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2 Micro Motion 7827 Digital Viscosity Meter
Introduction
1.2 About the meter
1.2.1 What is it?
The 7827 meter is a digital viscosity meter, based on the proven tuning fork technology of Micro
Motion. It is an all-welded sensor designed to be mounted directly into a pipeline or in a tank.
Viscosity and density are determined from the resonance of the tuning fork immersed in the fluid, and
a temperature sensor (PRT) is also fitted within the meter.
The 7827 meter is available in a variety of materials, and the immersed tines can be laminated with
PFA to inhibit the build up of residues such as asphaltenes.
1.2.2 7827 meter measurements
The 7827 meter directly measures the following fluid properties:
• Line dynamic viscosity – measured in centiPoise - cP.
• Line Density – measured in kg/m
3
.
• Temperature – measured in °C or °F.
From these properties, the 7827 meter calculates:
• Line and base (referred) kinematic viscosity – measured in centiStokes - cSt.
• Line and base (referred) density – API or Matrix.
• Referral is made to 15°C, 1.013 bar; or at 60°F, 14.5 psi.
Electronics housing
Spigot
Tines
Stem (available in varying
lengths)
Stem is sealed at both ends
and air filled