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Calibration / Verification of Indicator Gauges

Calibration / Verification of Indicator Gauges

Calibration / Verification of Indicator Gauges

Is there an ASTM standard for verifying the readings from an indicator gauge?


Jeffrey T. Donville, PE
TTL Associates, Inc.

RE: Calibration / Verification of Indicator Gauges

If there is one, I believe it would be ANSI with traceability to an NIST Standard.

Alan M. Etzkorn  
Project Develpment Engineer
Wabash National Corp.

RE: Calibration / Verification of Indicator Gauges

Indicator of what?
This is an issue of calibration and traceability.

For some devices there are standards for calibration methods.  For most you are allowed to write your own, as long as you can prove that it works.

= = = = = = = = = = = = = = = = = = = =
Corrosion, every where, all the time.
Manage it or it will manage you.

RE: Calibration / Verification of Indicator Gauges


The indicator gauges I am talking about are dial or digital deflection indicators with required accuracy of both 0.0001 and 0.001 inch.

I should also throw in dial calipers. We need to be accurate to 0.001 inch for other ASTM methods.


Jeffrey T. Donville, PE
TTL Associates, Inc.

RE: Calibration / Verification of Indicator Gauges

I believe US standard accuracy grades and tolerances for pressure gauges are set forth by ASME B40.100-1998:

Pressure Gauges and Gauge Attachments
American Society of Mechanical Engineers
ISBN: 0791825701

David Baird
Sr Controls Designer
EET degree.
Journeyman Electrician.

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