2
Micro Motion 7827 Digital Viscosity Meter
Micro Motion
®
7827 Digital Viscosity Meter
The Micro Motion
®
7827 digital viscosity meter is an accurate measurement instrument used for continuous
real-time process control of liquid viscosity and density in pipeline, slipstream/bypass and tank installations.
About the 7827 Digital Viscosity Meter
The 7827 digital viscosity meter is used for
measurement or control of on-line process viscosity.
The meter is used in applications requiring
continuous on-line viscosity measurement in
pipelines and tanks. The 7827 meter is available as
a long-stemmed version for top mounting in open or
closed tanks.
The 7827 digital viscosity meter works with the
Micro Motion Model 7950 or Model 7951 signal
converter to directly measure on-line viscosity,
density, and temperature — allowing a true
measurement of dynamic and kinematic viscosity.
Additionally, parameters such as referred viscosity,
referred density, and viscosity index can also be
determined using the signal converters’ built-in
calculations. These calculations are based on API
and ASTM D341 standards.
With its multiple digital and analog communication
connections, PID control, and alarm contacts, the
combination of the 7827 meter with the 7950/7951
signal converter allows you to manage complex
process and control applications where on-line
measurements need to be referenced to laboratory
conditions.
Advantages
•
Fully integrated “fit and forget” digital viscosity
and density measurement for monitoring and
control
•
Continuous, fast response digital measurement
for closed loop control
•
Measurements of viscosity and density at line
and reference conditions
•
Operates at viscosities up to 20,000 cP
•
No moving parts means virtually no
maintenance
•
Integral Class B PT100 temperature sensor
•
Hazardous-area approved (ATEX and CSA)
•
Long-stemmed version is suitable for use on
open and closed tanks and available in stem
lengths up to 13 ft (4 m)
•
Insensitive to vibration
•
Direct insertion meter suitable for high-line
pressure
Contents
Typical applications . . . . . . . . . . . . . . . . . . . . . . . . 3
Typical industries . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Principle of operation . . . . . . . . . . . . . . . . . . . . . . . 3
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Temperature specification . . . . . . . . . . . . . . . . . . . 5
Pressure ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Hazardous area classifications . . . . . . . . . . . . . . . 6
General classifications . . . . . . . . . . . . . . . . . . . . . 6
Materials of construction . . . . . . . . . . . . . . . . . . . . 7
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 12