush with the bottom of the gauge socket.
The sensor diaphragm is 17-4 stainless steel with a 316 stainless steel process connection.
It's one self-contained unit, so it takes up less space than a conventional gauge and seal assembly and can be used with any seal configuration where the process is compatible with 17-4 stainless steel.
AccuSeal is available from UK Instruments and Controls, on Ashcroft 4.5in digital industrial gauges (models 2074, 2174 and 2274) with 0.5 NPT process connections.
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