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ISO 9110-2:2020

Hydraulic fluid power — Measurement techniques — Part 2: Measurement of average steady-state pressure in a closed conduit

May 12, 2020

General information

90.60     Sep 3, 2025

ISO

ISO/TC 131/SC 8

International Standard

23.100.01  

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Scope

This document establishes procedures for measuring the average steady-state pressure in a hydraulic fluid power conduit.
It is applicable to the measurement of average steady-state pressure in closed conduits with inside diameters greater than 3 mm, transmitting hydraulic fluid power with average fluid velocities less than 25 m/s and average steady-state static pressures less than 70 MPa.
It is not applicable to sensors which are flush mounted with, or an integral part of, the closed fluid conduit wall.
It provides the formulae for estimating the total uncertainty in a given pressure measurement.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9110-2:1990

NOW

PUBLISHED
ISO 9110-2:2020
90.60 Close of review
Sep 3, 2025